7
OVERALL SYSTEM
UHF Operating Frequency 542.125 MHz to 561.250 MHz
Number of Channels 8
Frequency Stability ±0.005%, Phase Lock Loop Frequency
control
Modulation Mode FM
Maximum Deviation ±25 kHz
Operating Range 200' typical
Operating Temperature Range 40º F (4ºC) to 110º F (43º C)
Frequency Response 100 Hz to 12 kHz
RECEIVER
Receiving System Antenna Switching Diversity
Image Rejection 55 dB minimum
Signal-to-noise Ratio >80 dB at 10 kHz deviation (IEC
weighted), maximum deviation 25 kHz
Total Harmonic Distortion ≤1% (10 kHz deviation @ 1 kHz)
Sensitivity 25 dBµV (S/N 60 dB at 10 kHz deviation,
IEC-weighted)
Audio Output
Unbalanced 211 mV (-13.5 dBV) (1 kHz modulation,
10 kHz deviation)
Balanced 150 mV (-16.5 dBV) (1 kHz modulation,
10 kHz deviation)
Output Connectors
Unbalanced
1
/
4
" TS (“mono”) phone jack
Balanced XLRM-type
Power Supply 100-240 VAC (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 12.9 oz (365 g)
Accessory Included Power supply
Specifications
†
UNIPAK
™
TRANSMITTER
RF Power Output High: 10 mW; Low: 5 mW
Spurious Emissions Under Federal Regulations
Dynamic Range >100 dB, A-weighted
Input Connections High impedance, Low impedance, Bias
Batteries (not included) Two 1.5V AA Alkaline
Current Consumption High: 140 mA; Low: 130 mA, typical
Battery Life Approximately 8 hours (High); 10 hours
(Low), depending on battery type and use
pattern
Dimensions 2.56" (65.0 mm) W x 4.13" (105.0 mm) H
x 0.73” (18.5 mm) D
Net Weight (without batteries) 2.8 oz (80 g)
HANDHELD TRANSMITTER
RF Power Output 10 mW
Spurious Emissions Under Federal Regulations
Dynamic Range >100 dB, A-weighted
Microphone Element Dynamic Unidirectional
Batteries (not included) Two 1.5V AA Alkaline
Current Consumption 120 mA, typical
Battery Life Approximately 12 hours depending on
battery type and use pattern
Dimensions 9.65" (245.0 mm) long, 2.11" (53.5 mm)
diameter
Weight (without batteries) 9.1 oz (257 g)
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.
Specifications are subject to change without notice.
Optional System Accessories
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 UniPack 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.
AT8431 Stand clamp for handheld transmitter,
5
/
8
"-27 treads.
AT8456a Quiet-Flex
™
microphone stand clamp for handheld
transmitter,
5
/
8
"-27 threads.
ATW-VP10 Vinyl pouch with belt clip to hold UniPak transmitter.
DR-2000 Series Frequency Channel Plan
Channel Frequency - MHz TV Channel
1 542.125 26
2 545.750
3 551.500 27
4 552.000
5 557.875 28
6 559.375
7 560.500 29
8 561.250
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.
DR-2000 Series UHF Operating Frequencies
(8 pages)
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