Professional 450
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
- 141860
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- 3 Loudspeakers
- Material
- Wooden case
- from Radiomuseum.org
- Model: Professional 450 - Heco, Hennel & Co. KG;
- Dimensions (WHD)
- 250 x 400 x 200 mm / 9.8 x 15.7 x 7.9 inch
- Notes
- 3-Weg-HiFi-Box, geschlossenes, akustisch bedämpftes Gehäuse.
50 Watt Sinus an 4 Ohm. Übertragungsbereich 35-25000Hz. Brutto-(Netto-) Volumen: 20 (11) Liter.
Bestückung: 1 Tieftöner 200mm; 1 Kalotten-Mitteltöner 38mm; 1 Kalotten-Hochtöner 19mm. Frequenzweiche mit Übergängen bei 1000 und 3500Hz. Abnehmbare Frontabdeckung. Gehäuse in Nussbaum natur oder Schwarz.
- Net weight (2.2 lb = 1 kg)
- 8.4 kg / 18 lb 8 oz (18.502 lb)
- 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.