• Country
• United States of America (USA)

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

• Year
• 1960 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 360321

• Number of Tubes
• 12

• Valves / Tubes
• 7025 7025 7025 7025 7025 12AU7 12AU7 6550 6550 6L6GB 5U4GB 5U4GB

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

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

• Power out
• 60 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: G75-A - Grommes Precision Electronics,

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

• Dimensions (WHD)
• 18 x 0 x 7 inch / 457 x 0 x 178 mm

• Notes

• PA amplifier with 6 inputs:  3x Mic + Mic / Mag Phono + Xtal Phono + Aux.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 1081, folder SED, dated 3-70.)

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 78 models, 70 with images and 55 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grommes Precision Electronics, Inc.; Chicago (IL)