• Country
• United States of America (USA)

• Manufacturer / Brand
• Production Devices; El Cajon, CA

• Year
• 1970 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 346401

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 2 x 9 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Audio Sweep Generator Lil' Hummer 125 - Production Devices; El Cajon,

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

• Notes

• Tone generator with 4 fixed frequencies and 2 sweep ranges.

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Production Devices; El Cajon, CA