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Search results

  1. D

    Texas star 667v " bias issues"

    Yep, fired it up last night with my cobra 148, seems to be working just the way it is supposed to ! Gonna need to get or make a fan kit for it though gets pretty warm of coarse. Thanks everyone for the help !
  2. D

    Texas star 667v " bias issues"

    Thank you for your help as it is greatly appreciated!
  3. D

    Texas star 667v " bias issues"

    I blew out the amp and looked for any other solder particles, everything looked good so I applied power to the unit and no magic smoke this time lol, I manually keyed it and checked voltage at all bases and had around .644 vdc so I am assuming this is good enough? Will keep close eyes on that...
  4. D

    Texas star 667v " bias issues"

    Looking better now, and yeah that was a loose piece of solder splatter and I will be looking over the rest of it more closely, thanks guys
  5. D

    Texas star 667v " bias issues"

    Yes, I didn't see that, I will be going over it well now !
  6. D

    Texas star 667v " bias issues"

    Yeah unfortunately, they were all matching until it blew when I applied power last time dang it
  7. D

    Texas star 667v " bias issues"

    What's your recommendation before I apply power back to this baby Elderado ? I am going to zero out my meter tonight and come back with the results, it may be ok this time hopefully
  8. D

    Texas star 667v " bias issues"

    Thank you for that info as I didn't know I could zero it out !
  9. D

    Texas star 667v " bias issues"

    Your correct
  10. D

    Texas star 667v " bias issues"

    However, this is about the measurement I had before on power up and the unit went up in smoke,,,,, so with that being said if the 2290 driver was bad and shorted or the 6.8 ohm resistor on it was faulty would that have taken out the 2 pills on the front board ???? I would of thought if the 6.8...
  11. D

    Texas star 667v " bias issues"

    I put the correct resistors back in the unit and am getting 2 ohms on all bases, subtract the 000.6 and I guess I am there where I need to be
  12. D

    Texas star 667v " bias issues"

    If something was up with the driver pill and or the 6.8 resistor on it would that cause the damage to the 2 pills on the front board probably?
  13. D

    Texas star 667v " bias issues"

    I also got .0006 with probes together so subtract that and it would be 2.7 I guess
  14. D

    Texas star 667v " bias issues"

    I got same reading with 2 different meters, time to buy a Fluke I think, dunno
  15. D

    Texas star 667v " bias issues"

    I had purchased it used, 3 of the Toshiba 2879 tested bad after I removed them. I also believe the 2290 driver was also bad however I didn't remove it at the time due to the pain in the butt it is, now I wish I had from the beginning because maybe that's why it went up in smoke perhaps. I never...
  16. D

    Texas star 667v " bias issues"

    I am going to put the resistors back in the unit like I had it before and test again, I should be subtracting the 000.6 ohm from my readings then or grab my other meter and check again probably
  17. D

    Texas star 667v " bias issues"

    Pics per request and yes my multimeter read up to 000.8 ohm with the prongs together and I know the resistors are not to be doubled up like they are, I am just testing this to see if I could get better readings. It didn't test as bad today as I thought it did before but I bet it will go back...
  18. D

    Texas star 667v " bias issues"

    Yes sir, I will post a pic of the amp later tonight, and yes I need to invest in a fluke but it seems for the most part the cheapo meter I have has been pretty accurate as I just got finished doing the same procedure to a sweet sixteen and had no issues and came up with correct readings ‍♂️...
  19. D

    Texas star 667v " bias issues"

    No, once all the resistors are in circuit the measurement is taken from the input transformer or " transistor bases" to ground and then should come up with a reading of 1.5 ohm or Slightly less. I am kinda confusing some here because I checked my new bias resistors before I installed them and...
  20. D

    Texas star 667v " bias issues"

    I will double check this just because and get back with you however I did try 2 different meters with the same results