Vintage Asylum

RE: AM/FM simulcast stereo radio

24.27.41.140

Triode_Kingdom

In Reply to: RE: AM/FM simulcast stereo radio posted by adam@denderapartners.com on March 02, 2023 at 10:01:32

Harman Kardon also made a number of stereo receivers based on this format. AM in one channel - FM in the other. I wonder how many eBay buyers have been fooled into thinking they were bidding on a stereo MPX receiver, when in fact the unit was only mono in today's world.

Follow Ups:

True, but some of the separate AM and FM tuner, umm, tuners had MPX stereo, too - mhardy6647 15:13:31 03/02/23 (4)
Case in point :)

This Heathkit has a built in (and functional) MPX decoder, but also could be used for AM-FM simulcast stereo.

all the best,
mrh
- RE: True, but some of the separate AM and FM tuner, umm, tuners had MPX stereo, too - Triode_Kingdom 16:20:47 03/02/23 (3)
  A number of companies offered receivers with separate tuners. I don't recall any offering simulcast output plus FM MPX, unless it was a model with the MPX offered as an option. HK did that for a short time.
  - Fisher 800B - caffeinator 06:46:57 03/05/23 (0)
    The Fisher 800B had AM, FM, AM-FM stereo, and FM MPX, all in one large and very heavy unit. The linked page has a nice writeup on this behemoth as well as a good synopsis of the broadcast standards uncertainty that begat such a chimeric paradox.
    
    I have had an 800B for a long time. I like its ability to tune and play AM very nicely, if one is lucky enough to find a good AM station to play. I have used it most often to listen to sports broadcasts, since they seem to be easier to find on AM.
    
    It still has the ability to play AM and FM simultaneously, of course, which, while an amusing novelty, usually yields the most cacophonous caterwauling combinations one can imagine. I'm reminded of "Jazz Plus Jazz Equals Jazz" on Parks and Recreation.
    - https://antiqueradio.org/Fisher800B.htm (Open in New Window)
  - I just showed you one from Heathkit - mhardy6647 18:27:40 03/02/23 (1)
    It's upstairs in my hifi nook.
    
    all the best,
    mrh
    - Doesn't look like it - Triode_Kingdom 08:10:26 03/03/23 (0)
      Nothing in the documentation or the description of the AJ-41 indicates that it's capable of simulcast. The Stereo position on the Mode selector is FM MPX only.

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