bias range for a pair of 5881's

[twangbanger]

Just got my tung sol reissue 5881's and was wondering about the bias range of the tube ? Their for a 50 watt bassman, plate voltage is about 410 volts .
Rob

[Dave C]

I'd try 30-40ma to start.
Dave C

[twangbanger]

thanks Dave thats a good place to start.
Rob