Service Data  
  available  
  for  
  ROBERTS Radios  
     
     
Model No. / Name Year Valve (Tube) / Transistor Line Up
BR CR 1953 DK92 DF91 DAF91 DL94
CR 1955 DK92 DF91 DAF91 DL94
JUNIOR 1949 DK91 DF91 DAF91 DL92
M5A 1939 ECH3 EF9 EBC3 EL3 AZ1
MR 1953 ECH81 EBF80 ECL80 EZ80
P4D 1946 DK32 DF33 DAC32 DL35
P5A 1946 ECH35 EF39 EBC33 EL33 AZ31
R200 1960 OC44 OC45(2) OC78D OC78(2)
R55 1954 DK96 DF96 DAF96 DL96
R66 1956 DK96 DF96 DAF96 DL96
R66 1956 DK96 DF96 DAF96 DL96
R77 1957 DK96 DF96 DAF96 DL96
R77 1957 DK96 DF96 DAF96 DL96
R88 1960 see R77 (1957-58)
RP4 RMB 1955 DK92 DF91 DAF91 DL94
RT1 1958 OC44 OC45(2) OC71 OC72(2)
RT7 1960 OC44 OC45(2) OC71 OC81(3)
RT7 1961 OC44 OC45(2) OC71 OC81D OC81(2)
 
 
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