ATW-R900a receiver and ATW-T901a body-pack transmitter with AT-GcW guitar/instrument input cable.
Operating Frequencies
VHF highband, 169 MHz to 172 MHz
Modulation Mode
FM
Maximum Deviation
+/-10 kHz
Frequency Response
80 Hz to 13 kHz
Operating Range
200′ (60 m) typical
Open range environment with no interfering signals
Total Harmonic Distortion
<1% (at 1 kHz, +/-10 kHz deviation)
Operating Temperature Range
40° F (4° C) to 110° F (43° C)
Battery performance may be reduced at very low temperatures
Notes
First-generation System 9 (original) components: ATW-R900 receiver ATW-T901 body-pack transmitter ATW-T902 unidirectional dynamic microphone transmitter Click here for the original System 9 Owner’s Manual.
Handheld Transmitter
RF Power Output
10 mW
Spurious Emissions
Following federal and national regulations
Battery Type
Two 1.5V AA not included
Battery Life
8 hours (alkaline) Depending on battery type and use pattern
Dimensions
9.91″ (251.8 mm) long, 2.11″ (53.5 mm) diameter
Net Weight
9.2 oz (260 grams) without batteries
Accessories Included
AT8456a Quiet-Flex™ stand clamp
Body Pack
RF Power Output
10 mW
Battery Life
8 hours (alkaline) Depending on battery type and use pattern
Battery Type
Two 1.5V AA not included
Dimensions
2.76″ (70.2 mm) W x 4.08″ (103.7 mm) H x 0.98″ (24.9 mm) D
Input Connections
Four-pin Locking Connector Pin 1: GND Pin 2: INST INPUT Pin 3: MIC INPUT Pin 4: DC BIAS +9V
Net Weight
2.8 oz (80.0 grams) without batteries
Spurious Emissions
Following federal and national regulations
Receiver
Receiving System
Non-diversity, single-channel, dual antenna system
Image Rejection
50 dB minimum
RF Sensitivity
20 dBuV at 60 dB S/N ratio (50 ohms termination)
Power Supply
100-240V AC (50/60 Hz) to 12V DC .5A (center positive) switched mode external power supply
Operating Temperature Range
40° F (4° C) to 110° F (43° C)
Dimensions
7.48″ (190.0 mm) W x 1.82″ (46.2 mm) H x 5.06″ (128.5 mm) D
Weight
12.0 oz (337 grams)
Accessories Included
Power supply
Audio Output
Nominal Output Level XLR, balanced: 350 mV (1 kHz modulation, 10 kHz deviation, 100k ohm load) 1/4″ (6.3 mm), unbalanced: 700 mV (1 kHz modulation, 10 kHz deviation, 100k ohm load)
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