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Featuring industry-leading room correction, expert management of the latest audio formats and robust integration; Anthem is the ultimate nerve center of any premium home theater or media room. With the latest version of ARC Genesis Room Correction, a rede

Anthem® AVM 70 15.2 Channel Pre-Amplifier

Object-oriented audio codecs have been updated with support for up to 15.2 channels; as well as built-in streaming support for Apple AirPlay2, Google Chromecast, Bluetooth, Spotify Connect and Roon (coming soon).

Video support includes 7 HDMI 2.0 inputs with 2 outputs, plus eARC for seamless integration with smart TVs. Perfect passthrough of Ultra HD signals at up to 18.2 Gbps with Dolby Vision, HDR or Hybrid Log Gamma ensures optimal presentation of your visual media.

Feel the story’s full emotional impact, bringing your entertainment to life with an ultravivid picture, brighter highlights, and darker shadows.

Sound has never sounded this good. Feel a deeper connection to the stories and music you love with sound that moves all around you with breathtaking realism.

DTS:X is the next generation audio codec from DTS that leverages object-based audio to enable new audio experiences in immersion and interactivity.

Greater spatial resolution and realism in premium home cinema technology is now possible with DTS:X® Pro technology, which supports up to 32 connected speakers, even from overhead. Experience how truly immersive audio transforms your favorite movies, music and games.

IMAX ENHANCED is the only way to experience IMAX’s signature picture, sound and scale in the home, IMAX Enhanced combines digitally remastered 4K HDR content and DTS audio technologies with best-in-class consumer electronics products and streaming platforms.

All AVM/MRX components support Apple AirPlay and AirPlay 2 which let the user stream content, plus songs stored on local networks, to any AirPlay-enabled device. AirPlay 2 adds support for multidevice play so you can hear your music throughout the home.

Google Chromecast, lets the user stream content from any Android device like a phone, tablet, or laptop to any AVM/MRX components. If you can listen to it on your phone, it can be Cast to your Anthem receiver or processor.

All AVM/MRX components support Bluetooth to stream songs stored on devices like phones, tablets, and laptops.

Anthem Web User Interface is now built in to all MRX Receivers and AVM Processors. Using a phone, tablet or laptop, owners can easily access any function or setting and make changes on the fly. Power the main or second zone on and off, adjust volume, change audio modes or tweak channel trims for a perfect surround sound experience. Web UI can also be used to calibrate speaker delays and levels and configure network settings/control options. Source devices can be renamed, simplifying set up by enabling the elimination of unused inputs. Installers can import and export files to make remote management simple and convenient.

The Anthem AVM 70 features external control and IP control capabilities for easy customization and compatibility with third-party integration solutions.

At Anthem, we have one simple goal – to design, engineer and manufacture audio/video products that deliver premium performance and convenience at a reasonable price. We do this by spending thousands of hours selecting and testing components, carefully designing our own circuit topologies, and backing them with robust power supplies that ensure maximum long-term quality and reliability. We achieve this with our team at the Paradigm/Anthem Research Center and their decades of combined experience.

Today’s premium home theaters need support for as many as 15 speakers and 4 subwoofers to handle the latest Dolby Atmos and DTS:X object-oriented audio codecs. Pair an AVM 70 or AVM 90 A/V Processor with a stack of MCA amplifiers and you’ll hear sound that rivals the best commercial cinemas.

MCA’s scalability means you can purchase only the channels you need to power your vision of home entertainment. AVM Processors can now manage configurations up to 15.4 channels (up from 11.2) with ARC Genesis Room Correction ensuring the best possible sound at every seat. And you won’t need to hide your gear from view.

Anthem’s modernized design extends to every component in the MCA and AVM lines. All MCA power amps are Crafted in Canada.

ARC Genesis is the newest software that works with many ARC enabled Anthem or Paradigm product. New features include support for both Mac and Windows; new target curve adjustment options including deep bass and high frequencies; improved algorithms and much more.

