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Re: [Amps] EICO amp was RE: Western Electric

Subject: Re: [Amps] EICO amp was RE: Western Electric
From: Jim Brown <>
Date: Thu, 24 Mar 2022 16:49:31 -0700
List-post: <>
Exactly right! U Wis EE prof R A Greiner published his research in a classic AES Paper nearly 50 years ago! What he didn't know (or maybe knew and didn't emphasize it) is that twisted pair is excellent at rejecting differential mode RFI to power amps! The coupling mechanism is via the feedback loop around the output stage, with rectification at the stage where the feedback joins the signal chain.

73, Jim K9YC

On 3/24/2022 1:25 PM, Rob Atkinson wrote:
Best speaker wire in the world is AWG 12 or 14 copper solid THHN house
wire.  Put two lines in a drill chuck, spin and twist.  Run from amp
to speaker.  Can't do better for home use.

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