• 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
Miniwatt
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Anyone else tried an opamp as a driver?
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51
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16K
GALUH
G
7n7is
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tube patents
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10
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5K
7n7is
7n7is
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Tango 10429 78% Nickle Output Transformer?
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16
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8K
HP8903B
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G
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Bias for Ipod Input
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3
Views
996
Glowin Plates
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Miniwatt
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Negative supply with CT tranny
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3
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2K
Miniwatt
Miniwatt
Rundmaus
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Lightbulb trick on filament circuit?
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9
Views
4K
M Gregg
M Gregg
M
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Needs help Tubezone Poseidon
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4
Views
1K
kstagger
kstagger
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E130L SE again
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1
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6K
mastodon
mastodon
J
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Point to point wiring help
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5
Views
2K
Miniwatt
Miniwatt
P
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(Sound Space)Houston 2A3 Power Amplifier
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1
Views
2K
altecman
A
rsumperl
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What about this driver????
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1
Views
945
Geek
Geek
TubeMack
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The "Tube" bookshelf
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9
Views
3K
smoking-amp
smoking-amp
807tubenut
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Started work on my stereo 7027a PSE amp
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7
Views
3K
Miniwatt
Miniwatt
R
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Excessive hum with 1960's amp.
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10
Views
3K
Rotus623
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G
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AMC CVT3030a Help for repair
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0
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2K
georgesgiralt
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C
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300B DC heaters confusion
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20
Views
11K
kmaier
kmaier
B
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Newbie "In Search of help"
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7
Views
1K
boogeyman
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A
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hum in pas2
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0
Views
789
almog
A
h00hbt
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Leftover transformers
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15
Views
2K
pieter t
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S
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ELL80/ECLL800 Cathode follower
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2
Views
2K
Svetolik
S
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