7
Optional System Accessories
WIRELESS MICROPHONES
DR-8HW
Headworn hypercardioid dynamic microphone terminated
for use with the UniPak
™
transmitter.
DR-LW
Miniature cardioid condenser lavalier/clip-on microphone
terminated for use with UniPak
™
transmitter.
DR-GCW
Guitar output cable with
1
/
4
" phone plug to locking connector
for use between guitar and UniPak
™
transmitter. 38" long.
OTHER ACCESSORIES
AT8114
Foam windscreen for handheld transmitter.
AT8390
Premium instrument cable with
1
/
4
" to
1
/
4
" phone plugs.
Available in a variety of lengths.
AT8456a
Quiet-Flex
™
microphone stand clamp for handheld
transmitter,
5
/
8
"-27 threads.
AT8634
Rack-mount adapter kit mounts one ATW-R250 in a single
19" rack space.
ATW-VP10
Vinyl UniPak
™
pouch with belt clip to hold UniPak
™
transmitter.
Specifications
†
OVERALL SYSTEM
Operating Frequency
VHF high band, 169 MHz to 172 MHz
Frequency Stability
±0.005%
Modulation Mode
FM
Maximum Deviation
±15 kHz
Operating Range
200' typical
Operating Temperature Range
40° F (4° C) to 110° F (43° C)
Frequency Response
80 Hz to 13 kHz
RECEIVER
Receiving System
Non-diversity, single-channel,
dual antenna system
Image Rejection
50 dB minimum
Signal-to-noise Ratio
80 dB at 10 kHz deviation (IEC-weighted),
maximum modulation 15 kHz
Total Harmonic Distortion
≤1% (10 kHz deviation at 1 kHz)
Sensitivity
20 dBµV for 60 dB S/N (IEC-weighted)
Audio Output
350 mV (1 kHz modulation, 10 kHz
deviation, 100k ohm load)
Output Connector
1
/
4
" TS (“mono”) phone jack
Power Supply
100-240V AC (50/60 Hz) to 12V DC 1A
(center positive) switched mode external
power supply
Dimensions
7.48" (190.0 mm) W x 1.65" (42.0 mm) H x
5.12" (130.0 mm) D
Net Weight
11.0 oz (311 grams)
Accessory Included
Power supply
UNIPAK
™
TRANSMITTER
RF Power Output
High: 10 mW; Low: 2 mW, typical
Spurious Emissions
Under Federal Regulations
Dynamic Range
≥90 dB, A-weighted
Input Connections
High impedance, low impedance, bias
Battery (not included)
9V (NEDA type 1604) alkaline
Current Consumption
30 mA typical
Battery Life
Approximately 15 hours (High);
20 hours (Low), depending on battery type
and use pattern
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)
2.8 oz (78 grams)
HANDHELD TRANSMITTER
RF Power Output
High: 10 mW; Low: 2 mW, typical
Spurious Emissions
Under Federal Regulations
Dynamic Range
≥90 dB, A-weighted
Microphone Element
Dynamic unidirectional
Battery (not included)
9V (NEDA type 1604) alkaline
Current Consumption
30 mA typical
Battery Life
Approximately 15 hours (High);
20 hours (Low), depending on battery type
and use pattern
Dimensions
9.50" (241.3 mm) long, 2.10" (53.3 mm)
maximum diameter
Net Weight (without battery)
12.7 oz (360 grams)
Accessory Included
AT8456a Quiet-Flex
™
stand clamp
†
In the interest of standards development, A.T.U.S. offers full details on its test methods to
other industry professionals on request.
