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6SN7 tube question

Hello,

I need to replace the tubes in my Rogue 99 line preamp, which uses the 6SN7 tube. I was looking at an online seller who offers the following options with an affordably priced 6SN7 for a few dollars extra:

1. Balanced Triodes
2. High Gain
3. Low Noise and Microphonics
4. Matching

Options 3 and 4 seem most desirable for a preamp. My question is whether it is worth the extra few dollars (approx. $6 per tube) or is it just a pure marketing ploy to get suckers like me to drop more dough?
actusreus
tomcy6's avatar
tomcy6
2,542 posts
 
Cdrc,

"Why don't you call Rogue and purchase exactly what Mark O'Brien, the gentlemen who designed the piece would suggest instead of listening to all the patrons in the euphonic coloration."

Because no two people hear the same or have the same idea of what neutral is. Why do you think there are so many different brands and models? Should we all own the one true neutral system?

It looks like you've done a lot of tweaking to your system, why shouldn't the OP and the rest of us be allowed to do the same? I'm for people listening to whatever the hell they please without getting anyone's approval.
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david99
1,467 posts
 
Only 2 of the 4 6SN7 tubes have any sonic impact. I can't remember if they are the right 2 slots or left. You can save money buying 2 cheap and 2 vg tubes. I don't think any have to be matched.
atmasphere's avatar
atmasphere
11,632 posts
 
FWIW we find the Tung-Sol tube to be just as unreliable as the EH tube. Both are made in the same plant and the big difference is the color of the base.
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