Pioneer SX-950 85W Stereo Receiver
Professionally Restored by HQaudios – Fully Tested – Backed by Our 1-Year Warranty. This U.S.-market Pioneer SX-950 delivers 85 watts per channel into 8 ohms and is configured for standard 120V / 60Hz household power.
Quick Buyer Summary
| Model | Pioneer SX-950 |
| Type | AM/FM Stereo Receiver |
| Power Output | 85W/ch into 8 Ohms / 110W/ch into 4 Ohms |
| Speaker Systems | A / B / C |
| Tuner | Built-In FM / AM Analog Tuner |
| Phono | Dual Phono Inputs |
| Power | 120V AC / 60Hz – U.S. Market Model |
| Rear-Panel Rating | 370W / 430VA |
| Service Status | Professionally Restored, Serviced, and Function-Tested |
| Cosmetic Condition | Excellent Overall Vintage Condition; Rear Panel Shows Visible Scratches / Scuffs |
| Warranty | 1-Year HQaudios Warranty |
Why the Pioneer SX-950 Stands Out
The Pioneer SX-950 combines an 85-watt-per-channel stereo amplifier with an AM/FM tuner, three selectable speaker systems, dual tape-monitor connections, and separate preamplifier and power-amplifier sections. Its silver faceplate, meters, and analog controls reflect Pioneer’s 1970s receiver design.
Amplifier, Tuner & Control Architecture
- 85W/ch x2 into 8 Ohms / 110W/ch x2 into 4 Ohms
- Direct-Coupled Power Amplifier
- FM / AM Analog Tuner with signal and tuning meters
- Speaker A / B / C Selection
- Dual Tape-Monitor Circuits with tape duplication
- Separable Preamp / Power Amp Sections
- Low / High Filters + Tone Controls
- Dual Phono Inputs
HQaudios Restoration & Multi-Point Quality Control
Professionally Restored • Function-Tested • Final Listening Test Completed
| Before Restoration | We inspected the Pioneer SX-950 before beginning service, focusing on the power supply, amplifier stages, protection circuitry, preamplifier, and AM/FM tuner. The front-panel controls, switches, speaker terminals, RCA connections, internal wiring, meters, and dial illumination were also examined for wear and operating issues. Both amplifier channels and their connections were included in the initial assessment. |
| During Restoration | Our technicians serviced the Pioneer SX-950 power supply, amplifier circuitry, controls, and signal connections in the areas requiring attention. The protection circuitry, tuner section, and associated connections were also inspected during the service process. We replaced selected electrolytic capacitors within the receiver circuitry. Switches and signal connections were serviced before the final operational checks. |
| After Restoration | After restoration, we tested both amplifier channels and speaker outputs on the Pioneer SX-950 under normal operating conditions. Channel balance, protection operation, AM/FM reception, source inputs, front-panel controls, switches, meters, and illumination were checked for proper operation. During the final listening evaluation, the receiver provided stable stereo playback with consistent left- and right-channel operation. |
✓ Professionally Restored • ✓ Components Replaced • ✓ Controls Serviced • ✓ Function-Tested • ✓ Final Listening Test Completed
Listening Character
The SX-950 provides 85 watts per channel into 8 ohms, offering useful headroom with properly matched passive speakers. Its tone controls and filters allow listeners to adjust the sound for their speakers, room, and listening preferences.
Actual Cosmetic Condition
This unit is in excellent overall vintage cosmetic condition, with light-to-moderate age-related wear consistent with a receiver of this era. Please note that the rear panel shows visible scratches, scuffs, and surface wear from previous use, as clearly shown in the photos.
- Faceplate / Front Panel: The silver faceplate presents cleanly overall, with legible Pioneer markings.
- Knobs / Controls / Switches: The knobs, controls, and switches are present and retain a clean overall vintage appearance.
- Chassis / Housing: The receiver chassis and exterior housing present well overall with light age-related wear.
- Dial Glass / Meters / Lamps: The dial display and dual signal/tuning meters are present and retain the classic SX-950 appearance.
- Rear Panel / Connections: The rear panel, RCA connections, speaker terminals, AC outlets, and labeling are present, with readable markings. Visible scratches, scuffs, and age-related surface wear remain, particularly around the speaker-terminal area and center section. Please review the close-up photos for the exact cosmetic condition.
Specifications
| Model | Pioneer SX-950 |
| Type | AM/FM Stereo Receiver |
| Era | 1976–1978 |
| Power Output | 85W/ch into 8 Ohms / 110W/ch into 4 Ohms |
| Total Harmonic Distortion | 0.1% at Rated Output |
| Frequency Response | 15Hz–40kHz |
| Damping Factor | 25 |
| Phono Input | 2.5mV MM |
| Line Input | 150mV |
| Speaker Systems | A / B / C |
| Speaker Load | 4 Ohms or higher using A, B, or C individually; 8 Ohms or higher per speaker system when using A+B, A+C, or B+C |
| Power Requirement | 120V AC / 60Hz – U.S. Market Model |
| Rear-Panel Rating | 370W / 430VA |
| Dimensions | 20.73 W × 6.81 H × 16.20 D inches |
| Weight | 42.1 lbs |
| Country of Manufacture | Japan |
| Warranty | 1-Year HQaudios Warranty |
U.S. Power Compatibility
This Pioneer SX-950 is a U.S.-market 120V AC / 60Hz model and is ready for standard U.S. household power. The rear-panel rating is 370W / 430VA.
Speaker & System Compatibility
The Pioneer SX-950 can drive a broad range of compatible passive speakers. When using a single A, B, or C speaker system, use speakers rated at 4 ohms or higher. When operating two speaker systems simultaneously, each speaker system should be rated at 8 ohms or higher. Avoid sustained clipping and verify speaker wiring before operation.
What Is Included
One Pioneer SX-950 Stereo Receiver as shown in the listing photographs.
Buyer Services
- Please contact us if you would like additional close-up photos or help with the receiver’s features and operation
- Complimentary speaker and system-matching guidance is available before purchase
- A multi-item discount may be available when building a complete vintage system
- Selected high-value vintage audio equipment may be considered for trade-in
Shipping and Packaging
Vintage receivers are heavy and delicate and require careful packing. This Pioneer SX-950 will receive protective coverage around the faceplate, dial glass, knobs, meters, chassis corners, and rear connections, together with dense internal cushioning and a heavy-duty outer carton. Tracking information will be provided after shipment, and signature confirmation may be required.
1-Year HQaudios Warranty
This receiver is covered by our 1-Year HQaudios Warranty for proper electronic and functional operation under normal home use.
Coverage does not include misuse, physical damage, unauthorized repair, incorrect wiring, incompatible equipment, amplifier clipping, incorrect voltage, or operation outside the manufacturer’s intended specifications.
Buy With Confidence
Please review the complete description and all product photos before purchase. The rear panel shows visible scratches, scuffs, and age-related surface wear, as shown in the close-up photos. Contact HQaudios if you need clarification regarding cosmetic condition, speaker compatibility, included items, shipping, or warranty coverage. HQaudios – Vintage Audio Restored with Care.









































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