Stew
Based on your description my expectation is that you had a voltage
breakdown of the bleeder resistor. While we normally think of resistors
in terms of the power they can dissipate, there is a voltage limit that
can be sustained across the resistor as well as from the body to
ground. I
.
Nit: the L4 power supply used two
100K 50 watt resistors while L4B/L7 supplies typically used
50K 50 watt resistors.
-Original Message-
From: David Box david_...@comcast.net
John
There is a ground wire in the cable that connects to pin 7 on both
PS and amplifier that ties the chassis together. As I understand
the metering system of the L4B/L7 you will always have the high
voltage return sitting slightly above chassis due to the grid
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