Pioneer SX-3800 stereo receiver in custom Ottawa Valley cherry wood cabinet — front view

Pioneer SX-3800 cherry cabinet — close-up of tuning dial and quartz-locked digital frequency display

Pioneer SX-3800 blue Fluoroscan power meters and front-panel controls

Pioneer SX-3800 stereo receiver rear panel — phono input, dual tape loops, pre-out/main-in, dual speaker terminals

Pioneer

Pioneer SX-3800 Vintage Stereo Receiver – 60 WPC, Made in Japan

Price range: $847.00 through $1,060.00

Pioneer SX-3800 stereo receiver: a 60 WPC non-switching amplifier, quartz-locked digital tuner and blue Fluoroscan meters, made in Japan and through our Level 1 service.

✔️ Choose your cabinet: original wood side panels, or custom Ottawa Valley cherry
✔️ Through our Level 1 service
✔️ 60 WPC, 0.005% THD, MM phono, pre-out / main-in, A/B speakers
✔️ ⚠️ The original wood side panels unit carries an FM disclosure — please read it below
✔️ Covered by Radique Warranty
✔️ Includes Perpetual Trade-Back Program eligibility
✔️ Expertly packed for safe shipping

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Description

📻 Pioneer SX-3800 Stereo Receiver — Made in Japan, in Original Wood Side Panels or Ottawa Valley Cherry

The Pioneer SX-3800 stereo receiver is one of the finest pieces to emerge from Pioneer’s acclaimed early 1980s lineup — a non-switching amplifier, quartz-locked digital tuner, and iconic blue Fluoroscan power meters. We offer it two ways: with its beautifully preserved original wood side panels, or dressed in custom Ottawa Valley cherry wood cabinetry by Radique Audio. Made in Japan, and built to last another forty years. Choose your cabinet above.

🎛️ Pioneer SX-3800 Stereo Receiver — Non-Switching Amplifier Design

Manufactured from 1980–1981, the SX-3800 sat just below the flagship SX-3900 in Pioneer’s receiver hierarchy — and its amplifier section reflects that pedigree. The non-switching amplifier controls output transistor bias at high speed, eliminating crossover distortion entirely. The result is an extraordinarily clean 60 watts per channel into 8 ohms with a vanishingly low 0.005% THD — a figure that rivals many modern amplifiers. Frequency response extends from 7 Hz to 80 kHz, and a damping factor of 50 provides excellent control over demanding speaker loads.

📡 Quartz-Locked Digital Tuner & Fluoroscan Meters

The quartz-locked FM tuner pairs an analog dial with a blue fluorescent digital frequency display. The quartz servo system was designed to hold station lock without drift. One of the two units we have carries an FM disclosure — please read it under Choose Your Cabinet below. The distinctive blue Fluoroscan logarithmic power meters display output from 0.01 to 80 watts without range switching — a Pioneer hallmark of this era that remains as functional as it is visually captivating.

🎵 Phono Stage, Tape Loops & System Flexibility

Moving magnet phono stage — 2.5 mV input sensitivity, 82 dB S/N ratio for quiet, capable vinyl playback
Two tape monitor loops — also serve as insert points for external equalizers or signal processors
Pre-out / main-in connections — separate the preamp and power amp sections for system expansion
Dual speaker outputs with front-panel A/B switching
Subsonic filter to reduce low-frequency warp rumble from turntable playback
Headphone output

🔧 Choose Your Cabinet — Condition & Service

Ottawa Valley cherry

This unit is in very good overall cosmetic condition, with the custom Ottawa Valley cherry wood cabinetry presenting particularly well — rich colour, attractive grain, and only light signs of careful use. The faceplate, knobs, and Fluoroscan display are clean and presentable for a receiver of this vintage. It has undergone our Level 1 service and testing.

🌳 Caring for Your Cherrywood Cabinet

Each custom cherry cabinet is sanded to a silky 320-grit smoothness and hand-finished with boiled linseed oil and a final beeswax polish — no stains, no polyurethane, no synthetics. 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. 👉

Original wood side panels

This unit presents in very good cosmetic condition with beautifully preserved original wood side panels. It has undergone our Level 1 service and testing — the amplifier, phono, and line-level sections all test to specification, with the two FM-section faults disclosed above. At 35.7 lbs (16.2 kg), the SX-3800’s substantial chassis and robust power supply reflect Pioneer’s audio-first engineering philosophy of the golden era of hi-fi.

⚠️ FM Tuner Disclosure — Original Wood Side Panels Unit Only, Read Before Buying

During a recent pre-shipping inspection, our bench identified two faults in this unit’s FM section, and we would rather tell you plainly than have you discover them. First, the analog dial pointer reads about half a point off against the digital frequency display across the FM band — tuned to 106.1 FM, for example, the digital display correctly reads 106.1 while the pointer sits at roughly 106.58 on the printed dial scale. The digital readout is the accurate one and stations land exactly where it says; the pointer and dial scale simply disagree with it. Second, and more significantly, the tuner will not hold FM stereo lock reliably. Both faults are confined to FM: the amplifier section, phono stage, AM, and all line-level inputs perform to specification on our bench. If FM listening is central to how you will use this receiver, this is not the right unit for you — we would rather lose the sale than the trust. If your listening lives on vinyl, streaming, or any other source, neither fault will ever touch it. This unit remains backed by our Bumper-to-Bumper Warranty on everything except the two FM faults disclosed here, and by our Perpetual Trade-Back Program in full.

Consistent, high-quality packaging ensures your treasured component arrives safely. Every order is packed in heavy-duty 275lb test double wall boxes (not just single wall), surrounded by industrial-grade bubble wrap, and sealed with extra-strong tape. Shipping damage is virtually unheard of. Watch our unboxing video!

📐 Specifications

Feature	Spec
Power Output	60 WPC into 8 ohms (20 Hz–20 kHz, 0.005% THD)
Frequency Response	7 Hz – 80 kHz
Damping Factor	50
Phono Input Sensitivity	2.5 mV (MM)
Line Input Sensitivity	150 mV
S/N Ratio	82 dB (MM phono), 110 dB (line)
FM Tuning Range	87.5 – 108 MHz
AM Tuning Range	525 – 1605 kHz
Power Meters	Blue Fluoroscan logarithmic, 0.01–80W
Tape Loops	2
Speaker Outputs	Dual A/B
Semiconductors	17 ICs, 6 FETs, 71 transistors, 58 diodes
Dimensions	19.9″ × 6.5″ × 17.1″ (506 × 164 × 434 mm)
Weight	35.7 lbs (16.2 kg)
Origin	Made in Japan

⚠️ Important Information for International Buyers

This receiver is configured for North American 110/120V power. Buyers outside North America will require a step-down transformer and appropriate plug adapter. Please consult a local electrician if you are unsure about your local voltage requirements before purchasing.

✅ Buy With Confidence — The Radique Promise

Backed by Radique’s Bumper-to-Bumper Warranty (the two FM faults disclosed above excepted) and our Perpetual Trade-Back Program in full. When you’re ready to move on, we’ll take it back. That’s the Radique difference.

📺 Curious about our business? Check out our YouTube channel for behind-the-scenes videos and more!

📞 Questions? Use the Ask a Question button above, or call us at 613-416-9995.

⭐ 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. 👉

Additional information

Weight	40 lbs
Dimensions	21.1 × 24 × 10.5 in
Cabinet	Ottawa Valley cherry, Original wood side panels

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.