Aug 19, 2018 · Hello there, A variac is a transformer with variable secondary winding turns. That means the applications are almost endless. Since in it's main uses it lowers power to AC …

Jun 15, 2016 · A good 220volt variac can cost hundreds and I already have (2) 120v 5 ampers. And keep in mind I still have poor control with the SCRs even though they are cheap.

Aug 26, 2012 · Here is what I got 10amp 120 variac + 35amp 800v full wave rectifier + 450v 3500uf caps Will this work as a 0-120v dc power supply? will it provide a clean dc current? if …

Jul 18, 2005 · It's worth realizing that "Variac" was the trademarked name of a product by General Radio (that eventually became a catch-all term; " Vari able A.C.), while "Powerstat" is likewise …

Dec 23, 2019 · The part that appears to be a plain carbon brush on a variac brush is a special type of material -anisotropic graphite- that if goes bad; would need replacement, I doubt …

Finding the "sweet spot" on the variac linked to the gain and volume settings on the amp takes a little bit of experimentation, however, the end result has always proven valuable in terms of …

Dec 27, 2017 · Variacs are not isolated from earth. The variac pictured can put out 130V ac, referenced to earth ground. An isolation transformer is not referenced to earth making circuits …

Feb 24, 2020 · Should I get a single output isolation transformer or a Variac that has isolation built in (i've provided some links below)? Also, I've read that you want to put the UUD (Unit Under …

Oct 21, 2022 · Since the MXR Variac fuzz is a Band of Gypsys Fuzz Face with the additional tone and variac knobs, would it be a better idea to just get the MXR if I'm looking for that same fuzz …

May 18, 2024 · I have a pretty old variac. It blew a fuse so I opened it up and about 1/4 of the winding looks burnt. So I assume there's a short in there. Is there any way to repair this or is it …