Dynaco SCA-35 Integrated Amplifier (Valve)
- Location
- AU
- Source
- StereoNET
- Posted
- 17 Jun 2026
- Last seen
- 11h ago
RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Fully refurbished with new Transformer.Has the improved Dave Gillespie upgrade.I have owned this unit 15 years.Distortion measured at .44%Has a provision for a Sub out.Great sounding Valve ampLots more money spent than asking
Compared with the obvious alternative of hunting for a clean, working tube integrated, A$1,000 is above the local middle of the market, not wildly off, but it does sit over the A$963 75th percentile for recent AUD listings. Against the A$927 median and A$890 25th percentile, this is a bit ambitious unless the amp is exceptionally tidy, freshly serviced, or comes with strong proof of a careful restoration.
The upside is that this is a well-regarded little tube integrated with a cult following for its engaging, lively sound and compact format, so a good example can be very satisfying in a second system or with efficient speakers. The big question is condition: with a vintage valve amp, service history matters more than cosmetics, and a properly sorted unit can be worth paying up for, while an unverified one at this price should still invite close checking of capacitors, transformers, hum, and channel balance.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Dynaco emerged in 1955 from Philadelphia, Pennsylvania, when hi-fi pioneer David Hafler partnered with engineer Ed Laurent to form the Dyna Company. Hafler brought expertise from his earlier Acrosound venture, which produced high-quality output transformers starting in 1950. The duo targeted the burgeoning hi-fi market with affordable, DIY-friendly kits, launching the Mk II 50-watt tube amplifier shortly after incorporation and relocating to a former chocolate factory for expanded operations.
The brand specialized in tube amplifiers that defined its legacy, including the iconic Stereo 70—over 350,000 units sold—alongside models like the Mk III. Dynaco expanded into FM tuners such as the FM-1, bookshelf speakers like the A-25, solid-state amps, and innovative systems like the Dynaquad for simulated four-channel sound. Late-1970s efforts included the Phase III speakers, though the company shifted toward kits and components emphasizing value and performance.
Dynaco holds a revered position as the era's top-selling tube amp maker, beloved by budget-conscious audiophiles for reliable, high-value hi-fi. Liquidated in 1980 after Hafler's sale to a toy firm, its vintage gear remains a collector's staple, with later revivals by Panor Corporation producing replicas for tube enthusiasts seeking that classic warmth and build-it-yourself appeal.
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