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In Reply to: RE: If I could fit that thing inside the chassis.... posted by Ivan303 on June 09, 2023 at 11:37:37
What I find attractive about parafeed is the elimination of the shortcomings of large gapped transformers. I'm interested in the concept of a parafeed design that would combine a relatively inexpensive choke with an ungapped iron or ferrite output transformer. The downside to parafeed for me has always been my dislike of large series caps carrying the signal. However, I've come to realize that low frequency response and other characteristics of gapped transformers commonly available for higher power levels are probably worse, sonically speaking. It all depends on whether a cap can be found that is truly transparent in the midrange.
Edits: 06/09/23Follow Ups:
Lots of H with not some much R being good and not THAT expensive as chokes go.
OTOH, film caps of the size and voltage required for blocking DC are getting better and better and decent can be had cheap (Solen) with better but a few $$$ more.
And for that you get some PS isolation and quiet, or so I am told.
I can recall many moons ago when a 5uF 600V-800V parafeed cap would by default be electrolytic.
Same for cross-over caps in your favorite speaker. But we lived through it.
With horns and a horn sub, I have no need for a low frequency capable power amp.
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