Three moving - iron loudspeaker movements and a spare cone-mounting device Three moving-iron loudspeaker movements
B.T.H. "Rice Kellogg" 12-inch energized moving-coil loudspeaker, with integral rectifier unit, c. 1929 BTH 'Rice Kellogg' loudspeaker, c 1929. 1929
Loudspeaker pressure drive units (two) (Serial Nos. 17933 & 29351) made by Western Electric, type 555W, designed by Wente, patented 1926 (Bell Telephone Laboratories), impedance 10 ohms at 400 Hz, used in sound-film units, 1927. (Patent Nos. 263411, 266395, 275567, 275571, 297938) Loudspeaker pressure drive units (two) (Serial Nos. 17933 & 29351) made by Western Electric 1927
Two Wharfedale Sand-Filled Corner Loudspeaker Enclosures with 15 inch, 8 inch and 3 inch drivers, c. 1955 Two Wharfedale Sand-Filled Corner Loudspeaker Enclosures, c. 1955 1950-1955
Transducer by S.G. Brown to enable a gramophone horn to be used as a radio loudspeaker, c.1924 Transducer by S.G. Brown to enable a gramophone horn to be used as a radio loudspeaker
Tannoy loudspeaker, type LSU/HF/3L7G/8L, serial no. 141613, by Tannoy Products, London, c. 1970 Tannoy loudspeaker, c 1970. 1970
Two Paul Voigt Internal Suspension Loudspeakers in corner cabinets built by Tom Joyce of Ramsgate to Voigt's design, c. 1930, with an additional spare driver magnet assembly and a framed testimonial addressed to Tom Joyce from Elsie Carlisle, the musical comedy actress Two Paul Voigt Internal Suspension Loudspeakers built by Tom Joyce of Ramsgate, c.1930 1930