• 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
00940
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Why wire an output transformer as autoformer ? (parafeed)
Replies
5
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3K
speakerfritz
S
N
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Do you still need matched tubes if running a CCS ?
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81
Views
12K
piano3
P
C
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Sockets for a WE429A
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6
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3K
feralmeida
F
M
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Take a look at my transformers
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39
Views
5K
kavermei
kavermei
bst
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Holy cow! Can anyone tell me why this wire is so pricey?
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15
Views
3K
7n7is
7n7is
rsumperl
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Anybody in the Knoxville area?
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0
Views
819
rsumperl
rsumperl
G
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Need help starting
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17
Views
3K
Miles Prower
Miles Prower
M
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Tube companies
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1
Views
2K
kevinkr
kevinkr
M
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4 x EL84 in UL PP, 470 B+!! is this right
Replies
31
Views
8K
Salas
Salas
M
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HH Scott Type 209 Amp
Replies
0
Views
1K
mikezxtt
M
B
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Tube data sheets - inaccuracy
Replies
20
Views
3K
Brit01
B
T
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Crowhurst's Twin Coupled Amplifier
Replies
27
Views
13K
kenpeter
K
W
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Rectifier Valves
Replies
11
Views
3K
metalsculptor
M
W
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PS Setup For Testing
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2
Views
1K
wdcw
W
B
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DC heater large cap
Replies
52
Views
10K
mr2racer
mr2racer
M
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What amp is this?
Replies
1
Views
1K
Eli Duttman
E
W
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OPT Impedance
Replies
7
Views
2K
wdcw
W
B
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John Broskie Aikido boards
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1
Views
3K
kiwi88
K
K
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TVA-1 "Export" circuit/schematic?
Replies
12
Views
6K
kevinkr
kevinkr
D
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input/driver stage for kt88/6550
Replies
5
Views
4K
Miniwatt
Miniwatt
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