• Country
• United States of America (USA)

• Manufacturer / Brand
• Conrad-Johnson Design, Inc.; Fairfax & McLean (VA)

• Year
• 1983

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 218352

• Number of Tubes
• 5

• Valves / Tubes
• 12AX7 12AX7 12AX7 12AT7 12AT7

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Vacuum Tube Preamplifier PV4 - Conrad-Johnson Design, Inc.;

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

• Dimensions (WHD)
• 13 x 4 x 9 inch / 330 x 102 x 229 mm

• Notes
• Conrad-Johnson Vacuum Tube Preamplifier PV4;
  4 stereo inputs.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 17 models, 16 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Conrad-Johnson Design, Inc.; Fairfax & McLean (VA)