amplificateur pour microphone type 640 Western Electric ; tube en métal chromé contenant les composants dont un tube à vide 382A ; fréquence entre 20 hz / 20000 hz
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Western Electric
[Chicago, Illinois, 1848 Larchmont Avenue]
Informations non disponibles
Informations non disponibles
Informations non disponibles
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Ouvert :
Longueur : 20 cm
Largeur : 11.5 cm
Hauteur : 12 cm
Fermé :
Longueur : 20 cm
Largeur : 11.5 cm
Hauteur : 12 cm
Diamètre :
Informations non disponibles
Informations non disponibles
Marque "RA 1095 Ser. Amplifier 469".
"The Western Electric RA-1095 Amplifier is a small, single stage amplifying unit developed especially for the use with the 640 type Condenser Microphone. Shaped like a long range military projectile [...]. All components are housed in a removable spun metal casing which is normally finished in bright chromium but can be obtained in a non-reflecting dark aluminium wrinkle gray" (Notice Western Electric Improved 640 AA condenser microphone and RA-1095 amplifier, USA, Western Electric Company, 1946, p. 7).
Notice Western Electric Improved 640 AA condenser microphone and RA-1095 amplifier, USA, Western Electric Company, 1946.