Screened Grid 3
Yewdonia; GB
- Produttore / Marca
- Yewdonia; GB
- Anno
- 1933 ??
- Categoria
- Radio (o sintonizzatore del dopoguerra WW2)
- Radiomuseum.org ID
- 103190
- Numero di tubi
- 3
- Valvole
- Principio generale
- A reazione (con rigenerazione); A valvole con griglia schermo (solo se 1926-1935)
- N. di circuiti accordati
- 3 Circuiti Mod. Amp. (AM)
- Gamme d'onda
- Onde medie (OM) e onde lunghe (OL).
- Tensioni di funzionamento
- Batterie (di accumulatori e/o a secco)
- Altoparlante
- Altoparlante magnetico (a spillo) / Ø 8 inch = 20.3 cm
- Materiali
- Mobile in legno
- Radiomuseum.org
- Modello: Screened Grid 3 - Yewdonia; GB
- Forma
- Soprammobile verticale con decorazioni (Tombstone).
- Fonte dei dati
- - - Data from my own collection
- Autore
- Modello inviato da Bill Meacham. Utilizzare "Proponi modifica" per inviare ulteriori dati.
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Elenco delle radio e altri apparecchi della Yewdonia; GB
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Discussioni nel forum su questo modello: Yewdonia; GB: Screened Grid 3
Argomenti: 1 | Articoli: 5
Via an acquaintance in the UK I was able to find some tentative information regarding the provenance of this set. According to Mr. Gerry Wells, a well-known historian who owns a fantastic radio museum in Dulwich, South London, it was made by one of the small makers under the Plessey umbrella. Its still unknown why it would have Austrian components under the chassis but the coil covers and tuning cap are definitely Plessey as per Mr. Wells.
Furthermore he and others are in agreement that the set is from 1934 given the station markings on the dial. It is suspected that the set was a 'store model' possibly for Gamage's in London.
Its a 3-tube regenerative (reactive) battery set with 3 stages of RF selectivity. Uses valves (tubes) VP2, SP2 and PM2A. This is a fairly common circuit seen in some other sets of the era. Tunes 2 bands, Medium Wave and Long Wave. Battery voltage is 90-135 volts for B+, 1.5 to 2.0 volts for the filaments, and a pair of grid voltages -4.5 and -9.0
Furthermore he and others are in agreement that the set is from 1934 given the station markings on the dial. It is suspected that the set was a 'store model' possibly for Gamage's in London.
Its a 3-tube regenerative (reactive) battery set with 3 stages of RF selectivity. Uses valves (tubes) VP2, SP2 and PM2A. This is a fairly common circuit seen in some other sets of the era. Tunes 2 bands, Medium Wave and Long Wave. Battery voltage is 90-135 volts for B+, 1.5 to 2.0 volts for the filaments, and a pair of grid voltages -4.5 and -9.0
Bill Meacham, 12.Aug.06