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Sugden A48B

Today I bought RGA's Sugden A48B which he had traded in on a new Audio Note Otto. The A48B doesn't sound quite like the Otto but it sounds very good in its own right and there is quite a price difference.
This A48B runs pretty cool and I suspect that the bias current is set too low. Does anyone know the correct bias current setting for the A48B? For that matter, does anyone have a circuit diagram or a service manual?
Regards
David


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Topic - Sugden A48B - energyandair 20:04:57 02/17/05 (4)


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