• Country
• United States of America (USA)

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

• Year
• 1974 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 291047

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 50-60 Hz, 120; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Preamplifier PAT-5 - Dyna Co. Dynaco; Philadelphia

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 13.5 x 4.75 x 11.75 inch / 343 x 121 x 298 mm

• Notes

• A later version, PAT-5 BI-FET, followed the PAT-5 (introduced in 1974). The later version was updated with improved specifications, uniformity, and sound in several ways.

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

• Other Models

• Here you find 29 models, 29 with images and 19 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dyna Co. (Dynaco); Philadelphia PA