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Palomar Model 50 AMP question

Salty87

Member
Joined
Jun 7, 2020
Messages
10
If you have 12v connected and turn the stdy switch up the tubes should light up and when you transmit on your CB connected to the amp input, it should key up internally, make a high pitched whinning sound and power should come out.
I can hear a slight whine when I key up. I don't have anything to check the power out, except for the meter on the amp itself. The relays are definitely not clicking at all.
 

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prcguy

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Joined
Jun 30, 2006
Messages
9,569
Location
So Cal - Richardson, TX - Tewksbury, MA
The whinning would be the transformer singing from the two transistors on the back chopping 12v DC into pulsed DC for the step up transformer 700v power supply. If there is no whine until you key up then it sounds like its sensing RF and switching to transmit mode and turning on the HV power supply. The current draw should go from an amp or so to at least 10 amps when the HV kicks in and if its putting out full power the amp should draw 25-28 amps.

I can hear a slight whine when I key up. I don't have anything to check the power out, except for the meter on the amp itself. The relays are definitely not clicking at all.
 
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