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Anyone running a pair of Heathkit Twins?

Discussion in '"Boat Anchor" & Classic Equipment' started by N3AWS, Sep 3, 2021.

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  1. N2EY

    N2EY XML Subscriber QRZ Page

    The "Gold Dust Twins" wouldn't transceive, though.

    A bit of trivia: the nickname "Gold Dust Twins" was inspired by - a brand of washing powder.

    73 de Jim, N2EY
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  2. KE0ZU

    KE0ZU Ham Member QRZ Page

    The pair made a pretty impressive stack of machinery though.

    Its true they didn't transceive, but the question was about "twins", not not whether they would "transceive" or not, even though I guess it may have been implied. Did all of heath's twins transceive?
    Last edited: Sep 5, 2021
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  3. WA9FZB

    WA9FZB XML Subscriber QRZ Page

    Heathkits transceive? Not sure.

    I AM sure that the yaesu twins transceive. I have the interconnect for mine. Rarely used it, though, as I was still fully familiar with separates when that station was my active rig.
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  4. N8YX

    N8YX Ham Member QRZ Page

    They do.

    Everything I mentioned in my original reply will "transceive". In the case of receiver/transceiver pairs, this feature becomes "receiver controlled transceiver".

    I'm running my JST-135/NRD-525 pair as separates. I have the required cable set to enable full transceive operation and am constructing my own CMH-741 (RS-232) board for the transceiver. When that's done I'll cable the serial ports together and play radio that way.
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  5. N8YX

    N8YX Ham Member QRZ Page

    One small addendum to the above:

    The HR-1680/HX-1681 will not transcieve - no provisions for driving one's HET and VFO circuits with signal from the other. Nor will the JST-135/NRD-525; with the latter pair, frequency control between the two is done digitally (instead of by analog means, as with everything else I listed).
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  6. UT7UX

    UT7UX Ham Member QRZ Page

    What does 'Digital Receiver' mean towards FR-101? Frequency counter and digital readout? Nowadays 'digital' could mean smth different (like SDR) so I'm curious.
  7. N8YX

    N8YX Ham Member QRZ Page

    There were two versions of the FR-101 built:

    One used an analog dial readout just like the companion FL-101 transmitter. Is was designated as an "FR-101S". The other offered a digital readout (which was the counter assembly from a YC-601 with extra readout logic for the various SWBC segments). It was designated as the FR-101D. Both models simply showed "FR-101" on their face plates.

    I've seen one -101D which apparently used the red LED display from a YC-601B, instead of the original YC-601's green VFD. No idea if this was factory or someone's well-executed refit.
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  8. N8YX

    N8YX Ham Member QRZ Page

    I don't know if these parts are from the receiver I mentioned above, but I was cruising the auction site last night and found a red LED counter unit plus the front panel bezel w/ red filter. It's now inbound. I'll probably install the new unit in my FR-101D (though I'm tempted to convert my -101S to a digital readout). It's also tempting to scrounge a YC-601B, gut it and modify my FL-101 to use the assembly....though the transmitter has an optional speech processor installed and I doubt there's room for the counter.

    There were apparently two different runs of the rigs. I've found an example on Universal's site simply labeled "FR-101", one on the 'Net labeled "FR-101S" (analog) and another labeled "FR-101 Digital".
    Last edited: Sep 8, 2021
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  9. N5EZ

    N5EZ Ham Member QRZ Page

    How about the MR-1 and MT-1?
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  10. N2EY

    N2EY XML Subscriber QRZ Page

    Or the RX-1 and TX-1?
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