• Country
• United States of America (USA)

• Manufacturer / Brand
• Lansing, James B. (JBL), Los Angeles, CA

• Year
• 1966 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 247861

• • Brand: JBL

• Number of Transistors
• 23

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 120; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Graphic Controller SG-520 - Lansing, James B. JBL, Los

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 15.625 x 13 x 6.75 inch / 397 x 330 x 171 mm

• Notes

• Stereo preamplifier.

• Net weight (2.2 lb = 1 kg)
• 20 lb (20 lb 0 oz) / 9.080 kg

• Author
• Model page created by Kent Leech. See "Data change" for further contributors.

• Other Models

• Here you find 78 models, 78 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lansing, James B. (JBL), Los Angeles, CA