Sugden A21 power amp class A

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Sugden A21 power amp class A

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For sale, power Sugden A21p, visual condition as per photo. Technically fully functional.
One of the best Sugden designs, definitely better than the integrated version, where the power section is the same, but the preamplifier part is at the budget level. Originally 25W in class A.
The amplifier has gone through modification. In order to increase the current efficiency, two high quality Hammond chokes and a pair of Epcos Sikorel 5000qF capacitors were fitted. No changes to topology. The whole is easily reversible by desoldering 4 wires. The cost of additional elements alone is over 150
Having the same two A21P at the same time, I can assure you that the upgade did not change anything in the sound signature, but definitely increased the level of dynamics and current efficiency of the amplifier. 

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Category: Sound and Vision:Home Audio and HiFi Separates:Amplifiers and Pre-Amps
Location: Stalowa Wola