sanox
New Member
Posts: 37
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Post by sanox on Feb 7, 2023 22:40:21 GMT -7
Hoping the good Dr. can chime in here. My MKII is working like a charm but have noticed ef86 tubes are slim picking out there. Can I get replacement tubes through the Z factory. If not what do you recommend for the ef86 replacement tube. As a second inquiry. I have many octal power tubes left over from previous amps. Being cathode biased can I use them? Eg: 6L6, EL34, KT77, KT66 and JJ 6V6 is what I have in the shelf. Thanks Doc.
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Post by Rockerfeller on Feb 8, 2023 4:34:51 GMT -7
I'm quite sure Doc doesn't sell tubes. He reserves them to put in amps.
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Post by mule43 on Feb 8, 2023 5:16:46 GMT -7
The Tube Store carries winged c ef86 tubes. I think, might be wrong, that they are the same tube that comes in the Z28 MK II. Also Antique Electronics carries several ef86 tubes.
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Post by DRZ on Feb 8, 2023 6:49:07 GMT -7
Hoping the good Dr. can chime in here. My MKII is working like a charm but have noticed ef86 tubes are slim picking out there. Can I get replacement tubes through the Z factory. If not what do you recommend for the ef86 replacement tube. As a second inquiry. I have many octal power tubes left over from previous amps. Being cathode biased can I use them? Eg: 6L6, EL34, KT77, KT66 and JJ 6V6 is what I have in the shelf. Thanks Doc. Your first question was answered correctly by members , I'm not in the business of selling tubes. And second, NO do not roll leftover output tubes in your new Z 28 MKII. You can not verify their condition. The Z 28 MKII is optimized for the use of the Psvane Small bottle 5881, no different output tube will come close to the to the their tone coupled with the matching output transformer , and the bias resistor value. You will be jeopardizing the operation of your new amp just to try a handful of used old tubes that will not improve its operation. Z
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sanox
New Member
Posts: 37
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Post by sanox on Feb 8, 2023 8:40:15 GMT -7
Sage advice indeed. Thanks to everyone. I’ve never heard of Antique Electronics. I’ll check them out. My curiosity does get the better of me sometimes and I’m trying to use the wisdom of collecting birthdays and check in here before do something I’ll regret. Cheers.
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Post by Chilly Gibbons (Todd T.) on Feb 8, 2023 14:28:55 GMT -7
I’ve had good luck with Psvane thus far. Good to see a new tube maker out there, even if it’s in China.
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