Probably Telefunken 10 (tubes not genuine)

 

 

                 
Telefunken 10 wiring plugs   guidance


manufacturer   Telefunken
type   10
circuits   1 with feedback
    3 -tube-receiver with battery heating
    garantee of pure sound loudspeaker reception,
    also usable as a gramophone amplifier (pick-up)
1 set coils   3 pieces for range 220-660 yds
1 set coils   3 pieces for range 500-2200 yds
tubes for   battery-operated 4 V heating RE 054, RE 054, RE 154, ( RE 134 oder 124)
tubes for   mains-operated 4 V heating REN 1004, REN 1104, RE 134
tubes for   mains-operated 1 V heating REN 511, REN 511, REN 601
cabinet   bakelite
dimensions   7.1 x 2.4 x 3.5"
introduced   1927-32

 

                                                  

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