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AD 2690

AD 2690 ; Philips; Eindhoven (ID = 2135237) Speaker-P
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AD 2690 ; Philips; Eindhoven (ID = 2135237) Speaker-P
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Country:  Netherlands
Manufacturer / Brand:  Philips; Eindhoven (tubes international!); Miniwatt
Year: 1956 Category: Loudspeaker, headphone or earphone
Wave bands - without
Power type and voltage No Power needed
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
Power out 6 W (unknown quality)
from Model: AD 2690 - Philips; Eindhoven tubes
Material Metal case
Shape Chassis only or for «building in»
Dimensions (WHD) 234 x 84 x 161 mm / 9.2 x 3.3 x 6.3 inch

Technical Specification:

Power handling capacity: 6 Watts
Flux density: 8,500 Gauss
Total magnetic Flux: 15,200 Maxwell
Voice coil impedance at 1,000 c/s: 5 Ω
Weight: 375 grams
Magnet weight: 42 grams

00 and M version

Efficiency at 400 c/s: 2,5%
Resonance Frequency: 80 c/s

X Version

Efficiency at 400 c/s: 3 %
Resonance frequency: 100 c/s

Net weight (2.2 lb = 1 kg) 0.375 kg / 0 lb 13.2 oz (0.826 lb)
Mentioned in NL: Philips Loudspeakers 38617/E- 11/56

Model page created by Carlos A. Pieroni-García. See "Data change" for further contributors.

All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt
Here you find 4863 models, 4078 with images and 3270 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.