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In Reply to: How well do amps age? posted by husafreak on February 6, 2016 at 16:43:45:
Here's some information on Harbeth's website regarding amp aging..
An often overlooked characteristic of power amplifiers is 'ageing'. That means that the performance of the amplifier will permanently drift away from the 'as new' specification with the passing of time due to the ageing characteristics of the components especially when the amplifier runs hot.
Amplifiers should be re-tuned during their working life - perhaps every 5-10 years? - to be sure that the frequency response, distortion and noise specs are as intended. Some designs have self-tuning circuitry and are less effected by ageing, but wet-type capacitors do inevitably dry out and this can not be fully self-corrected. Vintage amplifiers can be great fun to own but common sense says that after 25 or more years all electronic systems need specialist servicing to return them (close) to original specification.
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Follow Ups
- RE: How well do amps age? - digepix 05:39:40 02/08/16 (0)
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