[Amps] Drake L7 issue

MU 4CX250B 4cx250b at miamioh.edu
Thu Sep 25 16:17:59 EDT 2014


Joe, measure the 220 VAC and make sure that's what you really have.
Next, check the the jumper wiring in the L7 to make sure it's
configured properly for your current line voltage. You can measure HV
using the panel meter on your amplifier.

Sent from my iPhone

> On Sep 25, 2014, at 12:54 PM, Joseph Loverti <joeloverti at gmail.com> wrote:
>
> All,
>
> I just finished up my 220VAC run to the shack and fired up the L-7. Upon startup, the panel lights seemed dimmer than they usually are. Even the fan seems like it’s running slow and weak. Upon trying to check the amp for operation, I notice that I’m getting very weak output (no even 20 watts) into my dry dummy load. I’ve tried several different bands but get the same results. I have triple checked all my connections and everything seems correct. The amp was operating just fine for the past several years at my old QTH. I’ve just noticed this problem after my move. Could it be that I’m not getting HV? Could I have a faulty breaker in the box? Any ideas on where to begin trouble shooting would be appreciated.
>
> Thanks in advance,
>
> Joe
> WS8X
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