Elliptical Dual Cone Speaker AD 4680/M4
Philips; Eindhoven (tubes international!); Miniwatt
- Country
- Netherlands
- Manufacturer / Brand
- Philips; Eindhoven (tubes international!); Miniwatt
- Year
- 1973 ??
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 358337
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
- Power out
- 4 W (unknown quality)
- Material
- Metal case
- from Radiomuseum.org
- Model: Elliptical Dual Cone Speaker AD 4680/M4 - Philips; Eindhoven tubes
- Shape
- Chassis only or for «building in»
- Dimensions (WHD)
- 102 x 153 x 50 mm / 4 x 6 x 2 inch
- Notes
-
In the GBC catalogue "Componenti Elettronici edizione 1973" this speaker is included in the list of speakers for installation in motor vehicles.
Features:- Frequency response: 135 ÷ 9,200 Hz
- Magnetic flux: 9,000 Gauss
- Resonance frequency: 140 Hz
- Impedance: 4 Ω
GBC catalog number: KA/0260-00
- Mentioned in
- -- Original prospect or advert (From: GBC Electronic Components, 1973 edition.)
- Author
- Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.
- Other Models
-
Here you find 5271 models, 4415 with images and 3457 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt