• 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
J
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my transformer output has a center tap: what do I do with this?
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5
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2K
jarthel
J
dshortt9
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New? Local Feedback Method
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32
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8K
leadbelly
leadbelly
C
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dynamic pentode screen draw
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1
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917
aardvarkash10
aardvarkash10
F
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Tube Sockets
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5
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2K
boywonder
boywonder
K
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Help for LTP/CCS plus cathode follower
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12
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4K
karsten21
K
E
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Replacing old caps in the SP8 pre-amp
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6
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5K
Jaimo
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J
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Circuit Ideas for the 815 (martian tube)
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4
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5K
rman
rman
S
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Old Tektronix unit, usefull?
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7
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1K
Eli Duttman
E
J
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Equivalent to IXCP10M45S?
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25
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11K
Bandersnatch
B
D
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828 is better
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10
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7K
danFrank
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astouffer
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Articles from the past
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5
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1K
Speedskater
Speedskater
crj11
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What tube bases to support for a new tube curve tracer
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21
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4K
astouffer
astouffer
sled108
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Friday Night Fun with a ST-70
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5
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1K
sled108
sled108
astouffer
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Jaehong Lee OTL
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11
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3K
tubetvr
tubetvr
U
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Aikido All-In-One Octal Heater Troubles
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5
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2K
ultrachrome
U
J
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Low gain preamplifier
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10
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4K
rotaspec
R
M
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Replace Electrolytics?
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9
Views
2K
jean-paul
jean-paul
john65b
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Um, Can I do this?
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39
Views
4K
kenpeter
K
S
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Can OT's couple?
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2
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1K
pointy
pointy
rsumperl
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6GE5 in driver service for class B P-P
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0
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2K
rsumperl
rsumperl
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