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9th September 2008, 04:09 PM
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diyAudio Member
Join Date: Mar 2007
Location: Istanbul
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se max voltage
hi..i have some questions for experts..please dont answer if you are not an expert
 1-how we decide the max or best voltage supply value of single ended symmetrical class a amps?(for this amp with irfp240 transistors) 2-i replaced irfp240 instead of irfp 150 in this circuit.mids and trebles increased and bass reduced..but i always see positive offset of 150mv..i can reduce it to 100mv only by playing trimpots..i can not reduce it anymore..which values of resistors should i change? 3-what is the technical criterias of sound quality for transistors? is it low input capacitance?or low Qg? thanks best regards umit |
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