Webb29 mars 2024 · The only amp I actually adjust the voltage down on is my JMI era Vox AC30. This amp runs the HT a bit over spec on 60hz 120V, so I dial the variac down to 110V. … Webb26 jan. 2015 · If you bias with the variac set to 110v and then run the amp at wall voltages (120-125v+) you will cook your tubes toot sweet! Running vintage amps designed for …
Using a variac to change the sound of your old tube amp.
WebbAwesome vintage Variac in excellent working order. Great for vintage amps that were made to run at 115 watts. No need to worry about plugging your gear into an outlet that … Webb21 nov. 2024 · Let us say the Variac is set at 60V AC in to the amp under test. Check that opt tranny primary (i.e. CT of a PP amp) lead and note the DC voltage, presuming the … successfactors preferred success
Voltage for tube amps - Variac, surge protector, Ken Fischer ...
WebbHow variacs are made, how variacs work, how autotransformers work, and how to modify the input voltage of a variac for 220v to 110v. Brand new or restored Vintage General Radio Variac?... Webb6 nov. 2005 · Member. 2004-09-25 8:17 am. Lansing, Michigan. 2005-11-05 4:58 am. #8. Consider how you will use the variac. 8 amps at 240v is almost 2000 watts. 2000 watts … Webb27 dec. 2024 · Surge protectors and Variacs...When plugging in your tube amplifier, particularly vintage tube amplifiers like an old Marshall or Fender amp, harmful surges and variable AC voltage can harm these tube guitar amplifiers - why single-ended designs are difficult to make in high-power amps - Ken Fischer (Trainwreck Circuits) & I shared notes … painting in stairwell