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Radio Design Labs EZ-HK3
Audio/Video Hum Eliminator

OUR PART #  EZ-HK3

Our Price: $97.92
List Price: $130.98
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Radio Design Labs' EZ-HK3 is a quality stereo audio and composite video transformer isolation module for use with unbalanced, high impedance audio inputs and standard 75 ohm composite video.  Input and output connections are provided on gold-plated RCA jacks.

The shield connection of each input jack is electrically isolated from the case and from the output ground.  The shield connection of each output jack is connected to the case shield through a rear-panel ground-lift switch.

The EZ-HK3 eliminates hum due to ground loops when it is installed between an unbalanced audio/video source, such as a computer or DVD player, and the input of a grounded amplifier and video monitor or projector in an A/V system.

Features:

  • Audio and Video Ground-Loop Hum Elimination
  • Unbalanced Stereo Galvanic Isolation
  • 75 Ohm Composite Video Galvanic Isolation
  • Input and Output RCA Jacks
  • Switch-Selectable Ground Lift for Output Jacks
  • Portable Use or Permanent Installation
  • Portable Use or Permanent Installation
  • Ground-Lift Switch
  • Excellent low and high video frequency response

Specifications:

  • Video Output: Composite Video, 1 V p-p nominal
  • Output Impedance: 75 ohm
  • Video Bandwidth: 40 Hz to >5 MHz
  • Audio Input: Stereo on RCA Phono jacks, -10 dBV nominal, ground-isolated
  • Audio Input Impedance: 10 kOhm
  • Audio Output: Stereo on RCA Phono jacks, -10 dBV nominal
  • Audio Output Impedance: 10 kOhm
  • Audio Frequency Response: 20 Hz to 20 kHz (+/- 1 dB)
  • Audio Total Harmonic Distortion: <0.05% (1 kHz)
  • Crosstalk (channel to channel): <-75 dB (20 Hz to 10 kHz), <-65 dB (10 kHz to 20 kHz)
  • Crosstalk (video to audio): <-80 dB (referred to -10 dBV)
  • Crosstalk (audio to video): <-85 dB (referred to 1 V p-p)
  • Output Ground Isolation: Switch-selectable (lifts audio and video grounds)
  • Gain (audio and video): Unity nominal (passive circuit)
  • Case dimensions: 2.9" W x 3" D (7.4 x 7.6 cm)
  • Mounting size: 1/6 rack width

Radio Design Labs EZ-HK3
Audio/Video Hum Eliminator

OUR PART #  EZ-HK3

Product Information:

Radio Design Labs' EZ-HK3 is a quality stereo audio and composite video transformer isolation module for use with unbalanced, high impedance audio inputs and standard 75 ohm composite video.  Input and output connections are provided on gold-plated RCA jacks.

The shield connection of each input jack is electrically isolated from the case and from the output ground.  The shield connection of each output jack is connected to the case shield through a rear-panel ground-lift switch.

The EZ-HK3 eliminates hum due to ground loops when it is installed between an unbalanced audio/video source, such as a computer or DVD player, and the input of a grounded amplifier and video monitor or projector in an A/V system.

Features:

  • Audio and Video Ground-Loop Hum Elimination
  • Unbalanced Stereo Galvanic Isolation
  • 75 Ohm Composite Video Galvanic Isolation
  • Input and Output RCA Jacks
  • Switch-Selectable Ground Lift for Output Jacks
  • Portable Use or Permanent Installation
  • Portable Use or Permanent Installation
  • Ground-Lift Switch
  • Excellent low and high video frequency response

Specifications:

  • Video Output: Composite Video, 1 V p-p nominal
  • Output Impedance: 75 ohm
  • Video Bandwidth: 40 Hz to >5 MHz
  • Audio Input: Stereo on RCA Phono jacks, -10 dBV nominal, ground-isolated
  • Audio Input Impedance: 10 kOhm
  • Audio Output: Stereo on RCA Phono jacks, -10 dBV nominal
  • Audio Output Impedance: 10 kOhm
  • Audio Frequency Response: 20 Hz to 20 kHz (+/- 1 dB)
  • Audio Total Harmonic Distortion: <0.05% (1 kHz)
  • Crosstalk (channel to channel): <-75 dB (20 Hz to 10 kHz), <-65 dB (10 kHz to 20 kHz)
  • Crosstalk (video to audio): <-80 dB (referred to -10 dBV)
  • Crosstalk (audio to video): <-85 dB (referred to 1 V p-p)
  • Output Ground Isolation: Switch-selectable (lifts audio and video grounds)
  • Gain (audio and video): Unity nominal (passive circuit)
  • Case dimensions: 2.9" W x 3" D (7.4 x 7.6 cm)
  • Mounting size: 1/6 rack width
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