BETA
RADAR is in beta — expect errors. Accuracy and coverage improvements are shipping daily.
LIVE
Waiting for new listings…
0 other audiophiles online
ONKYO INTEGRA P-304 PREAMP...CLEANED, LUBED..and TESTED..NICE UNIT 120v
Onkyo P-304 13 views

ONKYO INTEGRA P-304 PREAMP...CLEANED, LUBED..and TESTED..NICE UNIT 120v

USD$325
Location
US
Seller
euroz28
Source
eBay US
Posted
27 Jul 2026
Last seen
2h ago

RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.

Our Thoughts RADAR AI

This one looks like a strong deal: at US$325, it lands well below the US$349 25th percentile and far under the US$425 median of the recent comp set. For a clean, working example, that’s the kind of pricing that should get attention rather than require negotiation.

That low entry price makes sense on a well-regarded Onkyo preamp like this one, which is valued for a punchy, neutral presentation and solid phono performance in a vintage two-channel rig. The upside is straightforward: if it’s been cared for and is complete, you’re buying into a respected piece of classic hi-fi for less than the market’s usual floor, so the main check is simply condition and whether all controls, inputs, and knobs behave properly.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Onkyo

Onkyo traces its roots to postwar Japan, founded in 1946 in Osaka by Takeshi Goda, an engineer at Matsushita Electric who envisioned high-quality Japanese loudspeakers. Initially established as Osaka Denki Onkyo K.K., the company began production in 1948 with the acclaimed ED-100 speaker featuring a 25 cm driver, quickly building a reputation through LP concerts and innovative designs that resonated with audiophiles.

The brand excels in premium home audio, renowned for AV receivers, hi-fi amplifiers, and surround sound speakers that deliver exceptional clarity and power. Its portfolio spans turntables, DACs, headphones, and cables, bolstered by acquisitions like Pioneer's home electronics division in 2015, enabling cutting-edge integrations such as internet radio and high-resolution streaming.

Onkyo holds a solid mid-tier position in the hi-fi market, prized by discerning buyers for reliable performance and value rather than ultra-high-end exotica. Despite bankruptcy challenges in the late 2010s, its revival under new ownership preserves a legacy of technological innovation and pure sound enjoyment, appealing to both vintage enthusiasts and modern home cinema setups.

See all Onkyo listings on RADAR.

More P-304 listings