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  1. E

    Phase Linear 400 issue help!

    hey laatsch, I came down with something that kicked my ass!! I'll take pics tomorrow but not sure what you can see from them.
  2. E

    Phase Linear 400 issue help!

    I think I may be done messing with this amp. I replaced just one of the pots and its made no difference. Now when plugged in its not even getting warm. so maybe other transistors are bad. like the Q7, Q8, Q9, Q10.
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    Phase Linear 400 issue help!

    I picked up some of those mini test clips and work awesome
  4. E

    Phase Linear 400 issue help!

    Well theyre the right size Ill have to extend the leads some how
  5. E

    Phase Linear 400 issue help!

    $HIT these new pots are a lot smaller than the originals. The originals are 5K right?
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    Acoustat X amp question

    Not sure I'll have to open them up and take some pics. They came to me by the way of a long term friend of mine. He got them from someone he knows very well and had them in storage for many years. They came from Jimi Hendrix's manager's house a long long time ago. If they could only talk! My...
  7. E

    Tell me what you think

    Picked up the pots today so I'll change them and see if I can finally adjust the bias.
  8. E

    Phase Linear 400 issue help!

    Mouser is showing 6 different 5088's. Which one am I looking for? Also whats the model number of the pots I'm looking for?
  9. E

    what are you listening to?

    Joe Rogan Experience podcast
  10. E

    Acoustat X amp question

    Does anyone know what this knob does? I don't see it in any of the pics I've researched on the web and it's not labeled. Its the one below the inputs on the right. It has 6 positions. All the knobs match so I don't think it was added but the knobs could have been changed. I don't know why you...
  11. E

    Tell me what you think

    Yes sir, he is. How did you find him with that cryptic user name, damn your good!
  12. E

    Phase Linear 400 issue help!

    I have some leads with alligator clips on the ends. So I replaced the transistors and at least the readings are much closer at 67.8mV left, 46.2 mV right. Better than the 206mV left, 60mV right. The pots are still not adjusting the bias so I'm going to order new ones and the 2n5088 transistors.
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    Phase Linear 400 issue help!

    I only picked up the the transes for test purposes since the only place by me has the NTE brand. I will be just connecting them long enough to to see if I can adjust the bias. I did not get the pots because again they would be NTE but the pots are working 0-5K. I know that doesn't always mean...
  14. E

    Phase Linear 400 issue help!

    Picked up the test transistors at lunch today. Looking forward to popping them in and seeing if the bias adjusts.
  15. E

    Linear Tracking

    Great idea North iIll start looking for carts as well
  16. E

    Linear Tracking

    Here's some background http://www.roger-russell.com/sonopg/micropg.htm
  17. E

    Tell me what you think

    no problem
  18. E

    Concept 2QD just finised and now for sale

    He has me trying to get a hold of a guy with a PL-530 in desperate need of a rebuild.
  19. E

    Tell me what you think

    tape pics
  20. E

    Tell me what you think

    Fitz, I bought them at Walmart in the automotive section for around $10. They are 10cm long and can be shortened to half size. They're flexible and have adhesive tape on the bottom. They come in white, blue and red. They are 12v and designed for interior and exterior use. I was going to use a...
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