• 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
wicked1
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Eico power supply trouble (hlp plz)
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13
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3K
Seraph
Seraph
B
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Amp project output problem
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19
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2K
bubbab74
B
leadbelly
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What makes a great concertina triode?
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16
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5K
SY
SY
Joshua_G
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6V6 filaments in series
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12
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3K
mvon21234
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N
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1 watt desk speaker
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12
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3K
Geek
Geek
R
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Tube rectifier input capacitance
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11
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3K
regal
R
T
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gates m-3638 preamp
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0
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2K
transamz2000
T
pjanda1
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Oversized caps (PS and coupling) in RH84: Problem?
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0
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1K
pjanda1
pjanda1
R
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6BQ5/EL84 tube buffer questions
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65
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12K
rafjr00
R
A
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6BQ5\EL84 line amp
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5
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6K
Miniwatt
Miniwatt
6
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Luxman SQ5A
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0
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2K
6072a
6
A
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audio research LS25 preamp
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83
Views
40K
Luke
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D
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Help! Tube Rolling
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2
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4K
davethomp
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M
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PE06/40 replacement
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2
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3K
aardvarkash10
aardvarkash10
BillEpstein
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Can I enlarge the mounting hole on Mosfet?
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3
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1K
jcx
J
coffeedj
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12SN7 Round Plate Tung Sol--is there such a thing?
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2
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3K
coffeedj
coffeedj
ChopperCharles
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$120 battery powered tube amp on eBay??
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41
Views
17K
sled108
sled108
Q
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EF86 swap for 6BQ5 reverb?
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2
Views
3K
Quidnuncle
Q
K
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Symetrical out low Zout
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5
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3K
Eli Duttman
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D
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Finding triode curves
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16
Views
5K
Michael Koster
Michael Koster
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