[Vintage-Audio] More info on Scott LK-72 biasing

[Roy Morgan]

At 07:55 PM 7/13/2002 +0000, you wrote:
>QUESTION:  Considering the high cost of 7591's, should I bias them slightly
>"cool" for long life?


YES Absolutely no question YES.
NO one needs the maximum amount of power that amp will deliver.
NO one needs to pay curent prices for output tubes.

Bias them down to 80 percent of normal plate current and rest knowing you 
did the right thing.

Roy

Roy Morgan
K1LKY since 1959
7130 Panorama Drive, Derwood MD 20855
301-330-8828 home .... 301-975-3254 work
roy.morgan@nist.gov