Anthem STR Pre-Amplifier, Black (STRPREAMP)


Sale price $5,249.99

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The revolutionary Anthem STR Preamplifier is a new type of audio component that gives you more control and more refinements, including more connection options and more advanced technology, in a single, easy-to-use component.

Push the Power of Audio Control

Designed, engineered, and Crafted in Canada, the Anthem STR Preamplifier combines the benefits of an advanced preamp with the power of a processor, as well as functions like leading-edge DAC, onboard Anthem Room Correction (ARC), customizable bass manager for mono or stereo sub outs, MM and MC phono inputs—far more than the average preamplifier.

And it includes new generations of many of Anthem’s award-winning, audiophile-loving, review-praised digital signal processing innovations, delivering a noticeably higher level of audio performance realism.

The new Anthem STR Preamplifier drives all of your entertainment options today, and tomorrow.

Conversion from Digital to Analog

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.


Anthem Exclusive Innovations

The Anthem STR Preamplifier includes the newest and most powerful generation of Anthem Room Correction (ARC), with 50% more processing power than any other version of ARC. This proprietary calibration tool, with its easy-to-use interface, automatically shapes the acoustic signature of your speakers for the best possible sound quality in your unique listening space.

This is especially important for the lower frequencies.

Other innovations include a high- resolution preamplifier and digital section, which supports asynchronous USB up to 32-bit/384 kHz PCM and DSD 2.8/5.6 MHz sources, and uses signal processing that employs 64-bit accumulation and feedback to preserve the finest detail in the music and to avoid degradation. The digital to analog conversion section was designed to faithfully duplicate all the sounds in the original source.

To help achieve that effect for all input resolutions, a dedicated asynchronous 32-bit / 192 kHz sample rate conversion is used. This way, the DAC stage’s anti- imaging filter is optimized for this sampling rate alone, resulting in an audio frequency range that’s unmatched in purity, regardless of input format. In the process, the data gets reclocked, providing immunity from performance-marring source jitter.

Through the rest of the DAC circuitry, thin film high precision resistors and super low noise op-amps are used for lowest distortion, lowest noise, and most transparent sound. Other DAC units may boast about the performance of the DAC chip all by itself, but we view DAC stage design as a whole — there are no crippling bottlenecks anywhere in the DAC stage of the STR Preamplifier.

Aside from its cutting-edge technology, one look tells you that the STR Preamplifier is a different animal altogether. The display on the front panel gives you surprisingly easy control through an easy to navigate setup menu, and the luxurious and elegant new contemporary design is available in two beautiful finishes, Black or Silver.

More Subwoofer Options

The Anthem STR Preamplifier gives you more options for subwoofer configuration. Use one subwoofer or two for both channels, or two independent right-and-left channel-specific subwoofers. The bass management in conjunction with ARC is uniquely engineered for seamless subwoofer blending, achieving incredibly accurate and lifelike performance.

Moving Coil and Moving Magnet Phono

Anthem has also taken into consideration the resurgent popularity of vinyl records, and has included separate inputs for moving magnet and moving coil cartridges, with the phono section completely shielded to maintain a clean signal. The transparency and refinement of the STR Preamplifier reveals the hidden magic of classic media.

In addition, the phono curve is continuously adjustable for proper playback of any record that predates the RIAA equalization standard.


Home Theater Bypass

The concept of combining a stereo preamplifier with a home theater system is taken to a whole new level. The STR Preamplifier supports two subwoofer channels in addition to the two fronts. XLR as well as RCA connection is provided for all channels, and HT Bypass mode engages while the preamp is on standby. This way, you don’t have to turn it on when watching movies. To allow the purest signal path, relays are employed to hard-wire the input jacks to the outputs — the STR Preamplifier essentially becomes a straight wire.

Premium Components

Clarity is maintained using carefully selected components, many of them engineered exclusively in-house at Anthem. We believe that two-channel listening demands attention to detail, with flawless signal integrity being the benchmark of stereo performance. To that ultimate end, the Anthem STR Preamplifier is designed with the shortest possible signal paths, and differential analog to digital circuitry to cancel artifacts and keep noise to a minimum.

Weight 26.96 kg

Phono Preamplifier
– Input Impedance 100 0 (MC), 47 k011270 pF (MM)
– RIAA Response (20 Hz – 20 kHz) ± 0.1 dB
– Gain (1 kHz – volume set to 0 dB) 61 dB (MC), 41 dB (MM)

DSP Mode
– Maximum Input (at 1 kHz for less than 0.01% THD 20 Hz – 20 kHz) 3.6 mV (MC), 38 mV (MM)
– THD+N (at 1 kHz 20 Hz – 20 kHz BW, 2 Vrms output) less than 0.015% (MC), less than 0.003% (MM)
– THD (at 1 kHz 20 Hz – 20 kHz BW, 2 Vrms output) 0.001% (MC), 0.001% (MM)
– SNR (IEC-A, 2 Vrms output) 86 dB (MC), 103 dB (MM)

Direct Mode
– Maximum Input Direct Mode
– (at 1 kHz for less than 0.01%THD 20 Hz- 20 kHz) 11.8 mV (MC), 129 mV (MM)
– THD+N (at 1 kHz 20 Hz – 20 kHz BW, 2 Vrms output) less than 0.008% (MC), less than 0.002% (MM)
– THD (at 1 kHz 20 Hz – 20 kHz BW, 2 Vrms output) 0.001% (MC), 0.001% (MM)
– SNR (IEC-A, 2 Vrms output) 90 dB (MC), 110 dB (MM)

– Frequency Response
– digital-in, 192 kHz 10 Hz – 50 kHz (+0, -0.5 dB)
– digital-in, 96 kHz 10 Hz – 45 kHz (+0, -0.5 dB)
– digital-in, 44.1 kHz 10 Hz – 20 kHz (t 0 dB)
– analog-in, DSP mode 10 Hz – 40 kHz (+0.00, -0.20 dB)
– analog-in, direct mode 10 Hz – 80 kHz (+0.00, -0.10 dB)

– THD+N (20 Hz – 20 kHz BW, 2 Vrms output)
– DSP mode 0.0006% Digital in, 0.0017% Analog in
– Analog Direct Mode 0.0016%

– SNR (at 1 kHz, IEC-A, 2 Vrms output)
– DSP mode 113 dB (digital-in), 108 dB (analog-in)
– Analog Direct Mode 120 dB
– Maximum Output (less than 0.1% THD) RCA connectors (direct and DSP modes) 33 Vrms
– XLR connectors (direct and DSP modes) 6.6 Vrms
– XLR Configuration Pin 1: Ground, Pin 2: Normal, Pin 3: Inverted

Power Requirement
– This product operates from a single phase AC power source that supplies between 108V and 264V at a frequency of 50 or 60 Hz

Power Consumption
– Standby: 0.38W (120V), 0.45 W (240V)
– Standby+Network 1.1W (120V), 1.2W(240V)
– TypicaI Use: 10W

– Height 3-8/9′(993cm)
– Width17″(431cm)
– Depth(not including power cord) 14-5/6″(37.69cm)
– Weight(unpacked) 16.8 Ibs (7.6kg)


Black or Silver



Watts Per Channel

51 to 150w


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