General information about the Variable Voltage Regulator (VVR) and it's function in a tube amp. Watch more tutorials about installing the VVR here https://youtube.com/playlist?list=PLC... the sound of your tube amplifier | the volume cranked up to | that sweet tube overdrive | too loud. reasonable lower volumes | use a VVR | VVR stands for Variable Voltage Regulator credits must be given to Eddie Van Halen | he started using a Variac | the brown tone install a VVR module in a tube amp | control the high voltage of the tubes | heaters work at their optimal temperature the right place of the VVR module in the amplifier´s circuit? see the green insulated 22AWG wire | turn on the standby-switch | high voltage to the plates of the tubes . . . see the white B+ wire from the rectifier – to the standby-switch – to the plates of the tubes a few suppliers of such kits provide VVR module circuits on PCB | why install a Printed Circuit Board current supply module in your tube amp | here is our VVR module on turret board standard installations of the VVR modules | once installed there is no turning back except with the soldering iron | we use a double standby-switch | the high voltage position, is a true bypass of the VVR module position the VVR in the back of the tube amp | the VVR will be used with a attenuator mentality switching between bedroom level, rehearsal, larger venues. positioning the VVR in front, next to the standby-switch | experiment different sweet spots or easily turn the VVR off ================================ CHAPTERS 0:00 To loud? Eddie van Halen and the Variac. 0:52 VVR vs Variac 1:20 The right place of the VVR 2:15 PCB vs turetboard VVR circuits 2:36 The double standby switch, the VVR in front 3:30 Scratchy poty 3:44 Conclusions 3:58 Outro ================================ Kindlein Custom Amps │ https://www.kindleincustom.com/ Silver Microphones │ https://www.kindleincustom.com/kindle... Gabriel Tube Amps │ https://www.kindleincustom.com/gabrie... 13 Custom Instruments │ https://www.13instruments.com ================================ more about GABRIEL AMPS https://youtube.com/playlist?list=PLC... more about MODDING https://youtube.com/playlist?list=PLC... more TUBE TALK https://youtube.com/playlist?list=PLC...