General Information

Serial #

37396

Part Number

1

Total Parts

6

AKA

N/A

Patents

N/A

General Description

Metal casing, with synthetic rubber gaskets and synthetic microphone cord covering and knobs, and foam inside the battery compartment.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

31.3 cm

Width

22.7 cm

Height

8.8 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Radio

Sub-Category

N/A

Manufacturer

AKA

Spilsbury Tindall

Country

Canada

State/Province

British Columbia

City

Vancouver

Context

Country

Canada

State/Province

Yukon

Period

1977-1990

Canada

This SBX-11 radio was purchased in 1977 by Stan Rosenbaum for the Ottawa chapter of the Alpine Club of Canada. It was purchased for use in the arctic and Yukon, and was intermittently rented to groups until 1990. This radio was notably used on expeditions to Baffin Island, Ellesmere Island, the Icefield Ranges of the Saint Elias mountains in the Yukon and one trip to northern Pakistan. Various government departments doing geological and glaciological studies in arctic and alpine regions also used similar or identical radios. The SBX-11 is recognized as one of the most popular transceivers used in the Canadian north in the 1970s-80s.

Function

A mobile unit used to receive and transmit radio voice signals.

Technical

The SBX-11 (first introduced in 1970) was Spilsbury & Tindall’s most successful radio communications set, and a standard unit for remote mobile communications in the 1970s-80s in Canada. In 1982, Jim Spilsbury issued an internal memo claiming the SBX-11 had sold around 6000 units and enjoyed 100% of the market share for mobile SSB units in Canada (see oarc.net ref below). Note: SSB stands for Single-Sideband Modulation, and represented an improvement in amplitude modulation (allowing for greater efficiency, both through a reduction of power and a halving of bandwidth requirements).

Area Notes

Unknown

Details

Markings

Printed on the front interface panel: "CHARGE/ TUNE/ SSB/ ANT./ GND./ [logo] SPILSBURY &/ TINDALL LTD./ Vancouver, Canada./ VOLUME/ OFF/ CLARIFIER/ CHANNEL/ A 4460/ B 4521.5/ C 5680./ D 6553"/ Inscribed in the front interface panel: "PROPERTY OF: OTTAWA SECTION, ALPINE CLUB OF CANADA"/ Stamped into a plate attached to the microphone clip: "37396"/ On a paper label inside the battery compartment: "Use 9" D/ Size Cells/ Align as/ shown/ Always Use/ Battery/ Tubes/ Fuses/ AGA-2/ Spare"

Missing

Unknown

Finish

Green painted metal casing with silver-coloured plated metal clasps and black rubber gaskets. On the interface panel are white printed markings, black and silver-coloured knobs and switches, and a grey metal microphone with a black cord. There are dark red and black terminals on the interface panel, as well as a white and black frequency list.

Decoration

N/A