Tubes & Substitutions

Topic / Topic startersort descending Replies Last post
Normal topic Use EL-34s or 6AC7s? Does it matter?
by admin2 » Tue, 03/25/2014 - 09:48
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Using only two power tubes in a 212-HD?
by admin2 » Tue, 03/25/2014 - 09:58
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic What about "burn-in"?
by G Mac » Thu, 06/28/2018 - 19:43
0
by G Mac
Thu, 06/28/2018 - 19:43
Normal topic What tubes are original equipment?
by admin2 » Tue, 03/25/2014 - 09:31
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic What's So "Groovy" About Groove Tubes?
by admin2 » Tue, 03/25/2014 - 09:48
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic When to re-tube!
by admin2 » Tue, 03/25/2014 - 10:00
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Which current 6CA7s have beam forming?
by admin2 » Tue, 03/25/2014 - 09:48
0
by admin2
Thu, 03/27/2014 - 08:29
Normal topic Which power tubes on my HD130?
by admin2 » Tue, 03/25/2014 - 10:01
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Winged C's acceptable for RD50
by admin2 » Tue, 03/25/2014 - 09:53
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Winged c's in hd 150
by admin2 » Tue, 03/25/2014 - 09:53
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Winged-C 6L6GC Sources?
by admin2 » Tue, 03/25/2014 - 09:53
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by admin2
Thu, 03/27/2014 - 08:29
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