
Specifications
IR-802T Tuner/Mixer
Power Source
120VAC, 50/60Hz (via supplied AC adapter)
Power Consumption
8W (UL standard); Max 40.8W (rated output of IR-820SP)
Receiving Frequency (Channel A - Teacher)
3.100MHz
Receiving Frequency (Channel B - Student)
3.350MHz
Receiver Sensitivity
50dB or more (S/N ratio at 40dBV input, 1kHz modulation, 4.8kHz deviation)
S/N Ratio (Tuner)
60dB or more (60dBV input, 1kHz modulation, 4.8kHz deviation, A-weighted, Equalization: Centered)
S/N Ratio (AUX)
75dB or more (A-weighted, Equalization: Centered)
Tone Squelch Frequency
32.768kHz
Input - AUX PC
Line, -10dB, 10kOhm, unbalanced, stereo mini jack
Input - AUX DVD/TV
Line, -10dB, 10kOhm, unbalanced, 2P RCA jack
Input - AUX MP3
Line, -10dB, 10kOhm, unbalanced, stereo mini jack
Input - Mute
25V line signals from telephone paging
Output - ALD
Line, -10dB, 10kOhm, unbalanced, monaural mini jack
Speaker Output Terminal
RJ-45 (dedicated for IR-820SP)
Equalization - High
10dB at 10kHz
Equalization - Mid
10dB at 1.3kHz
Equalization - Low
10dB at 100Hz
Mute Function
Activated by 25V line signals
LED Indicators
Power (green) x1, Infrared reception (yellow) x2, Mute (red) x1
Operating Temperature
14F to 122F
Operating Humidity
90% RH or less (no condensation)
Finish - Panel
Aluminum, black
Finish - Case
Steel plate, black
Dimensions (W x H x D)
8.27" x 1.81" x 12.28"
Weight
3.97 lbs
IR-820SP Ceiling Speaker
Power Source
24VDC (supplied from IR-802T)
Power Consumption
4.4W (UL standard)
Rated Output
20W
Amplification System
Class D
Frequency Response
100Hz - 20kHz (-10dB)
Distortion
5% or less (rated output, A-weighted)
Speaker Component
4.72" (12cm) cone-type
Infrared Wavelength
870nm
Carrier Frequency (Channel A)
3.100MHz
Carrier Frequency (Channel B)
3.350MHz
Reception Angle
360 degrees (horizontal)
Connection Terminal
RJ-45
Usage Cable
CAT-5 UTP
LED Indicator
Power (green) x1
Mounting Hole
11.81" outside diameter
Operating Temperature
14F to 122F
Operating Humidity
90% RH or less (no condensation)
Finish - Enclosure
Steel plate, plating
Finish - Baffle
Fire-resistant ABS resin (UL-94-V-0), white
Finish - Punched Net
Steel plate, white
Finish - Filter Section
Polycarbonate, optical cut filter
Dimensions
12.6" O.D. x 8.07" (D)
Weight
7.5 lbs
IR-310M Pendant Microphone
Battery
IR-200BT-2 NiMH rechargeable battery pack
Current Consumption
250mA typical (1.2V)
Infrared Wavelength
870nm (AM: Brightness modulation)
Carrier Frequency (Channel A)
3.100MHz
Carrier Frequency (Channel B)
3.350MHz
Transmission Distance
50 ft (unobstructed)
Microphone Type
Unidirectional electret condenser
Frequency Response
100Hz - 12kHz
Preemphasis
300us
Input Sensitivity Adjustment
2 levels (High, Low)
External Mic Input
3.5mm mono mini jack
Battery Operation Time
Approx. 8 hours
Operating Temperature
32F to 104F
Operating Humidity
30% to 85% RH
Finish - Control Section
ABS resin, white
Finish - Filter Section
Polycarbonate, optical cut filter
Dimensions (W x H x D)
2.17" x 4.33" x 0.87"
Weight
0.22 lbs (with battery and strap)
Included Items
Tuner/Mixer
IR-802T (x1)
Ceiling Speaker
IR-820SP (x1)
Pendant Microphone
IR-310M (x1)
Battery Charger
IR-310BC US (x1)
Rechargeable Battery Pack
IR-200BT-2 NiMH (x1)
AC Adapter (DC cord length: 5.91 ft)
x1
AC Power Cord (6.56 ft)
x1
Volume Control Cover
x6
Removable Terminal Plug (2-pin)
x1
Neck Strap
x1
Safety Wire
x1
Ceiling Reinforcement Ring
x1
Paper Pattern
x1
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