• Country
• United States of America (USA)

• Manufacturer / Brand
• Tenma; Centerville, OH

• Year
• 1990 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 287066

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Audio Generator 72-505 - Tenma; Centerville, OH

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

• Dimensions (WHD)
• 82 x 150 x 21 mm / 3.2 x 5.9 x 0.8 inch

• Notes

• The Tenma Model 72-505 Audio Generator generates frequencies from 10 Hz - 150 kHz in two ranges, both with 23 steps.  Output impedance is 600 ohms.

  Made in Taiwan

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Author
• Model page created by David Erali. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tenma; Centerville, OH