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The Mk.123 is a hf transceiver for special communications as clandestine and diplomatic service. The equipment is carried in a canvas transit case or stowed with associated ancillaries in a wooden transit case.
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Receiver: Freq. coverage Circuit Features IF Valves Transmitter: Circuit Features Freq. coverage Valves/Tansistors Power Supply Dimensions |
2.5-20 Mhz in three ranges Superhet with RF stage and BFO (AM R/T and CW) 465 KHz 3 x EF72 (CV465), 3 x EA76 (CV466), 1 x QS1202 (CV4052) CO, RF power amplifier (CW only) 2.5-20 Mhz 1 x 5A/163K (CV1635), 1 x 5B/251M or 5B/254M, 1 x OC72 (CV2400) Mains:100-150V 200-250V in 10V steps AC40-250Hz Hand generator:Mk.801A Batteries: 12V DC using external power supply unit MK.123V Receiver/Transmitter 8.5 x 13.6 x 29.9 cm weight 3.5 kg; 12v inverter: 8.5 x 13.7 x 12.2 cm weight 1.7 kg; Complete wooden box: 24 x 19 x 34 cm weight 7.9 kg |
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