• Country
• United States of America (USA)

• Manufacturer / Brand
• Precision Apparatus Co. (Pacotronics); Brooklyn - Elmhurst - Glendale, NY / Chicago, IL

• Year
• 1959 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 159857

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

• Number of Tubes
• 14

• Valves / Tubes
• 5CP1A 12AV7 6U8 6CL6 6CL6 6U8 6C4 12BH7 12AV7 6BH6 12AU7 0A2 5V4 1V2 1V2

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Oscilloscope ES-550B - Precision Apparatus Co.

• Notes
• Oscilloscope with 5" green screen. Ranges from 10 Hz to 5 MHz within ±3 dB. Vertical sensitivity 10 mV/inch. Time base from 10 Hz to 100 kHz.

• Net weight (2.2 lb = 1 kg)
• 38 lb (38 lb 0 oz) / 17.252 kg

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Javier Albinarrate. See "Data change" for further contributors.

• Other Models

• Here you find 69 models, 63 with images and 26 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Precision Apparatus Co. (Pacotronics); Brooklyn - Elmhurst - Glendale, NY / Chicago, IL