ARC Genesis is backwards compatible with many Anthem and Paradigm products that are ARC or PBK enabled. For a complete list, please visit AnthemARC.com. This third generation of Anthem Room Correction software represents a significant leap forward in room correction with the most comprehensive set of features yet. ARC Genesis transforms the audio performance of compatible speakers or electronics while retaining the unique character of any room. Proprietary Digital Signal Processing (DSP) software works in tandem with a calibrated microphone (provided with many ARC and PBK enabled products) to provide astonishing improvements to the sound you hear.

Backed by over 35 years of home-grown, hands-on design, and innovative audio engineering experience, Anthem products provide an unprecedented level of reliability and functionality; delivering one of the industry’s highest performance/price ratios. This is just one reason why Anthem electronics are the choice of knowledgeable audiophiles, professional musicians and engineers the world over.

Featuring industry-leading room correction, expert management of the latest audio formats and robust integration; Anthem is the ultimate nerve center of any premium home theater or media room. With the latest version of ARC Genesis Room Correction, a redesigned and more accurate calibration microphone, Anthem Web User Interface, an all-new electronics platform and a new modernized design; the new AVM A/V Processors bring all of today’s technologies into a single component.

The AVM 70 a great way to bring premium audio to any home theater or media room. Seamlessly integrate your smart TV or projector with 7 dedicated 8K HDMI inputs that support 8K/60Hz or 4K/120Hz pass-through and 3 dedicated outputs with eARC. With AVM, you

Anthem® AVM Series 15.2 Channels A/V Processor

Since the AVM 50 and Statement D2 A/V Processors, music lovers and home theater enthusiasts have coveted Anthem’s premium surround separates. Featuring industry-leading room correction, expert management of the latest audio formats and robust integration; Anthem is the ultimate nerve center of any premium home theater or media room.

With the latest version of ARC Genesis Room Correction, a redesigned and more accurate calibration microphone, Anthem Web User Interface, an all-new electronics platform and a new modernized design; the new AVM A/V Processors bring all of today’s technologies into a single component.

The AVM 70 a great way to bring premium audio to any home theater or media room. Seamlessly integrate your smart TV or projector with 7 dedicated 8K HDMI inputs that support 8K/60Hz or 4K/120Hz pass-through and 3 dedicated outputs with eARC. With AVM, you can enjoy 8K quality video from all of your 8K source devices in amazing clarity.

New features, capabilities and robust integration position Anthem AVM 8K Series as the ultimate power center of premium home theater and audio.

15.2 A/V Pre-Amplifier/Processor with Dolby Atmos, DTS:X and IMAX Enhanced. Includes ARC (Anthem Room Correction). HDMI 2.1, HDCP 2.3 supporting 8K/60Hz or 4K/120Hz.

At Anthem, our goal is to shape how you interact with your technology, so we went the extra mile to ensure no detail is overlooked while providing the utmost flexibility when it comes to device setup. Using a phone, tablet or laptop, owners can easily access any function or setting and make changes on the fly. Power the primary or secondary zone on and off, adjust volume, change audio modes, tweak channel trims and more, for a perfect surround sound experience. You're in control, and it's never been easier.

Advanced 8K HDMI Platform with e-ARC Support

Feel the power of every frame with the AVM Series and its advanced 8K HDMI 2.1 Platform with HDCP 2.3. Showcasing 7 dedicated 8K inputs which support 8K/60Hz or 4K/120Hz pass-through and 3 dedicated outputs with Enhanced Audio Return Channel, you can enjoy 8K quality video from all of your 8K source devices in amazing clarity. Also featuring the latest HDMI technology and specification, the AVM 8K Series allows you to take your home entertainment to the next level with HDR10+, Dynamic HDR10+, ALLM and VRR support. The possibilities are limitless; unlock the true potential of your media with the industry’s most flexible and feature-rich HDMI platform.

