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MagneQuest/Peerless Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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MagneQuest/Peerless Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: FS-100 PF and GM70 and 845 amp DIYers posted by Tanker on June 16, 2018 at 08:06:16:
Hi there
what mA is your choke rated for? Mine was 100mA and I ran the GM70 at something like 90mA, PSU was full wave 866A and LCLC filter for power tube and full wave 866A LCLC for driver. I used stacked Film/Oil ASC motor run capacitor in the power supply and, if memory serves me right, a NOS 2uF/2kV sangamo paper/oil capacitor at the output. Take care of the filaments, go for a coleman regulator.
866A's are brutal, a damper diode in series might help in slowing down the initial transient.
That amp sounded great and with EIMACs was even better.
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Follow Ups
- RE: FS-100 PF and GM70 and 845 amp DIYers - gluca 14:45:32 06/25/18 (2)
- RE: FS-100 PF and GM70 and 845 amp DIYers - Tanker 20:08:07 06/25/18 (1)
- RE: FS-100 PF and GM70 and 845 amp DIYers - gluca 00:46:40 06/26/18 (0)
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