Paramount 2a3 Conversion Q

Tickwomp · 2508

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Offline Tickwomp

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on: July 20, 2011, 04:31:18 PM
I'm in the process of installing the soft start circuit in my Paramounts in preparation to using the EML 2a3 output tubes and was wondering how the soft start circuit changes the conversion.   Should I just ignore the steps regarding the replacement of the driver cathode driver LM431 and LED change out?

Thoughts?


Mach2 Mac Mini->Amarra Mini-> Chronos Athena USB Cable->Audio Note 4.1LE DAC->24ga Ag w/WBT0101ag ICs-> Audio Note L4 Remote->24ga Ag w/WBT0102Ag ICs-> Paramounts w/MQ Nickel Opts and EML 2a3 Mesh Plates->16ga Ag Bi Wire->Klipsch RF-7 w/DeanG Mods

Offline Grainger49

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Reply #1 on: July 21, 2011, 02:19:57 AM
No, Paully is running his Paramounts with a 45 output and did the complete conversion.  The soft start puts the TL 431s in both cathode circuits of the driver tube on the circuit board.  The one that you remove, and replace with the one on the board, allows for biasing the driver tube so that any tube works well.


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