[JMS] Is anyone running a 90881 amp?

[email protected] [email protected]
Fri, 5 Mar 2004 19:46:00 GMT


Hi Jim:
Thanks but that is not the information I am looking for. It looks like the amp is in p-p configuration so I may have to go with the Class B -45 VDC rating. It would be nice to hear from someone who has "been there done that" with a live 90881 but I think for now, they are "shelf queens". I hope to change that! Cal. N6KYR. 


Cal,

The ARRL Handbook ratings for 812's in Class C are -175 volts bias for 1500 
volts on the plate (telegraphy) and -125 volts bias for 1250 volts on the plate 
(telephony).  They are also rated at -45 volts bias with 1500 volts on the plate 
for Class B service.

Jim, W8KGI


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