"StickThatInYourPipeAndSmokeIt Total ****wit "

Most folks use a variac at nearly any setting except 1:1, and even
though that maker might make some lame declaration of a slightly higher
capacity when set at 1:1, the fuse will still blow at its rated break
point.


** An audio repair workshop will typically use a medium size ( like 500
VA or 1kVA ) variac to bring items like power amplifiers that are known to
be faulty OR have just undergone repairs up to AC line voltage

( snip drivel)


- watching
for smoke or other signs of trouble as they go.

Bad move. Watch for high input current.


** So this dumb as dog **** cretin cannot read.


Actually, the best way to
"watch" is with a thermal imager.


** ROTFLMAO !!!!!!!!!


IF all is well, then the variac is set to exactly 1:1


( snip more drivel)



- so the item
under test can be put through its paces with the variac's windings causing
the LEAST possible increase in AC supply impedance.


( snip more asinine drivel)


The reason is, few if any variacs have a bypass switch and it is tedious
to
keep removing the AC plug from the variac and moving it onto an AC wall
outlet in order to get a low impedance AC source - essential for
measuring
the power output of a large audio amplifier with accuracy.

Actually, the output should be charted at various line voltages,


** ********.

This cretin has not got the tiniest clue.


The
difference is that most audio amps cannot handle the swing from 85 to 265
VAC like switcher fed devices.


** Ya don't say ???

Totally wipes all of your asinine opinions out.



........ Phil