6550s in my bogner 20th shiva bias

[just42dave]

Steve K helped me with this on my last one but I forgot what the ratings/bias should be??
Any help???
It has KT 88 in it right now

 

[just42dave]

poop

 

[John4021]

Not sure of the plate voltage in the Shiva but They are usually between 48/51 mA

 

[just42dave]

thanx

 

[glip22]

PV is high so Winged C is best. I redplated two pairs of NOS 6550 in my Shiva. Bias at 43ma if your PV is 500-505

 

[just42dave]

teah bout 520

 

[glip22]

teah bout 520

43-45ma

 

[just42dave]

thax glip