I just could not control myself this time: some guy sold these two units on ebay for 1 € and I just could not resist. Now I’m the owner of 3 “SRA Svenska Radio AB CN-504″ – and there is alsmost nothing to be found on them. Only one website has some info on them. it says, that it goes from 138 to 179 MHz, so it should be able to work in the 2m amateur radio band.
So now it’s searching for a manual and more important a circuit diagram.
Inside we have a lot of 70ies electronic goodness, there’ll be a video of the inside soon.
cheers,
your AE
Hi!
Have you found an Manual or schematic for the SRA?
I´m searching for Info about the CN-502 (4m)
thanks!
johannes
No manual yet :( but Stefan K. sent me 2 pages on how to connect something 50Xish to several kinds of speakers/microphones/earpieces and so on.
I found a guy at the radio club who should be familiar with it, though he hadn’t have time yet. Also they have the equipment to measure HF.
If I get them to work in the amateur bands I will make a post on how to do it.