• Country
• United States of America (USA)

• Manufacturer / Brand
• Tech Laboratories, Inc.; New Jersey

• Year
• 1970 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 140431

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Attenuator LA-621.5 - Tech Laboratories, Inc.; New

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 51 x 51 x 82 mm / 2 x 2 x 3.2 inch

• Notes
• Attenuator LA-621.5
  0...30dB, 20 steps @ 1.5dB.
  Impedance: In/Out: 600/600 Ohms.

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

• Source of data
• - - Data from my own collection

• Author
• Model page created by a member from D. 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 Tech Laboratories, Inc.; New Jersey