Mike,
Is the heater of the 4CX glowing?
Regards.
Mark.
--------------------------------------------
At 20:34 22/11/2005, you wrote:
>The 4CX1600B was reinstalled in the amp. however now there is no
>ZSAC. The ZSAC should be around ~350 mA. Checked the voltages, 3100
>V anode, 330V SG2, -56 V SG1, 12 VAC fil. Cathode grounded. Also,
>there is no reduction of the anode voltage to indicate the tube is
>drawing current. Previously, the anode voltage would be reduced ~100
>V when the amp. is keyed with no drive.
>
> 73,
> Mike, K4GMH
*******************************************
Mark Hill - G4FPH
E-mail: g4fph@mjha.co.uk
Current web pages at: www.g4fph.net
Old web pages at: www.qsl.net/g4fph
----------------------------------------------------------------------
Dipoles resonant on 1942 / 3720 / 7085 kHz
Three element wire beam coming soon on 14180 kHz!
----------------------------------------------------------------------
Remember - SIDE for HV safety:
S witch off
I solate
D ump
E arth
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