Experience Gaming Like Never Before on an AVM 70 8K

It’s never been a more exciting time to be a gamer. With the latest consoles offering up to 4K/120Hz graphics, realistic HDR and Dolby Vision dynamic range, and immersive Dolby Atmos sound, you have to make sure your Home Theater gear won’t hold you back. Enter the AVM 8K Series, our most feature-rich AV processors to date!

Our latest Anthem AVM Series 8K features external control and IP control capabilities for easy customization and compatibility with third-party integration solutions. It offers IP control capability for major third-party control devices including:

Gain unprecedented command over your network-enabled Anthem A/V Receiver, Processor or Pre-amplifier.

The Anthem Remote App uses a Wifi connection to simplify the configuration of supported Anthem devices. App-based controls include volume level, muting, input selection, power, listening modes, bass, treble, level trims, menu navigation, and Anthem Room Correction (ARC) control.

Many consumer electronics just don't put enough volume out to drive a high-fidelity amplifier to its peak performance. That's where the PA15 comes in. Add the module into your chain, and adjust the output as needed.

Origin Acoustics® Foundation 2 Channel Preamplifier

Gain staging, or gain structuring is the act of setting the gain for each amplification stage (gain stage) in a sound system to achieve a target system volume that minimizes noise and distortion. Said another way, proper gain staging gives your sound system the best signal-to-noise ratio. By attempting to reach the loudest peaks possible (without clipping) at each stage, you can obtain an ideal gain structure, but to do this, you need to consider each part of your system and understand the principles involved.

Gain staging is the art of setting the volume for each stage of amplification to minimize noise and distortion. While this is a fundamental concept for live sound and recording, it does apply to custom integration as well. Ideal gain staging ensures your sound system achieves the best signal to noise ratio. The goal is to maximize the volume at each point in the chain without clipping. EG: If you have an iPad, a PA15, and an A2150 amplifier, you have three ways to control the gain. One primary way to start this process is to max the volume on your input device, set the amplifier trim at roughly 50%, and then adjust the PA15, up to approximately 80%, until you have achieved the max-loudness your client requires.

If you're still unable to produce enough dB, then adjust the trim on the amp. Just be aware that when you raise the volume on the amplifier or the PA-15, you are increasing the noise floor, which is the amount of signal noise created by all the equipment. So, we recommend only using your pre-amplifiers and amplifiers up to around 80% of their max volume. And while we are proud of the low signal to noise ration of our amplifiers, this best practice will also help prevent clipping when your client maxes the system input out.

Specially designed for custom integration of whole home audio systems, the "QS" (Quad Streamer) provides four zones of audio streaming and eight channels of high-performance audio amplification in an ultra-slim, 1U-high, rack-mountable enclosure.

Yamaha® MusicCast Multi-Room Streaming Amplifier

Expandable and extremely flexible, the QS works with the MusicCast multi-room audio system, allowing it to be linked with home theater AV receivers, sound bars and Hi-Fi gear in a wide variety of configurations.

XDA-QS5400RK MusicCast Multi-Room Streaming Amplifier (4 Zone, 8 Channel)

Designed for custom integration of a MusicCast multi-room audio system connected via Ethernet LAN in a rack or cabinet

Streams four zones of audio per unit, expandable to 32 zones with simultaneous playback in linked groups of up to 20 zones each

Eight channels of audiophile-grade Class D amplification assignable to any zone, bridgeable and 4-ohm capable, featuring a unique ground loop/hum-free circuit design

Built-in Pandora®, Spotify Connect, SiriusXM Internet Radio, SiriusXM Music for Business, TIDAL, Deezer, Napster and more, plus access to music libraries and linked external sources

Easy control via a free MusicCast app and 3rd-party control systems

1U high, rack-wide enclosure; removable rack ears and faceplate included

Designed from the ground up for custom installation, the “QS” represents the ultimate integrated solution for filling every room in a home with extraordinary sound.

