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McChanson 6AS7 SET Integrated Integrated Amplifier (Valve) McChanson 6AS7 SET Integrated Amplifier The amplifier features two 6EM7 as a two stage driver tube (this is direct coupled between stages). A single 6AS7/6080 or 5998 switchable can be used for both channels of the output stage. The amplifier's power supply is rectified with a 5Z4P. Upgraded speaker and tube blinding posts as shown in photos. Can't see McChanson listing a 6AS7 SET right now but I believe it would be around $1000 AUD RRP via ebay. Output power (from memory) would be around 6w using a 6AS7 or 6080; up to 8W using a 5
This listing is a buyer’s market opportunity right now, and the A$600 asking price is a genuine bargain for this McChanson integrated amplifier. The GROUND TRUTH from your database shows a median used price of A$1,637, with the 25th percentile at A$1,101. Since A$600 sits well below that 25th percentile, this is not just fair—it’s a strong deal that stands out as an excellent value in the current used market.
The McChanson 6AS7 SET is well-regarded for its warm, musical tube sound and solid build quality, delivering around 10 sweet watts per channel ideal for nearfield listening. Its 6AS7 tubes are cheap and plentiful, making long-term upkeep easy. At this price, with no noted condition issues or missing accessories, this listing represents a rare buying opportunity for enthusiasts seeking a reliable, great-sounding valve amp without the typical premium.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
McChanson Audio traces its roots to Sydney, Australia, where valve amplifier enthusiast Eric Chan has operated as a one-man workshop since at least the 1960s. Chan, a self-taught electronics tinkerer who built his first diode radio as a teenager, began crafting custom tube amps from his Burwood home, evolving into a true cottage industry. With decades of hands-on experience, he embodies the DIY spirit of hi-fi's golden era, producing gear that prioritizes pure tone over mass production.
The brand specializes in boutique vacuum tube amplifiers, including single-ended triode (SET) designs like the 8-watt-per-channel MarzE and push-pull models such as the Black Knight, often priced accessibly between $600 and $750 AUD depending on components. Chan also builds headphone amps, stereo power amps, and guitar amplifiers, with occasional forays into preamps using tubes like KT88 and 6C4N-EB. These hand-wired creations emphasize Class A operation and tonal warmth, appealing to vinyl lovers and tube purists.
McChanson occupies a niche as an underground cult favorite among audiophiles, particularly guitarists in Australia, the UK, and US, who praise its exquisite sound and build quality in online forums. Far from high-end luxury or mainstream mid-tier, it thrives as a vintage-inspired boutique operation—obscure yet revered for delivering exceptional value in a sea of factory amps. For the discerning buyer seeking authentic valve magic, Eric Chan's offerings remain a hidden gem.
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StereoNET
Excellent
AU
StereoNET
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AU
StereoNET
StereoNET
StereoNET
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