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Specifications
Overall System
Operating Frequency
UHF band, 792 MHz to 806 MHz (U.S. and Canada);
944 MHz to 952 MHz (U.S. only)
Frequency Stability
± 0.005%
Modulation Mode
FM
Maximum Deviation
±15 kHz
Operating Range
200' minimum
Operating Temperature Range
40° F (4° C) to 110° F (43° C)
Frequency Response
100 Hz to 15 kHz
Receiver
Receiving System
Dual independent receivers, automatic-switching
diversity reception
Image Rejection
45 dB minimum
Signal-to-noise Ratio
85 dB minimum at 10 kHz deviation (IEC-weighted)
≤1% (10 kHz deviation at 1 kHz)
Total Harmonic Distortion
≤ 20 µV for 60 dB S/N (IEC-weighted)
Sensitivity
Audio Output
350 mV (1 kHz modulation, 10 kHz deviation, 100k load)
Power Supply
12-18V DC, 140 mA
Dimensions
4.33" (110.0 mm) W x 1.38" (35.1 mm) H x 8.27" (210.1 mm) D
Net Weight
13.7 oz (390 grams)
Accessory Included
AD1205A AC adapter
UniPak
™
Transmitter
RF Power Output
50 mW Max
Spurious Emissions
Under federal regulations
≥90 dB
Dynamic Range
Input Connections
High impedance, low impedance, bias
Battery
9V (NEDA type 1604) alkaline, not included
Current Consumption
50 mA typical
Battery Life
Approximately 8 hours in High position
Approximately 10 hours in Low position
Dimensions
2.56" (65.0 mm) W x 4.33" (110.0 mm) H x 1.00" (25.4 mm) D
Net Weight (without battery)
3.2 oz (90 grams)
Handheld Transmitter
RF Power Output
50 mW Max
Spurious Emissions
Under federal regulations
≥90 dB
Dynamic Range
Microphone Element
Dynamic unidirectional
Battery
9V (NEDA type 1604) alkaline, not included
Current Consumption
50 mA typical
Battery Life
Approximately 8 hours in High position
Approximately 10 hours in Low position
Dimensions
9.53" (242.0 mm) long, 2.13" (54.0 mm) diameter
Net Weight (without battery)
12.3 oz (350 grams)
Accessory Included
AT8431 stand clamp
10
Optional System Accessories
Microphones and Cables (terminated for use with the UniPak
AT829cW
Miniature cardioid condenser lavalier microphone.
MT830cW
Subminiature omnidirectional condenser lavalier microphone.
MT830cW-TH
"Theater" model, same as MT830cW except beige color.
AT831cW
Miniature cardioid condenser lavalier microphone.
AT851cW
Miniature unidirectional condenser boundary microphone.
AT857AMLcW
19" gooseneck cardioid condenser podium microphone.
ATM35cW
High-intensity miniature cardioid condenser instrument microphone.
ATM73cW
Headworn cardioid condenser microphone.
ATM75cW
Headworn cardioid condenser microphone.
PRO 8HEcW
Headworn hypercardioid dynamic microphone.
PRO 35xcW
Miniature cardioid condenser instrument microphone.
AT-GCW
Hi-Z instrument/guitar cable with
UniPak transmitter.
XLRW
Connecting cable for UniPak transmitter with an XLRF-type input connector,
for Lo-Z microphones with XLRM-type output terminations.
Other Accessories
AT8114
Foam windscreen for handheld transmitter.
AT8139L
Foam windscreen for the ATM75cW and PRO 8HEcW.
AT8141
Water-resistant pouch for UniPak transmitter. Pouch is not "waterproof" and
not submersible. Mic cable and antenna exit at bottom of pouch, protected by
a Velcro
®
closure. Always remove transmitter from pouch after use; let any
moisture evaporate completely.
AT8142
Replacement foam temple pads for the ATM75cW and PRO 8HEcW.
AT8143
Aerobics pack — four sets of AT8139L windscreens and AT8142 foam pads,
one set each in green, pink, purple and yellow, for use with the ATM75cW
and PRO8HEcW.
AT8390
Shielded audio cable with
(Also available with one straight and one 90° phone plug as the AT8316.)
AT8431
Stand clamp for handheld transmitter,
AT8633
Rack-mount kit for one or two receivers in a single (1U) 19" rack space.
™
transmitter)
1
/
" phone plug, terminated for use with
4
1
/
" to
1
/
" phone plugs. Available in a variety of lengths.
4
4
5
/
"-27 threads.
8
11
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