The QS packs four rooms of audio streaming and eight channels of audiophile-grade amplification into a remarkably slim, 1U-high enclosure, allowing you to fully-optimize your valuable rack real estate.

Multiple QS units can be used together to expand up to 32 zones with simultaneous playback of linked groups up to 20 zones each. In addition, the QS offers four zone pre outs that enable it to be combined with the Yamaha XDA-AMP5400RK, a companion multi-room amplifier, to provide more power or more speaker coverage for large areas in a home. The pre outs may also be used to connect powered subwoofers or subwoofer amps.

As a member of the MusicCast family, the QS integrates seamlessly with Yamaha AV receivers, sound bars and more. Now everything – from a surround sound home theater to a bedroom TV system to in-ceiling speakers in the kitchen – can all work beautifully together.

Access all of your favorite music, including built-in streaming services and music libraries on smartphones, tablets and networked-attached storage devices.  (Streaming service availability varies by region.)

Want to hear TV sound or vinyl records throughout the home? Link to a MusicCast receiver, sound bar or turntable to access audio from virtually any source.

The QS supports IP control by 3rd-party control systems used in many of today’s most advanced smart homes.

It's also easy to set up and control with the free MusicCast app, which offers unique personalization features including the ability to assign custom images to rooms, and to rename, rearrange and hide sources.

No ordinary amp, the QS employs ultra-efficient ICEpower integrated circuits to deliver eight channels of pristine, musically-dynamic digital amplification at 50 watts/channel (8 ohms) with an outstanding 10 Hz to 22 kHz (+0/-3 dB) frequency response and 106 dB signal-to-noise ratio. It is 4 ohm capable at 100 watts/channel and bridgeable to 200 watts/channel (8 ohms).

The curse of the custom integrator: ground loop hum, a common and vexing side effect of connecting a bunch of electronics together in a rack. The QS takes care of it with a brilliantly-engineered differential circuit design. Sometimes it’s what you don’t hear that sounds the most amazing.

Experience every detail of your favorite recordings. The QS supports high-res audio playback up to 192 kHz/24-bit, and employs the same premium ESS Sabre DACs (Digital-to-Analog Converters) and PML capacitors used in our flagship AVENTAGE AV receivers.

The audio performance of the QS is further enhanced with a suite of exclusive Yamaha technologies, including our Compressed Music Enhancer, Advanced Bass Extension Processing and volume adaptive EQ. The result – it always sounds great.

Mount it in a rack with the included ears or remove the ears for shelf installations. The included magnetic faceplate discourages tampering and provides the perfect cosmetic finish.

The QS is truly made for custom integration, with Euroblock-style speaker connectors, dual RJ-45 Ethernet ports and a detachable AC cable for smart connectivity, and IP, IR and 12 V Trigger Out jacks for versatile control.

In addition to supporting external sources through linking with MusicCast receivers and sound bars, the QS offers an Aux input that can be selected for playback in any zone and a Cut-In input that automatically senses an input signal and temporarily overrides the selected source. This gives you flexibility to integrate media players, CD changers or even paging systems. Thru-Outs let you set up a bus to additional QS units.

The Chime contact closure inputs let you generate a doorbell chime or, for example, an alert for a gate from a common switch. Output zones and chime sound selection can be configured using the Web Setup.

Access Basic or Advanced settings via a Web Setup menu and store commonly-used profiles for faster configuration of future projects.

