• Country
• United States of America (USA)

• Manufacturer / Brand
• Quest Technologies, Inc.; Oconomowoc (WI)

• Year
• 1986 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 283807

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Octave Filter Set OB-100 - Quest Technologies, Inc.;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 80 x 70 x 40 mm / 3.1 x 2.8 x 1.6 inch

• Notes

• Complement of Quest Sound level meter 2800

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Author
• Model page created by Michael Gnaedig-Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Quest Technologies, Inc.; Oconomowoc (WI)