Electronics Projects, Tube Tone Control Circuit 1SH29B article
"audio control circuits, " tagged with
c 4 1SH29B lamp used bass, treble, gain and volume controls able supply 200V 15mA and 5v 200mA DC separate circuit diagram in key areas of current and voltage data indicated pcb print circuit drawing layout quite been good over-current for the author 10w transformer He trained with the circuit. 1SH29B sprint circuit’s layout has been prepared by the PCB on file.
Source: gaedtke.name alternative link: tube-tone-control-circuit-1sh29b.rar