ATW-901A/L

System 9 Wireless Lavalier Microphone System

ATW-R900a receiver and ATW-T901a body-pack transmitter with omnidirectional lavalier microphone.

Specifications

Overall System

• 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)