• 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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direct coupling
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10
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4K
tim845
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mr2racer
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Vintage power transformers
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40
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6K
mr2racer
mr2racer
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Need some help with these tubes
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11
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2K
Soonerorlater
Soonerorlater
Stee
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My Best OTL Amplifier
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11
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Alastair E
Alastair E
E
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Understanding Steve Bench's regulated power supply
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4
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EvilMose
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h00hbt
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PP EL34
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15
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tinitus
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Mysterious tektronix power supply
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9
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Cassiel
Cassiel
davidhugo
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IFI 6SN7 X3 (6N8P-6H8C) Tube Valve Preamp Kit Board from eBay
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1
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Miniwatt
Miniwatt
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12ax7: How to maximize output?
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13
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jjman
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Troncones
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Edcor GSXE10-8-5K primary Inductance?
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1
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wrenchone
wrenchone
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Lower gain 12AX7?
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43
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ruffrecords
ruffrecords
wrenchone
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Fuse Clip for Small Plate Cap Use
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12
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mashaffer
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R
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Help modify 6H30 Mu-follower stage
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22
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RollE2k
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john dozier
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Value of coupling caps
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14
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tomchr
tomchr
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12AT7 and TDA1543...
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17
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Skorpio
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K
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MingDa MC845-C or Opera COnsonance Reference 9.9
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4
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ksporry
K
sbelyo
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Line stage with 12AU7 and 6CG7 anyone?
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6
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8K
grhughes
grhughes
B
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6J7 driver in WE91 like amplifier
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9
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10K
artosalo
artosalo
smoking-amp
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Beyond SET and ParaFeed.... Complementary Current Triode
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67
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smoking-amp
smoking-amp
B
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Solid State Cathodyne Phase Splitter Device?
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15
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ben_f_m
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