Heco SM 640
Data[edit]
General
- Manufacturer: Heco
- Model: SM 640
- Type: Loudspeaker
- Years of manufacture: 1973 - 1978
- Made in: Germany
- Color: White, Walnut
- Dimensions: 560 x 280 x 200 mm (HxWxD)
- Weight: 8 kg
- Original price approx.: 398 DM
Technical data
- Type: 3-way, closed
- Chassis:
- Woofer: 250 mm cone
midrange driver: 38 mm dome tweeter Tweeter: 25 mm dome tweeter
- Power handling (nominal/music): 40/60 Watt
- Efficiency:
- Frequency response: 30 - 25,000 Hz
- Crossover: 800/3000 Hz
- Impedance: 4 Ohm
Special Features
- Front grille made of aluminium
Remarks[edit]
- Other models in the same series:
- Heco SM 620
- Heco SM 625
- Heco SM 630
- Heco SM 635
- Heco SM 640
Pictures[edit]
- Extract from brochure: Heco SM 635 / 640