File Format

Ethernet

AirPlay

Channel

Minimum Speaker load Capability

BTL Connection

Speaker Output Terminal

Preout Terminal

Audio Input Terminal

Audio Output Terminal

Trigger In / Out

Remote In / Out

Chime

Rated Output Power (1 kHz, 0.9% THD, 2ch driven)

Rated Output Power (1 kHz, 0.9% THD, 1ch driven)

Dynamic Power (20 Hz-20 kHz, 0.08% THD, 2ch driven, 20 ms burst)

Dynamic Power (1 kHz, 0.9% THD, 2ch driven, 20 ms burst)

Dynamic Power (1 kHz, 0.9% THD, All ch driven, 20 ms burst)

Maximum Effective Output Power

Total Harmonic Distortion

Frequency Response

Signal to Noise Ratio

Rated Output Level / Output Impedance

Maximum Output Level

Maximum Input Signal

Gain

Input Sensitivity

Web Setup

Direct Mode

Monaural Downmix

Compressed Music Enhancer

Volume Adaptive EQ

Volume Control

EQ Characteristics

Bass Extension

Power Consumption

Standby Power Consumption

Power Management (Auto Power Standby)

Dimension (W × H × D) mm

Weight

Anthem® AVM 70 Black 15.2 Channel Pre-Amplifier

Anthem® AVM Series 15.2 Channel Preamplifier

Today’s premium home theaters need support for as many as 15 speakers and 4 subwoofers to handle the latest Dolby Atmos and DTS:X object-oriented audio codecs. Pair an AVM 70 or AVM 90 A/V Processor with a stack of MCA amplifiers and you’ll hear sound that rivals the best commercial cinemas. MCA’s scalability means you can purchase only the channels you need to power your vision of home entertainment. AVM Processors can now manage configurations up to 15.4 channels (up from 11.2) with ARC Genesis Room Correction ensuring the best possible sound at every seat. And you won’t need to hide your gear from view. Anthem’s modernized design extends to every component in the MCA and AVM lines. All MCA power amps are Crafted in Canada.

The newest software that works with many ARC enabled Anthem or Paradigm product. New features include support for both Mac and Windows; new target curve adjustment options including deep bass and high frequencies; improved algorithms and much more. Backwards compatible with many Anthem and Paradigm products that are ARC or PBK enabled. For a complete list, please visit AnthemARC.com. This third generation of Anthem Room Correction software represents a significant leap forward in room correction with the most comprehensive set of features yet. ARC Genesis transforms the audio performance of compatible speakers or electronics while retaining the unique character of any room. Proprietary Digital Signal Processing (DSP) software works in tandem with a calibrated microphone (provided with many ARC and PBK enabled products) to provide astonishing improvements to the sound you hear.

120 V version:

220-240 V version:

Maximum Output (<0.1% THD)

Frequency Response, Analog-Direct

THD+N (4 Vrms output)

S/N Ratio (4 Vrms output, IEC-A filter)

XLR Configuration

Typical Load

Standby

Standby IP Control Enabled

Standby HDMI Bypass Enabled

By design, P2 and P5 amplifiers are powerful independent “mono block” amplifiers. Each channel is self-contained on its own glass-epoxy circuit board and heatsink and benefits from an independent power supply. Since there is no common audio path between c

Anthem® Statement P Series 2 Channel Power Amplifier

In life we admire “heart.” When we say someone has heart we mean passion, spirit, fortitude. And we applaud it. While the amplifier is the brawn behind every successful music and movie presentation, it is also the heart! Its role is as crucial as that of the speakers in its ability to render delicate musical detail one moment and deliver room-shaking explosions the next. The most exquisite piece of music falls flat without clean, quiet power to sustain it through to its natural, musical ebb. Movie special effects require an inordinate supply of stable, high current power to give visceral credibility to the “special” aspect of each effect! In fact, all truly successful sound reproduction requires “heart.” The heart of an amplifier rests with its design and it is here that P2 and P5 amplifiers reveal their high-end lineage: multi-layered, hand-designed circuit boards with thick copper traces; rugged, independent power supplies with tuned toroidal power transformers for each amplifier channel; fourteen rugged bipolar output devices per channel; custom-designed convection-cooled heatsinks with serrated fins; a “no-fuse” design strategy. And the list goes on.

