• 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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Measuring unwanted grid current
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DF96
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How will this affect my amp?
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18
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Soonerorlater
Soonerorlater
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Running on filament only
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richard8976
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Good PSU for HT upt to 15mA??
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Mr_Zenith
Mr_Zenith
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Hammond L101 compensation cap
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mashaffer
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porkchop61
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Small Tube/SS hybrid amplifier design 9V
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70
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porkchop61
porkchop61
Rodango
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Sonic effects of tubes
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DF96
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Brouilly
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Reading material
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DF96
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First OTL breadboarded
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Brit01
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soft stat
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Poindexter
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miniblok 1 voltage problem
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17
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chopchip
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L. Tatro farm radios from 1930's.
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3
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Signalsgt
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Powering a headphone amplifier with DC filament supply
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3
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Brit01
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garbage
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c3g connections
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8
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yagoolar
yagoolar
el156
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pcc189 for audio use
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13
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DualTriode
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866a valve test
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807tubenut
807tubenut
Stee
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who have schematic of Phenix OTL G3?
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1
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Stee
Stee
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Base material of GEC KT88 Feb 1960
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2
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richard8976
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Tetra Phono Builders...got problems!
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Freecrowder
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Headphone amp with 6n2p valve on 12V
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DaSlim
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