Need AF audio mod info. We really need a "Boat Anchor Transmitter" Forum, but I guess this is close enough. I recently picked up a battered Multi Elmac AF "Trans-citer" and found that the audio driver transformer is missing. It appears that someone has tried to convert the 12AU7 audio section into a phase inverter type circuit. · I remembered there was a Multi-Elmac AF Exciter shoved up on a shelf somewhere that would match up nicely to one of the R/FRR Receivers, but it had no power supply. Easy enough solution, just go out into the barn and get the parts to cobble one together. Multi-Elmac Elmac AF Ameteur Radio Trans-Citer Manual Brand New. US Seller. For sale is reprint of Elmac AF amateur Band radio receiver manual. Manual is 14 pages long and includes 4 11"x17" foldouts of circuit diagram, front panel, power plug connections and chassis layout. Fixed Price $ %().
Multi-Elmac AF Mods and Maintenance By John Conley, W7ZFB Some Suggestions 1. Use a VAC supply with decent V/V regulation. 2. Always feed a 50 ohm dummy load or ant. 3. Use the set long enough to know how it works and where it will and won't load before PI net mods. 4. Align it on the nose. Multi Elmac AF68 PMR 8 on 20 Meters AM. Multi Elmac AF68 PMR 8 on 20 Meters AM. AF Trans-citer Classic K4MGS/WB4KDI "ELMAC" pre on the left; "MULTI-ELMAC" post on the right. The rust above the meter is from sweaty palms -- the send receive switch on the power supply was directly above the left side of the transmitter.
According to the Voltage Table (page 15 of the Manual), I'm preparing to restore my late father-in-laws Multi-Elmac AF, PMR-8, and M AVO Valve Characteristic Meter vcm mk-ii AVO Valve Data manual-2 AVO Valve AF Ameteur TransCiter Multi-Elmac M Power Supply Multi-Elmac PMR MULTI-ELMAC AF TRANS-CITER Meters Cw Plate Modulated Am Transmitter Multi-Elmac AF Trans-Citer Vintage Ham Radio Transmitter w/ Manual.
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