Pioneer SA-940 (1983)
A stereo integrated amplifier from Pioneer's early 1980s lineup, built with 44 transistors and rated for 80 watts per channel.
Overview
The Pioneer SA-940 is a stereo integrated amplifier produced in 1983. It puts out 80 watts per channel into 8 ohms. Input sensitivity is 2.5mV for MM and 150mV for line. It drives speaker loads between 4 and 16 ohms, and frequency response runs from 10Hz to 100kHz. One owner reports running it with Bowers & Wilkins 702 S2 speakers and says it "sounds sublime." Another pairs it with a Pioneer PL-750 turntable.
Specifications
| Power output | 80 watts per channel into 8 ohms |
| Total harmonic distortion | 0.05% |
| Frequency response | 10Hz to 100kHz |
| Input sensitivity | 2.5mV (MM), 150mV (line) |
| Signal to noise ratio | 90dB (MM), 100dB (line) |
| Speaker impedance | 4 to 16 ohms |
| Semiconductors | 44 transistors, 21 diodes, 2 ICs |
| Dimensions (W x H x D) | 420 x 170 x 385 mm |
| Weight | 15.0 kg |
Market
The Pioneer SA-940 has turned up in used sales for as low as $74.95, and one listing noted an approximate price of $79.92. A speaker terminal upgrade kit is available for $54.00. A service manual dated April 1983 exists.
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