AD Audio
09-04-2025, 11:16
HI, for sale here is my Tresham sr402 power amp which packs 250watts rms into 8 ohms rising to 550watts into 2ohms. Damping factor is 150. The amp has been fully recapped with Nichicon Gold Tune and other high spec capacitors. The main filter caps were around £200 alone. As well as replacing all electrolytic capacitors the output protection relays were also replaced.
These amps have an interesting history. Originally built by a company called Tresham they were built for both studio and hifi use. the amp gained a reputation for great sound quality and ruggedness, with great output /over-heating protection built in. The amp sounds fantastic and is good enough to make me question my allegiance to valve amplifiers. The bass output is just stunning and perfectly controlled. In fact, the amps sounded so good with Tannoy speakers Tannoy bought the company and continued production for a while with the amp badged the Tannoy SR 804!
£690 no box so pick from London
https://i.imgur.com/LLtlCyRl.jpg
https://i.imgur.com/U9j0Zbkl.jpg
These amps have an interesting history. Originally built by a company called Tresham they were built for both studio and hifi use. the amp gained a reputation for great sound quality and ruggedness, with great output /over-heating protection built in. The amp sounds fantastic and is good enough to make me question my allegiance to valve amplifiers. The bass output is just stunning and perfectly controlled. In fact, the amps sounded so good with Tannoy speakers Tannoy bought the company and continued production for a while with the amp badged the Tannoy SR 804!
£690 no box so pick from London
https://i.imgur.com/LLtlCyRl.jpg
https://i.imgur.com/U9j0Zbkl.jpg