Anthem MCA 225 Gen 2 - 2 Channel Power Amplifier
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Anthem MCA 225 Gen 2 - 2 Channel Power Amplifier
Overview
The Anthem MCA 225 Gen 2 is a dedicated 2-channel power amplifier built for systems where a receiver's internal amplification isn't enough. Designed and built in Canada, it hands the amplification job to a separate, purpose-built component so your processor or receiver can focus entirely on decoding and control.
A redesigned internal layout shortens the signal path and isolates the power supply from the audio circuitry, while Advanced Load Monitoring (ALM) protects the amp from excess current, voltage, or heat without relying on fuses or relays that can degrade the signal. The result is 225 watts per channel into 8 ohms, scaling up to 600 watts into 2-ohm loads for speakers that demand real current.
Custom-designed heat sinks let the MCA 225 Gen 2 run fan-free, and three trigger options (manual, 12V, and signal-sensing auto-on) mean it integrates cleanly into almost any control system.
Simcoe Audio Video Insight
We recommend the MCA 225 Gen 2 to clients whose system has plenty of processing power but not enough current to control demanding tower speakers. It pairs naturally with Anthem's AVM processors, taking the amplification load off a receiver's internal amps entirely, and the result is consistently a wider soundstage and tighter bass control.
More Info
Why the Anthem MCA 225 Gen 2 Stands Out
High-Current Output
225 watts per channel into 8 ohms, scaling to 600 watts into 2-ohm loads, gives demanding speakers the current they need to perform.
Advanced Load Monitoring (ALM)
Constantly monitors current, voltage, and temperature to protect the amplifier without fuses or signal-degrading relays.
Reduced Internal Cabling
A shorter internal signal path lowers distortion and keeps the audio path clean.
Toroidal Power Supply
A high-current toroidal transformer delivers stable, low-noise power even during demanding transient peaks.
Balanced XLR Inputs
True balanced connections reject common-mode noise, which matters most on long cable runs.
Flexible Trigger Options
Manual, 12V trigger, or signal-sensing auto-on power modes fit almost any control system.
Buyer's Guide
Who It's For
- The Two-Channel Purist: Wants a dedicated stereo amplifier that prioritizes current and headroom for critical music listening.
- The Home Theater Upgrader: Wants to offload the front left and right channels from a receiver to gain more clarity and headroom.
- The Custom Integrator: Needs a stable, high-current amplifier that fits a standard equipment rack and integrates with a control system.
How It Compares
The MCA 225, MCA 325, and MCA 525 Gen 2 amplifiers share identical per-channel power specs and the same ALM protection circuitry, differing only in channel count. The MCA 225 is the two-channel entry point; step up to the MCA 325 for a three-channel front stage or the MCA 525 for a full five-channel surround layout.
Anthem MCA 225 Gen 2 - 2 Channel Power Amplifier Specifications
| General Information | |
|---|---|
| Series | MCA Gen 2 |
| Brand | Anthem |
| Amplifier Type | 2-Channel Power Amplifier, Class AB |
| Construction | Anodized Aluminum Faceplate with Steel Chassis |
| Front Display | LED Status Indicator |
| Country of Origin | Designed, Engineered, and Crafted in Canada |
| Power Output (Per Channel, Continuous) | |
| Into 8 Ohms | 225 Watts |
| Into 4 Ohms | 400 Watts |
| Into 2 Ohms | 600 Watts |
| Power Bandwidth | 90kHz (-3dB at 200W into 8 Ohms) |
| Audio Performance | |
| Frequency Response | 20Hz - 20kHz ±0.1dB (8Ω/4Ω), ±0.2dB (2Ω) |
| Signal-to-Noise Ratio | 120dB (IEC-A, ref. 225W) |
| THD+N (at 100W) | 0.0010% (1kHz); 0.002% (20kHz) |
| Intermodulation Distortion | 0.0005% (ITU-R) / 0.002% (SMPTE) @ 100W |
| Damping Factor | 300 (20Hz - 1kHz) |
| Slew Rate | 30 V/µs |
| Voltage Gain | 29dB |
| Inputs & Outputs | |
| Analog Inputs | Single-Ended (RCA), Balanced (XLR) |
| Input Impedance | 10kΩ (RCA), 15kΩ (XLR) |
| Input Sensitivity | 1.5 Vrms (225W into 8Ω) |
| Speaker Outputs | High-Current Binding Posts (Banana, Spade, Bare Wire) |
| Trigger | Relay Trigger In/Out (3.5mm Mono Jack) |
| Control Options | Manual, 12V Trigger, Auto-On (Signal Sensing) |
| Power & Protection | |
| Circuit Protection | Advanced Load Monitoring (ALM) |
| Power Supply | High-Current Toroidal Power Supply |
| Idle Power | 35 Watts |
| Standby Power | 1.0 Watt |
| Power Requirement | 120V Version: 108V - 132V (60Hz) |
| Physical Specifications | |
| Dimensions (W x D x H) | 17" x 18-1/8" x 6-5/8" (43.18 x 46 x 16.9cm) |
| Weight | 40 lb (18 kg) |
| Rackmount Support | 4U Rackmount Kit (Sold Separately) |
| In the Box | |
| Included Items | MCA 225 Gen 2 Amplifier, Detachable Power Cord, User Manual |