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STERLING 'BABY' LOUDSPEAKER HORN, 1923
Designed to replace Headphones on early Wireless sets, before loudspeakers had been perfected because of problems with a strong enough magnet.
The coil is a high enough impedance to connect directly to the output valve of the set. The terminals on the units would carry high voltages, and yet no insulation was thought necessary.
Bruce Hammond Collection
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- I ACQUIRED ONE RECENTLY,MODEL IS BLACK IN COLOUR.
2000 OHM IMPEDANCE, WORKS WELL FOR ITS AGE
ON OPENING IT UP FOUND TO BE IN GOOD CONDITION.USING SAME WITH COSSOR 3VALVE TRF MODEL 234. SPEAKER HAS A LEVER ON THE BASE UNIT AND ADJUSTS SPEECH QUALITY.
.......... MICHAEL WEST, ERITH KENT uk, 23rd of August 2013