• 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
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Phono preamp schematic
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12
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1K
spectre6000
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uTracer 3+ How do I measure double triodes, curve tracing, and emission vs GM?
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12
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513
Merlinb
Merlinb
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Opinions on my Balanced input SE SiC Mosfet DC-Coupled Paralleled 807 Parafeed Headphone amp Design
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0
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154
Ginjetto
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Heathkit A9 question
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60
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3K
Tube Radio
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andyjevans
Phase splitter choices on input of PP amp
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117
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10K
Miles Prower
Miles Prower
Pedaler
Jolida JD-302b Help Identify Mods
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17
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684
nerdorama
nerdorama
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Help with CCS
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19
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533
Staticx
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Stereo Tube Amp Design Not Working
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21
Views
771
sander19
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Robhoe71
EL84 Push-Pull direct coupled by KeesB
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71
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5K
KeesB
K
J
Sun Audio 2A3 Modifications
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46
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11K
andyjevans
andyjevans
jcalvarez
Ukrposhta delivers... now I have to something with this!
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32
Views
2K
jcalvarez
jcalvarez
A
CCS IXTP08N100D2 sounds better than DN2540
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35
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5K
jackinnj
jackinnj
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PP 6B4G Mono Block Issues
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10
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452
grovergardner
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W
Aikido octal pops/dc
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63
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3K
ceylon.mooney
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A
RCA 9289-B VU meter
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1
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207
JonSnell Electronic
JonSnell Electronic
Salas
6V6 line preamp
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5K
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1M
sparkle
sparkle
A
My Dynaco ST-70 with Bud Purvine designed transformers built by Kolarkar Audio
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32
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2K
rayma
rayma
D
10M45S LTspice model
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20
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12K
baudouin0
B
J
Virtual Center Tap Grounding
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3
Views
236
joneci
J
stephe
6BM8 "tiny tube amp" build + Video Series
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106
Views
22K
rogerayotte
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