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McChanson 300B 8 Watt Speaker & Headphone Integrated Amplifier TOTL McChanson 300B HP & Speaker 8W Amplifier + Psvane WE300B Tubes   Top of the line upgraded custom handmade Eric McChanson 300B 8 Watt Headphone and Speaker Amplifier with TimE transformers, TimE Interstage Transformers (no coupling caps), CMC tube sockets RCA, speaker posts, Blue Alps Pot and dual choke transformers (50% less hum for lower impedance headphone or 100dB speaker sensitivity use etc). Same amp to build new is over $3k before the $1.5k+ AUD land Psvane WE300B from Tube Amp Doctor so sale price is firm.   It’s one of

Our Thoughts RADAR AI

At A$2,599, this McChanson 300B 8W integrated amplifier sits ambitiously above the typical used market for this model, clearly exceeding the 75th percentile of A$2,229. While building a comparable new unit costs over A$4,500 (A$3,000 for the chassis plus A$1,500+ for premium WE300B tubes), the asking price is firm and lacks the bargain appeal of listings near the median or 25th percentile.

This amplifier is well-regarded for its warm, natural 300B triode sound and robust build quality by veteran maker Eric McChanson, offering genuine 8W of single-ended power ideal for sensitive speakers. The A$2,599 price reflects a clean, original-owner condition with no noted failure points, making it a worthwhile buy only for enthusiasts prioritizing this specific tube character and rare handmade pedigree over immediate value.

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

About McChanson Audio

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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