[Amps] 8122 op temp in NCL-2000 amp

Fern crc at cyberlink.bc.ca
Sat Mar 14 11:21:02 PDT 2009


Hi Frank:  Your amp certainly looks like a perfect candidate to install an 
electronic vox biasing board to drop that needless high idling current to 
almost zero Ameritron has those boards available at a very reasonable price. 
Fern




>I operate SSB with my NCL-2000 only to chase 'new ones'.
> While doing this on 17m I noticed that the top lid above the tubes was
> awfully hot.
> The high temperature persisted in SSB mode even if I wasn't transmitting.
> SSB uses approx 2800v and idle current is 200 ma.
> I put a digital thermometer on the lid above the tubes and recorded some
> 


More information about the Amps mailing list