Tubes & Substitutions

Topic / Topic starter Replies Last postsort descending
Normal topic Stopping Tube Rattle
by admin2 » Tue, 03/25/2014 - 10:00
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Terry Loose
by admin2 » Tue, 03/25/2014 - 09:57
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Should I change tubes in 410-HD
by admin2 » Tue, 03/25/2014 - 10:01
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic RD100 Tube subs.Hum, Metal Knob Inserts
by admin2 » Tue, 03/25/2014 - 10:00
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Electro-Harmonix 6CA7EH Output Tubes!
by admin2 » Tue, 03/25/2014 - 09:54
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Smell emanating from prize 130 head
by admin2 » Tue, 03/25/2014 - 09:30
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Tone Bone
by admin2 » Tue, 03/25/2014 - 09:34
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Sylvania vs. the rest?
by admin2 » Tue, 03/25/2014 - 09:30
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic 6L6/EL34
by admin2 » Tue, 03/25/2014 - 09:48
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by admin2
Thu, 03/27/2014 - 08:29
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 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 How can I tell?
by admin2 » Tue, 03/25/2014 - 09:31
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic MM HD 130 bass mod
by admin2 » Tue, 03/25/2014 - 09:53
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Tube preferences these days
by admin2 » Tue, 03/25/2014 - 09:30
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Sylvania 6CA7's.
by admin2 » Tue, 03/25/2014 - 09:33
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic PI tube swap
by admin2 » Tue, 03/25/2014 - 09:54
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Tube with dead heater indicate problem?
by admin2 » Tue, 03/25/2014 - 09:30
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic JJ 6CA7 - New tube!
by admin2 » Tue, 03/25/2014 - 09:34
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Self Biasing amps? MM 210 RD one hundred
by admin2 » Tue, 03/25/2014 - 09:54
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Tubes in 210 HD 130
by admin2 » Tue, 03/25/2014 - 09:30
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic Good 12AX7
by admin2 » Tue, 03/25/2014 - 09:48
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic ELECTRO-HARMONIX KT-88
by admin2 » Tue, 03/25/2014 - 09:31
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by admin2
Thu, 03/27/2014 - 08:29
Normal topic New tubes for HD130 - what to choose?
by admin2 » Tue, 03/25/2014 - 09:48
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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
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by admin2
Thu, 03/27/2014 - 08:29
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