• Country
• United States of America (USA)

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

• Year
• 1968–1970 ?

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 136114

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Direct Current supply (DC) / 200 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Microphone Assembly 15119A - Hewlett-Packard, HP; Palo Alto

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 12.7 x 130 x 0 mm / 0.5 x 5.1 x 0 inch

• Notes
• Cylindrical 1/2 inch Capacitor Microphone with integral amplifier.
  Within 1 dB from 20 Hz to 25 kHz. Amplifier is a FET follower circuit.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Price in first year of sale
• 275.00 $

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Roy Johnson. See "Data change" for further contributors.

• Other Models

• Here you find 391 models, 359 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