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The compact HE-1 is a sure-fi re 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
SPECIFICA
TI
ONS
Input Connectors
...................................................................
2 x 1/4” TRS jacks
Output Connectors
................................................................
2 x 1/4” TRS jacks
Input/Output Impedance
............................................................................
10K
Ω
Maximum input
.....................................................................................
Maximum input .....................................................................................Maximum input
8V RMS
Maximum source impedance
.......................................................................
1K
Ω
Minimum load impedance
.........................................................................
10K
Ω
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
.............................................................................................
Weight .............................................................................................Weight
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-
mail: service@nady.com.
(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.
HE-1
H U M E L I M I N AT O R
HUM ELIMINATOR
NADY SYSTEMS, Inc.
6701 Shellmound Street • Emeryville, CA 94608
Tel: 510.652.2411 • Fax: 510.652.5075 • www.nady.com
USER GUIDE