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RE: Audio Research LS-27 preamp tube replacement

Posted by kentaja on February 27, 2017 at 12:39:37:
Stick with the plain Sovtek 6H30. EH gold pin is the same tube with a different label and gold flash on the pins. No sonic difference to my ears with gold you just pay more money.

As for the sonic merits of the DR tube I was at ARC about 5 years ago talking to Warren Gehl about the DR version of the tube. He said they tried it and did not think it was any better than the EB version. For the ARC haters they would say the ARC circuit is just not that good so it probably does not make any difference. OK that works for me.