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Reply To: | Mike Duke, K5XU |
Date: | Sun, 2 Dec 2007 09:21:17 -0600 |
Content-Type: | text/plain |
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Ah yes, the VF Wonder. It was indeed variable, and you would always wonder
where you were transmitting. Someone came up with a way to replace the tube
with a transistor, and actually turn it into a rather stable unit.
Later models of the DX40 had really good audio for a screen modulated rig.
They changed a few capacitors and something else that I can't remember in
the audio circuit to keep it from sounding basey and muddy like some of the
early models of the DX40 and the DX35 did.
I have one of the first DX60 transmitters, which my late Elmer's wife built
on their kitchen table in 1962. She had never touched anything electronic
before, and it worked the first time it was powered up.
The DX60 is essentially a DX40 in the more streamline cabinet. It's not as
tall and box-looking as the DX40. The A and B models of it also had slightly
varied modulation schemes.
The TV repair shop owner in my home town built the HG10 vfo for him. My
friend who restored it said the work on the transmitter wasn't bad at all
for a first-time kit, and the vfo assembly could pass for a factory job.
The matching receiver for the DX60 was the HR10. As receivers go, it too was
nothing to write home about. But, I'd like to find a cheap one just to have
the matching set.
Soon I will be able to use the DX60 with my original station receiver, a
Hammarlund HQ110, which was my Christmas gift from my parents in 1968. I
just shipped it off to a guy in Virginia who specializes in Hammarlund
receiver repair and restoration. After sitting idol for many years, it needs
the usual power supply capacitor replacements and a good alignment.
Hopefully, that will be all it needs.
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