Dear Paul,
First of all, I can't see how anyone in their right mind would remove the
gorgeous rack hadles that I designed for the unit. Most assuredly, this is
one of the late units. There is no "tuning knob" as tuning is accomplished
by an up/down button on the side of the display window. The tuner is
synthesized in 100kHz steps. There is really no need for analog tuning for
FM applications because it is absolutely mandatory that the station be
crystal controlled and "right on the money". And believe me, the FCC does
check all of the stations to make sure. If you had terrific interference,
analog tuning might be of some help but then if you needed it, your
selectivity would be pretty lousy to begin with.
James Bongiorno
Paul Anthony Bigelow wrote:
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Dear James,
Thank you for the response! When it rains, it pours. I state
this because I have located a Charlie tuner. It does not
have the handles so I assume it is a later one. The
serial no is 700801, if that is any indicator. Are the
rack handles removable?
It is my understanding that Charlie's tuning is synthesized.
Are there any provisions for analog fine tuning or is that not
necessary with the Charlie? There is a tuning knob on the
Charlie isn't there? What are the tuning steps? Are tuning
steps smooth without annoying thumps as the synthesizer
locks?
My apologies for all the questions, it just seems that there
is virtually no information on the internet. Solid state
Hi-Fi history is quite scarce.
Best regards,
Paul Bigelow
--- In SAE_Talk@..., James Bongiorno <sstinc@e...> wrote:
Dear Paul,
The "Charlie" was indeed a model 700. And it did not use nixie
tubes but
rather LED display readouts. The faceplate was available in either
black (to
match the Andromeda amp) or in Gold (to match the Model Nine amp).
Be
forewarned however, as there are about 1500 Charlies out there
(without the
handles) that have NEVER been properly aligned. These were brought
in after
I sold the company and since the RF equipment was all my personal
gear, I
took it with me when I left. They subsequently never replaced this
test gear
and just sent the Charlies out as is. This is what happens when you
sell a
company.
James Bongiorno
Paul Anthony Bigelow wrote:
Hello James,
Is the Sumo Charlie also referred to as a Model 700?
Does the unit have an aluminum or black front panel
or was it available in both?
Did the tuner always use the nixie tube for the display?
Best regards,
Paul
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