Marine Receiver – Redifon R 408

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Dear Sparks,

this time we remember the well know receiver REDIFON R 408 one of the first receiver properly realized with both SSB mode (USB and LSB), the receiver, fully transistorized (except the oscillator for 500 kHz with one tube), employed the Loop of Wadley and it was very stable indeed, with this receiver frequency drift was over.

 

Country                    Great Britain U.K.

Year                          1968

Producer                  Redifon Ltd.; London

Category                   Professional receiver

Principle: Supereterodyne double / triple conversion; ZF/IF 80 kHz
Gamme d’onda Medium Wave (MW), Long Wave (LW) and Short Wave (HF)
Power supply 100-125 Volts; 200-250 / 24 Volt (battery)
Audio power out 1.4 W (excellent quality)
Material Metal cabinet
Dimension(LxHxD) 420 x 220 x 500 mm / 16.5 x 8.7 x 19.7 inch
Notes Communications receiver for maritime use, coverage 13 – 28000 kHz, AM, USB/LSB, CW;
Single conversion below 650 kHz, depending on frequency, first IF is 470 kHz, 1.5 Mhz or 4.5 Mhz, second IF 80 kHz. Internal crystal calibrator, analog film tuning scale.
This receiver was also used in in ship wireless stations equipped by German maritime telecommunications company Hagenuk as Receiver Hagenuk E 408R.
Weight 25.5 kg / 56 lb 2.7 oz (56.167 lb)

73’s

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