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BX680A /19

BX680A /19; Philips Belgium (ID = 42372) Radio
 
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BX680A /19; Philips Belgium (ID = 571141) Radio
Philips Belgium: BX680A /19 [Radio] ID = 571141 400x335
Select picture or schematic to display from thumbnails on the right and click for download.
For model BX680A /19, Philips Belgium (Belgien)
 
Country:  Belgium
Manufacturer / Brand:  Philips Belgium (Belgien)
Year: 1948/1949 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: ECH21 EF22 EF22 EBL21 EM4 AZ1
Main principle Super-Heterodyne (Super in general); ZF/IF 452 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and more than two Short Wave bands.
Details
Power type and voltage Alternating Current supply (AC) / 110; 125; 145; 200; 220; 240 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 19 cm = 7.5 inch
Power out 4 W (unknown quality)
from Radiomuseum.org Model: BX680A /19 - Philips Belgium Belgien
Material Wooden case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 570 x 400 x 245 mm / 22.4 x 15.7 x 9.6 inch
Notes
AM radio for external antenna:
  • LW: 150 - 420 kHz.
  • BC: 420 - 1620 kHz.
  • SW1: 8,1 - 5,9 MHz (37m - 50m with bandspread 49-50m).
  • SW2: 9,67 - 7,06 MHz (31m - 42,5m with bandspread 40-42m).
  • SW3: 12,5 - 9,43 MHz (24m - 31,8m with bandspread 30-31m).
  • SW4: 15,8 - 11,6 MHz (19m - 25,8m with bandspread 25m).
  • SW5: 19,3 - 15 MHz (15,5m - 20m with bandspread 19-20m).
  • SW6: 23,08 - 17,65 MHz (13m - 17m with bandspread 15-16m).

By connecting a capacitor in series with the tuning capacitor, the total capacity change per unit of rotation is no longer linear but has the effect of stretching the chosen shortwave band when the tuning capacitor is turned in (at lowest frequency or highest meters).

Loudspeaker: 9702-05 (7Ω, with soundwave diffuser).

Dial lamp: 2x 8045D (E10, 6.3V/320mA).

Version /19 is basically the same as version /00 but for the grammophone switch which is incorporated in the volume control instead of an automatic switch in the grammophone connector. See technical documents uploaded with this model.
Net weight (2.2 lb = 1 kg) 11.5 kg / 25 lb 5.3 oz (25.33 lb)
Price in first year of sale 395.00 Hfl
Collectors' prices  
External source of data Ernst Erb
Source of data Technisch- Commercieel - Radio Vademecum Staleman
Literature/Schematics (1) -- Original-techn. papers.


All listed radios etc. from Philips Belgium (Belgien)
Here you find 252 models, 229 with images and 114 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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