Heco Professional 550

Data

General

• Manufacturer: Heco
• Model: Professional 550
• Type: Loudspeaker
• Years of manufacture: 1978 - 1979
• Manufactured in: Federal Republic of Germany (West Germany)
• Color: Walnut, Black
• Dimensions: 460 x 290 x 220 mm (HxWxD)
• Weight: 9.5 kg / piece
• Original price approx.: 430 DM

Technical Data

• Type: 3-way closed, compact speaker
• Chassis:
  • woofer: 1 x 230 mm (cone)

midrange driver: 1 x 50 mm (dome)

• • tweeter: 1x 19 mm (dome)
• Power handling (nominal/music): 60 / 100 Watt
• Efficiency: 88 dB / 1 W / 1 m
• Frequency response: 30 - 25,000 Hz
• Transitional ranges: 700 / 4,000 Hz
• Impedance: 4 Ohm

Comments

• Other models in the same series:
• Heco Professional 250
• Heco Professional 450
• Heco Professional 550
• Heco Professional 650

Pictures

• Image: Heco Professional 550

• Picture: Heco Professional 550

• Picture: Heco Professional 550