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In Reply to: RE: Interstage transformer to 600R recommendation needed posted by Joshua_G on December 6, 2013 at 13:56:58:
In reality, the tube performs the best with a negligible load, which is why constant current source loads sound better than resistive loads.
The primary inductance with the C side windings in series with a 60mA gap would be about 18H. The roll-off can be estimated using the equations in the LL1620 data sheet.
Kevin Carter
K&K Audio
www.kandkaudio.com
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Follow Ups
- RE: Interstage transformer to 600R recommendation needed - KevinC 15:56:10 12/06/13 (1)
- RE: Interstage transformer to 600R recommendation needed - Joshua_G 16:36:22 12/06/13 (0)