• Country
• United States of America (USA)

• Manufacturer / Brand
• dbx Inc.; Waltham (MA)

• Year
• 1990 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 298228

Click on the schematic thumbnail to request the schematic as a free document.

• Main principle
• Audio-Amplification

• Power type and voltage
• Alternating Current supply (AC) / 115/230 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: 900 Series Rack Mount Frame F-900A - dbx Inc.; Waltham MA

• Shape
• Rack

• Dimensions (WHD)
• 482 x 133 x 340 mm / 19 x 5.2 x 13.4 inch

• Notes

• Mainframe F-900A can hold up to 9 series 900 modules.
  The 15V (+15, -15V) rails are used for processing,
  +15V bus capacity 1000mA,
  -15V bus capacity 1000mA, 
  The 24V (+24, -24V) rails are used for output drivers in order to obtain +24dBm into 600 Ohms
  +24V bus capacity 555mA,
  -24V bus capacity 500mA, 
   

• Net weight (2.2 lb = 1 kg)
• 4 kg / 8 lb 13 oz (8.811 lb)

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

• Other Models

• Here you find 26 models, 25 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from dbx Inc.; Waltham (MA)