# BHK Preamplifier Tubes

**URL:** <https://forum.psaudio.com/t/bhk-preamplifier-tubes/20390>\
**Category:** Preamplifiers\
**Created:** [December 1, 2020, 11:10pm UTC](https://forum.psaudio.com/t/bhk-preamplifier-tubes/20390 "2020-12-01T23:10:37Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![thiefoflight](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.psaudio.com/thiefoflight/32/233710_2.png) [@thiefoflight](https://forum.psaudio.com/u/thiefoflight)\
**Post date:** [December 3, 2020, 8:33pm UTC](https://forum.psaudio.com/t/bhk-preamplifier-tubes/20390/10 "2020-12-03T20:33:54Z")

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Bascom initially recommended the same Tungsram tubes as you link to. I have two sets of them myself, but now I use adapters to use Sylvania VT-231. It’s just as musical with better performance at the frequency extremes.

This topic has been well covered. You can read suggestions for days:

> [@BHK Preamp tube rolling](https://forum.psaudio.com/t/bhk-preamp-tube-rolling/3403):
>
> After a bit of a search, I haven’t found much about tube rolling experience with the Preamp. It would be interesting to hear what changes have been noticed switching out of the stock tubes to, say, the Tungsram.

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