• País
• Estados Unidos

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

• Año
• 1935

• Categoría
• Radio - o Sintonizador pasado WW2

• Radiomuseum.org ID
• 139599

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 80

• Principio principal
• Superheterodino con paso previo de RF; 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: 16B 16/16A-125 [Version 4] - Philco, Philadelphia Stg. Batt

• Forma
• Sobremesa alto decorativa, similar a Capilla pero cuadrado (Tombstone, can have rounded edges).

• Anotaciones

•  

  The 4th version of the Philco 16B was introduced in January, 1935.  The cabinet is the form of a shouldered tombstone with a somewhat butterfly-shaped grill.  It uses the code 125 late chassis.

   

  The model 16 series were high-end multi-band 11-tube radios sold by Philco for about 2 years spanning the 1933, 1934, and 1935 model years.  There were two basic versions of the chassis referred to as 'early' and 'late'. Both the early and late chassis used a type 80 rectifier tube for the 16B table models, and a 5Z3 rectifier for the console models. Both chassis included dual IF-amp stages and a shadow meter (tuning aid). Both chassis 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 early chassis used in 1933-34 included a QAVC ("quiet automatic volume control") squelch circuit to silence noise between stations.  Squelch was implemented with a dedicated type 78 tube, and controlled with an on/off switch on the side and a potentiometer on the back to adjust the squelch level.  The early chassis received five bands:  520-1500 kHz, 1.5-4.0 MHz, 3.2-6.0 MHz, 5.8-12.0 MHz and 11.0-23.0 MHz.

   

  The late chassis (1934-35) eliminated the QAVC feature and repurposed its 78 tube to be an RF amplifier stage in the front end, thus maintaining the 11-tube count. The switch on the side of the cabinet was used as a bass-boost control called "Loudness". The late chassis covered a similar tuning range, but with only four bands: 550-1500 KHz, 1.5-4.1 MHz, 4.1-10.0 MHz, and 10.0-22.5 MHz.

   

  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: unknown

   

  There were fifteen versions of model 16 in different cabinet styles over the three-model-year span:

  Four versions of the 16B cathedral/tombstone,

  Three versions of the 16L lowboy console,

  Four versions of the 16X floor-type console,

  Three versions of the 16RX chairside,

  A special 16CPX chairside.

  Stein "Cathedral & Tombstone Radios" lists only 2 bands.

   

• Precio durante el primer año
• 95.00 $

• 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

• Documentación / Esquemas (2)
• Cathedral & Tombstone Radios (page 190.)

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

• Otros modelos

• Donde encontrará 4006 modelos, 2205 con imágenes y 3656 con esquemas.
  Ir al listado general de Philco, Philadelphia Stg. Batt. Co.; USA