• Country
• United States of America (USA)

• Manufacturer / Brand
• Keithley Instruments Inc.; Cleveland (OH)

• Year
• 1962

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 206619

• Number of Tubes
• 9

• Valves / Tubes
• 12B4A 12AX7 6BH8 6CB6 EF86 EF86 EF86 EF86 6X4 0G3

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Decade Isolation Amplifier 102B - Keithley Instruments Inc.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 5.25 x 8 x 12 inch / 133 x 203 x 305 mm

• Notes
• The Model 102B is a DC to roughly 2MHz amplifier with 5 switch-selectable gain ranges of 0.1X, 1X, 10X, 100X and 1000X. It has a 3db switch-selectable rolloff at either 150kHz or 1.7Mhz. 6X4 tube for B+ voltage, but a selenium rectifier for bias supply.

• Net weight (2.2 lb = 1 kg)
• 11.5 lb (11 lb 8 oz) / 5.221 kg

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

• Author
• Model page created by Hank Kaczmarski. See "Data change" for further contributors.

• Other Models

• Here you find 38 models, 33 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Keithley Instruments Inc.; Cleveland (OH)