JansZen Electrostatic Tweeter 65

JansZen (Brand), JansZen Laboratory, Inc., KLH Research Corp.; Mass,JansZen Audio.; Ohio

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  • Year
  • 1955 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 362356

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

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 50-60 Hz, 117 Volt
  • Loudspeaker
  • Electrostatic Loudspeaker (high bias DC voltage)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: JansZen Electrostatic Tweeter 65 - JansZen Brand, JansZen
  • Shape
  • Book-shelf unit.
  • Notes

  • The Model 65 is a more compact version of the Model 1-30, using the same push-pull electrostatic principle but with two panels instead of four. It retains the same core technology and performance goals: a lightweight diaphragm for detailed, low-distortion sound, and a frequency range starting from around 1,000 Hz upwards. Like the 1-30, it is designed for use with a dynamic woofer, includes its bias supply, and features a built-in high-pass filter for easy integration.
    The Model 65 is also praised for its clarity, neutrality, and smoothness, requiring careful matching with woofers for best results.

    Specifications Model 65
    Push-pull electrostatic transducer comprising 2 radiators

    • Freq. Response: 700 Hz to 30 kHz
    • Crossover: LRC high-pass filter
    • Power input: 117 V, 50-60 Hz, 2 W drain
    • Max, Input:
      • 8 Ω: 20 V RMS (50 watts)
      • High Freq. dispersion: 60°
    • Distortion: Less than 0.5% THD at 50 W input below 10 kHz.
    • Impedance: 8 Ω 
  • Mentioned in
  • - - Manufacturers Literature
  • Author
  • Model page created by Gary Cowans. See "Data change" for further contributors.

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