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Nady Hum Eliminator / Mfr. no.: HE-1

Nady Hum Eliminator / Mfr. no.: HE-1
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Item Number: nad-he1
Vendor Number: HE-1
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The Nady compact HE-1 is a sure-fire bet for quick and easy removal of 60/120 cycle AC hum from your signal path. This two channel mini-box is designed to eliminate hum caused by ground loops while also acting as a direct box capable of converting unbalanced signals to true balanced signals for long interference-free cable runs. It's passive design is easily portable with no AC sockets necessary. A couple of these are essential hardware in every musician's or roadie's tool bag.


  • Eliminates AC hum (60Hz/120Hz buzz) easily with up to 20dB of attenuation
  • Converts automatically back and forth between balanced and unbalanced lines at either end—also can be used as direct box which converts signals from unbalanced to true balanced
  • Breaks grounds loops safely, while leaving all signal grounds intact
  • Dual Channel I/O with 1/4" TRS 'smart' jacks
  • Completely passive design with audiophile quality components assures the best possible noise and distortion-free performance


HE-1 Hum Eliminator

  • Input Connectors: 2 x 1/4" TRS jacks
  • Output Connectors: 2 x 1/4" TRS jacks
  • Input/Output Impedance: 10K Ohms
  • Maximum input: 8V RMS
  • Maximum source impedance: 1K Ohms
  • Minimum load impedance 10 Ohms
  • Frequency response 20HZ to > 20kHz (- .05dB)
  • Dimensions (WxHxD) 4.5" x 1.63" x 3.5"(114.3 x 41.4 x 88.9 mm)
  • Weight 16 oz (453g)