I scored two nice boxes recently on flea.
First is the Crown SZ-5100SL which I bought it for 8 euros on the local flea market.
It was very dirty but after a good bathing I've done it came nice and shiny. Everything works. I cleaned all the switches with the deoxit, cleaned and lubed the both decks and changed the deck belts.
All the plastic crunch when I carry it around
and it is very light in weight but it's looker 
The both antennas are not original and for the quality of the sound i refuse to talk
Here it is some pics
The second is Sound PC-172 also found on flea but this one it cost me much expensive, the whole 12 euros
This is an aka of Helix 4636.
For this one I did the same procedure with the cleaning and changing of belts and all it's working as it should except the transformer it doesn't work
It is work nice with battery and adapter on 15 V.
Also the antennas are not original but I found some similar to fit and it's look nice now
It weighs almost twice as the Crown, although both are the same size.
The sound is very good with the precise highs and very solid bass and it's very loud.
Another thing about this box it came strange, I can not find any other pic or info about this model anywhere on the internet
This may be a rare bird
The pics
First is the Crown SZ-5100SL which I bought it for 8 euros on the local flea market.
It was very dirty but after a good bathing I've done it came nice and shiny. Everything works. I cleaned all the switches with the deoxit, cleaned and lubed the both decks and changed the deck belts.
All the plastic crunch when I carry it around
and it is very light in weight but it's looker The both antennas are not original and for the quality of the sound i refuse to talk
Here it is some pics
The second is Sound PC-172 also found on flea but this one it cost me much expensive, the whole 12 euros
This is an aka of Helix 4636.
For this one I did the same procedure with the cleaning and changing of belts and all it's working as it should except the transformer it doesn't work
It is work nice with battery and adapter on 15 V.
Also the antennas are not original but I found some similar to fit and it's look nice now
It weighs almost twice as the Crown, although both are the same size.
The sound is very good with the precise highs and very solid bass and it's very loud.
Another thing about this box it came strange, I can not find any other pic or info about this model anywhere on the internet
This may be a rare bird
The pics
