Colorama E-91 Ch= RBS-21
General Electric Co. (GE); Bridgeport CT, Syracuse NY
- Produttore / Marca
- General Electric Co. (GE); Bridgeport CT, Syracuse NY
- Anno
- 1936
- Categoria
- Radio (o sintonizzatore del dopoguerra WW2)
- Radiomuseum.org ID
- 158446
-
- Brand: Musaphonic
By courtesy of Sean Barton in the U.S.A.
By courtesy of Sean Bartion in the U.S.A.
By courtesy of Sean Barton in the U.S.A.
By courtesy of Sean Bartion in the U.S.A.
By courtesy of Sean Bartion in the U.S.A.
By courtesy of Sean Bartion in the U.S.A.
By courtesy of Sean Bartion in the U.S.A.
By courtesy of Sean Bartion in the U.S.A.
General Electric E-91 Front View #1
General Electric E-91 Front View #2
General Electric E-91 Dial and Knobs
General Electric E-91 Knob closeup
General Electric E-91 Chassis
General Electric E-91 Rear View #1
General Electric E-91 Speaker
General Electric E-91 Label
Clicca sulla miniatura dello schema per richiederlo come documento gratuito.
- Numero di tubi
- 9
- Principio generale
- Supereterodina con stadio RF; ZF/IF 465 kHz; 2 Stadi BF
- N. di circuiti accordati
- 9 Circuiti Mod. Amp. (AM)
- Gamme d'onda
- Onde medie (OM), corte (OC) e tropicali/polizia.
- Tensioni di funzionamento
- Alimentazione a corrente alternata (CA) / 25 or 60 cycles: 105 - 120 or 115; 125; 220; 240 Volt
- Altoparlante
- AP elettrodinamico (bobina mobile e bobina di eccitazione/di campo) / Ø 8 inch = 20.3 cm
- Materiali
- Mobile in legno
- Radiomuseum.org
- Modello: Colorama E-91 Ch= RBS-21 - General Electric Co. GE;
- Forma
- Soprammobile verticale (sviluppato in altezza; no cattedrale, sin decorazioni).
- Dimensioni (LxAxP)
- 15.875 x 20.06 x 11.36 inch / 403 x 510 x 289 mm
- Annotazioni
- The General Electric models E-91 and E-95 share the schematic RBS-21 and feature the Colorama tuning indicator (see post 5 etc.). Here the triode 6C5 commands depending on the AGC line the saturation of the "magnetic amplifier", a saturable core reactor. The reactor is in series with a row of 4 red stained pilot lamps and 3 green stained light bulbs behind the scale which turn the light to green when a carrior (station) is tuned in. Weak stations will produce a small color change and strong stations larger changes - a smooth process. This was then a novelty for GE sets - the Magic Eye was just on the market but GE wanted first to have it's own gadget which was a problem to service men and the cost was over twice that of teh tuning eye.
The models can have a 25 cycle or 60 cycle mains transformer which came in two versions, one fix for 105-120 volts , the other for 105 to 250 volts with 4 tappings. The band B (Broadcast) covers 540 - 1680 kc, the band C (Fishery, Police etc.) 1680 - 6000 kc and band D (SW) 6 - 18 mc.
- Bibliografia
- Machine Age to Jet Age II (page 139.)
- Letteratura / Schemi (1)
- Rider's Perpetual, Volume 7 = 1936 and before (General Electric 7-25 through 7-28)
- Letteratura / Schemi (2)
- Cathedral & Tombstone Radios (page 119.)
- Autore
- Modello inviato da Ernst Erb. Utilizzare "Proponi modifica" per inviare ulteriori dati.
- Altri modelli
-
In questo link sono elencati 2906 modelli, di cui 2125 con immagini e 2031 con schemi.
Elenco delle radio e altri apparecchi della General Electric Co. (GE); Bridgeport CT, Syracuse NY
Collezioni
Il modello Colorama E-91 fa parte delle collezioni dei seguenti membri.