• Country
• United States of America (USA)

• Manufacturer / Brand
• Dyna Co. (Dynaco); Philadelphia PA

• Year
• 1955 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 118406

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

• Number of Tubes
• 2

• Valves / Tubes
• 12AX7 12AX7

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Dynakit Preamplifier PAM-1 - Dyna Co. Dynaco; Philadelphia

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 12 x 3 x 6 inch / 305 x 76 x 152 mm

• Notes
• PreAmp mono; powered from PowerAmp or from External Power Supply PS-1.

• Net weight (2.2 lb = 1 kg)
• 7 lb (7 lb 0 oz) / 3.178 kg

• Source of data
• -- Collector info (Sammler)

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

• Other Models

• Here you find 27 models, 27 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dyna Co. (Dynaco); Philadelphia PA