Nady Systems Humidifier HE 1 User Manual

HE-1
USER GUIDE  
HUM ELIMINATOR  
The 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 attenu-  
ation  
• Breaks grounds loops safely, while leaving all signal grounds intact  
• Dual Channel I/O with 1/4” TRS jacks  
• Converts automatically back and forth between balanced and unbalanced  
lines at either end  
• Completely passive design with audiophile quality components assures the  
best possible noise and distortion-free performance  
SPECIFICATIONS  
Input Connectors  
2 x 1/4” TRS jacks  
Output Connectors  
Input/Output Impedance  
Maximum input  
2 x 1/4” TRS jacks  
10KΩ  
8V RMS  
Maximum source impedance  
Minimum load impedance  
Frequency response  
Dimensions (WxHxD)  
Weight  
1K
Ω  
10K
Ω  
20HZ to > 20kHz (- .05dB)  
4.5” x 1.63” x 3.5” (114.3 x 41.4 x 88.9 mm)  
16 oz (453g)  
SERVICE  
(U.S.) Should your Nady HE-1 Hum Eliminator require service, please contact  
the Nady Customer Service Department via telephone: (510) 652-2411 or e-  
(INTERNATIONAL) For service, please contact the Nady distributor in your  
country through the dealer from whom you purchased this product.  
The warranty card supplied with this system provides valuable warranty and  
service information. Store it in a safe place for future reference. Do not attempt  
to service this unit yourself as it will void your warranty.  
NADY SYSTEMS, Inc.  
6701 Shellmound Street • Emeryville, CA 94608  
 

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