|
Audio Asylum Thread Printer Get a view of an entire thread on one page |
For Sale Ads |
12.150.176.129
In Reply to: RE: Substitute El-34 for KT 88s and 120s posted by TGT on October 20, 2014 at 17:35:16
The simple answer is there is no answer. You really have to try the tubes in your amp. Anyone who says that KT-120s, or KT-88s are better or worse than El-34s is deceiving themselves. Let me explain just a few factors that come into play. The plate-to-plate impedance of the output transformer strongly influences how a particular tube will work. The optimum impedance for a KT-88, KT-120 and El-34 are NOT the same. If you drop a KT-120 into an amp optimized for an El-34 and it doesn't sound as good, don't blame the KT-120. The other variable, of course, is that different makes of El-34s sound different from each other. The only way you can tell how it works in your system is the try the tubes you are considering.
Follow Ups:
My PrimaLuna amps have auto bias. Does that take care of the plate-to-plate impedance issue?
No. Auto-bias and plate-to-plate impedance of the putput transformer are two different things.
Post a Followup:
FAQ |
Post a Message! |
Forgot Password? |
|
||||||||||||||
|
This post is made possible by the generous support of people like you and our sponsors: