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Old 31st December 2012, 12:29 AM   #31
jaycee is offline jaycee  United Kingdom
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Pretty much all of the good old TO-126 parts for VAS are now obsolete. Their mainstream purpose was CRT drivers, and this role is now obsolete by the fact that CRT is obsolete, and before that, they were made obsolete by CRT driver IC's such as LM2470. There's pretty much only Fairchilds KSA1381/KSC3503, and they are becoming a pain to get. I'll be willing to bet Fairchild discontinue them soon, too.

SMD parts are inevitable in this hobby I think. Fortunately they are not all microscopic and impossible to use. SOT223 isn't that small. It's not impossible to heatsink them.
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Old 31st December 2012, 08:43 AM   #32
Telstar is offline Telstar  Italy
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Linesource, nice amp
Do you mind sharing the schematic , esp of the protection?
"The total harmonic distortion is not a measure of the degree of distastefulness to the listener and it is recommended that its use should be discontinued." D. Masa, 1938
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Old 31st December 2012, 09:14 AM   #33
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Originally Posted by Telstar View Post
Linesource, nice amp
Do you mind sharing the schematic , esp of the protection?

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