• 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
Jaap
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huh ?
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5
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2K
Yvesm
Yvesm
C
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Changing filter cap in HH Scott
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2
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3K
SHiFTY
SHiFTY
M
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Individual fixed bias and transf coupling
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3
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1K
mashaffer
M
5u4
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Loftin-White Mod
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3
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2K
5u4
5u4
D
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Current Sourced Cathode Follower
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8
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2K
dr._sleep
D
R
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How much filtering required for DC heaters?
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2
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1K
leadbelly
leadbelly
S
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Music Angel EL34
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0
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3K
SimonPearse
S
G
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12AX7 heater wiring? Series / parallel?
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1
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9K
arnoldc
A
S
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tube kits....
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0
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stuman69er
S
T
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SIMPLE tube amplifier for...dummy guy...
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17
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13K
tofkitaff
T
M
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Transmitter e-tour
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6
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2K
rcavictim
rcavictim
L
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Refried Power Supply?
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9
Views
2K
Looneytunes
L
leadbelly
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Is this EL84M UL PP OK?
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34
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8K
leadbelly
leadbelly
D
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Old Projector amp conversion project
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1
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2K
Eli Duttman
E
B
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Tube availability: what would you do?
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6
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2K
pmillett
pmillett
mikee55
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minimalist valve pre for follower
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10
Views
10K
pedroskova
pedroskova
smoking-amp
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The lost Millman Seely chapters on audio amps
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0
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1K
smoking-amp
smoking-amp
LowRedMoon
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Name that EL34!
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4
Views
2K
LowRedMoon
LowRedMoon
Bazukaz
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On - board supply ?
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1
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1K
DoomPixie
D
G
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Mini-p1 tweaks
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4
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2K
gemby
G
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