• Country
• Japan

• Manufacturer / Brand
• Panasonic, Matsushita, National ナショナル (also tubes); Osaka

• Year
• 1982 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 181068

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• 3 Loudspeakers / Ø 25 cm = 9.8 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Linear Phase Speaker System SB-1970 - Panasonic, Matsushita,

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 391 x 803 x 340 mm / 15.4 x 31.6 x 13.4 inch

• Notes
• Technics 3-Way 8 Ohm Speaker System. 250mm woofer; 130mm midrange and 12mm dome tweeter. Crossover frequency 2000Hz and 3000Hz. Features tweeter speaker protector reset button and removable front grille. Handles 90 Watts (Music power) / 60 Watts (DIN). Made in Japan.

• Net weight (2.2 lb = 1 kg)
• 16.3 kg / 35 lb 14.4 oz (35.903 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Roger Brinkman. See "Data change" for further contributors.

• Other Models

• Here you find 2998 models, 2773 with images and 626 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Panasonic, Matsushita, National ナショナル (also tubes); Osaka