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Thread: Anybody have a copy of the Copland CTA-402 Manual please ?

  1. #11
    Join Date: Jun 2020

    Location: Shrewsbury

    Posts: 7
    I'm Ben.

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    Did you ever find a manual? I've just picked one up and I'm looking for a manual too! I'm sure Shergar would have been easier to find...

    Sent from my CLT-L09 using Tapatalk

  2. #12
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 6,089
    I'm Alan.

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    You lot don't look very hard do you?



    There are two pots for each channel, one for each output valve. Circuit shows 450mV across the cathode resistor as the correct setting.

    Valve lineup ECC83 x2, ECC82, EL34 x2 per channel.
    I love Hendrix for so many reasons. He was so much more than just a blues guitarist - he played damn well any kind of guitar he wanted. In fact I'm not sure if he even played the guitar - he played music. - Stevie Ray Vaughan

  3. #13
    Join Date: Jun 2020

    Location: Shrewsbury

    Posts: 7
    I'm Ben.

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    I have the full schematics already, I should have made it clearer that I wanted the instruction manual (if there was one) to go with the unit. The schematics are no good to me as I won't be touching anything electrical until I'm shown. Wiring a plug is my ability level at the minute! Ha

    Sent from my CLT-L09 using Tapatalk

  4. #14
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 6,089
    I'm Alan.

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    No worries it is quite simple to measure and adjust the bias..
    I love Hendrix for so many reasons. He was so much more than just a blues guitarist - he played damn well any kind of guitar he wanted. In fact I'm not sure if he even played the guitar - he played music. - Stevie Ray Vaughan

  5. #15
    Join Date: Jul 2017

    Location: Pinecrest, FL, USA

    Posts: 192
    I'm Horacio.

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