By design, P2 and P5 amplifiers are powerful independent “monoblock” amplifiers. Each channel is self-contained on its own glass-epoxy circuit board and heatsink and benefits from an independent power supply. Since there is no common audio path between channels there is a complete absence of crosstalk.

Frequency-response channel matching is superb. The musical picture is seamless and exquisitely detailed with a multichannel soundstage that is astonishingly transparent, cohesive and three dimensional.

Cascoded Complementary Feedback Input Stage

P2 and P5 amplifiers benefit from our proprietary input topology—a unique departure from the classical differential input stage. Eight low-noise bipolar input devices, hand-matched for superior balance, are configured in a complementary active-load cascoded feedback arrangement. Heat shrink tubing applied around each critical input pair ensures superior thermal tracking.

Designed to reduce distortion, this arrangement not only ensures exceptionally linear response, but also superior bandwidth and superb amplifier reliability.

P Series amplifiers are the cleanest, quietest amplifiers in the industry. Each amplifier channel features two separate and autonomous power supplies fed from separate transformer windings. The amplifiers are thus able to deliver stable, continuous power at maximum output, regardless of the number of channels being driven.

While some amplifiers tend to oscillate when driving lower impedance loads, the P2 and P5 remain perfectly stable under all conditions. If pushed into clipping, the proprietary anti-saturation tracking power supply circuit takes over to ensure a seamless recovery.

Since the use of a regulated power supply in the driver stage removes noise emitted by the bridge rectifier (often heard as an audible hum at 120 Hz and its harmonics), the P2 and P5 achieve an utterly silent noise floor.

Conservatively rated, in a low-profile design, these low-impedance toroidal power supplies—one per amplifier channel—make no sacrifices when it comes to delivering a continuous supply of pure, clean low noise power.

They are shaped to minimize hum while a sequence-controlled soft turn on significantly reduces power line transients and in-rush current during start up, thereby preventing accidental tripping of the circuit breakers.

By design, P2 and P5 amplifiers are powerful independent “mono block” amplifiers. Each channel is self-contained on its own glass-epoxy circuit board and heatsink and benefits from an independent power supply. Since there is no common audio path between channels there is a complete absence of crosstalk.

Connector Type:

Signal to Noise Ratio:

The highest sound quality at all volume levels, flat frequency response into any load, and stable into the most difficult loads. The Statement M1 is a state-of-the-art monaural amplifier delivering 1,000 watts into 8 ohms and 2,000 watts into 4 ohms or le

Anthem® Statement M Series 1 Channel Preamplifier

Full resolution of all of the sonic subtleties and complexities in the input signal.

Accurate reproduction of the full dynamic range of the signal.

Flat frequency response into any load, without having to resort to digital conversion or equalization to compensate.

Stable into all loads including open circuit and short circuit.

Exceptional efficiency with low heat output.

An amp so mechanically silent it will suit even the quietest listening room.

A design that allows multiple units to be stacked with no danger of overheating.

All of the above delivered at a price point that while not inexpensive, delivers virtually limitless dynamic fidelity.

Lower voltage MOSFETs can be used for lower resistance and higher speed. Although more expensive since more MOSFETs are needed, sound quality is vastly improved.

Because the load is balanced, output current goes from one rail to the other without disturbing the ground plane. A balanced load also provides more efficient use of the power supply. Rail voltage is stable, unlike in single-ended Class D amps which suffer from rail pumping at low frequency and high power.

Power supply capacitors become more efficient because bridging doubles the ripple frequency while impedance and ripple voltage are halved, allowing the power supply capacitors to be more efficient.

For a high-power amp such as the M1, bridging can be safer. The differential output voltage can reach over 90 Vrms but at this level each output terminal is only 45 Vrms with respect to the chassis.

Hand-designed 4-layer FR4-rated glass-epoxy circuit board with 2-ounce copper traces promotes exceptional conductivity.

Extensive use of power and ground planes ensures vanishingly low levels of noise and inductance to produce an amp that gets out of the way, leaving only the sound of the music.

