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 delivers 80 watts per channel into 8 ohms and features input sensitivity of 2.5mV for MM and 150mV for line. The amplifier supports speaker loads between 4 and 16 ohms and has a frequency response from 10Hz to 100kHz. One owner reports using it successfully with Bowers & Wilkins 702 S2 speakers, noting it "sounds sublime," while 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 appeared in used sales for as low as $74.95, with one listing noting an approximate price of $79.92. A speaker terminal upgrade kit is available for $54.00, and a service manual dated April 1983 exists, indicating technical supportability.
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.