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Tube Suggestions

Posted by R Browne (A) on March 24, 2008 at 07:32:58

In Reply to: thanks posted by PhilJ on March 22, 2008 at 19:47:52:

I have an Audio Note M1 pre-amp and P2 SE amp, which is the same combination in separates as the Soro SE, that I have been using since 1995. I use them with a pair of AN/J speakers. I'd start with other's recommendation for proper stands and positioning to help your bass problem.

In the P2 SE I've tried different tubes, both 6L6 type power tubes and 6SL7 driver tubes. The stock Sovtek 5881/6L6WGC are perhaps the most "neutral" tubes with the least amount of bloated bass. Others I've tried are the Philips 5881/6L6WGB, SED SV6L6GC and the new production Tung-Sol 5881. These are all fine tubes but for your situation I'd try the Sovtek's. They are also the least expensive.

The 6SL7 type with the tightest, most solid bass I've tried is a NOS Tung-Sol 6SL7GT black base tall bottle tube with flat gray plates. They show up on ebay from time to time. I found a pair in an old radio/tv repair shop ten years ago. See photo. All of the NOS Tung-Sols sound great. The one I currently use is the Tung-Sol 6SL7GT black base with round plates. Another one that may work for you is the Raytheon VT-229 that goes in a different direction with a lighter, more airy sound. Good luck.

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