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PIONEER SX-1280 185WPC MONSTER Receiver -Professionally Restored 1-Year Warranty
$7,999
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- Authentic Pioneer SX-1280 vintage stereo receiver
- 185 watts per channel into 8 ohms
- Professionally restored and serviced by HQaudios
- Power-supply section serviced
- Power-amplifier circuitry serviced
- Preamplifier section serviced
- Selected electrolytic capacitors replaced
- Selected 2SC1815 and 2SA1015 transistors replaced
- 3SK45 FET components replaced in affected circuitry
- PA3004 integrated circuit replaced during service
- Dual analog power meters
- Dual phono inputs and extensive tape connectivity
- Pre-out / power-amp-in connections
- Three selectable speaker systems
- Large external heat-sink assemblies
- Wood cabinet shown with the receiver
- Backed by our 1-Year HQaudios Warranty
1 in stock
Pioneer SX-1280 185WPC Monster Stereo Receiver
Professionally Restored – Fully Tested – 1-Year Technical Warranty
The Pioneer SX-1280 is one of the legendary high-power “monster receivers” from the golden age of vintage audio.
Rated at 185 watts per channel into 8 ohms, it combines massive power, substantial construction, large analog meters, extensive controls, and Pioneer’s unmistakable late-1970s silver-face styling.
This particular SX-1280 has received extensive hands-on restoration by our HQaudios technicians. Major electronic sections were serviced, numerous aging components were replaced, controls were cleaned and serviced, and the receiver was carefully prepared cosmetically.
After restoration, we fully tested the receiver and completed final quality control. The photos and demo video show the actual unit offered for sale.
Key Highlights
- Legendary Pioneer SX-1280 monster receiver
- 185 watts per channel into 8 ohms
- Professionally restored by HQaudios technicians
- Power supply, power amplifier and preamplifier sections serviced
- Approximately 50 electrolytic capacitors replaced
- Approximately 30 transistors replaced
- Selected resistors, FETs and integrated circuit replaced
- Switches, selectors and controls cleaned and serviced
- Exterior carefully cleaned and detailed
- Wood cabinet cleaned and conditioned
- Fully tested after restoration
- Actual-unit photos and demo video
- 1-Year Technical Warranty
A True Pioneer Monster Receiver
The SX-1280 comes from an era when audio manufacturers competed to build larger, more powerful and more sophisticated stereo receivers.
Pioneer engineered the SX-1280 with a substantial power supply, heavy-duty amplifier section, large heat sinks, extensive controls and an imposing chassis.
At approximately 63 pounds, the SX-1280 has a physical presence that matches its power output. Its combination of 185WPC output, classic analog meters, substantial construction and iconic Pioneer styling has made it one of the most recognizable high-power receivers of its generation.
For a serious vintage audio enthusiast, however, model reputation alone is not enough. The quality of restoration, cosmetic condition, testing, after-sale support and warranty all contribute to the value of the individual receiver.
Professional Electronic Restoration
Our technicians performed extensive electronic restoration with a focus on dependable operation, electrical stability and long-term reliability.
We serviced the receiver’s power supply, power amplifier and preamplifier sections, replacing aging electronic components where needed.
Components Replaced
| Electrolytic Capacitors | 10 × 470µF / 100V |
| 10 × 47µF / 63V | |
| 25 × 22µF / 25V | |
| 5 × 1000µF / 63V | |
| Transistors | 20 × 2SC1815 |
| 10 × 2SA1015 | |
| Resistors | 10 × 150-ohm |
| FETs | 2 × 3SK45 |
| Integrated Circuit | 1 × PA3004 |
In total, our restoration included approximately 50 electrolytic capacitors, 30 transistors, 10 resistors, 2 FETs and 1 integrated circuit.
Switches, selectors, push buttons and rotary controls were also cleaned and serviced to improve contact reliability and smooth operation.
Once the electronic restoration was completed, we function-tested the receiver and performed final quality control before preparing it for sale.
Cosmetic Restoration & Detailing
The SX-1280 is an impressive receiver visually as well as electronically, so we also carefully prepared the exterior of this unit.
- Aluminum faceplate carefully cleaned and detailed
- Control knobs cleaned and polished
- Front-panel switches, buttons and controls detailed
- Dial glass and display area carefully cleaned
- Wood cabinet cleaned and conditioned
- Top, sides and exterior surfaces carefully cleaned
- Rear panel and connection areas cleaned and detailed
Our goal was to preserve the authentic vintage character of this receiver while presenting it in a clean, attractive condition appropriate for a high-level SX-1280.
This remains an authentic vintage component, so minor age-related marks or cosmetic imperfections may remain. Please review all photographs carefully for the exact condition of the unit.
Why This SX-1280 Stands Apart
Vintage SX-1280 receivers can vary significantly in condition and service history. Some remain largely untouched, while others have received only basic cleaning or limited repair.
This example has received extensive hands-on restoration from our technicians, including the replacement of dozens of aging electronic components and service to major electronic sections.
We also carefully detailed the exterior, completed final operational testing, photographed the actual receiver, and recorded a demo video of the unit.
Combined with professional packing, after-sale support and our 1-Year Technical Warranty, this SX-1280 is prepared for the enthusiast who wants to both collect and enjoy one of Pioneer’s legendary monster receivers.
Sound Character
The SX-1280 delivers the large-scale, authoritative presentation expected from a high-powered Pioneer receiver. Its substantial amplifier section provides generous headroom, strong low-frequency control and the ability to drive a wide range of appropriate vintage and modern speakers.
Key Specifications
| Model | Pioneer SX-1280 |
| Type | AM/FM Stereo Receiver |
| Power Output | 185 watts per channel into 8 ohms |
| Frequency Response | 5 Hz – 80 kHz |
| Total Harmonic Distortion | 0.03% |
| Minimum Speaker Load | 4 ohms |
| Dimensions | Approx. 21.9 × 7.3 × 18.1 in |
| Weight | Approx. 63 lb |
Actual Unit – Demo Video Available
The photos and demo video show the actual Pioneer SX-1280 offered for sale. Please review the images carefully for cosmetic details and contact us if you would like additional information about this receiver.
Professional Packing & 1-Year Warranty
At approximately 63 pounds, the Pioneer SX-1280 requires significantly more care to ship than ordinary audio equipment.
We professionally pack the receiver with appropriate protection for the faceplate, knobs, wood cabinet, chassis and internal components.
This receiver is backed by our 1-Year Technical Warranty for additional peace of mind.
We also provide after-sale support and are available to assist with setup, operation, speaker matching and general system questions.
Suggested Pairing & Package Options
The SX-1280 is well suited to a wide range of high-quality vintage speakers and can serve as the centerpiece of a serious two-channel system.
Need help pairing it with speakers, a turntable, reel-to-reel deck, or other vintage components? Contact us for system-matching recommendations based on your room, listening preferences and existing equipment.
Package pricing may be available when purchasing multiple components, speakers or accessories together.
Pioneer SX-1280 – A Legendary Monster Receiver, Restored for Continued Enjoyment
Professionally Restored by HQaudios • Fully Tested • Actual Unit • Professional Packing • 1-Year Technical Warranty
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Original price was: $699.$629Current price is: $629. With promotion: $566
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