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)