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|
Cosmos Amplion AR19 |
| Electromagnetic
loudspeaker, made by Alfred Graham & Company in London,
for Cosmos, the trade mark
of Metropolitan-Vickers (Metro-Vick). |
| Petal-shaped flare made of ten
metal-framed segments of steam bended oak wood, black
cast metal neck,
nickel-plated base and 2,000 ohm drive unit.
By turning the knurled screw, the distance between the magnet
and the diaphragm can be changed. |
| Data |
| Serial
number: B90099 |
| Impedance: 2000 Ohms |
| Diameter: 38 cm |
| Made in 1923 |
| Purchased in 2005 |
|
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| Detail |
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