Tung-Sol roundplates! I'm quite late to this discussion, and you've probably done...

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OTL, Output Transformerless Amplifier User Group.

Posted by jeffreybehr (A) on March 21, 2016 at 16:33:34

In Reply to: 6SN-7's posted by throwback on December 28, 2014 at 07:18:11:

...some tube replacements, BUT...I and MANY others believe that the WWII-era Tung-Sol roundplate 6SN7GT (aka VT-231) is the best-overall-sounding 'N7 that man ever made. To my ears they're SLIGHTLY warmish (but NOT dark, which describes a low level of treble energy) and never harsh in the treble. They're also expensive, but lots of us believe that it'll be money well spent.

Fortunately for me, I still have about a dozen left from my accumulation starting years ago. I believe I'll be using a gain-reduction plug in V2 and either a pair of Ralph's originals or 1960s-era Russian (labeled CCCP!) tubes I got from Upscale Audio some years ago in the V4 position which is a cathode follower.

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Follow Ups Full Thread

Topic - 6SN-7's - throwback 07:18:11 12/28/14 (16)

Tung-Sol roundplates! I'm quite late to this discussion, and you've probably done... - jeffreybehr 16:33:34 03/21/16 (0)

RE: 6SN-7's - throwback 20:24:09 01/04/15 (7)

RE: 6SN-7's - throwback 07:39:39 01/05/15 (3)

RE: 6SN-7's - Catastrofe 05:20:23 01/07/15 (1)

6SN-7's, do you own an Amplitrex Tube Tester? - Cousin Billy 05:25:36 01/20/15 (0)

RE: 6SN-7's - Lew 07:51:55 01/05/15 (0)

RE: 6SN-7's - Lew 07:24:22 01/05/15 (0)

RE: 6SN-7's - Cousin Billy 04:04:23 01/05/15 (1)

Quick ebay search - Cousin Billy 05:14:20 01/05/15 (0)

If you have a 5-driver-tube MA-1 - Ralph 12:06:40 12/31/14 (5)

RE: If you have a 5-driver-tube MA-1 - MP 06:44:51 09/09/23 (0)

RE: If you have a 5-driver-tube MA-1 - throwback 10:19:03 01/04/15 (0)

RE: If you have a 5-driver-tube MA-1 - Banat 09:09:22 01/01/15 (2)

Hi, Banat…. - Lew 08:19:08 01/02/15 (1)

RE: Hi, Lew - Banat 12:38:07 01/02/15 (0)

RE: 6SN-7's - Lew 20:30:21 12/28/14 (0)

Follow Ups

Tung-Sol roundplates! I'm quite late to this discussion, and you've probably done... - jeffreybehr 16:33:34 03/21/16 (0)

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