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Mr 1936 · 11th Oct 2021, 4:34 pm

In answer to simpsons, this is a stereo radio which was (unusually) designed for two separate outboard loudspeakers. Grundig in their wisdom specified these as 5 ohm types.

If the loop antenna has one big single turn it is likely to be for the FM/VHF band. If it has multiple turns it is probably intended for the AM/BC band. Usually the plugs and sockets differ for FM and BC antenna inputs to prevent misconnection, but this may not be the case.

11th Oct 2021, 4:34 pm	#10
Mr 1936 Heptode Join Date: Mar 2017 Location: Romsey, Hampshire, UK. Posts: 524	Re: Grundig 5399/u/s In answer to simpsons, this is a stereo radio which was (unusually) designed for two separate outboard loudspeakers. Grundig in their wisdom specified these as 5 ohm types. If the loop antenna has one big single turn it is likely to be for the FM/VHF band. If it has multiple turns it is probably intended for the AM/BC band. Usually the plugs and sockets differ for FM and BC antenna inputs to prevent misconnection, but this may not be the case.