Used as the power unit incorporated into a professional four-channel stereo system, Pioneer’s Model QM-800 has no peer for versatility and performance.
With a power bandwidth of 10 to 50,000Hz (at 8 ohms, four channels driven), and delivering 25 watts per channel of continuous power (at 8 ohms), this new unit is the key to turning your listening room into a concert hall of total, all-encompassing sound.
The QM-800 is recommended for use with the identically-sized and styled quadraphonic preamplifier, Pioneer Model QC-800.
And this new component may also be used in a two-channel two-way multi-amplifier system, in conjunction with an electronic crossover network, simply by connecting the high range speaker output terminals to the tweeter.
No matter how you size up the QM-800, it becomes the ultimate in four-channel sound: distortion is low, output power is stable, signal-to-noise ratio is 90dB or more.
Quadraphonic stereo now has the power to go with its exciting performance. The Pioneer QM-800: it deserves a listen, a four-channel listen, today.
Specifications
Power output: 35 watts per channel into 8Ω (stereo), 25W (4 channel)
Frequency response: 5Hz to 80kHz
Total harmonic distortion: 0.5%
Damping factor: 70
Input sensitivity: 0.5V
Signal to noise ratio: 90dB
Speaker load impedance: 4Ω to 16Ω
Semiconductors: 39 x transistors, 37 x diodes
Dimensions: 430 x 145 x 337mm
Weight: 11.5kg
Year: 1972
Registration