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McChanson 300B Integrated Amplifier (Valve) My lovely Eric McChanson 300B is up for sale. Fitted with a matched pair of PSVane 300B tubes a Brimar rectifier tube and General Electric 6EM7's the sound is relaxed laid back and smooth as silk, enjoy the multitude of other tubes available to 'tune' the sound to your taste. I would prefer collect and if collecting (safer option) you can hear this lovely amplifier currently driving a variety of speakers. Postage is at buyers expense. It is only surplus as I am upgrading to a different tube amplifier. There are a few paint scratches here and ther
If this is the current Eric McChanson 300B line rather than an older one-off, A$865 looks fair to slightly good rather than a steal, with the main question being how complete and healthy it is. A close local benchmark is the A$700 asking price seen for a McChanson tube amp in Australia, so A$865 is still in the same ballpark for a niche, hand-built valve piece, but not low enough to call a bargain without more detail.
The upside is that McChanson gear has a solid reputation among tube fans for a clean, lively presentation and enough drive for demanding headphones, so the appeal is very real if you want a 300B-flavored amp. For a used 300B, I’d want confirmation it’s fully working, quiet at idle, and comes with the proper tubes and power setup, because condition matters a lot more than cosmetics on this kind of gear.
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.
See all McChanson Audio listings on RADAR.
StereoNET
Very good
StereoNET
Excellent
AU
StereoNET
Excellent
AU
StereoNET
StereoNET
AU
StereoNET
AU
