Phones Output:
1/4” TRS headphone jack. Accepts stereo, mono, and any impedance phones.
Infrared Test LED:
IR LED for receiver testing, monitoring, and audio signal testing
Power Input:
3-Pin Molex, 24 VAC, 50-60 Hz, 15 VA
Audio Input Jack:
CHA and CHB combination XLR/TRS jack
Mic Level:
Balanced, Lo-Z, 100 µV min. to 90 mV max., 1mV nominal, 3 kΩ input impedance, supplies switchable simplex power
per DIN 45596 for condenser mics
Line Level:
Balanced or unbalanced, 21 mV min. to 10V max., 212 mV nominal, 100 kΩ
Audio Line Output Jacks:
RCA Jack, CHA and CHB, 500 mV, unbalanced, 100 Ω source impedance, load impedance must be greater than 1 kΩ
Configuration Switches:
CHA and CHB 8-position DIP switch, selects Mic/Line input, compressor gain, simplex power, discrete or mixed inputs,
carrier frequency, channel disable, auto shut-off timer
Baseband Input Jack:
BNC, allows mixing with additional MOD 232 Modulator (4CH operation), 100 mV, 50 Ω input impedance, use with MOD
232, BNC, RG-58 Cable
Baseband Output Jack:
Two BNC jacks carry baseband signal, 100 mV/channel, 50Ω source impedance, for use with WIR TX9 or MOD 232
only
Approvals:
CE, FCC, RoHS, WEEE
Operating Requirements:
0-50º C ambient temperature, non-condensing, non-corrosive atmosphere
Warranty:
5 years on modulator, 90 days on accessories
Fig. 2: MOD 232 Rear Panel
Configuration
Switches
Input CH A
Input CH B
Audio Line
Output
CH A
CH A
CH B
CH B
50 Ohms
100 Ohms
Made in USA
24V
24 VAC, 15 VA, 50-60 Hz
Power In
Baseband
Input
Output
Output
MOD 232 Infrared System Modulator
Plug
Williams Sound
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Dimensions, Weight:
11.25” W x 6.25” H x 2.125” D (28.6 cm x 15.9 cm x 5.4 cm), 1.9 lbs (0.9 kg)
Color:
Black with white legends, red acrylic lens (Enclosure available in white with clear or frosted lens)
Power Supply:
Wall Transformer, 24 VAC, 50-60 Hz, 35 VA, 3-pin MOLEX Connector
North America: TFP 010, UL/CSA
Europe: TFP 027-01, 2-pin Schuko plug, CE
UK: TFP 027-02, 3-pin UK plug, CE
Note: Each WIR TX9 requires its own power supply
Power Cable:
NEC Class 2 wiring, two-conductor, 18 ga., 200’ (61m) max. length
Indicators:
Green LED power indicator, red LED baseband indicator
Carrier Frequency:
50 kHz to 8 MHz
Emitter IR Power:
3.5 watts
Coverage Area:
Up to 28,000 ft2 (2,600 m2) in single-channel mode when using the RX22-4 Receiver
Up to 11,000 ft2 (1,021 m2) in four-channel mode when using the RX22-4 Receiver
Up to 10,000 ft2 (929 m2) in single-channel mode when using the RX18 Receiver (See coverage area diagrams)
Baseband Input:
BNC, 100 mV per carrier, 50Ω, for use with WIR TX9 or MOD 232 only
Baseband Output:
BNC, 50 Ω, for use with TX9 only
Baseband Cable:
RG 58 Coax, BNC connectors, maximum 1000’ (300m) length
Operating Requirements:
0-50º C ambient temperature, non-condensing, non-corrosive atmosphere
Mounting Kits:
Wall or Ceiling Mount: BKT 024 Omnidirectional mount, Mic Stand Kit: SS-11 or SS-6
Warranty:
5 years on emitter, 90 days on accessories
Approvals:
CE, FCC, RoHS, WEEE
Compatible Receivers:
WIR RX22-4 Four-Channel Receiver
WIR RX18 Two-Channel Receiver
WIR RX15-2 Two-Channel Receiver
WIR TX9 Emitter:
SoundPlus
®
Infrared System
