Heco SM 520

Data

General

• Manufacturer: Heco
• Model: SM 520
• Type: Loudspeaker
• Years of manufacture: 1971 - 1973
• Manufactured in: Schmitten (Germany)
• Colour: Sanding lacquer white, walnut, front aluminium perforated plate anodized
• Dimensions: 315 x 175 x 105 mm (HxWxD)
• Weight: 3,3 kg
• Original price approx.: 167 DM

Technical Data

• Type: 2-way, 2 speakers, closed
• Chassis:
  • Low frequency: 130 mm cone

Midrange:

• • Tweeter: 25 mm dome

Power handling (nominal/music): 20 W / 25 W Efficiency:

• Frequency response: 48 - 25'000 Hz.
• Crossover: 1'700 Hz
• Impedance: 4 - 8 Ohm

Notes

• Other models in the same series:
• Heco SM 520
• Heco SM 525
• Heco SM 530
• Heco SM 535
• Heco SM 540

Pictures

• Extract from brochure: Heco SM 520