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3rd February 2013, 05:18 PM
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#1 |
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diyAudio Member
Join Date: Aug 2012
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2sc5200 1943 can be biased more in class A a/c SOA
I have seen the datasheet of 2sc5200 for which
at lower voltages like 30V the collector currents are rated pretty high as high as 4Amps in that case after observing the hiraga super class A 30W project its said that Hiraga is biased at 1.75Amps so in that case i have observed the SOA of the transistor and found that so why cant 2Amps of bias current be used? can that be? |
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3rd February 2013, 05:35 PM
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#2 |
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diyAudio Member
Join Date: Jan 2011
Location: Fosser, Aurskog-Holand, Akershus, Norway.
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At wich voltage?
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Sooner or later you end up with TANDBERG |
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3rd February 2013, 05:40 PM
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#3 |
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diyAudio Member
Join Date: Aug 2012
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+/-30v
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3rd February 2013, 05:44 PM
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#4 |
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diyAudio Member
Join Date: Jan 2011
Location: Fosser, Aurskog-Holand, Akershus, Norway.
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Could work fine, but why should You increase the bias, as the transistors will work fine within their most linear area when having the bias Hiraga designed his amp at.
Yes, I am aware of that the Hiraga is supplied with +/- 35V
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3rd February 2013, 11:08 PM
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#5 |
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diyAudio Member
Join Date: Aug 2012
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just looking at the output current possibilities not in specific with Hiraga and thank you very much
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