Krefft 517 W

(equal good in speech and music)

 

                             
front scale lateral view rear panel removed HF - part power supply

 

 

                 
HF - wiring LF - wiring rear panel advertising


manufacturer   Krefft ( Weltfunk )
type   517 W
      
FM - unit    
circuitry   7 - circuits -superhet
range   87,5 - 100 MHz
circuits   7 ( 2 tunable, 5 fixed )
IF   10,7 MHz
HF - rectification   ratio - detector
     
AM - unit    
circuitry   6 - circuits - superhet
ranges   SW - AM - LW
circuits   6 ( 2 tunable, 4 fixed )
IF   473 kHz
HF - rectification   diode
antifading   on 3 tubes working
     
specials   can also be delivered with record player as
    Phonosuper ( table - top ) and with
    automatic record changer as 
    radio - gram
     
speaker   perm. - dyn. 3 W, 175 mm Ø ( 7" )
kind of current   AC ( Typ 517 GW AC / DC )
voltages   110 - 240 V ( GW 110 - 220 V)
power consumption   40 W ( GW 40 W )
fuse   110 - 240 V 0,6 A ( GW 110 - 220 V 0,4 A )
dial lamps   2 x 6 V 0,3 A ( GW 2 x 18 V 0,1 A )
cabinet   rare wood, walnut tree
dimensions   595 x 390 x 300 mm ( 23.8 x 15.6 x 12" )
weight   12,3 kg ( GW 11,6 kg ) / 27.2 lb ( GW 25.6 lb )
tubes type W   ECH 42, EF 42, EAF 42, EM 11, EL 11
tubes type GW   UCH 42, UF 42, UAF 42, UM 11, UL 11, UY 11
type 517 W 83-67-5600   with EFM 11
rectifier for typ W   Tr. 250 B 100
ratio - detectorr   2 germanium - diodes
price when introduced:   DM 398,-- for Ttype W, DM 418 for type GW
introduced   1951/52

 

                                                  

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