• Country
• United States of America (USA)

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

• Year
• 1967 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 172253

• Number of Transistors
• 8

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 120/240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Preamplifier PAT-4 - Dyna Co. Dynaco; Philadelphia

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 13.5 x 4.25 x 9 inch / 343 x 108 x 229 mm

• Notes
• Dynaco's first solid-state Pre-Amp; PAT = Pre-Amplifier Transistor.

• Net weight (2.2 lb = 1 kg)
• 10 lb (10 lb 0 oz) / 4.540 kg

• Literature/Schematics (1)
• -- Original-techn. papers.

• 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