RDL EZ-HK3 Audio/Video Hum Killer

BH #RDEZHK3 • MFR #EZ-HK3
RDL
RDL EZ-HK3 Audio/Video Hum Killer
Key Features
  • A/V Ground-Loop Hum Elimination
  • Composite Video Galvanic Isolation
  • Unbalanced Stereo Galvanic Isolation
  • Input & Output RCA Jacks
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The RDL EZ-HK3 Audio/Video Hum Killer is a high-quality video transformer isolation module. It's designed specifically for use with unbalanced high-impedance audio inputs and 75-Ohm composite video. The device features both input and output connections on gold-plated RCA jacks. Each input jack is electrically isolated from the case itself as well as from the output ground. Each output jack is connected to the rear panel ground-lift switch, which is designed to eliminate hum due to ground loops. Ground loops are common when the EZ-HK3 is installed between a video source, such as a computer or DVD player, and the input of a grounded video monitor or projector in an AV or video system.
Special Order
Expected availability: 3-7 business days
$99.31
Merry A., B&H Pro Audio Expert

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RDL EZ-HK3 Overview

The RDL EZ-HK3 Audio/Video Hum Killer is a high-quality video transformer isolation module. It's designed specifically for use with unbalanced high-impedance audio inputs and 75-Ohm composite video. The device features both input and output connections on gold-plated RCA jacks. Each input jack is electrically isolated from the case itself as well as from the output ground. Each output jack is connected to the rear panel ground-lift switch, which is designed to eliminate hum due to ground loops. Ground loops are common when the EZ-HK3 is installed between a video source, such as a computer or DVD player, and the input of a grounded video monitor or projector in an AV or video system.

Key Features

Composite Video Input

Connect the video output from the audio/video source to the composite video input RCA jack

Stereo Audio Inputs

Connect the audio output from the audio/video source to the RCA jacks

Composite Video Output

Connect the video output to the A/V system or equipment video input

Stereo Audio Outputs

Connect the audio outputs to the A/V system or equipment audio input

Ground-Lift Switch

The audio and video output cable shields are connected to the EZ-HK3 chassis when the switch is in the NORM position. In the unlikely event that the EZ-HK3 chassis is mounted to equipment with a different ground from the equipment the EZ-HK3 output is feeding, a ground loop could be produced. This ground loop is eliminated by setting the switch to the LIFT position

Highlights

Audio and video ground-loop hum elimination
Unbalanced stereo galvanic isolation
75-Ohm composite video galvanic isolation
Portable use or permanent installation
Input and output RCA jacks
Excellent low and high video frequency response
Gold-plated connectors
UPC: 813721010681

RDL EZ-HK3 Specs

Video OutputComposite Video (1 V p-p nominal)
Output ImpedanceVideo: 75 Ohms
Audio: 10 kOhms
Video Bandwidth40 Hz to > 5 MHz
Audio InputStereo on RCA Phono jacks (-10 dBV nominal, ground-isolated)
Audio Input Impedance10 kOhms
Audio OutputStereo on RCA Phono jacks, -10 dBV nominal
Audio Frequency Response20 Hz - 20 kHz (±1 dB)
Total Harmonic Distortion (THD)< 0.05% (1 kHz)
CrosstalkChannel to Channel: < -75 dB (20 Hz - 10 kHz) / < -65 dB (10 kHz to 20 kHz)
Video to Audio: < -80 dB (referred to -10 dBV)
Audio to Video: < -85 dB (referred to 1 V p-p)
Output IsolationOutput Ground Isolation: Switch-selectable (lifts audio and video grounds)
GainAudio/Video: Unity nominal (passive circuit)
Mounting Size1/6 rack width
Dimensions (WxD)2.9 x 3.0" / 7.4 x 7.6 cm
WeightNot specified by manufacturer
Packaging Info
Package Weight0.45 lb
Box Dimensions (LxWxH)4.8 x 4.3 x 2.2"
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