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In Reply to: Audio Research LS-27 preamp tube replacement posted by audioman on February 25, 2017 at 15:38:53:
Generally when the dealer recommends you change the tube that soon it's because they are driving that tube hard.
If you can find a more rugged 6H30 that may help. My advice is contact Jim McShane over at the tube forum. He's the tube man. If there is an answer most likely Jim has it.
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Follow Ups
- RE: Audio Research LS-27 preamp tube replacement - airtime 18:11:29 02/25/17 (2)
- RE: Audio Research LS-27 preamp tube replacement - audioman 10:57:00 02/26/17 (1)
- RE: Audio Research LS-27 preamp tube replacement - airtime 12:01:53 02/26/17 (0)