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 Post subject: Panasonic AM/FM electronic tuning?1968
PostPosted: Mar Thu 15, 2007 3:01 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 588
Location: Shiner ,Texas
I remember seeing a Panasonic radio with automatic tuning,using preset stations ..after pushing a button it would search the dial...and stop where you set it....about 1968 transistor set.Anyone remember this one?


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 Post subject:
PostPosted: Nov Tue 13, 2007 2:53 am 
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Joined: Nov Tue 13, 2007 2:37 am
Posts: 2
I think you're referring to the Panasonic RE-6250. It has three presets for AM and three for FM. Tuning is by voltage...six pots are located behind a translucent blue panel along the lower edge, one for each preset. There are four keys above the blue panel, right of the speaker. One key is for each preset plus "manual"... another pot set next to the keys. The tuning indicator is a backlit deflection meter. Little lamps glow through the blue panel above the preset pots to indicate which preset is selected.

It's a cute idea, but a poor execution. The radio is very, very drifty and touchy to tune. The sound quality is mediocre. The tuning indicator is nearly useless as the scale is too short and the needle bounces as the radio is tuned. My 1962 Pana RE-730 has far better sound and it's tuning is rock-steady. But it doesn't have presets. :wink:

I just bought mine on Saturday at the Michigan Antique Radio Collectors swap for $15.


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 Post subject:
PostPosted: Nov Tue 13, 2007 12:50 pm 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: Utica, NY 13502 (USA)
Someone has this print ad for an RE-6250 for sale on ebay:

Image

Dave


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 Post subject:
PostPosted: Nov Tue 13, 2007 4:32 pm 
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Joined: Sep Fri 07, 2007 2:21 am
Posts: 2069
Location: Brunswick, ME 04011 (USA)
...yes, it was an early attempt at using varactor diodes (IIRC, they called them 'Capistors') instead of mechanical capacitors for tuning...I guess the 'newness' of the concept was such that they hadn't worked the bugs out yet...


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 Post subject: Re: Panasonic AM/FM electronic tuning?1968
PostPosted: Jun Wed 19, 2019 1:27 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1894
Location: Monroe, NC 28112 USA
There is one RE-6250 for auction on: https://ruslands.hibid.com/lots/?q=radios&apage=3

I have one... If you like truly unique designs, I'm thinking this is the only broadcast radio to use a d'Arsonval meter as the frequency read-out. If you know otherwise, let me know...

This photo found on Worthpoint.

Robert


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 Post subject: Re: Panasonic AM/FM electronic tuning?1968
PostPosted: Jun Wed 19, 2019 4:17 pm 
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Joined: Sep Tue 30, 2014 6:08 am
Posts: 4215
Location: Norfolk, VA
Sperrkreis wrote:
I remember seeing a Panasonic radio with automatic tuning,using preset stations ..after pushing a button it would search the dial...and stop where you set it....about 1968 transistor set.Anyone remember this one?


What about the R-1500?

viewtopic.php?f=4&t=328965

_________________
Brian
"Capacitor Cosmetologist since 1979"
USN Retired 1984-2006 (Avionics/Cal)


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 Post subject: Re: Panasonic AM/FM electronic tuning?1968
PostPosted: Jun Thu 20, 2019 2:51 am 
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Joined: Dec Wed 16, 2015 10:31 pm
Posts: 245
Location: Toronto ON
They brought out a line of Technics receivers in the early 80's that used a meter (as well as a digital readout) as a tuning indicator.


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