Each of the eight 65-amp MOSFETs can handle a peak current of 260 amperes, has low gate charge for fast response, low channel resistance for high efficiency and high speed for high efficiency and low distortion.

No relays are used in the signal path preventing any possibility of relay failure.

The highest sound quality at all volume levels, flat frequency response into any load, and stable into the most difficult loads. The Statement M1 is a state-of-the-art monaural amplifier delivering 1,000 watts into 8 ohms and 2,000 watts into 4 ohms or less with THD remaining under 0.1% from 20 Hz to 20 kHz. Designed and engineered in our advanced research center in Ottawa, Canada, the M1 is manufactured in our Toronto facility.

More than just a slim, technologically advanced monaural design, the M1 demonstrates that Class D architecture isn't fundamentally flawed, it simply hasn't been implemented well in the past, mainly because it required such a heavy commitment to R&D. We’re fortunate to have the in-house resources to create such a groundbreaking product and one listen will reveal the truly extraordinary nature of this amplifier.

The M1 enjoys all of the attributes of our award-winning Statement Class AB amplifiers but through exclusive Anthem technologies, goes far beyond the current capabilities of Class A, Class AB and prior Class D amplifiers in the market.

The proprietary design employs all of the advantages of a Class D amplifier — high output, high efficiency, compact size — while avoiding the typical Class D limitations such as difficulty driving low-impedance (high-end) speakers, power line contamination, reliability issues and substandard audio quality. The absence of accurate dynamics is so common that it frequently goes unnoticed, but through the M1, music and movies are delivered with breathtaking realism.

The “D” in Class D does not stand for digital. It was simply the fourth type of amp recognized and classified by the IEEE. The first was Class A, the second Class B, the third Class C, etc.

Contrary to the bias that exists among high-end enthusiasts and across the industry in general, the Class D design is not inherently flawed. The truth is that no existing designs have been able to reach the Class D's inherent potential for performance. It is not the technology that yields fine audio performance but rather the implementation of the technology. At Anthem, we agree that most Class D amplifiers are poor performers. However the M1 uses Class D amplification of a different ilk (see later section on Class D for a full discussion).

There are no A/D or D/A converters in the signal path. The amplifier’s control system continuously varies the width of the output pulse train in direct relation to the analog input signal. In essence, a side-to-side variation in width is analogous to a signal’s more familiar up-and-down amplitude variation, not at all the same as a digital string of 1s and 0s where all pulses have the same width.

Much has been written about Class D amps having twice the efficiency of conventional amplifiers at full output, but there's more to this. Under normal conditions an amplifier operates at only a fraction of its full output capability. At 1/8th of its maximum output (the typical working level of an amplifier), our M1 is six times more efficient than a conventional amplifier.

Never judge an amp by its size or its rack space

Amplifiers are often judged by their size and weight, the beefier the better since more power requires a physically heavier, larger amplifier. Or does it? It all depends on the design. When rack-mounted, the 20-kb M1 occupies only one rack space but despite its size can deliver 1,000W into 8 ohms and 2,000W into 4 ohms.

The M1’s cooling system quickly and efficiently moves heat from the interior of the amplifier to exterior heat sinks. Sealed copper pipes within the amp contain a small amount of special fluid held under a vacuum. When the temperature at one end of the pipe rises — the end adjacent to the amplifier's heat sources — the fluid in that end evaporates. This vapor is then naturally drawn to the cooler end of the pipe, along the heat sink on the side of the amp’s chassis where it condenses. From there a copper wick returns the fluid to the hotter end of the pipe. This heat transfer process is many thousands of times faster and more efficient than cooling through metal heat sinks alone. This system eliminates the need for fans, allowing multiple M1s to be stacked with no danger of overheating. It also means the amplifier is so mechanically quiet it will suit even the quietest listening rooms.

With an absence of noisy fans and a noise floor well below that of a high-end preamplifier, the M1 is a critical listener's dream.

