ARNOLD SUGDEN INTERVIEW No. 1- (Notes taken by me from the British Library FIRST INTERVIEW TAPE recorded 1985- duration 29 minutes).
The Legal and Ethical Usage provisions of the British Library permit non-- commercial use of the materials for research and learning. I have confirmed that posting my notes here is permitted.
The following interview was recorded at Arnold Sugdens home in Bradford, Yorks, in 1985. The interviewers name is not disclosed. I can say, however, that he is male, and obviously very well informed about audio history.
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EARLY LIFE. NOV. 1912: BORN.
Father was an apprenticed Engineer. Mother was daughter of Mill owner and was a professional singer.
Started work in 1920s as an apprentice undertaker/joiner. He did not take much interest in his clients.
Age 20 designed stair sides as Manager of a woodwork engineering firm.
Made Connoisseur radios, winding the transformers on his kitchen table using a hand drill. It took his future wifes cooperation to wind the transformers.
Linen diaphram blue spot drivers used. Made a lot of sets.
No formal training, but read all the journals.
War came. Left building trade to set up his own firm. Produced sample tools for local bullet production.
Produced centre grinders to grind belts- still uses them to grind precision Connoisseur TT belts.
A.R.Sugden. Middle initial R for Robinson: Heath Robinson.
Anti submarine wire snares to sink submarines required. Mill opted in Heckmandwike. Sugden designed these snares there in 6 weeks.
1946 END OF WAR
Left with a good engineering shop and no work. Nervous breakdown due to overwork.
Designed a pickup for a radiogram. Started hi fi Moving Needle- very small armature. Small mass. Steel needles not in production. 35 thousands of an inch diameter. Polished carefully to control radii. Hard flashing required afterwards. Stitched into a jig. Bristles were the needles then slotted through. Then chromium plated. Designed by Sugden.
1948-9: 78r.p.m. DAYS
Turntables were produced. Sugden designed heavy synchronous motor precision TT. Made everything. Laminations stamped. Rotors cobalt steel. Employed 35 people.
Obtained Cecil Watts acetate. Couldnt control head oscillations and stop vertical oscillation due to mass of head. Cutter had mass obdurated- high flux MC cutter head designed. Patents taken out. Made groove spacing continuously variable. Recordings made for universities and Crown Agents for the colonies. 5 watts across cutter head was sufficient. Microgroove recordings.
1950s: ROYAL SOCIETY OF ARTS-DEMO OF THE RECORDERS
LP records: we produced 2 speed TTs and pickup arm with loose head. Split ceramic cartridge.
1952 RADIO OLYMPIA- STEREO SOUND
Listening to stereo with Gilbert Briggs sitting next to him. He told Briggs: You will need 2 speakers.
Took 3 years to get a useable cutter head for stereo.
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