RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Should you jump on a US$100 ask when the recent comp median is US$162 and even the 25th percentile is US$139? Yes — this is a strong deal, sitting clearly below the lower quartile and well under the typical market for this piece.
That makes it a smart buy if you want a modest, practical tube buffer with the usual Amperex appeal: the 6DJ8 family is widely liked for its smooth, lively midrange and easy tube-rolling potential, and the buffer format is a handy way to add a little tube flavor without committing to a full preamp. At this price, the main thing is confirming it powers up quietly and that the tubes are genuinely included and healthy; if it’s clean and functional, this is the kind of listing that’s easy to justify.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Amperex Electronic emerged in the mid-20th century as a pivotal player in the vacuum tube industry, originally established in Brooklyn, New York, at 79 Washington Street as a manufacturer of transmitting tubes. Around 1955, the Dutch firm Philips acquired it, expanding operations and relocating to a new facility in Hicksville, New York, in 1953, which served as headquarters for North American Philips until its closure in 1989. Under Philips, Amperex bridged the era of tube dominance to the transistor age, distributing high-quality miniature tubes to fuel America's postwar hi-fi boom.
The brand specialized in vacuum tubes, particularly receiving types like the 12AX7, 12AU7, and 12AT7, which powered amplifiers from iconic marques such as Marantz, Fisher, and H.H. Scott. Amperex's crowning achievement was the 1958 6DJ8 (also known as ECC88), initially developed for video and radar applications but revered in audio for its high transconductance. Variants like the 6922 and 7308 frame-grid tubes, including the "Bugle Boy" series and later map-etched models, offered exceptional noise rejection, balanced tonality, and soundstaging.
Today, Amperex holds vintage-collector status among audiophiles, prized for its "sweet and airy yet full and solid" sound that endures in tube rolling and restoration projects. No longer in production, its tubes command premium prices in the niche market for golden-era hi-fi components, embodying the craftsmanship of a bygone analog pinnacle.
See all Amperex listings on RADAR.
