Here's a link to the Phillips AF amp used in the Pegasus. Note that
the output leads to the speaker have a dc voltage on them and must be
kept floating above ground. It's a simple matter to run the speaker
leads out to a good external speaker but keep them ungrounded. I used
some some small speaker wire and ran it down through the bottom vent
holes out to an in-line, plastic phone jack.
Steve N4LQ
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