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At US$2,000, this sits well above the typical used range and looks ambitious rather than fair.
That said, the Tri 88 Signature is the kind of integrated tube amp buyers chase for its spacious, engaging presentation and strong musical drive, so a clean, well-kept example can still make sense if it’s fully serviced and complete. The real value here depends on practical details: recent tube health, bias stability, service history, original packaging, and whether it’s been used gently. Without those, this price asks a lot; with them, it may still appeal to someone specifically wanting this piece and willing to pay for condition and provenance.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Triode Corporation is a Japanese audio brand founded in 1994 by Jun-ichi Yamazaki in Koshigaya, Saitama, where it began as a small garage-based operation. Its roots are firmly in tube audio, with the company’s identity built around vacuum-tube design and a long-running focus on delivering natural, musically engaging sound at accessible prices.
The brand is best known for tube amplifiers, especially integrated amplifiers and other valve electronics. Over time, Triode expanded from its early lineup into a broader family of tube products, including higher-end models such as the JUNONE, MUSASHI, and TRZ-300W. It is not primarily known as a maker of speakers, turntables, DACs, headphones, or cables; its core reputation remains centered on amplification.
In the market, Triode sits in a specialist niche between affordable enthusiast gear and more ambitious high-end tube designs. Its products are generally associated with solid build quality, reliability, and an appealingly traditional sonic character rather than mainstream mass-market positioning. For buyers who want Japanese tube amplification with a vintage-leaning ethos and a clear value proposition, Triode is a credible and recognizable name.
See all Triode Corporation listings on RADAR.
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