PPL-based middle wave transmitter

tegendemuur

Well-known member
A little off-road, but relevant, as it was you guys here who allowed me to start building this kit I bought over a year ago. Really needed instructions / best practice on how to build this thing; recognize and measure components and sort of figure out what's going on through its schematic... (now I'm in the deep preparing ten stereo builds, but those are stories for a later time...).

Anyway, this is a medium wave transmitter (522-1602khz, to be selected through dipswitch, jumpers and adjustable capacitor) that allows one to play music on old tube radios and such. Selling these as kits is a grey area in the EU, as transmitting on these airwaves is not legal. Got this 60s naval radio for 30,- back in the day to make industrial / harsh noise with. Just wiggling my finger in the antenna jack and run its two TS out jacks into effect pedals, and twist knobs, was fun enough. But, I needed more! As you can see, this radio has all kinds of knobs to tweak the sound (multimode filter, tone, sensitivity, gain), so now I can send line instruments over the air (about 2m max with the build in amplifier; good enough for my purposes / not harassing anyone). A cable antenna likely yields cleaner sounds, but I haven't tried that yet. In effect its just a really gnarly and really loud fuzz. It can do overdrive as well. Nothing clean or anything a guitarist would want, but that's not my area.

So yeah, this is more of a thank you than something any of you needs. <3

x.png DSC_1031.JPG am zender schema.jpeg
 
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