- Produttore / Marca
- Gibson Manufacturing Co., Kalamazoo (MI)
- Anno
- 1937 ?
- Categoria
- Amplificatore audio o mixer audio
- Radiomuseum.org ID
- 320801
Handle is not original.
Picture from anonymous collector.
Picture from anonymous collector.
Clicca sulla miniatura dello schema per richiederlo come documento gratuito.
- Numero di tubi
- 7
- Principio generale
- Amplificatore audio
- Gamme d'onda
- - senza
- Tensioni di funzionamento
- Alimentazione a corrente alternata (CA) / 110 -125 Volt
- Altoparlante
- AP elettrodinamico (bobina mobile e bobina di eccitazione/di campo) / Ø 12 inch = 30.5 cm
- Materiali
- Pelle / stoffa / plastica ma con altro materiale sottostante
- Radiomuseum.org
- Modello: EH-150 - Gibson Manufacturing Co.,
- Forma
- Soprammobile verticale (sviluppato in altezza; no cattedrale, sin decorazioni).
- Annotazioni
-
There were at least four versions of this amplifier as follows:
Style 1: 1935 - 1936 with four tubes (6A6 6F6 6F6 5Z4 or 80) and 10 inch speaker
Style 2: 1936 - 1937 with six tubes (6F5 6N7 6C5 6N6 6N6 5Z3) and 10 inch speaker
Style 3: 1937 - 1941 with seven tubes and 12 inch speaker. There was an early "transition" version from Style 2 that most likely was only made in 1937. This is the model depicted on this model page. It had the same schematic as Style 2 except that the 6N7 was replaced with two 6C5's. The schematic on this model page is for Style 2 with revisions showing the two 6C5's. The Style 3 "late" version substituted two 6L6's for the 6N6's. The Style 3 late version also eliminated the protective leather corners at the top of the front face, and instead, had rounded corners.
Style 4: 1941 - 1942 that used a tube phase inverter with a 6N7 replacing the transformer. The rectifier was changed to a 5U4 and the three 6C5's were replaced with 6SQ7's.
- Autore
- Modello inviato da David Erali. Utilizzare "Proponi modifica" per inviare ulteriori dati.
- Altri modelli
-
In questo link sono elencati 25 modelli, di cui 21 con immagini e 22 con schemi.
Elenco delle radio e altri apparecchi della Gibson Manufacturing Co., Kalamazoo (MI)