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325 Duo-Symphonic

325 Duo-Symphonic ; Lafayette Radio & TV (ID = 693611) Radio 325 Duo-Symphonic ; Lafayette Radio & TV (ID = 693612) Radio
325 Duo-Symphonic ; Lafayette Radio & TV (ID = 693613) Radio 325 Duo-Symphonic ; Lafayette Radio & TV (ID = 693614) Radio
325 Duo-Symphonic ; Lafayette Radio & TV (ID = 693615) Radio
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325 Duo-Symphonic ; Lafayette Radio & TV (ID = 693611) Radio
Lafayette Radio & TV: 325 Duo-Symphonic [Radio] ID = 693611 684x933
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For model 325 Duo-Symphonic, Lafayette Radio & TV Corp; New York (NY):
From Lafayette catalog 1930 season 1929/30 page 28.
 
País:  Estados Unidos
Fabricante / Marca:  Lafayette Radio & TV Corp; New York (NY)
alternative name
 
Wholesale Radio
Año: 1929/1930 Categoría: Radio - o Sintonizador pasado WW2
Válvulas 9: 226 226 226 226 224 226 245 245 280
Principio principal RFS sin reacción; Neutrodyne
Número de circuitos sintonía 4 Circuíto(s) AM
Gama de ondas OM (onda media) solamente
Especialidades
Tensión de funcionamiento Red: Corriente alterna (CA, Inglés = AC) / 50 to 60 cycles, 105 - 120 Volt
Altavoz Altavoz electrodinámico (bobina de campo) / Ø 12.25 inch = 31.1 cm
Potencia de salida
de Radiomuseum.org Modelo: 325 Duo-Symphonic - Lafayette Radio & TV Corp; New
Material Madera
Forma Consola alta, patas más largas del 50% .
Ancho, altura, profundidad 32 x 54 x 19 inch / 813 x 1372 x 483 mm
Anotaciones The catalog 1930 for season 1929/30 names this 9 tube TRF chassis a "Screen-Grid Neutrodyne Neutrodyne-Beers Double Primary". The Lafayette Duo-Symphonic Screen-Grid has a "special Utah Stadium Dynamic-Speaker chassis" producing from 30 to 5000 cycles, linear power detection and local distance switch. Push-pull operation. The same chassis is used for Lafayette Duo-Symphonic models 342, 316, 324, 370, 343, 300, 362, 357, 325, 329, 350 and 352, a Phono-Radio Combination.

The Lafayette Duo Symphonic is in fact using the Wells-Gardner & Co chassis model C or CG, first type. You see this clearly by comparing the Rider's schematic Wells-Gard. page 1-1 and 1-2 (see versions) with the schematic "Wholesale" page 1-2. It is the "Old Type" schematic.

Nevertheless, Lafayette describes this the following way: "The problems of our engineers was not only to build a receiver that would outperform anything in the world, but to build the dame receiver at a price that would bring it within reach of the average home."

The list price for the model 325 Duo-Symphonic is $ 276.00 without tubes/aerial equipment or $ 300.75 with - but Lafayette puts a price of $ 135.00 or $ 147.14 all inclusive. See details and summaries for the models of this catalog.
Precio durante el primer año 147.00 $ !
Documentación / Esquemas (1) Lafayette Radio Catalog (Wholesale Radio Service Co. Inc. catalog 1930 for 1929/30, page 18 - 31.)

Modelo creado por Ernst Erb. Ver en "Modificar Ficha" los participantes posteriores.



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