• Country
• United States of America (USA)

• Manufacturer / Brand
• MILITARY U.S. (different makers for same model)

• Year
• 1951

• Category
• Military Equipment (not Re, Tr or RXT)

• Radiomuseum.org ID
• 205989

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

• Number of Tubes
• 7

• Valves / Tubes
• 6SJ7 6SJ7 6SJ7 6H6 5Y3GT 6SQ7 0C3 or VR105 6L6

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115; 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Decibel Meter ME-22A/PCM - MILITARY U.S. different makers

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 19 x 9 x 12 inch / 483 x 229 x 305 mm

• Notes
• This is the receiver/analyzer component of a military TS-140/PCM audio analyzer test set. The particular unit in the initial pictures is manufactured by the Connecticut Telephone and Electric Corporation of Meriden. This unit relies exclusively on the analog level meter and has no additional speaker or headset output despite the high tube count. The unit has a -30 to +10 db range selector switch; the only other user-configurable settings are a choice of inserting a terminating resistor or not.

• Net weight (2.2 lb = 1 kg)
• 47 lb (47 lb 0 oz) / 21.338 kg

• Author
• Model page created by Hank Kaczmarski. See "Data change" for further contributors.

• Other Models

• Here you find 398 models, 350 with images and 210 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.S. (different makers for same model)