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3000B
SPECIFICA
SPECIFICA
SPECIFICATIONS
TIONS
TIONS
TIONS
SPECIFICA
SPECIFICA
TIONS
HEADSET/All FH- and UH- models
Sensitivity .............. 104 dB re .0002 microbar @ 1000 Hz 1 mW
Frequency Response .......... 150-5,000 Hz + 5 dB in 6cc coupler
Impedance ............ 600 ohms nominal, 150 to 1200 ohm source
Weight .................................................................................. 19 oz
Shielding ........................ Full floating shield w/independent gnd.
Noise Reduction Rating ...................................................... 24 dB
NOISE REDUCTION DATA
MEAN ATTENUATION IN dB
MEAN DEVIATION IN dB
NRR = 24
Sonetics Corporation warrants to the original purchaser of its products, that they will be free from defects in materials and
workmanship, under normal and proper use, for the period of one year from date of purchase. Sonetics Corporation will repair
or replace, at its option, any parts showing factory defects during this warranty period, subject to the following provisions. This
warranty applies only to a new product which has been sold through authorized channels of distribution. All work under warranty
must be performed by Sonetics Corporation. All returned products must be shipped to our address, freight prepaid, accompa-
nied by a dated proof of purchase. The purchaser voids this warranty if he or others attempt to repair, service or alter the product
in any way. This warranty does not apply in the event of accident, abuse, improper installation, unauthorized repair, tampering,
modification, fire, flood, collision, or other damage from external sources, including damage which is caused by user replaceable
parts (leaking batteries, etc.). This warranty does not extend to any other equipment or apparatus to which this product may be
attached or connected. The foregoing is your sole remedy for failure in service or defects. Sonetics Corporation shall not be
liable under this or any implied warranty for incidental or consequential damages, nor for any installation or removal costs or
other service fees. This warranty is in lieu of all other warranties, express or implied, including the warranty of merchantability or
fitness of use, which are hereby excluded. To the extent that this exclusion is not legally enforceable, the duration of such implied
warranties shall be limited to one year from date of purchase. No suit for breach of express or implied warranty may be brought
after one year from date of purchase.
INTERCOM
Size ..................... 7-3/8"L x 6-1/2"W x 2-3/8"H with mounting bracket
Weight .......................................................................................... 48 oz
Output ............................................... 375 milliwatts into each of up to
...................................... six 150 ohm headsets. Sound level remains
............... constant regardless of the number of headsets connected.
Power Requirements ........................ .016 amps, 12-24 VDC external
Fuse ......................................................... 1/2 amp fast blow type 3AG
125
250
500
19.3
24.7
32.7
3.1
4.1
3.5
One-Y
One-Y
One-Y
One-Y
One-Year Limited W
ear Limited W
ear Limited Warranty to Original Purchaser
ear Limited W
ear Limited W
MICROPHONE/Part No: A-7A
DC Bias Supply ..................... 8 to 16 volts, not polarity sensitive
Source Resistance .......................................... 220 to 2200 ohms
Output Voltage ............ 370 mV @ 114 dB spl re .0002 microbar
Frequency Response ...................... Optimized for speech clarity
Max. Amb. Noise Level ................. 125 dB spl re .0002 microbar
Weight ................................................................................. .02 oz
1000
2000
3000
37.2
31.3
35.3
2.5
2.9
3.6
Use this laboratory-derived data for comparison only. The amount of protection afforded in field
use is often significantly lower depending on how the headset is fitted and worn.
arranty to Original Purchaser
arranty to Original Purchaser
arranty to Original Purchaser
arranty to Original Purchaser
and noise reduction
4000
6300
8000
37.5
33.9
32.3
3.7
3.7
4.4
10
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