In Reply to: the 6BL7 and 6BX7... posted by JJ Triode on March 11, 2007 at 20:26:35:
Be very wary with the 6BX7 since the filament takes double the current of a 6SN7. It will aslo give a cleaner bass due to the low Rp.
I would suggest an alternative solution in that you can fit a Lundhall input trannie: this can be configured to give 1:1 or 2:1 or even 4:1 without sacrificing the cleanliness or the dynamic range of the incoming signal. This resolves the problem of excessive gain when using horns.
I use the nickel core type for this purpose.
Hope this helps.
John R
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Follow Ups
- Re: the 6BL7 and 6BX7... - J.Rankin 02:48:54 03/12/07 (1)
- OK; no other tubes. Input transformer, huh? TYVM. Are those Voltage ratios? (NT) - jeffreybehr 10:35:17 03/12/07 (0)