Most major electric companies run 125 +/- 2-volts these days. During the
warmer months, with the air conditioning load, the voltage is on the "+" side
at 127-volts.
The "standard" voltage started at 110-volts, then 115-volts, then 117-volts,
then 120-volts, and now 125-volts. In this area, Dallas, Texas, area, the
ambient line voltage has been the 125-volts +/-2-volts for over 40-years. Of
course, air conditioning load can be for up to 8-months out of the year.
Glen, K9STH
Website: http://k9sth.com
On Sunday, February 9, 2014 10:37 AM, Robert Morris <robrk@nidhog.net> wrote:
Do you know what the voltage at the pins measure now?
Unless you have a variac in line, I bet it's not 5.000.
Most of the old transformers in my junk box are 115v.
My line voltage, as we speak is 121 and has been know to go to 124.
Calls to the power company, in summer, when they are fighting all the air
conditioning and it goes to 127 and all my UPS's start yelling.
A 100 watt Variac or Powerstat and a meter calibrated at the pins, fixes both
issues.
.
On Feb 7, 2014, at 12:13 PM, Larry Critchfield wrote:
Hi John,
Do I have to worry about the .5 volt filament voltage for the 3CPX ??
I do not want to modify my amp for 5.5 and then have to switch back
to use my 8877's plus the cost of new parts.
Thanks
Larry
WS3Z
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