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#1 |
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diyAudio Member
Join Date: Dec 2011
Location: hawaii
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I'm getting ready to replace the 132-153/154 on my mcintosh 2100 circuit board but need help identifying the old part that is still on board rca 038 and 039. Which corresponds to 40409 and 40410? lizo
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#2 |
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diyAudio Member
Join Date: May 2009
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Listed in 1973 RCA data book. What would you like to know? They have a heat sink attached. 40410 PNP, -90V. 40409 NPN, 90V. 3W
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#3 |
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diyAudio Member
Join Date: Dec 2011
Location: hawaii
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thanks for your help!
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#4 |
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diyAudio Member
Join Date: Nov 2007
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I'm working on my own 2100, and I'm replacing those transistors with Fairchild KSA2690A/KSA1220A.
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