• Country
• Japan

• Manufacturer / Brand
• Kikusui Denpa, later Kikusui Electronics; Yokohama

• Year
• 1960 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 318392

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

• Number of Tubes
• 9

• Valves / Tubes
• 12AT7 12AT7 12AU7 12AU7 12AU7 6DT6 6X4 1X2A 3KP1

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 100 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Cathode Ray Oscilloscope OP-31C - Kikusui Denpa, later Kikusui

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 186 x 272 x 330 mm / 7.3 x 10.7 x 13 inch

• Notes

• Y amplifier: AC coupled, 1 MHz max. bandwith (-3 dB point)
  
  Input impedance:
  2.2 MΩ @ 15 pF +/-3 pF (Using internal amplifier)
  2.2 MΩ @ 30 pF +/-3 pF (Using direct connection to deflection plates, bypassing internal amp)
  
  Maximum input voltage:
  50 V P-P using internal amp
  250 V p-p using direct connection
  
  Deflection sensitivity:
  80 mV P-P/cm using internal amp
  22 V P-P/cm using direct connection
   

• Net weight (2.2 lb = 1 kg)
• 7.8 kg / 17 lb 2.9 oz (17.181 lb)

• Literature/Schematics (1)
• - - Manufacturers Literature

• Author
• Model page created by Jared Cabot. See "Data change" for further contributors.

• Other Models

• Here you find 29 models, 27 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kikusui Denpa, later Kikusui Electronics; Yokohama