Anyone Used Other Tubes in Tube Active Preamp?

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RW35

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Anyone Used Other Tubes in Tube Active Preamp?
« on: 18 Aug 2009, 04:41 pm »
Hello...

I tried 7308s but got buzzing and ocillation (they can't handle the higher current).

Does anyone know if a restistor mod is possible for heater current and if any other factors need consideration?

I find the 6N1Ps (tried various types, inc the rocket logo EBs) a little hollow in the mids, which makes music sound just a little distant and un-personal - does anyone else notice this?

I've tried 6BQ7As as these have similar heater current to 6N1P, they sounded pretty good, but I would like to hear it with 7308s

System: Pathos Endorphin CD, Silk TVC (volume pot), Promitheus Tube Active Line Amp, Revel B15 Subs X 2, ATC SCM50ASL Monitors


tanchiro58

Re: Anyone Used Other Tubes in Tube Active Preamp?
« Reply #1 on: 26 Aug 2009, 03:54 am »
Hello,

You should ask Nick about this. He would not hesitate to help you.

Here is the link for the tube replacement for your tube active preamp:

http://www.audiocircle.com/index.php?topic=67195.0

Good luck,
Tan