Nady Systems Headphones HM 1 User Manual

NADY  
HM-1  
Headmic™  
The HM-1 is a miniature cardioid polar pattern headworn dynamic micro-  
phone, specifically designed to provide enhanced professional quality  
vocal pick-up in applications for which hands-free operation is required.  
With the introduction of the original Headmic™ over 15 years ago,  
Nady pioneered the first headworn mics on the market. Now, Nady sets  
the latest performance standard for headset mics with the new Nady  
HM-1 Headmic™.  
With the HM-1, singers/musicians, The HM-1 is designed to operate either  
DJs, Aerobic instructors, TV broadcasters, with hardwired or wireless microphone  
and others who require the highest quali- transmitters. And unlike condenser mics  
ty vocals with improved gain before feed- used on many other headworn mics, the  
back can achieve better performance dynamic mic on the HM-1 requires no  
than is available with small omnidirec- draining phantom power or troublesome  
tional lapel microphones or even full- batteries.  
sized stand-mounted cardioid micro-  
USE & CARE  
phones. With its high sensitivity and wide  
The head band's shaped rests are  
band width, the HM-1 is optimally  
placed on top of each ear and the rest of  
designed for both singing and speaking  
the band extends around the back of the  
applications. The close-up unidirectional  
head.The the pad supporting the goose-  
vocal pickup provides a full sound while  
neck rests on the temple in front of the  
suppressing irritating background noises.  
ear providing the necessary stability dur-  
Polar Pattern Directional Characteristic  
Top Level: -50 dB  
Frequency: 1k Hz  
Type: HM-1  
FEATURES  
ing use. The temple pad can be adjusted  
The HM-1 features an adjustable forward or back as necessary for a per-  
gooseneck which can be set at any angle fect fit for anyone. The flexible mic  
required by the user. The head worn sup- boom descends from the ear on the left  
port system is extremely light and com- side.  
+20  
+10  
0
fortable, and is designed to be visually  
The entire HM-1 assembly has been  
unobtrusive while worn. Its ear rests and moisture-proofed to guard against deteri-  
temple provide maximum stability during oration during use. After use in a high  
use, even while moving, dancing, or shak- moisture application such as aerobics or  
ing the head. The durable cable assembly a stage performance, remove the foam  
and internal construction are designed to screen, wipe off the headset with a  
minimize handling noise from contact and towel, and permit it to air-dry. Do not  
-10  
-20  
20  
500  
Frequency in Hz  
50  
100  
1k  
10k  
20k  
SPECIFICATIONS  
movement.  
store the unit in a closed space (e.g., a  
Element: Dynamic (UM-4)  
The HM-1 is Nady's newest head- plastic bag) until all moisture has evapo-  
worn mic and it incorporates state-of-the- rated, and avoid conditions of extremely  
art technology for the best frequency and high humidity. This will help maintain the  
transient response available. The HM-1s excellent performance. While the  
advanced design offers improved reliabil- HM-1 is not unusually sensitive to the out-  
ity under adverse operating conditions side environment, extremes in tempera-  
and negligible distortion as compared to ture can be harmful. Therefore, for exam-  
other head worn mics. The result is ple, avoid leaving the microphone in  
Polar Pattern: Cardioid (Unidirectional)  
Frequency response: 100Hz~15kHz  
Sensitivity: -78dB 3dB(@1kHz, 74dB SPL)  
Impedance: 800 ohms 30% @ 1kHz  
Cable Length: 52" (1300 mm)  
Dimensions: Headset: 5.66" (144 mm) nominal  
at widest point; 3.74" (95 mm) flexible boom,  
.187" (4.4 mm) diameter  
Weight: 1.65 oz. (46.2 grams) with cable  
remarkably stable performance.  
direct sunlight for long periods of time.  
Nady Systems, Inc.  
6701 Shellmound Street, Emeryville, CA 94608 • 510.652.2411 • Fax 510.652.5075  
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