• País
• Estados Unidos

• Fabricante / Marca
• Philco, Philadelphia Stg. Batt. Co.; USA

• Año
• 1934/1935

• Categoría
• Radio - o Sintonizador pasado WW2

• Radiomuseum.org ID
• 139594

Haga clic en la miniatura esquemática para solicitarlo como documento gratuito.

• Numero de valvulas
• 11

• Válvulas
• 78 77 76 78 78 37 77 42 42 42 5Z3

• Principio principal
• Superheterodino en general; ZF/IF 460 kHz

• Gama de ondas
• OM y más de dos OC

• Tensión de funcionamiento
• Red: Corriente alterna (CA, Inglés = AC) / 115 Volt

• Altavoz
• Altavoz electrodinámico (bobina de campo)

• Potencia de salida
• 10 W (unknown quality)

• Material
• Madera

• de Radiomuseum.org
• Modelo: 16X [Version 4] - Philco, Philadelphia Stg. Batt

• Forma
• Consola en general

• Anotaciones
• The model 16 series were high-end multiband radios. The early chassis used in 1933-34 had five bands covering 520 kHz to 23 MHz, and also included a QAVC ("quiet automatic volume control") squelch circuit to silence noise between stations (with a switch on the side and a control on the back to adjust the QAVC). The late version (1934-35) of the chassis covered a similar tuning range, but with only four bands, and eliminated the QAVC feature. Both the early and late chassis used a type 80 rectifier tube for the more compact 16B models, and a type 5Z3 for larger models. Both chassis included a shadow meter (tuning aid). Both chassis also were available in a version for 25-40 Hz power, and these chassis are marked as "16A" (where the -A suffix is a chassis suffix, not to be confused with the cabinet suffix on the main model number).
  
  The chassis codes are as follows:
  
  Code 121: early chassis with 80
  Code 122: early chassis with 5Z3
  Code 123: unknown
  Code 125: late chassis with 80
  Code 126: late chassis with 5Z3
  Code 127: late chassis with 5Z3 (difference between 126 and 127 unknown)
  
  There were fifteen versions of model 16 in different cabinet styles over a three year span: four versions of the 16B cathedral/tombstone, three versions of the 16L lowboy, four versions of the 16X floor-type console, three versions of the 16RX chairside, and a special 16CPX chairside.
  
  Version 1 (1933-34) of model 16B was a cathedral (early chassis); version 2 (1934) was a gently peaked tombstone (early chassis); version 3 (1934) was a slightly updated tombstone with a somewhat more steeply peaked top (late chassis); version 4 (1935) is a flat-topped shouldered tombstone (late chassis).
  
  The early version (1933-34) of the 16L lowboy has four vertical bars through the speaker opening and an arched control panel (early chassis). The middle version (1934) has V-shaped bars in the speaker opening and hexagonal knobs (early chassis). The late version (1934-35) had the same cabinet as the middle, but with the late chassis.
  
  Version 1 (1933) of the 16X console had a large open speaker grill on an inclined sounding board (early chassis). Version 2 (1934) had three round vertical bars in front of the speaker opening and patterned moulding around the top of the cabinet (early chassis). Version 3 (1934) had a more "modern" style with three square vertical bars in front of the speaker and no moulding around the top (early chassis). Version 4 (1934-35) kept the same cabinet, but used the late chassis.
  
  The early version (1933-34) of the 16RX chairside had a control unit on legs with a top that swiveled to reveal the controls and a large separate speaker cabinet (early chassis). Version 2 (1934) had a more modern design, the control unit having no legs (or very short) and the speaker cabinet having a lightning bolt pattern on the speaker grill (early chassis). Version 3 (1934-35) kept the same cabinet, but used the late chassis.
  
  The 16CPX was a special chairside model commemorating the "Century of Progress" and is rare or nonexistant today. The modern-style cabinets had veneers of Madagascar ebony and myrtle burl, with catalin and stainless steel trim. Only 750 units were manufactured. The 16CPX has the early chassis.

• Procedencia de los datos
• Philco Radio 1928-1942

• Referencia esquema
• Rider's Perpetual, Volume 6 = 1935 and before

• Documentación / Esquemas (1)
• Philco Service Bulletin #205

• Autor
• Modelo creado por Thomas Albrecht. Ver en "Modificar Ficha" los participantes posteriores.

• Otros modelos

• Donde encontrará 4033 modelos, 2216 con imágenes y 3682 con esquemas.
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