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Old 11th September 2011, 11:56 AM   #1
tadiam1 is offline tadiam1  Argentina
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Join Date: Dec 2009
Location: argentina
Default any question...some questions?

1...TO3 best transistors for an 25w amp?
2...an sweet preamp for this amp?
thanks
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Old 11th September 2011, 01:04 PM   #2
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Join Date: Sep 2004
Location: hobart tasmania
So many variables and unknowns, a bit like I have some shoes where should i walk ?

a 2n3055 is a readily available TO3 as is a MJ15003 PSU Voltage ? Topology? Current Bias? Differential pair ? Opamp ? You could study many of the fine Solid State Amps published at DIY Audio

A simple L pad arrangement resistor preamp usually works straight away.

Cheers / Chris
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