RE: Suitable lundahl line output transformer for 6C45PI

K&K Audio / Lundahl Transformers

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In Reply to: RE: Suitable lundahl line output transformer for 6C45PI posted by KevinC on December 2, 2014 at 09:04:34:

The higher the current, the more prone to oscillation. At 40mA it will be very hard to control, and unless you need the drive it is probably too high. ~18mA and 150V is a very good spot in my experience, but even then, 2 grid stoppers, 4 cathode stoppers, and a plate stopper are required. Your best bet is SMD resistor touching the pins. With through hole and ptp construction, you'll never get close enough. Also, teflon sockets seem to help. If you feel like there is any edge or etchyness or hardness to the sound, it is oscillating.

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Topic - Suitable lundahl line output transformer for 6C45PI - acdc211300@yahoo.com.sg 06:23:23 11/30/14 (3)

RE: Suitable lundahl line output transformer for 6C45PI - akltam 04:46:30 12/23/14 (0)

RE: Suitable lundahl line output transformer for 6C45PI - KevinC 09:04:34 12/02/14 (1)

RE: Suitable lundahl line output transformer for 6C45PI - drsx 23:11:57 12/02/14 (0)

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RE: Suitable lundahl line output transformer for 6C45PI - drsx 23:11:57 12/02/14 (0)

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