• Country
• United States of America (USA)

• Manufacturer / Brand
• Marantz (Sound United LLC); Vista, CA

• Year
• 1978 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 271328

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• 3 Loudspeakers / Ø 8 inch = 20.3 cm

• Power out
• 55 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: High Definition Speaker System HD-440 - Marantz Sound United LLC;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 286 x 486 x 216 mm / 11.3 x 19.1 x 8.5 inch

• Notes
• Type: 3 way, 3 driver loudspeaker system
  Frequency Response: 40Hz to 18kHz
  Power Handling capacity: 55W
  Crossover Frequency: 2000Hz and 8000Hz
  Impedance: 8Ω
  Sensitivity: 87dB 1W/1m
   
  Bass: 1 x 200mm 841 1053 200G (S70321) J91TNG
  Midrange: 1 x 90mm 841 1052 000F (S50705) J91TNF
  Tweeter: 1 x 90mm  841 1043 000F (S41281) 993TNF

• Net weight (2.2 lb = 1 kg)
• 7.1 kg / 15 lb 10.2 oz (15.639 lb)

• Author
• Model page created by Bartosz Szwed. See "Data change" for further contributors.

• Other Models

• Here you find 569 models, 560 with images and 91 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marantz (Sound United LLC); Vista, CA