R109 R109A R109B R109C
Wireless Set R109 Communications Receiver
Reception Set R 109

As well as the service manual please see below
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Reception Set R 109 R109A R109B R109C
Wireless Set R109 Communications Receiver

The R109A was designed as a general purpose "Army Reception Set" for use with a vehicle-station or at a fixed location.

Frequency Coverage
2.0 to12.0 Mc/s in 2 bands.
Band 1 : - 2.0 to 4.9 Mc/s.
Band 2 : - 4.0 to 12.0 Mc/s.

Both these bands are directly calibrated on a very good slow-motion dial.
An internal speaker is fitted and can be switched out when headphones are being used.
The receiver has a BFO for CW reception and also a crash-noise limiter of the simple type.
A panel socket for a plug-in lamp is provided for use when working in the dark.


Power Supply
The power supplies are incorporated in the receiver which is designed to run from a 6 volt accumulator, it therefore has a vibrator HT pack giving a well smoothed  and filtered 150 volt HT.
With a 6 volt battery supply the load is 2 amps.

Valves
The receiver uses three different valve types as follows : -
RF ARP38
Mixer ARP12 ( VP23 )
Oscillator ARP12

1st and 2nd IF amp ARP12
Detector and Audio AR8 ( HL23DD )
Output amp AR8
Except for the ARP38 all valves are directly heated.
The R109A receiver came complete with a spare set of valves and a spare vibrator  located inside the set.


The Manual Consists of  the Following

General
Description

Component List

Valve Data 

Block Diagram

Circuits

Layouts

Notes Service Data
Component List
Circuit Layouts
As a Download

Click Here


Wireless Set R109 R109A R109B R109C
Wireless Set R109 Communications Receiver
Reception Set R 109

Manuals are Available Worldwide as a Download.

Notes and Service Data
with Circuit and Component List 21 A4 pages
Manual 22 A4 pages worldwide

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We do all we can to provide the very best that is available for you.
But in the unlikely event that any data should not be as you expected.
A refund is always available. Kind Regards Allen and Alanna.


Manuals are Available Worldwide as a Download

Thank you for your interest. Allen and Alanna G0RIT
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Revised: May 09, 2021