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Each transmitter/receiver system operates on a choice of eight
switch-selected frequencies. Available frequencies are shown
in the chart. All frequencies may be combined for up to 8
simultaneous operating channels.
OVERALL SYSTEM
UHF Operating Frequency
Number of Channels
Frequency Stability
Modulation Mode
Maximum Deviation
Operating Range
Operating Temperature Range
Frequency Response
RECEIVER
Receiving System
Image Rejection
Signal-to-noise Ratio
Total Harmonic Distortion
Sensitivity
Audio Output
Unbalanced
Balanced
Output Connectors
Unbalanced
Balanced
Power Supply
Dimensions
Net Weight
Accessory Included
WIRELESS ESSENTIALS
®
MICROPHONES AND CABLES
All Wireless Essentials
®
accessories are terminated for use with all A-T
UniPak
™
transmitters.
AT829cW
Miniature cardioid condenser lavalier microphone.
MT830cW
Miniature omnidirectional condenser lavalier microphone.
MT830cW-TH "Theater" model, same as MT830cW except beige color mic
and cable.
AT831cW
Miniature cardioid condenser lavalier microphone.
AT889cW
Headworn noise-canceling condenser microphone.
AT892cW
MicroSet
®
headworn omnidirectional condenser microphone.
AT892cW-CO Same as AT892cW except cocoa-color mic, earset and
cable.
AT892cW-TH "Theater" model, same as AT892cW except beige color
mic, earset and cable.
AT898cW
Subminiature cardioid condenser lavalier microphone.
AT899cW
Subminiature omnidirectional condenser lavalier microphone.
AT899cW-TH "Theater" model, same as AT899cW except beige color mic
and cable.
ATM350cW
Cardioid condenser instrument microphone.
700 Series UHF Operating Frequencies
542.125 MHz to 561.250 MHz
8
±0.005%, Phase Lock Loop Frequency
control
FM
±25 kHz
200' typical
40º F (4ºC) to 110º F (43º C)
100 Hz to 12 kHz
Antenna Switching Diversity
55 dB minimum
>80 dB at 10 kHz deviation (IEC
weighted), maximum deviation 25 kHz
≤1% (10 kHz deviation @ 1 kHz)
25 dBµV (S/N 60 dB at 10 kHz deviation,
IEC-weighted)
211 mV (-13.5 dBV) (1 kHz modulation,
10 kHz deviation)
150 mV (-16.5 dBV) (1 kHz modulation,
10 kHz deviation)
1
/
" TS ("mono") phone jack
4
XLRM-type
100-240 VAC (50/60 Hz) to 12V DC 1A
(center positive) switched mode, external
power supply
7.48" (190.0 mm) W x 1.65" (42.0 mm) H
x 5.12" (130.0 mm) D
12.9 oz (365 g)
Power supply
Optional System Accessories
700 Series Frequency Channel Plan
Channel
1
2
3
4
5
6
7
8
Specifications
†
UNIPAK
™
TRANSMITTER
RF Power Output
Spurious Emissions
Dynamic Range
Input Connections
Batteries (not included)
Current Consumption
Battery Life
Dimensions
Net Weight (without batteries)
HANDHELD TRANSMITTER
RF Power Output
Spurious Emissions
Dynamic Range
Microphone Element
Batteries (not included)
Current Consumption
Battery Life
Dimensions
Weight (without batteries)
Accessory Included
†
In the interest of standards development, A.T.U.S. offers full details on its test methods to
other industry professionals on request.
Specifications are subject to change without notice.
ATM73cW
Headworn cardioid condenser microphone.
ATM75cW
Headworn cardioid condenser microphone.
PRO 8HEcW Headworn hypercardioid dynamic microphone.
PRO 35cW
Cardioid condenser instrument microphone.
U851cW
Surface-mount wide-range hemi-cardioid condenser
microphone.
U857ALcW
Gooseneck cardioid microphone. Mounts to
AT-GCW
Hi-Z instrument/guitar cable with
XLRW
Connecting cable for UniPak
input connector, for Lo-Z microphones with XLRM-type
output terminations.
TRANSMITTER ACCESSORIES
AT8114
Foam windscreen for handheld transmitter.
AT8456a
Quiet-Flex
threads.
Frequency - MHz
TV Channel
542.125
545.750
551.500
552.000
557.875
559.375
560.500
561.250
High: 10 mW; Low: 5 mW
Under Federal Regulations
>100 dB, A-weighted
High impedance, Low impedance, Bias
Two 1.5V AA Alkaline
High: 140 mA; Low: 130 mA, typical
Approximately 8 hours (High); 10 hours
(Low), depending on battery type and use
pattern
2.56" (65.0 mm) W x 4.13" (105.0 mm) H
x 0.73" (18.5 mm) D
2.8 oz (80 g)
10 mW
Under Federal Regulations
>100 dB, A-weighted
Dynamic Unidirectional
Two 1.5V AA Alkaline
120 mA, typical
Approximately 12 hours depending on
battery type and use pattern
9.65" (245.0 mm) long, 2.11" (53.5 mm)
diameter
9.1 oz (257 g)
AT8456a Quiet-Flex
stand clamp
™
1
/
" phone plug.
4
™
transmitter with an XLRF-type
™
stand clamp for handheld transmitter,
26
27
28
29
5
/
"-27 thread.
8
5
/
"-27
8
7
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