The M1 has a very sophisticated load monitoring system. Two 100A Hall-Effect sensors monitor the output current. A Digital Signal Processor, outside the signal path, is used for power sequencing and to monitor various amplifier and power supply functions including line voltage, output current, ground fault detection, temperature and DC voltage at the output.

The M1’s output stage does not interact with the load. A hysteric PID controller which uses past, present and a predicted future to make adjustments keeps the amp load independent. Hundreds of computer simulations were used to test and optimize this system so that it is able to handle all possible loads. This is a significant design achievement. Whether you are running the M1 from a 120V circuit or a 240V circuit, the amplifier will be delivering the highest output possible according to the operating conditions.

Power Factor Correction (PFC) maximizes available power and at the same time reduces (by a large amount!) the noise put on the AC line. Without PFC, the input current can flow and charge the capacitors only during the short moments that voltage is at or very close to its positive or negative peak. Since power is the product of both voltage and current it is produced only when both are present. Power Factor Correction marries the voltage and current cycles enabling continuous output from the power supply through the entire AC cycle. In doing so, the load appears almost purely resistive to the AC source. (See diagrams to right)

Why doesn’t the M1’s power cord have a third prong?

Although more difficult and expensive to implement, Anthem has always used 2-prong AC cords to make installation easier. A 3-prong cord is prone to ground loops if the system includes other 3-prong equipment or cable/satellite TV. For example: If the preamplifier uses three prongs it is grounded not only through its power cord but also through any non-optical connections to other 3-prong components. This can result in humming or buzzing through the speakers as well as video noise problems. The more elaborate the system, the greater the chance of a ground loop. With 3-prong equipment, balanced XLR interconnection is needed throughout and that type of interconnection is not always possible.

With a 2-prong cord, safety is maintained through either double or reinforced insulation. The next time you see a corded power tool, look for the double-square symbol. It requires more expensive wires on the live side and greater distance between live circuits and isolated circuits and chassis. The distance requirement also applies to spacing inside transformers, making them larger and more expensive. A 2-prong cord also requires a larger line filter because according to safety standards the line-chassis leakage current limit is ten times lower compared to 3-prong. Ironically, a higher leakage current allowance aggravates hum problems in 3-prong systems.

To clear up any final misconceptions, the earth ground provided by the third prong is not meant as a shield, it is a safety measure meant to trip breakers should a chassis become live as a result of coming into contact with a live wire.

Speaker Connectors:

Power On Consumption (watts):

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Anthem® STR Series Black 2 Channel Preamplifier

Six pre-RIAA curves plus adjustable settings for playing older records accurately

Adjustable analog input levels to match sources, minimize noise and prevent distortion

Home Theater Bypass Mode works without having to turn power on and includes RCA/XLR input for two subs

STR Preamplifier includes a high-resolution preamplifier and a digital section, with support for asynchronous USB up to 32-bit/384 kHz PCM and DSD 2.8/5.6 MHz sources. This high-quality USB audio input transforms digitally stored audio from your Windows or Mac computer into warm, natural analog sound.

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Preamplifiers

Anthem® AVM 70 15.2 Channel Pre-Amplifier

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Anthem® AVM 70 Black 15.2 Channel Pre-Amplifier

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Anthem® AVM Series 15.2 Channel Preamplifier

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Anthem® AVM Series 15.2 Channels A/V Processor

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Anthem® AVM Series Black 15.4 Channel Preamplifier

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Anthem® Statement M Series 1 Channel Preamplifier

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Anthem® Statement P Series 2 Channel Power Amplifier

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Anthem® STR Series Black 2 Channel Preamplifier

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Anthem® STR Series Silver 2 Channel Preamplifier

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Origin Acoustics® Foundation 2 Channel Preamplifier

$98.90

Yamaha® MusicCast Multi-Room Streaming Amplifier

$2,999.95

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