• Country
• United States of America (USA)

• Manufacturer / Brand
• General Radio Company; Cambridge (MA)

• Year
• 1959 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 157785

• • alternative name: GenRad

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

• Number of Tubes
• 6

• Valves / Tubes
• CK512AX CK512AX CK512AX CK512AX CK6418 CK6418

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 2 x 1,5 & 67.5 Volt

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Sound-Level Meter 1551-B - General Radio Company;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 7.25 x 6.125 x 9.25 inch / 184 x 156 x 235 mm

• Notes
• General Radio Sound-Level Meter 1551-B;
  One instrument for dB & batt., on/off with microphone up, mic. holder with XLR plug.

• Net weight (2.2 lb = 1 kg)
• 7 lb 10 oz (7.625 lb) / 3.462 kg

• Price in first year of sale
• 395.00 $

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 238 models, 212 with images and 128 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Radio Company; Cambridge (MA)