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Hi all,

I got lucky and had the change to buy a second hand, very well conditioned Beotalk 1200.

There were some faults on the machine, at first the cable between the set and the splitter was a cross-over cable, so the unit would not power-up. After changing this to a straight type cable, the unit powers-up.

Well done I said.

Next I connected the unit to the land line, and made a call to it. All went well, till I tried to listen to it. When I pushed the news or listening button, the unit just played the first 2-3 seconds and then it switched off completely, with a immediate switch-on again. I immediatly suspected the mains adaptor to be faulty, and my decision was right. It was a 7,5 Volts type, normally used on a Beocom 6000.

I put the Beotalk on a laboratory supply and moved after several testing and calls, the power slowly up to 12 volts, what seems to be the best voltage for a satisfying working condition at listening and max. Volume.

I had luckely in my garbage somewhere 👍 a spare 12 volts adapter for the unit.

My conclusion is:

I was lucky to have the technical luggage, to fix the Beotalk, but I have no technical details how much voltage the original mains adapter is. But I suspect it must be between 9 volts and 12 volts with around 500mA?

Anyway the unit is working now perfectly and I am a satisfied buyer, the only thing I miss is a wallbracket.

My lesson: You will have to be very carefull in buying second hand equipment