• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Tubes / Valves

All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum
Wavebourn
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Did you hear an original tube sound?
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4
Views
2K
greenvalve
greenvalve
Sch3mat1c
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Not too often you see one of those
Replies
18
Views
4K
Matt BH
M
K
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Cayin A55t or AudioSpace AS-8i Mk.III
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0
Views
4K
kt81
K
C
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filament voltage question
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4
Views
2K
aardvarkash10
aardvarkash10
FullRangeMan
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New GM70 tube with problem
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9
Views
2K
jlsem
jlsem
P
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ming da tube amp smell
Replies
6
Views
3K
Coherent
C
J
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Crossover co-axial
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0
Views
1K
jjman
J
Magz
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Advice on Parafeed Output Transformer
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3
Views
3K
Magz
Magz
B
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Well Here Goes... K16LS in Dynaco Chassis?
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4
Views
1K
Svein_B
S
C
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Sweet Peach vs Meng Yue EL84
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2
Views
3K
ChrisR1983
C
D
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PP with Unbalanced concertina = 2nd H?
Replies
22
Views
3K
Tubelab_com
Tubelab_com
B
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B+ voltage load line question
Replies
2
Views
2K
DualTriode
D
C
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Am I going to blow up my 7189s
Replies
23
Views
4K
Circuitsoft
C
vitalstates
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harmonic distortion
Replies
13
Views
3K
TheGimp
TheGimp
Rob11966
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Amplifier oscillates - advice sought
Replies
81
Views
14K
Per B
P
J
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too much output impedance?
Replies
8
Views
2K
atmasphere
atmasphere
B
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New Suppo Audio EL34 amp
Replies
67
Views
17K
whiterx
W
B
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cayin a-55t want to use el34
Replies
7
Views
5K
blue andry
B
Y
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6bg6 and 8k opt power amp project
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30
Views
14K
vinylkid58
vinylkid58
K
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Does anyone has a T.A.C.-34 or a T.A.C.-88 schematic?
Replies
2
Views
7K
mrmardy
M
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