Professional 550
Heco, Hennel & Co. KG; Schmitten, Pulheim (auch Berlin)
- Country
- Germany
- Manufacturer / Brand
- Heco, Hennel & Co. KG; Schmitten, Pulheim (auch Berlin)
- Year
- 1978
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 141861
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- 3 Loudspeakers
- Material
- Wooden case
- from Radiomuseum.org
- Model: Professional 550 - Heco, Hennel & Co. KG;
- Dimensions (WHD)
- 290 x 460 x 220 mm / 11.4 x 18.1 x 8.7 inch
- Notes
- 3-Weg-HiFi-Box, geschlossenes, akustisch bedämpftes Gehäuse.
60 Watt Sinus an 4 Ohm. Übertragungsbereich 30-25000Hz. Brutto-(Netto-) Volumen: 28,7 (16) Liter.
Bestückung: 1 Tieftöner 130mm; 1 Kalotten-Mitteltöner 50mm; 1 Kalotten-Hochtöner 19mm. Frequenzweiche mit Übergängen bei 700 und 4000Hz. Abnehmbare Frontabdeckung. Gehäuse in Nussbaum natur oder Schwarz.
- Source of data
- -- Original prospect or advert
- Author
- Model page created by Franz Scharner. See "Data change" for further contributors.
- Other Models
-
Here you find 138 models, 136 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Heco, Hennel & Co. KG; Schmitten, Pulheim (auch Berlin)
Collections
The model Professional is part of the collections of the following members.