Pioneer SX-780 Value & Price History

As of 2026-09-22, a Pioneer SX-780 has a market value at around $22; restored examples average $999.95, parts units around $268. Based on 217 estimated sales.

Market value $22 Typical range $15–$95 · based on 217 recent sales Estimated sale prices · 217 events · updated today · how we compute this Note: sellers are currently asking $380–$1,099.99 for this model. The gap between typical sale prices and asking prices is unusually wide.`
Currently listed from$380
Restored / serviced$999.95
Parts / not working$268
Original retail (1978)$425 · ~$1,950 today

Is a parts unit worth buying?

The $268 parts price is $319 less than the $587 working asking price — a 54% gap. Whether that gap covers the cost of repair depends on what's wrong.

What "for parts" usually means for a receiver: Receivers listed "for parts" usually have a blown fuse, dead channel, scratchy controls, or failed capacitors. Cosmetic issues (missing knobs, cracked dial glass) also land units in this category.

When it pencils out: A full recap from a competent shop runs $250–450 for most receivers. Single-channel failures are often cheaper — a bad transistor or blown fuse might be $80–150 in labour. If the gap between the parts price and working price is $319 and recap costs are $300, you're roughly break-even on paper — only worth it if you enjoy the restoration process or the unit has sentimental value.

When to walk away: A receiver with a cracked transformer, missing output transistors with no replacements available, or major physical damage (water, fire, rodents) is genuinely for parts only. Check listing photos carefully for burnt boards or missing components.

DIY vs shop: Scratchy controls and dead dial lamps are DIY fixes — DeoxIT and a lamp kit cost under $30. Beyond that, receivers need a bench and test equipment. Full repair cost context: what vintage stereo repair actually costs.

Price history

$0$595$1,185 Aug ’26 Sep ’26

Asking median is down 8% over the last 46 days ($635 → $587).

View as table
DateAskingRestoredSold
2026-08-08$635$999.95
2026-08-25$623$966
2026-08-28$637$984.99
2026-08-31$565$965$20
2026-09-03$551$999.95$21
2026-09-06$551$1,050$22
2026-09-09$625$990$22
2026-09-12$650$999.95$22
2026-09-15$662$1,099.95$22
2026-09-18$699.99$999.95$22
2026-09-21$625$1,000$22
2026-09-22$587$999.95$22

Daily trimmed medians from qualifying eBay listings; days without a fresh sync are not plotted.

Specifications

Years produced1978–1980
Power output45 wpc (8 ohms)
TypeReceiver
BrandPioneer
Original MSRP425 (1978)
Inflation-adjusted~$1,950 today
Market value (sold)$22
Currently listed (asking)$587
Restored value$999.95
Value vs MSRP+38%

Buying notes

One of the highest eBay listing volumes in vintage receivers.

Parts & supplies

Common maintenance items for the Pioneer SX-780. eBay links are model-specific searches; Amazon links are for generic supplies that work across most equipment.

Purchases through these links may earn StereoWorth a small commission at no extra cost to you. See our affiliate disclosure. Repair budgeting: what vintage stereo repair actually costs.

Comparable models

Current listings

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