• Country
• United States of America (USA)

• Manufacturer / Brand
• B&K (Precision), Dynascan Corp., Cobra Electronics; Chicago, IL and Yorba Linda, CA

• Year
• 1977 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 189134

• • alternative name: B&K Manufacturing Company

• Number of Transistors
• 19

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 125 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Frequency counter 1801 - B&K Precision, Dynascan Corp.,

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 222 x 78 x 265 mm / 8.7 x 3.1 x 10.4 inch

• Notes
• 6 digits visual display; Frequency Range 20 Hz to 40 MHz; resolution 1 Hz; input 1 megaohm, shunted by 25 pF; sinewave sensitivity 30 mV rms; maximum Input 200 V (peak AC + DC) at 1 kHz and 50 V (peak AC +DC) at 40 MHz.

• Net weight (2.2 lb = 1 kg)
• 5.5 lb (5 lb 8 oz) / 2.497 kg

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Emilio Focosi. See "Data change" for further contributors.

• Other Models

• Here you find 113 models, 109 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from B&K (Precision), Dynascan Corp., Cobra Electronics; Chicago, IL and Yorba Linda, CA