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The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Tubes4hifi VTA tube amp and preamp kits and all Dynakitparts.com products


    Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ...

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    oldsmobuick

    Posts : 12
    Join date : 2015-03-20

    Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... - Page 2 Empty Re: Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ...

    Post by oldsmobuick on Fri Mar 20, 2015 1:51 am

    Question: my PC6 board from T4HF has the .047 caps as 0.10 caps (unless I am remembering wrong?). Is this by design? Thanks!
    tubes4hifi
    tubes4hifi
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    Join date : 2008-11-30

    Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... - Page 2 Empty Re: Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ...

    Post by tubes4hifi on Fri Mar 20, 2015 2:39 am

    yes, the board works the same with the larger capacitor value
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    oldsmobuick

    Posts : 12
    Join date : 2015-03-20

    Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... - Page 2 Empty Re: Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ...

    Post by oldsmobuick on Fri Mar 20, 2015 2:41 am

    Thanks Roy! Really enjoying the boards!

    -Nick
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    oldsmobuick

    Posts : 12
    Join date : 2015-03-20

    Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... - Page 2 Empty Re: Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ...

    Post by oldsmobuick on Wed Mar 25, 2015 8:59 pm

    One more question, on the layout above there is a 4M7 resistor on PC6. Does that come as a 2M resistor these days? Or maybe I didn't swap the 4M7 back in after I tried the Curcio RIAA mod. I have a 2M there but wanted to go back to a stock PC6 board circuit.
    tubes4hifi
    tubes4hifi
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    Posts : 1667
    Join date : 2008-11-30

    Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... - Page 2 Empty Re: Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ...

    Post by tubes4hifi on Sat Apr 04, 2015 4:57 am

    it's hard to find a 4.7M resistor these days, and the 2.2M actually gives a slightly better RIAA EQ for the phono section.

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    Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ... - Page 2 Empty Re: Board layouts for the PC-5 line stage and PC-6 phono board on the PAS preamps - photos ...

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