• Country
• United States of America (USA)

• Manufacturer / Brand
• Hewlett-Packard, (HP); Palo Alto, CA

• Year
• 1955–1959 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 92263

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

• Number of Tubes
• 6

• Valves / Tubes
• 6AU6 6AQ5 6SN7 6K6 6K6 5Y3 or 5AR4

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115/230 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 3 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Audio Oscillator 201C - Hewlett-Packard, HP; Palo Alto

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 190 x 288 x 310 mm / 7.5 x 11.3 x 12.2 inch

• Notes
• Ausgangsleistung 3W (42,5V) an 600 Ohm.
  Bereiche: 20..200/200..2000/2000..20000 Hz.
  Alternativbestückung für 5Y3: 5AR4
  Abschwächer: 0/10/20/30/40dB und kontinuierliche Regelung des Ausgangs.
  

• Net weight (2.2 lb = 1 kg)
• 7.4 kg / 16 lb 4.8 oz (16.3 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Daniel Consales. See "Data change" for further contributors.

• Other Models

• Here you find 392 models, 360 with images and 138 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hewlett-Packard, (HP); Palo Alto, CA