need schematic for speakercraft bb50 2 chan amp. Or the transistor part number for Q23 ( bl4h ) and Q33 (y...4x ). Both transistors appear to be blown !! Called the factory but no help !! Is it worth saving or should I trash it ??
Same Problem
Feb 20, 2009
-   I have a brand new Phoenix Gold 1230 speaker selector and it will not turn on. It has a hard short and blows the fuse immediately. -   dondschatz
hi wat is useualy parts defect wen i turn on my amp qsc mx700 the heatsink is so hot even i did not...
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hi wat is useualy parts defect wen i turn on my amp qsc mx700 the heatsink is so hot even i did not conect the speaker. pls help me hoe to fix thanks
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