kt88 vs 6550

have conrad johnson premiere 140 , can i remove the stock 6550,s and replace with my quad match set of genalex gold lion kt88

pavpet05-26-2008 2:28am

fjn04 Details Discussions Posts This discussion Message User 1,339 posts 05-26-2008 at 08:34pm Copy Comment URL Report Comment Edit Delete Check with CJ tomorrow to make sure. They seem married to the 6550.
cyclonicman Details Discussions Posts This discussion Message User 693 posts 05-27-2008 at 02:18pm Copy Comment URL Report Comment Edit Delete When I checked with CJ regarding my CJ power amp, I was told that if I used KT88's instead of the 6550's, biasing the amp would be a problem.
n7369p Details Discussions Posts This discussion Message User 2 posts 08-14-2008 at 10:31pm Copy Comment URL Report Comment Edit Delete well CJ says they have already selected the best tube based on the design so i have just kept 6550s in my two CJ 150 W mono amps. now what i REALLY want to know is can my MV75A1s be converted to EL34s and triode like the MV60 and 55 can be!! i have way too much power going on in that ultralinear 6550 thing happening. i want to hear what triode is all about. maybe Mr. Behr will chime in here he used to be a dealer for CJ i think in the 80s.