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Onkyo PA-MC5501 9 Channel Power Amplifier


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Power Per Channel (8ohms) 220W
Warranty length 2 Years
Colour Black
Brand Onkyo

Tech Specs

THD: 0.05% (20Hz-20kHz, Rated)
Damping Factor: 60 (Front, 1 kHz, 8Ω)
Sensitivity: 1V (Bal), 2V (Unbal)
Impedance: 47kΩ (Bal), 22kΩ (Unbal)
Freq Response: 5Hz-100kHz/+1 dB, -3 dB
Signal/Noise Ratio: 110 dB (Unbal, IHF-A)
Speaker Impedance: 4-16Ω or 6-16Ω

Output: 220 W/Ch (6‎Ω, 1kHz, 1%, IEC)

Dynamic: 400/300/180W (3/4/8‎Ω, Front)
Supply: AC 220-240 V~, 50/60 Hz
Consumption: 1,050 W
Standby Consumption: 0.3 W

Dimensions (WHD): 435 x 198.5 x 446.5mm
Weight: 22.2 kg

Product Description

The Onkyo PA-MC5501 flagship 9 channel power amplifier is not only extremely powerful, it's carefully designed to deliver a rich and detailed sound that's nothing short of stunning. This AV power amplifier is is engineered to deliver superior dynamic response and outstanding signal purity.

Onkyo’s highly efficient push-pull amplification and WRAT suite work to minimize interference, stabilize the voltage, and boost the current across the unit’s electrical system. Components such as the toroidal transformer, large capacitors, and heavy-duty transistors are all designed to handle very high loads. Audiophile-grade parts are used throughout.

The result? Instantaneous response to signal gains, extremely low levels of distortion through the dynamic range, and the sort warmth and clarity only a top-shelf analog amplifier can provide. Paired with a matching Onkyo pre-pro unit, the PA-MC5501’s nine channels and bi-amping capability offer extraordinary set-up flexibility to bring you the ultimate in THX Ultra2™ certified surround sound.


- 220 W/Ch at 6 Ω, 1 kHz, 1 %, 1 Channel Driven, IEC
- THX® Ultra2™ Certified
- WRAT (Wide Range Amplifier Technology)
- Push-Pull Amplification Design with Three-Stage Inverted Darlington Circuitry to Remove Distortion
- All Discrete Output Stage Circuitry
- Massive Toroidal Transformer
- Two Large, Customized, 22,000 μF Capacitors for Effective Power Supply
- Audio-Tuned Reference Capacitors for Each Channel
- Large, Custom-Designed Power Transistors to Drive High Currents
- Low-Impedance Copper Bus Plates for Perfect Ground Potential
- High-Current, Low-Impedance Circuit Boards with Thick Copper Foil (70 μm)
- Separate Anti-Vibration Panels
- Flat, High-Rigidity, Anti-Resonant Chassis
- Gold-Plated XLR Inputs
- Machined Solid Brass RCA Inputs
- Gold-Plated, Color-Coded, Banana Plug-Compatible, Transparent Speaker Posts
- Multi-Zone Capability (up to Zone 3)*
- Bi-Amping Capability*
- 12 V Trigger Input
- Auto Standby Function
- Aluminum Front Panel

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