Q Power - Power Amplifier

Stereo power amplifier rated at 50W/8ohm, 30A pk-pk. Amplifier features signal-sensing auto-start for AV and multi-room remote use. Chain output facility allows bi/tri-amping and for large multi-amp zones. High-speed overload and thermal protection circuits for confidence in all installations

The Cyrus Q-Power is an exceptionally versatile power amplifier with outstanding performance. In an system with a Quattro the Q-Power delivers a full 50W/Ch with a level of performance which cannot be achieved by other single box ‘lifestyle’ systems. With the addition of the Multi-room upgrade to the Quattro, further Q-Power amplifiers may be added to distribute high quality sound around the home at the touch of a button.

Offering outstanding performance, the Q-Power may be used to upgrade a Cyrus system for bi-amplification of loudspeakers. The “Chaining” feature of the Q-Power facilitates biamping or tri-amping a fuller installation.

For the AV enthusiast, the Cyrus Q-Power is the ideal choice to drive the surround loudspeakers in a Home Theatre system. A set of three Q-Powers may be used to provide amplification for all channels where 6 x 50W will meet the requirements of the system.

The quality lightweight die-cast enclosure of Cyrus Q-Power has a myriad of advantages both electrically and mechanically. The integrated heatsink design enhances the thermal efficiency allowing higher performance to size ratio. Additionally, the non-resonant nature of the alloy minimises microphonic effects, while its non-ferrous composition provides an effective shield from external electro-magnetic disturbances. This also eliminates coupling of the power transformer stray magnetic fields to the sensitive audio circuitry.

Technical Information


Inputs - RCA phono
Outputs - Loudspeakers, line level chain out
Power Supply - 180VA Toroidal transformer
Switch-on - Auto switch-on sensing with input signal


Continuous Power - 50W/CH (both driven into 8 Ohms) 70W/CH (both driven into 4 Ohms)
Distortion - <0.004%, (1kHz into 8 Ohms) <0.01%, (20Hz-20kHz into 8 Ohms)
Frequency Response - -3 dB at 1Hz and 80kHz
Current - 30 Amps peak to peak
Sensitivity - (RCA input) 380mV (for 50W stereo into 8 Ohms)
Input impedance - 10Kohm (RCA)
Output voltage - 380mV (Chain out)
S/N Ratio - 110dBA
Dimensions - (H x W x D) 73 x 215 x 360 (mm)
Weight - 4.6kg
Finish - Black

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