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Duffy
Year Model no Chassis no Description V no IF (kHz) Valve Line up Circuit ref Page Alt circuit ref Alt Pg Picture Page_ Orig price Notes
1933 8V All World   AC AW Con. 8             W.W. 15/12/33 48 37/10/0  
1934 8V All Wave   AC AW Con. 8             W.W. 20/7/34 5 39/10/0  
1934 Comet 51   DC AW Con. 7   77, 4*78, 77, 89         W.W. 20/7/34 5 42/10/0  
1934 Comet All Elec.   AC DW Con.               W.W. 20/7/34 5 29/10/0  
1934 Comet Batt.   Bat. DW Con.               W.W. 20/7/34 5 32/10/0  
E.C.A.
Year Model no Chassis no Description V no IF (kHz) Valve Line up Circuit ref Page Alt circuit ref Alt Pg Picture Page_ Orig price Notes
1930 All Elect. 3   AC BC Table 4 TRF           W.W. 28/3/30 51 25/10/0 E.C.A. formerly known as Udisco.
1930 All Elect. 4   AC BC Table 5 TRF           W.W. 28/3/30 51 34/12/6  
1930 All Elect. 6   AC BC Table 7 TRF           W.W. 28/3/30 51 46/17/6  
1930 Comb. Concert   AC BC RG   TRF           W.W. 28/3/30 51 167/2/6  
1930 Radio Phono   AC BC RG   TRF           W.W. 9/5/30 45