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  1. Tremaine

    Power Supplys for Fools

    See, i was right all along, well now that, that is solved i guess we can all move on. tl07X family Typical values of Basic Parameters: Slew Rate: 13V per microsecond Noise: 18 nanovolts per root Hertz Rail Voltages: +/- 2V min, 15V max Input offset: 2 mV Input Resistance: 1 TeraOhm (! On a dry...
  2. Tremaine

    Power Supplys for Fools

    Troll onward! ok, so im not gunna stop trollin! "i like it." <in the words of my son> i understand this is the output section of the mixer, does it look like it will work? is it worth my effort. i get how most of it works, i've been staring at a behringer i got off ebay for 2 weeks, mx1604a...
  3. Tremaine

    Power Supplys for Fools

    Acid..er.. LSD: thanks for the book, i bookmarked it, gunna get it soon, but im on 56k pulling 28k and the book is 45mb, must have lots of good pic;s, i'll Download it when i get the speed. thanks again dude, this is what i was looking for. As for pic's, i got one i found on the net... but...
  4. Tremaine

    Power Supplys for Fools

    High guys. I've been researching op amp's and effect pedals, but im having a hard time finding any beginner info on power supplys. i got a bunch of junk lying around, ie: wall warts and transformers, but i dont know how to figure out what i need to power my imaginary mic amp and pedals. So a...
  5. Tremaine

    Mixer Circuit Board TroubleShooting

    Victory is ours! the conclusion. So i found some info on alps faders, found the parts number and all, and also found out its a stereo fader, thou its mostly used in mono on my mixer, only one side is hooked up. Im going to order one, adventually. $10, im gunna try and find a better one that...
  6. Tremaine

    Audiovox Stereo Graphic Equaliser Booster becomes a Two channel Mic Preamp

    Thank you. Thats just what i needed to hear, you know, your not such a bad lifeform, for a minion. i cant turn down high end junk, even if its broken, so i probably got something good enuff lying around. Im sure you'll see me pop up on another forum soon. and i think i will buy at least...
  7. Tremaine

    Mixer Circuit Board TroubleShooting

    btw: the residue around the big caps is not glue, its a light smoke stain, but i think it probably built up over a long time.
  8. Tremaine

    Mixer Circuit Board TroubleShooting

    fad-0172 I found the part number, 60mm mono 50k alps, fad-0172 <fad-0173=stereo> but i cant find a layout for it, no pdf like IC's have. I figure they arnt all wired the same so perhaps i can get a little insight from someone? i guess the part is made for behringer gear only. im assuming its...
  9. Tremaine

    Mixer Circuit Board TroubleShooting

    Short Fader So i was poking around inside the mixer somemore, with my fingers and a knife, witch i found more percise then a screw driver, and i learned a couple things. first off my finger dont make sparks! probably cause im grounded? I noticed the mic modules <sp> get quite warm, when theres...
  10. Tremaine

    Audiovox Stereo Graphic Equaliser Booster becomes a Two channel Mic Preamp

    Op Amp's, hiding in junk. right on, thanks for the direction, im looking into the 'power amp' i've been reading up on op amps, im gunna buy some tl071 IC's and sockets off ebay <from tiawan 11.00 for 20 of each> then i can upgrade later. buying a proper pencil soldering iron too. <6$> im...
  11. Tremaine

    Mixer Circuit Board TroubleShooting

    per/post fader jumper?! hey MsH, thanks for clearing up the 9volt thing, i dont know where i got that idea, but i retty much gave up on using my DMM, until you said that. So anyone have anyideas about the alt post/pre thats un-soldered, its the first channel, so it could effect all my stereo...
  12. Tremaine

    Audiovox Stereo Graphic Equaliser Booster becomes a Two channel Mic Preamp

    credit Minion: thats awsome, builting your own gear. you must have went to school eh? you ever try to patent something? i just had a random thought, i wonder how much you guys battle on ebay for parts and gear, maybe we should make a law that only one person from this site is allowed to bid on...
  13. Tremaine

    Audiovox Stereo Graphic Equaliser Booster becomes a Two channel Mic Preamp

    free idea, no copyright infringments Well it was my brillant idea, and a gift to the diy community. but now i guess its a joke. at least i didnt break anything. Minion, any chance you could give me a lead <name> of the premade Modules, i could use a drum mixer, and a good beginner project...
  14. Tremaine

    Mixer Circuit Board TroubleShooting

    aux 2 pre/post soilderless?!?!! I must say im glad to see some input, its much apre see a ted <even if i cant spell it.> "Bob said he ain't gonna get hooked into this"? = your quote "Thats it for me in this thread. I'll only eat the bait once .... voxxy" i didnt realise it was a quote...
  15. Tremaine

    Audiovox Stereo Graphic Equaliser Booster becomes a Two channel Mic Preamp

    I tryed it! So i black taped the power wires to the power supply, then made sure none of the 10 loose wires were touching, flicked on the power, it was a go. Then i wire a intrument cable into one side of the tapedeck, i used instrument cable because i didnt have any old hacked mic cables...
  16. Tremaine

    Audiovox Stereo Graphic Equaliser Booster becomes a Two channel Mic Preamp

    additional information I just reread that, and realised i did not mention, that the EQ is question, is built for a car stereo system. i thought it might be important to mention. Later World, Peace. Tremaine
  17. Tremaine

    Audiovox Stereo Graphic Equaliser Booster becomes a Two channel Mic Preamp

    Ok maybe im a fool, but im not the only one. i got a Audiovox Stereo Graphic Equaliser Booster Amp 760 20W+20W, and i want to try to turn it into a mic preamp. i have no idea if this will work but audio is audio, i think?!? so my plan: I got an old laptop supply thats 12v and 3 amps, 40w...
  18. Tremaine

    Mixer Circuit Board TroubleShooting

    the battle rages on thanks for your time people, i appreate it. Most of what i've read basically said "dont bother, your an idiot for trying, give up before it sends you to the looney bin." im probably half way there now, but it hasent beat me yet. ""..... so that's gonna likely be a bad...
  19. Tremaine

    Mixer Circuit Board TroubleShooting

    thank you Thanks for your reply. but, i would like to make a couple pedals or effect boxes, i found so designs on the world wide web of lies. and i got a bunch of old house amps, and what not lying around. im gunna try to make something out of their guts. i chucked a couple computers together...
  20. Tremaine

    Mixer Circuit Board TroubleShooting

    35v 1000uf I've stared at it for hours now, there are burn stains on the case, looks like it took along time to build up, theres also some residue on the side of one of the 35v 1000uF 85'C caps, near the power in. this cap is within 1/8" of the heat sink, and the heat sink gets hot enuff that...
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