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Re-biasing a CJ Premier 8

I am considering to get a used CJ Premier 8 amp, current tubes are 75%-50% of their life (12 6550 per side) and dealer recommends me to re-tube both units.

1.- Which are the best options considering a high price/performance ratio?

2.- Any word on domestic Svetlanas vs fying "c" options?

3.- What about trying KT90´s?

Thanks for your feedback.

Fernando
128x128flg2001
flg2001's avatar
flg2001 OP
543 posts
 
I was placing more focus to the output tubes, thanks for the info.

Fernando
sonicsoul's avatar
sonicsoul
6 posts
 
Do you still own these amps? I am breaking in these amps which I just purchased with new tubes from CJ. I am not very happy yet with the sound as they need to break in! What pre amp and speakers have you chosen with these monos?
avguygeorge
2,300 posts
 
When I had my 8's, I used a CAT-3--(10 tubes in that). Just before tuning my estate to my local DWP--- or my tube supplier---I sold the big-8's.--Now use CJ's 350 ss amp and may not have to go under. (I listened way more than some !!)
---Which made it costly.-- I could use up 3000 hrs in a week, and I never exaggerate.
flg2001's avatar
flg2001 OP
543 posts
 
I sold the amp a few years back - I partnered it with many preamos - the best option was a CJ Premier 11 - a little dark sounding - best sound came out from 16 expensive KT88 I got from the UK - (cant remember the make) but are quite famous.

Worked great with my previous Avalon Eclipse speakers.

Hope this helps
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