Pioneer SX-580 Vintage Stereo Receiver – 20 WPC, Cherry Wood

$795.00

Experience warm, detailed vintage sound with the Pioneer SX-580—a beautifully serviced 20WPC receiver featuring custom Ottawa Valley Cherry cabinetry.
✔️ Fully restored and ready to perform
✔️ Authentic silver-face 1970s Pioneer charm
✔️ Backed by Radique’s Warranty & Perpetual Trade-Back Program
✔️ Carefully packed in a rugged double-wall box for shipping safety

🎧 Ideal for smaller rooms or those starting their vintage audio journey—refined, reliable, and built to last.

1 in stock

Description

 

Pioneer SX-580 Vintage Receiver – Serviced, 20 WPC, Custom Ottawa Valley Cherry Wood Cabinetry

The Pioneer SX-580 you see here isn’t just a compact receiver—it’s a beautifully restored icon of late-1970s hi-fi.
Lovingly serviced and detailed by Radique Audio, this circa-1979 classic delivers 20 watts per channel of clean, musical Pioneer sound with our exclusive custom Ottawa Valley cherry wood cabinetry, precision-applied for a warm, elegant finish that’s unmistakably Radique.

Compact and refined, the SX-580 was designed at the tail end of the receiver wars—bringing big Pioneer performance to smaller spaces. Built in Japan during the golden age of silver-faced audio, it features robust construction, clean controls, and that signature Pioneer glow from its illuminated dial and stereo meters.


Service & Condition

  • Professionally serviced: deoxidized controls, full circuit inspection, and factory-spec testing

  • Exclusive Ottawa Valley cherry wood cabinetry, hand-crafted and refinished by Radique Audio

  • Faceplate, knobs, and meters in very good condition

  • Fully tested and performing at original Pioneer specifications


Features

  • 20 watts per channel into 8Ω (stereo)

  • Loudness function for rich low-volume listening

  • FM muting and rear switch for FM de-emphasis

  • Tape in/out, phono input, and aux input

  • Stereo power meters with signal meter

  • Click-stop bass and treble controls with center defeat


Specifications

  • Power Output: 20 WPC into 8Ω

  • Frequency Response: 5Hz – 100kHz

  • Total Harmonic Distortion: 0.3%

  • Damping Factor: 25

  • Input Sensitivity: 2.5mV (MM), 150mV (line)

  • Signal-to-Noise Ratio: 73dB (MM), 90dB (line)

  • Output: 150mV (line)

  • Speaker Load Impedance: 4Ω (minimum)

  • Semiconductors: 3 × FET, 5 × IC, 17 × transistors, 29 × diodes

  • Dimensions: 435 × 144.5 × 314mm (17.1” × 5.7” × 12.4”)

  • Weight: 8.3kg (18.3 lbs)


Why Choose Radique?

At Radique Audio, our mission is to breathe new life into legendary components so they can continue to bring joy to real music lovers—not landfills. Like all of our refurbished pieces, this Pioneer reflects our dedication to lasting quality, sustainability, and great sound.

Careful, high-quality packaging ensures your vintage receiver arrives safely. Each Radique unit ships in a heavy-duty 275lb-test double-wall box, surrounded by industrial-grade bubble wrap and sealed with reinforced tape. Shipping damage is virtually unheard of.
Watch our unboxing video!

📦 Ready to ship promptly after purchase


⚠️ Important Info for International Buyers

This receiver is configured for North American 110/120V power.
If outside North America, please use a step-down transformer and appropriate adapter. Consult an electrician if unsure.


Radique Advantages


📺 Curious about our small but growing audio business?
Check out our YouTube channel for behind-the-scenes restoration videos and more!

Check out our Youtube video showing this beauty in action as well as our thorough packing job for shipping our components.

