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Image Not Available for Balanced Armature Speaker
Balanced Armature Speaker
Image Not Available for Balanced Armature Speaker

Balanced Armature Speaker

Date1930s
Object NameLoudspeaker
Mediumsteel:card
ClassificationsEngineering
DimensionsOverall: Height: 36.7 cm, Diameter: 23 cm
AcquisitionPresented in 1987 by Mr I Robertson.
LocationView by Appointment - Aberdeen Treasure Hub
Object numberABDMS012680
Image Not Available for Wet Battery
Wet Battery
1940s
Image Not Available for 10 Boxed Receiving Valves
10 Boxed Receiving Valves
Image Not Available for 23 Boxed Receiving Valves
23 Boxed Receiving Valves
Image Not Available for 54 Boxed Receiving Valves
54 Boxed Receiving Valves
Image Not Available for 5 Boxed Rectifying Valves
5 Boxed Rectifying Valves
Image Not Available for 5 Boxed Rectifying Valves
5 Boxed Rectifying Valves
Image Not Available for Type U81 Rectifying Valve
Type U81 Rectifying Valve
Image Not Available for 55 Boxed Receiving Valves
55 Boxed Receiving Valves
Image Not Available for 55 Boxed Receiving Valves
55 Boxed Receiving Valves
Image Not Available for DH63 Diode-Triode
DH63 Diode-Triode
1950s
Image Not Available for Output Triode Px25
Output Triode Px25
1930s
Image Not Available for Px4 Output Triode Valve
Px4 Output Triode Valve
1930s
Image Not Available for Valve List
Valve List
1945
Image Not Available for R Type Triode Valve
R Type Triode Valve
c. 1918
Image Not Available for Triode Receiving Valve Type B5
Triode Receiving Valve Type B5
c. 1924
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1930s
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1929
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1950s
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4 Valve Portable Receiver
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1950s
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5 Valve Mains Receiver
Alba
1934 - 1939
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6 Valve Mains Receiver
Philips
1934
Transistor Battery Portable Receiver
Transistor Battery Portable Receiver
Roberts Radio Co.Ltd
c. 1960