Re: [TenTec] TT Centurion AMP failure

["Dr. Gerald N. Johnson" <geraldj@weather.net>]

On Wed, 2010-02-17 at 23:29 +0000, Mike Schatzberg wrote:
> The triodes are a zero bias tube, and 200 mils sounds close for no bias 
> voltage. The amp should still make power, although in the wrong class of 
> service. If it does make power, you have lost your cut off bias voltage and 
> will have to trouble shoot that circuit. If both tubes are glowing about the 
> same color, good chance the bias supply is your problem or your bias voltage 
> switching. 73 and Happy DXing, Mike W2AJI Tryon NC
> 
> 
Or the keying line is stuck keyed to transmit. Might be a cable or the
driver, not the PA.

73, Jerry, K0CQ