🌳 Caring for Your Cherrywood Cabinet

Each refinished cherry cabinet is prepared to highlight the natural warmth and grain of real wood. For tips on keeping it looking its best for decades, including safe cleaners, what to avoid, and how to manage sunlight exposure, see our Cherrywood Cabinet Care Guide. 👉

⭐ Don’t Just Take Our Word For It

Radique Audio holds over 600 customer ratings averaging 4.97 stars across six public platforms — Facebook Marketplace, Kijiji, Canuck Audio Mart, Google and others. Every rating lives somewhere we don’t control, so you can read the originals yourself, including the less flattering ones. See what our customers say. 👉

$795.00
Additional information
Weight23 lbs
Dimensions16.4 × 21.1 × 9.7 in
About brand
Pioneer at Radique
We service Pioneer, too. Bring us your own Pioneer receivers, amplifiers, tuners, turntables, cassette decks and CD players for repair, servicing or restoration (not reel-to-reel decks), with a 90-day warranty on the work. See our Audio Service page

Pioneer began in Tokyo in January 1938, when Nozomu Matsumoto set up shop around the A-8 speaker he had built the year before. By the late 1970s its SX receivers were at the heart of the hi-fi power race. We carry Pioneer stereo receivers and AV receivers, CD players, cassette decks, tuners and equalizers. We've had more than 240 Pioneer listings so far, covering 140 different models. Every used Pioneer here is inspected, tested and serviced as required, then photographed in-house and covered by our Bumper-to-Bumper Warranty and Perpetual Trade-Back Program. Don't see the model you want? Tell us on First Dibs and we'll email you when one arrives.

Pioneer is one of our two top-selling brands of vintage amps and receivers, along with Marantz. Our five best-selling Pioneer models so far: the SX-650, SX-750, SX-580, SX-780 and SX-680, all vintage stereo receivers from the 1976 and 1978 SX families. We also offer our custom cherry cabinets for these vintage Pioneers, hand-made from all-natural Ottawa Valley cherry, and we've upgraded dozens of Pioneers with them so far.

The Pioneer story, 1938 to today

Nozomu Matsumoto developed the A-8 speaker in 1937, and in January 1938 he set up Fukuin Shokai Denki Seisakusho in Tokyo. "Pioneer" was first the name of that speaker. Some histories give 1936 in Osaka as the start, but Pioneer dates itself to January 1938 in Tokyo. The company was incorporated in 1947 and renamed Pioneer Electronic Corporation in 1961.

Stereo and the US. In 1962 Pioneer introduced the PSC-5A, which it calls the first stereo with separate speaker cabinets, and its first PL turntables. Pioneer Electronics U.S.A. was founded in New York in 1966.

The power race. After a 1974 US Federal Trade Commission rule tightened how amplifier power was rated, receiver makers competed on watts. Pioneer's SX-1250 of 1976 was rated at 160 watts per channel, and the SX-1980 of 1978 to 1980 at 270.

CD and Elite. The P-D1 of 1982 was Pioneer's first CD player, and Elite-branded components were on sale by 1985.

Today. Pioneer sold its home audio business to Onkyo in 2015, keeping its car and DJ businesses, and Pioneer-branded home theatre gear was later made under licence. In December 2025 CarUX, part of Taiwan's Innolux, completed its purchase of Pioneer Corporation, which now focuses on in-car products.

Which Pioneer is which?

Early-1970s SX receivers: models such as the SX-424 to SX-828, rated at about 15 to 50 watts per channel.

The 1976 "x50" SX receivers: from the SX-450 at 15 watts per channel up to the SX-1250 at 160. Our best-selling SX-650 and SX-750 come from this family.

The 1978 "x80" SX receivers: including the SX-580, SX-680 and SX-780 we sell most, up to the SX-1980 flagship with quartz-lock tuning, which weighs more than 35 kg.

Spec and Exclusive separates: higher-end amplifiers such as the Spec-1 preamplifier (1976 to 1980) and the Exclusive C3/M3 pair (1974).

Elite: Pioneer's upper line from the mid-1980s, for example the PD-9010X CD player.

PL turntables, CT cassette decks and CD players: PL turntables from 1962, such as the PL-12 and the linear-tracking PL-L1; CT decks such as the three-head CT-F1000; and CD players from the 1982 P-D1 to magazine-loading changers such as the PD-M6.

Buying used Pioneer: what to check

Controls and switches. Crackle when you turn a control or work a switch usually means dirt, and restorers clean every pot and switch.

Capacitors. Electrolytic capacitors in 1970s receivers are often past their best, and full restorations replace them.

Big SX models. Owners and restorers report heat stress on the power-supply board of large receivers such as the SX-1250. Ask what has been done.

Relay, lamps and bias. The protection relay is a common replacement, dial lamps burn out and are often converted to LED, and restorers set the bias and DC offset.

Cassette decks. Check the heads, fast-forward and rewind, Dolby and every button. Belts age even when the deck looks perfect.

Everything we list is inspected, tested and serviced as required here, and comes with our warranty.