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720A (var1)

720A ; Philips - Schweiz (ID = 7962) Radio
 
720A ; Philips - Schweiz (ID = 7963) Radio
 
720A ; Philips - Schweiz (ID = 7964) Radio
 
720A ; Philips - Schweiz (ID = 7965) Radio
 
720A ; Philips - Schweiz (ID = 7966) Radio
 
720A ; Philips - Schweiz (ID = 7967) Radio
 
720A ; Philips - Schweiz (ID = 7968) Radio
 
720A ; Philips - Schweiz (ID = 7969) Radio
 
720A ; Philips - Schweiz (ID = 7970) Radio
 
720A ; Philips - Schweiz (ID = 8014) Radio
720A ; Philips - Schweiz (ID = 20045) Radio
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720A ; Philips - Schweiz (ID = 20045) Radio
Philips - Schweiz: 720A [Radio] ID = 20045 933x699
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For model 720A (var1), Philips - Schweiz
 
Country:  Switzerland
Manufacturer / Brand:  Philips - Schweiz
Year: 1931–1933 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: E452T E452T E424 E424 C443 506
Main principle TRF without regeneration; 2 AF stage(s)
Tuned circuits 3 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Alternating Current supply (AC) / 103; 111; 118; 127; 135; 143; 155; 196; 210; 225; 240; 253 Volt
Loudspeaker - This model requires external speaker(s).
Power out
from Radiomuseum.org Model: 720A - Philips - Schweiz
Material Special material, described in the notes.
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 410 x 250 x 240 mm / 16.1 x 9.8 x 9.4 inch
Notes

Ch=730A [725101] Erster "Superinduktiv"


Super-Inductance.

Grid-leak detection.

Housing in Arbolite1 with top cover in Philite2.

Tuning scale bulb: type 8046 (6V / 0.5A).

1 Arbolite = pressed paper with a top coat. Invented by Philips.
2 Philite = Philips name for bakelite. 

Net weight (2.2 lb = 1 kg) 14 kg / 30 lb 13.4 oz (30.837 lb)
Collectors' prices  
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Circuit diagram reference Die «Thali Schemasammlung» führt das Modell.
Mentioned in Les Radio PHILIPS de collection
Literature/Schematics (1) -- Original-techn. papers.


All listed radios etc. from Philips - Schweiz
Here you find 289 models, 204 with images and 207 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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