4 inch Square Standard Loudspeaker AD4490 /X8 /X15 /X400
Philips; Eindhoven (tubes international!); Miniwatt
- Country
- Netherlands
- Manufacturer / Brand
- Philips; Eindhoven (tubes international!); Miniwatt
- Year
- 1973
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 312320
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Metal case
- from Radiomuseum.org
- Model: 4 inch Square Standard Loudspeaker AD4490 /X8 /X15 /X400 - Philips; Eindhoven tubes
- Dimensions (WHD)
- 105.2 x 105.2 x 37 mm / 4.1 x 4.1 x 1.5 inch
- Notes
-
Philips 4 inch Square Standard Loudspeaker type AD4490 /X
Available versions:
- /X8: Z= 8 Ω @ 190 Hz
- /X15: Z= 15 Ω @ 190 Hz
- /X400: Z= 400 Ω @ 190 Hz
- Net weight (2.2 lb = 1 kg)
- 0.125 kg / 0 lb 4.4 oz (0.275 lb)
- Mentioned in
- -- Original-techn. papers. (Miniwatt Copresa "Altavoces" 1973)
- Author
- Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.
- Other Models
-
Here you find 5233 models, 4365 with images and 3445 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt