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Anthem MCA 325 Three Channel Power Amplifier

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  • Product Description

    Designed to match, engineered for power
    To complement the NEW AVM 60 A/V Processor, Anthem introduces the new MCA 525, 325 and 225 power amplifiers. Available in 5, 3 and 2-channel configurations, these new MCA amplifiers feature more robust and efficient power and heavy-duty reliability. The new MCA Series delivers lower THD (total harmonic distortion) for more clean, pure sound and lower noise for a supremely quiet background.

    Like all Anthem products the MCA 525, MCA 325 and MCA 225, designed and Crafted in Canada, are like no other amplifiers in the world: custom low noise high-power toroidal transformers; high-current bipolar output transistors; high-quality filter capacitors; advanced power supply regulators; oversized aluminum heatsinks; custom-designed dual binding posts; and patented auto-on/off circuitry. Superior craftsmanship that is reflected in clean, clear, audiophile-quality sound from top to bottom of the frequency spectrum.

    An All New MCA Series
    What does it take to improve on perfection? Over 15 years of concentration. The distillation of endless hours of fundamental research. The willingness to rebuild from the ground up. And the focus on a single goal: Leadership through innovation and technology. Introducing the new generation of Anthem MCA Amplifiers, designed, engineered and manufactured in Canada!

    Completely Redesigned
    The new MCA series greatly reduces the use of internal cabling for a much smoother circuit path for pure, unobstructed audio performance. The use of low-flux toroidal transformers and improved input transistors provide a greater sense of transparency, even with dynamically complex material.

    Anthem has also improved other performance benchmarks including power bandwidth and slew rate. With a signal-to-noise ratio of 120 dB, background noise is practically nonexistent, leaving you with just pure natural sound reproduction.

    Higher Power into More Demanding Loads
    Experience the immense dynamics of up to 600 clean Watts delivered into demanding 2-Ohm loads. Both power supply impedance and internal cabling inductance have been minimized to deliver a clear path for maximum power – even in the most demanding conditions. While previous 5-channel MCA amps used a single power supply for front left and right channels and another power supply of the centre and surround, the new MCA 525 shares its two power supply between all channels. The result is full bursts of power – instantly – without affecting channel separation.

    Next generation Advanced Load Monitoring™ Technology
    Exclusive ALM™ technology monitors internal temperature, current and voltage to ensure safe and uninterrupted longterm operation, all the while eliminating the need for internal fuses. ALM™ is not in the signal path, so it never gets in the way. Instead, ALM engages instantly, but only in the most extreme circumstances, to protect your amplifier (and speakers) from damage.

    This new generation ALM™ lowers the chance of a line fuse blowing during an over-current condition. Should a fault condition arise, unaffected channels continue to play and all-channel operation resumes automatically once conditions are back to normal. The LED on the front panel confirms status at all times.


    • Delivers lower THD for cleaner, pure sound and lower noise
    • Completely redesigned for improved audio performance and reliability
    • Higher current output for lower distortion
    • Cosmetic match for AVM 60 A/V Preamplifier-Processor
    • Improved Advanced Load Monitoring system
    • 8 bipolar output devices per channel for less stress on each device
    • Less than 2 watts standby power consumption
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    225 W
    400 W
    600 W


    Inputs Single-Ended, Balanced, Relay Trigger (3.5-mm Mono Jack)
    Outputs Speaker Binding Posts, Relay Trigger (3.5-mm Mono Jack)


    Front Panel Power (On/Off)
    Rear Panel 3 On/Off Modes (Trigger, Manual, Auto)

    THD AT 100W

    at 1 kHz 0.0010%
    at 20 kHz 0.015%

    IMD AT 100 W

    ITU-R (19 kHz + 20 kHz) 0.0005%
    SMPTE (60 Hz + 7 kHz) 0.002%


    Open Circuit ± 0.1 dB
    ± 0.1 dB
    ± 0.1 dB
    ± 0.2 dB


    SNR, IEC-A, ref. 225 W 120 dB
    Power Bandwidth, -3 dB at 200 W into 8 ohms 90 kHz
    Slew Rate 30 V/μs
    Damping Factor, 20 Hz to 1 kHz 300
    Channel Separation, 100 Hz to 10 kHz >65 dB
    Input Impedance (RCA / XLR) 10 kΩ / 15 kΩ
    Input Sensitivity, 225 W into 8 Ω 1.5 Vrms
    Voltage Gain 29 dB


    Standby 1.4 W
    Idle 47 W
    Typical 350 W
    High Output 750 W


    Height 6-5/8" (16.9 cm)
    Height with Rackmount Kit 4U
    Width 17-1/4" (43.9 cm)
    Depth 18-1/8" (46 cm)
    Weight 43 lb (19.5 kg)


    120 V version In countries where the line voltage is 120 V, this product operates from a single phase AC power source that supplies between 108 V and 132 V at a frequency of 60 Hz
    220-240 V version In countries where the line voltage is 220, 230, or 240 V, this product operates from a single phase AC power source that supplies between 198 V and 264 V at a frequency of 50 Hz