The Marconi CR100 B28 A self - contained Communications Receiver of super heterodyne type with AVC for use on CW or Phone reception. As with other versatile equipment of the Forties, the CR100 was subject to a number of variations, most of them minor in specification, to suit particular Service needs.

Broadcast, Long Wave and more than two Short Wave bands. - For headphones or amp. Boatanchor (heavy military or commercial set >20 kg). In 1959, excess B28 receivers have been modified (Lt. Compley-Mey) with installation of a 10 W crystal controlled CW transmitter under the lid of the receiver.

The Marconi CR100 was one of the many communications receivers that appeared on the government surplus market in the 1950s and 1960s. The receiver was a single conversion superhet covering LF, MF, and HF bands.

All variants with the exception of the CR100/2 were used in one form or another by the Royal Navy and given the designation B28, or in the case of the CR100/6 which was given B35.

Royal Navy variant, covering 60 kHz - 30 MHz (60-160 / 160-420 / 500-1400 kHz / 1,4-4 / 4-11 / 11-30 MHz), AM, CW (BFO). Linear analog dial, logging scales marked with numbers; 5 bandwidths.

The CR100/1, /4, /5, /6, /7 and /8 were also called the Admiralty Model B28 receivers. 'Admiralty Pattern B28' was the standard MF/HF receiver on the Royal Navy and Royal Canadian Navy ships in World War II.

Jun 3, 2021 · The Marconi CR100 was one of the many radio communications receivers that appeared on the government surplus market in the 1950s and 1960s. The receiver was a single conversion superhet covering LF, MF, and HF bands that performed well for a radio of its time.

WWII MARCONI CR 100 RECEIVER (B28) A general purpose communications receiver during World War 2 The Marconi CR100 B28 is a self contained Communications Receiver of super heterodyne type with AVC for use on CW or Phone reception.

Development of the Marconi CR100 commenced at the outbreak of the second world war and it finally went into production in 1941. Although it was generally remembered as being a Naval set, variants were in fact used by all three services. For instance, B28/CR100-7 variants saw service aboard Royal Navy warships. RAF versions were known as the R1297.

The CR100/1, /4, /5, /6, /7 and /8 were also called the Admiralty Model B28 receivers. Admiralty Pattern B28 was the standard MF/HF receiver on the Royal Navy and Royal Canadian Navy ships in World War II.