Toa IR-300M User Manual
Page 16
URL: http://www.toa.jp/
16.2. IR-300M
Note: The design and specifications are subject to change without notice for improvement.
• Accessories
Screwdriver (for setting) ............................. 1
Color label (6 colors) .................................. 1
• Optional products
Battery Charger :
IR-200BC
Rechargeable battery: IR-200BT-2 (containing 2 pieces)
Battery
IR-200BT rechargeable battery for the infrared wireless microphone (2 pieces)
or AA alkaline dry cell battery (2 pieces).
Current Consumption
Typ. 250 mA (2.4 V, Power selector switch: N)
Typ. 340 mA (2.4 V, Power selector switch: H)
Wavelength
870 nm (AM: Brightness modulation)
Modulation Method
Frequency modulation
Carrier Frequency
Channel A: 3.100 MHz
Channel B: 3.350 MHz
Transmission
Approx. 20 m or 65 ft (Power selector switch: H; In an unobstructed space.)
Distance
Approx. 15 m or 50 ft (Power selector switch: N; In an unobstructed space.)
Tone Signal
32.768 kHz
Modulation Sensitivity
±4.8 kHz (1 kHz, when SPL of 84 dB is input)
Maximum Input Sound
120 dB SPL
Pressure
Input Sensitivity
Adjustment range: –9 dB to 0 dB (factory-preset: 0 dB)
Adjustment
Microphone Unit
Unidirectional electret condenser microphone
Frequency Response
100 Hz – 12 kHz
Preemphasis
300 μs
Input
External microphone input (3.5 mm or 1/8" monaural mini jack)
Battery Operation Time
Approx. 8 hours (when the IR-200BT rechargeable battery for the infrared
wireless microphone is used; Power selector switch: N)
Approx. 6 hours (when the alkaline battery is used; Power selector switch: N)
Operating Temperature
0 to 40 °C (32 to 140 °F)
Operating Humidity
30 to 85% RH
Finish
Control Section: ABS resin, metallic gray, 50% gloss, paint
Filter Section:
Polycarbonate, optical cut filter
Dimensions
64 (w) x 91.3 (h) x 27.3 (d) mm (2.52" x 3.59" x 1.07")
Weight
130 g or 0.29 lb (with alkaline batteries & strap)
140 g or 0.31 lb (with dedicated rechargeable batteries & strap)
Infrared Emitter
Traceability Information for Europe (EMC directive 2004/108/EC)
Manufacturer:
TOA Corporation
7-2-1, Minatojima Nakamachi, Chuo-ku, Kobe, Hyogo,
Japan
Authorized representative:
TOA Electronics Europe GmbH
Suederstrasse 282, 20537 Hamburg,
Germany