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In Reply to: RE: Newbie question....6922 tubes.... posted by email@example.com on May 28, 2017 at 06:46:50
The amp hasn't even arrived yet and I want to send it back!! I thought the 6922 was the only tube I could use and they're were different manufacturers. Now I find that there are different variants, etc. What the hell is a "tough" tube? Not even sure where to start. I just wanted to hit the power button and listen. Now I'll probably spend every moment wondering if I have the right tube or not. Geeesh! Thanks, though to everybody for trying to help. I guess I have a LOT of learning to do!! Happy Listening.
Pushing the power button, settling back, and listening is EXACTLY what you should do.
Take plenty of time to find out what you like and what you don't. The EH 6922 the unit comes with is far from junk. However, depending on what choices the designer made, it may be possible to "roll" (read swap) tubes and tweak the sound. If the designer, as (IMO most unfortunately) many do, chose electrically severe operating conditions, your wiggle room is highly limited. The EH variant is (electrically) very durable.
There is no absolute best tube, in any type. What is known is a list of well performing variants that can be tried to yield maximum synergy in any given "rig". The list of variables includes, but is not limited to, speakers, sources, venue, listener ears, and personal preferences.
Dutch electronics giant, Philips, introduced a family of tubes with very similar characteristics, but different ratings for the severity of electrical conditions they can be used under. FWIW, you have the 6DJ8/ECC88, 6922/E88CC, and 7308/E188CC, which are (in ascending order) increasingly "tough".
If 6922 eh were made in the past ,they will be highly regarded
Stay with manifacturer tubes and enjoy music :on a long term
and listennig music you are accustomed with ,you will know
if you like your amp or not .
tubes can make difference ,but don't make gold from iron
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