Cubic R3030 - dual receiver 5 kHz 30 MHz AM/LSB/USB/CW/FM

Cubic R3030 dual HF (5 kHz...30 MHz) receiver - badged as a Malborough Communications Limited (Ltd) MCR 3030B used by the RAF.
This is a great example of the very rare Cubic R3030
Two very high performance dual conversion HF receivers in one case, each receiver has it s own set of controls, audio, antenna etc.
modes: AM, FM, CW, LSB, USB
bandwidth : 0.5, 1,2,4,8 kHz (AM, CW, FM) : 2 kHz (LSB/USB)
IF shift +/- 9.99 kHz
BFO +/- 9.99 kHz
meter - signal strength or audio or frequency tune.
AGC manual, 0, 0.05, 0.25, 3 sec
tune rates 10 Hz, 100 Hz, 1 kHz
IF 40.455 MHz & 455 kHz
rear panel IEEE & address switch, 2 x antenna, 2 x 1st IF, 2 x 2nd IF, Ref In/Out, 2 x phones, audio, power
This is a very high performance HF receiver designed for demanding applications and was used by many government agencies like the NSA. This model was used by the RAF under computer control for special applications.
The receiver works well and shows great sensitivity and performance (it is rated at -124 dBm for 10dB S/N CW). The membrane keyboards are not the easiest to use and can take a hard press to resgister.