Standard Telephones & Cables, STC R6
 

Hi
The Radio Museum has been sent photos of an STC R6 receiver. Going by the wavebands it looks like it is possibly an early Navy receiver from around 1935.
The frequency ranges are; 1200 - 430kHz, 430 - 158kHz, 158 - 60kHz
It has 8 valves 9D2 9D2 9D2 9D2 9D2 9D2 11D3 7D7

here are some photos.
Attachment 227110
Attachment 227111
Attachment 227112
Attachment 227113
Attachment 227114

Any comments on its use, history or other information would be very helpful.

Thanks
Mike

Re: Standard Telephones & Cables, STC R6
 

Nice.

Lawrence.

Re: Standard Telephones & Cables, STC R6
 

The 2 big tuning-drives look identical to those used on the Gee "RF" units of WWII-vintage.

Re: Standard Telephones & Cables, STC R6
 

Lawrence is that all, going by your normal standards I would have thought you would have produced the circuit, the name of ship it was on and the name of the radio Officers true love back home. ;D;D

Mike

Re: Standard Telephones & Cables, STC R6
 

The two big tuning drive are quite standard slow motion drives by Muirhead. Nice to see the bakelite outers aren't broken.

Common in late thirties and WWII stuff.

David

Re: Standard Telephones & Cables, STC R6
 

The architecture is remarkably similar to the ST&C WWII-vintage BBC CS-8 100kW broadcast transmitter drive units, as shown here at OSE9, even down to the colour of the paint (yes, I know it's black and white...).

Re: Standard Telephones & Cables, STC R6
 

We have found an entry in the Wireless for the Warrior compendium 3 foreign data sheets, with a little more information.

Commercial or Naval receiver
Frequency Ranges; 1200 - 430kHz, 430 - 158kHz, 158 - 60kHz

Receiver: Type R6 Commercial or Naval receiver

Circuit: Superhet, with BFO for A 1
Valves: 6 x D2, 1 x 7D7, 1 x 11D3
Power source: accumulator 12 V, anode battery 160 V or power supply unit (see type R 5)
Antenna: Ordinary single wire antenna.
Size:
Receiver: 760 x 330 x 330 mm
Power supply unit: 305 x 230 x 150 mm
Weight:
Receiver: 37 kg
Power supply unit: 12 kg
Usage: Fixed and mobile radio stations, also air force or navy.
Make (manufacturer): Standard Telephones and Cables Ltd, London.
Remarks: Fading compensation (AGC), bandwidth control, Tone Filters (tone control) and noise limiter available. Can also be used as a direction finder with auxiliary equipment. Not confirmed as an army device.