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I bought some 69's from copper in a pinch, $15 a pop kinda sucks but I like'em.
Copper Electronics, Inc.
The other 1969 listing is for the copies, tried ordering those to just to try them out but they were out, $6 was worth a shot but I have not not tried ordering them again.
As for...
Sounds like a shorted final in the 25, clipping the diode has nothing to do with it but a junk amp does. Did you buy this under the assumption that it worked or just take a chance on it? Unsolder and lift the middle leg of your final and see if it stops drawing power, if so replace the final.
Yea 17 watts is going real easy on it, 50 will wake it up. What meter are you using? It should easily do face value on any readily available pep meter.
Big diode right around were the hot lead goes to the board, no usually you can't check it in circuit because there are caps on the same line. Just cut it and see if you get power, you might get lucky and that be the case, as long as you don't hook it up backwards there is no risk of further...
See this is where you don't know as much as you think you do, the formentioned 148 does about 15w pep into a homebrew 1-1446x4-2879 that loafs along at a mere 650w pep, While I've seen it pushed to do around 1250w, I like to run it low to keep the temp down and the fact that 2879's are...
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