Stereo Power Amplifier (1976-80)
The Spec-2 is a 250W rack mount stereo power amplifier featuring a current limiter circuit, peak level meters, protection circuit, power switch on/off and impedance selector muting and a temperature detector.
This high power design employs a cascaded differential amplifier first stage, push-pull drive, and darlington triple push-pull circuit with all stages direct coupled (OCL).
Power output: 250 watts per channel into 8Ω (stereo)
Frequency response: 5Hz to 80kHz
Total harmonic distortion: 0.1%
Damping factor: 50
Input sensitivity: 2V
Signal to noise ratio: 110dB
Speaker load impedance: 4Ω to 8Ω
Semiconductors: 55 x transistors, 75 x diodes
Dimensions: 480 x 186.5 x 445mm
If you have any problems opening files please read the download FAQ. All files are provided under strict licence and reproduction without prior permission or for financial gain is strictly prohibited.
If you have additional documentation please consider donating a copy to our free archive.
Pioneer Power Amplifiers