"Kenneth G. Gordon" wrote: > > So which dynamotor did the ARC-5 receivers use: the DY-2/ARR-2 or the > DM-32? The DY-2 is part of AN/ARC-5. The DM-32 is part of SCR-274N. The ARA uses CCT- or CBY-21531 for 24 volts and the very rare ARA-2 CBY-21400 for 12 volts