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 Post subject: Zenith Transoceanic
PostPosted: Nov Mon 27, 2017 8:07 am 
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Joined: Sep Sat 22, 2007 3:19 am
Posts: 542
After all these years I just find out there are two 7000 Trans oceanics. What then is the difference between the Royal 7000 and the R7000 besides them looking different?
Fred


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 Post subject: Re: Zenith Transoceanic
PostPosted: Nov Mon 27, 2017 12:56 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 19396
Location: Utica, NY 13502 (USA)
The R7000 is a completely different and more complicated radio compared to the Royal 7000. The two models are often confused due to their similar model numbers and cabinet design. The most important difference to me is that the R7000 covers the entire HF shortwave spectrum while the Royal uses "spreadbands" that tune only portions of the higher frequencies of the spectrum. The R7000 uses double conversion while he Royal does not. While the Royal 7000 is American-made, most R7000's were made in Taiwan.

Dave


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 Post subject: Re: Zenith Transoceanic
PostPosted: Nov Tue 28, 2017 1:19 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1120
Location: Las Vegas, NV, USA 89052
Dave could be right, but I thought all ZTOs were single conversion?

Anyway, the R7000 also used PCBs (some plug-in) & some ICs. The Royal 7000 had point to point wiring & all descrete components. Additionally, the first year / run being made in Chigago, the R7000 is said to be the last transistor radio made in the USA.

The R7000 is also a lot rarer and generally more expensive today.


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 Post subject: Re: Zenith Transoceanic
PostPosted: Nov Tue 28, 2017 2:45 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 19396
Location: Utica, NY 13502 (USA)
Greg Dan wrote:
Dave could be right, but I thought all ZTOs were single conversion?
You are correct. Unlike the earlier T/O's, the IF frequency in the R7000 is 10.7 MHz on all bands which is how they get such good image rejection without using double conversion. My mistake.

Dave


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