Heco SM 540 specifications

Category : Speakers

Brand : Heco

General

Tech nical data

  • Manufacturer: Heco
  • Model: SM 540
  • Type: Loudspeaker
  • Years of construction: 1971 - 1973
  • Manufactured in: Schmitten (Germany)
  • Color: Sanding varnish White, walnut, front aluminum perforated sheet anodized
  • Dimensions: 560 x 280 x 200 mm (HxWxD)
  • Weight: 9.7 kg
  • Factory price approx.: 348 DM
  • Type of construction: 3-way, 3 speakers, closed
  • Chassis: < ul>
  • Woofer: 245 mm Cone
  • Midrange: 130 mm Cone
  • Tweeter: 25 mm Dome
  • Load capacity (nominal/musical b.): 40 W / 50 W
  • Efficiency:
  • Frequency response: 30 - 25'000 Hz
  • Transition ranges: 650 Hz, 1'600 Hz
  • Impedance: 4 - 8 ohms
    • Woofer: 245 mm Cone
    • Midrange: 130 mm cone
    • Tweeter: 25 mm Dome
    • Other models of the same series:
    • Heco SM 520
    • Heco SM 525
    • Heco SM 530
    • Heco SM 535
    • Heco SM 540
    • Excerpt from brochure: Heco SM 540

    Heco SM 540

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