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| 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 transmitterClick 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) |
Audio-Technica Corporation is a Japanese company that designs and manufactures professional microphones, headphones, turntables, phonographic magnetic cartridges, and other audio equipment. Audio-Technica was established in 1962 in Shinjuku, Tokyo, Japan, by Hideo Matsushita as a phonograph cartridge manufacturer. Its first products were the AT-1 and the AT-3 MM stereo phono cartridges. Business rapidly developed and Audio-Technica expanded into other fields. The headquarters and factory moved in 1965 to the current address in Naruse, Machida, Tokyo. In 1969, the company began exporting phono cartridges worldwide and launched the first microcassette recorders.
