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In Reply to: Grid chokes posted by driguy on April 6, 2016 at 15:57:06:
Thanks for the report on the effect that installation of grid chokes had in your projects. They are a mostly unappreciated part of the magnetic fraternity that we have available to use in audio circuits. I've had similar experiences.
It's worth noting that if you want to see what a grid choke might do for your amplifier input, etc., and you have a couple of small signal highish impedance 1:1 or such transformers in your not-currently-in-use box, you can connect one of the windings in as a grid choke (leaving the other unconnected) to preview the effect. Most grid chokes, including the LL1670, have higher inductance than most small signal transformers, but it still gives a taste of the improvement possible.
Kevin Carter
K&K Audio
www.kandkaudio.com
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Follow Ups
- RE: Grid chokes - KevinC 18:59:02 04/06/16 (0)