Pioneer SX-770 (1970–1971)
A solid-state AM/FM stereo receiver from Pioneer’s SX series, produced in the early 1970s.
Overview
The Pioneer SX-770 is a solid-state AM/FM stereo receiver manufactured by Pioneer Corporation. It was produced around 1970–1971 and marketed as the "Pioneer SX-770 Deluxe Stereo Receiver." As part of Pioneer's renowned SX series, it reflects the company's focus on high-fidelity audio during its golden era in the 1970s.
Specifications
| Product type | Solid State AM/FM Stereo Receiver |
| Frequency response | 20Hz to 40kHz |
| Dimensions | 480 x 140 x 320mm |
| Weight | 11.2kg |
| Inputs | Phono 1: 2.5 mV, 50 kOhm |
| Tuning range | FM, MW |
| Original price | $249.95 (MSRP) |
Design
The SX-770 features an all-silicone transistorized design and includes high-quality Nichicon capacitors in the output stage.
Market
The SX-770 has been found in garage sales and private transactions, with reported purchase prices as low as $15 and $60. It has been the subject of restoration projects, indicating ongoing interest among vintage audio enthusiasts.
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