• 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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"Rogue99" Rogue Audio 99 Clones?
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0
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490
framilopes
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Eico HF-81 8ohm with Philips 800 ohm speakers
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15
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796
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First HiFi Tube amp
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134
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9K
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ElArte
C
Tube Amp Buzzing Noise Varying with Volume and Changes Channels
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3
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470
JoeAlders
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huggygood
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as_audio
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6146B datasheet puzzle
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20
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827
gorgon53
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How to bias a Fender Bassman 59 Ltd guitar amp?
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28
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Larpy
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K
Transcendar score today, would like to learn more
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0
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263
kb2wyl
K
M
6S45 and 5842 - help needed
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4
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340
matador1
M
R
Mixed power tubes in a guitar amp?
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15
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676
jhstewart9
jhstewart9
M
External OPTs?
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18
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877
waltube
waltube
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Fezz Audio Titania Test and Review
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13
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6A3sUMMER
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A
Music Reference RM9 Mk.I schematic
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40
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jcsb
J
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Capabilities of Acro/Allen 75 chokes
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8
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539
trobbins
trobbins
D
Volume pot noise
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22
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rayma
rayma
fazildiken
SE Tube Amp OPT
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8
Views
754
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Sharing my Completed Tube MC Phono - D3a / EF86 / FET Hybrid
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47
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euro21
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6
Hot power trafo problem
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20
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huggygood
huggygood
E
Simple diy tube tester
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1
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537
grataku
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S
Low Voltage GM70
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8
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jcalvarez
jcalvarez
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