|[AMRadio] No vernier?|
W2EMN via AMRadio
amradio at mailman.qth.net
Sat Sep 12 10:42:45 EDT 2015
My AR-3 takes 3 turns of the knob end-to-end, so it's a vernier. It's in the cabinet so I can't provide more details. I do recall that I spent a lot of time getting the stickiness out of the main tuning cap, so that may be your problem. Or, someone could have substituted a different cap to solve the stickiness problem. I thought it was a great radio when I was 15, now the one I have is a nice memento of times gone by. I'd try eBay for the speaker, I've gotten a 10" on there.
From: CL in NC via AMRadio <amradio at mailman.qth.net>
To: amradio <amradio at mailman.qth.net>
Sent: Fri, Sep 11, 2015 11:25 pm
Subject: [AMRadio] No vernier?
Did Heath really build the AR3 without a vernier drive? Or is the one on the
junker I picked up stuck? The capacitor shaft looks like it may be one of those
mystery verniers I've seen where the smaller diameter shaft goes into the larger
one and magically gives a reduction. I held the larger shaft shaft with pliers
and tried the smaller and it did move, but not convinced it is supposed to.
Also, does anybody make plain communication grade metal frame,
paper cone speakers in the 4, 5, and 6 inch range anymore?
Charlie, W4MEC in
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