white4d96 Posted November 26, 2009 Author Report Posted November 26, 2009 First off have a gut shot Now the problem area All these caps looked good... IDK if this is good or not but looked ok to me Oh, and, uh...what the hell is this thing? Too many projects, too little time...
brewer_brewer Posted November 26, 2009 Report Posted November 26, 2009 Oh, and, uh...what the hell is this thing? thats your BUTTERworth crossover. just a slab of good ole' butter. just playing. don't take that serious. REFS http://www.caraudioclassifieds.org/forum/itrader.php?u=2026 http://www.stevemeadedesigns.com/board/topic/44535-official-brewer-brewer-feedback/page__p__625998__hl__brewer__fromsearch__1entry625998 "you're not allowing natural selection to work, you're like the guy that invented the seatbelt"
white4d96 Posted November 26, 2009 Author Report Posted November 26, 2009 thats your BUTTERworth crossover. just a slab of good ole' butter. just playing. don't take that serious. Awesome, we need some for our potatoes Too many projects, too little time...
white4d96 Posted November 29, 2009 Author Report Posted November 29, 2009 I'm almost thinking the noise is coming from one of the banks of fets. I tried to get a video but my camera decided it didn't need to work anymore so no vid yet. I will try again tomorrow in the daylight. Too many projects, too little time...
white4d96 Posted November 30, 2009 Author Report Posted November 30, 2009 Okay, now the noise is completely gone. Amp still acts like shit, lost a ton of output, never sounds clean. but there's still no traces of damage on the board that I can discern. I am completely fucking confused. I don't know what to do. Is there a way to check the fets? Or something? Too many projects, too little time...
white4d96 Posted December 3, 2009 Author Report Posted December 3, 2009 Noise is back. Someone said it may be an overzealous suppression circuit, what do you guys think of that? Too many projects, too little time...
Boon Posted December 4, 2009 Report Posted December 4, 2009 It's one of 2 things - bad caps or bad solder joint on the power transformer. EDIT: Ugh didn't read your bit about lost output but still, this could be the cause. Open it up, grab the main power transformer (the colourful donut) and give it a decent tweak. Power the amp up again and see if the noise is gone. If it is, you probably need to re-solder the transformer. I think I can almost see a cracked joint in one of the pics but I can't be sure. 10.x volts fo' life!
white4d96 Posted December 5, 2009 Author Report Posted December 5, 2009 Tweaking the transformer didn't seem to alter the noise but it did seem to improve the sound. I'm tempted to just ship it to dB-R or someone and see if they can give it the once-over. They would send me a quote if they found an issue, correct? Too many projects, too little time...
white4d96 Posted December 7, 2009 Author Report Posted December 7, 2009 dB-R said some of the mosfets may have broken legs, but that the fets are no longer available and are not replaceable...=/ Too many projects, too little time...
white4d96 Posted December 8, 2009 Author Report Posted December 8, 2009 Okay still no idea, fet feet are fine, so confused... In the meantime, have a youtube. The sound didn't really pick up well, as i figured, but you may be able to pick it out if you really listen. EDIT: FAIL for not posting youtube DOUBLE FAIL for fail posting youtube Too many projects, too little time...
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