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In Reply to: RE: Interstage transformer GM70 amplifier posted by Tubenstein on March 14, 2016 at 04:33:55
Lundahl doesn't have any plate chokes that are large enough for your purpose. You should check with Mike LeFevre at MagneQuest and see what he has to say. He was much more involved in designing for parafeed operation than Lundahl has ever been.
Kevin Carter
K&K Audio
www.kandkaudio.com
Follow Ups:
BTW, do you have SE output transformer for parallel feed application with 5K primary? The output tubes would be KR-300BXLS.
Thanks!
Let put in this way, whether Lundahl has made a version of LL9202AMPPZ with 5K primary?
thx!
If you look at the data sheet for the LL9202, you will see that the closest you can come to 5K with the LL9202AM/PPZ is 6.5K.
http://www.lundahl.se/wp-content/uploads/datasheets/1620_3_7_9202.pdf
http://www.lundahl.se/wp-content/uploads/datasheets/1620_3_7_9202_AM.pdf
Kevin Carter
K&K Audio
www.kandkaudio.com
Any AMPPZ (amorphous parallel feed) transformer from Lundahl made for 30-50W Power Range and primary impedance is a must?
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