• Country
• United States of America (USA)

• Manufacturer / Brand
• Grommes Precision Electronics, Inc.; Chicago (IL)

• Year
• 1959

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 166219

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

• Number of Tubes
• 8

• Valves / Tubes
• 7025 12AX7 12AX7 EL34 EL34 6973 5U4GB 5U4GB

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: Precision 60PA - Grommes Precision Electronics,

• Shape
• Tablemodel, low profile (big size).

• Notes

• The Precisions Electronics Model 60PA is a PA Amplifier with 3 inputs: 1. Mic, 2. Mic/mag. Phono, and 3. Phono/Tuner/Tape.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 5-59, Set 441, Folder 13)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 75 models, 68 with images and 51 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grommes Precision Electronics, Inc.; Chicago (IL)