Meadowbrook RA-103

DuMont Labs, Allen B., Inc.

Dati
Forum
Immagini
Collezioni

  • Anno
  • 1947
  • Categoria
  • Ricevitore TV e radio (ev. con magnetofono, giradischi, registratore a cassette ecc.) 
  • Radiomuseum.org ID
  • 124251
    • alternative name: Dumont Television & Radio

Clicca sulla miniatura dello schema per richiederlo come documento gratuito.

 Specifiche tecniche

  • Numero di tubi
  • 28
  • Principio generale
  • Supereterodina (in generale); ZF/IF 26400 21900 kHz
  • Gamme d'onda
  • Gamme d'onda nelle note.
  • Tensioni di funzionamento
  • Alimentazione a corrente alternata (CA) / 105-129 Volt
  • Altoparlante
  • AP magnetodinamico ellittico (magnete permanente e bobina mobile). / Ø 10 inch = 25.4 cm
  • Potenza d'uscita
  • 3 W (qualità ignota)
  • Materiali
  • Mobile in legno
  • Radiomuseum.org
  • Modello: Meadowbrook RA-103 - DuMont Labs, Allen B., Inc.
  • Forma
  • Console di qualsiasi tipo
  • Dimensioni (LxAxP)
  • 27 x 39.5 x 20 inch / 686 x 1003 x 508 mm
  • Annotazioni
  • The DuMont RA-103 series of televisions (or "Telesets" as DuMont called them) are popular with collectors because of their high quality electrical design and interesting cabinets. All RA-103 models have a 12 inch round CRT and a continuous tuner with a triple roller inductor that covers the VHF low, FM radio, and VHF high bands in one continuous range (44-216 MHz). The tuner is a Mallory "Inductuner" and was referred to as an "Inputuner" by DuMont.

    Early versions of the RA-103 had a 6U5GT or 6G5GT tuning eye (according to Rider TV vol. 1), but most sets found today have a 6AL7GT tuning eye as original equipment.

    The first models of the RA-103 family were introduced in 1947. The RA-103 Chatham, a mahogany table model with an unusual trapezoidal shape (nicknamed the "Doghouse") seems to be the most commonly found today. The RA-103 Stratford is a table model with doors (see Rider TV vol. 1). The RA-103 Meadowbrook is a mahogany console with no doors, the CRT in the upper left, and a 10-inch speaker center bottom. The RA-103 Savoy is a larger mahogany AM/FM/TV/Phono console with doors, having the CRT top center, AM tuning dial on the left, FM/TV tuning dial on the right, speaker bottom left, and phonograph bottom right. The Rider TV index also lists an RA-103 Sutton, but no further information about this model is available.

    The series was updated at some point with the RA-103C Savoy (same cabinet as RA-103 Savoy) and the RA-103C Winthrop (similar to Savoy, but with knotty pine cabinet).

    In 1949, the RA-103D series was introduced, with significant circuitry changes and some different tubes. The RA-103D Rumson is a mahogany table model with a rectangular profile and a square tuner window (prior to the RA-103D models, the TV/FM tuning windows were round). There are also two consoles, the RA-103D Sheffield and RA-103D Canterbury, both of which are known to be consoles because of their 10-inch speakers documented in Rider TV vols. 3 and 4. The RA-103D chassis is very similar to the chassis used in the RA-104A Hastings and RA-110A Wellington sets, which had 15-inch and 19-inch CRTs, respectively.
  • Prezzo nel primo anno
  • 525.00 $
  • Fonte dei dati
  • -- Collector info (Sammler)
  • Riferimenti schemi
  • Photofact Folder, Howard W. SAMS
  • Letteratura / Schemi (1)
  • Rider TV vol. 1-58; SAMS set 90 folder 3
  • Autore
  • Modello inviato da un iscritto da A. Utilizzare "Proponi modifica" per inviare ulteriori dati.

 Collezioni | Musei | Letteratura

 Forum