|Year: 1942||Category: Television- and Radio Receiver, perh. also + Rec. etc. (TV Radio)|
|Valves / Tubes||29: 6AC7 6J5 6AB7 6AC7 6H6 6L6 6F8G 6SG7 7K7 6L6G 5U4G 879 6A8G 6SK7 6R7 12AP4|
|Main principle||Super-Heterodyne (Super in general); ZF/IF 455 kHz|
|Wave bands||Broadcast plus 2 Short Wave bands.|
|Power type and voltage||Alternating Current supply (AC) / 115-125 Volt|
|Loudspeaker||Permanent or electro-dynamic (moving coil), system not known yet. / Ø 12 inch = 30.5 cm|
|Power out||10 W (unknown quality)|
|from Radiomuseum.org||Model: Musaphonic Instrument 90 - General Electric Co. GE;|
|Shape||Console with any shape - in general|
|Dimensions (WHD)||42 x 38.5 x 20.3 inch / 1067 x 978 x 516 mm|
|Notes||See also the earlier version HM-275-3A with AM TV audio.
Tubes: 6x 6AC7, 3x 6AB7, 3x 6H6, 2x 6L6, 3x 6F8G, 2x 5U4G, 2x 879; listed once per type. Radio chassis tubes: 6A8G 6SK7 6R7.
|Literature/Schematics (1)||General Electric Radio Service Notes 1939-1942|
Model page created by Vitor Oliveira. See "Data change" for further contributors.
All listed radios etc. from General Electric Co. (GE); Bridgeport CT, Syracuse NY
Here you find 2583 models, 1763 with images and 1833 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.