Base 1

2" (50.8 mm) round base with four 0.188" (4.8mm) holes on 1.6" (40.6mm) bolt circle for solid surface mounting

Base 2

T-Bar Clip for drop ceiling rails

Base Cover

Black Vinyl, covers either base

Shafts

Two 0.5" (12.7mm) diameter, 2" (50.8mm long aluminum, black.  1/4-20 stud with lock ring.

Head

190° Tilt, 360° Turn & 360° Rotation

Finished Lengths

2", 4" or 6"

Maximum Weight

3 lbs (1.36 kg)

Shipping Weight

0.3 lbs (166.5g)

Style

Around-ear speaker

Plug

3.5mm mono

Cord

39"

Driver Size

23 mm

Nominal Impedance

32Ω

Freq. Response

20 - 20kHz

Weight

15g

Max Power Input

30 mW

Sensitivity

118 dB @ 1kHz

Size, Weight:

8.5" W x 8.2" D x 1.7" H (21.5 cm x 20.8 cm x 4.4 cm), 3.1 lbs (1.5 kg)

Color:

Black epoxy paint with white legends

Rack Mount:

1/2 rack space wide, 1 rack space high, one or two modulators may be mounted in a single IEC rack space with RPK 005 (single) or RPK 006 (double) Rack Mount Kits

Power Supply:

Wall Transformer, 24 VAC, 50-60 Hz, 15VA

North America: TFP 016, UL/CSA

Europe: TFP 027-01, 2-pin Schuko plug, CE

UK: TFP 027-02, 3-pin UK plug, CE

Modulation:

FM Wideband, +50 kHz deviation, 50 uS pre-emphasis

Carrier Frequency:

Channel A: Selectable, 2.3/2.8/3.3/3.8 MHz,

Channel B: Selectable, 2.3/2.8/3.3/3.8 MHz

Signal-to-Noise Ratio:

More than 60dB

Frequency Response:

30 to 16,000 Hz, +1 dB, -3 dB, electrical response

Total Harmonic Distortion:

Less than 2%, electrical response

Audio Processing:

Compression (slope) adjustable from 1:1 or 2:1

Switchable compression gain: Moderate: 16dB. Max: 33dB

Auto Carrier Shut-Off:

15-minute timer shuts off carrier when no audio is present (can be disabled)

Power Switch:

Two-position push button, ON/OFF

Power Indicator:

Green LED

Audio Level Controls:

CHA and CHB Input Level, rotary knobs

Audio Indicators:

CHA and CHB Audio Level, 10-segment LED’s

Carrier LEDs:

4 green LED carrier “on" indicators per channel (indicates frequency, malfunctions)

Compress Control:

1:1 or 2:1

Input Mix LED:

Indicates inputs A and B audio are mixed and transmitted by CHA and CHB off

Stereo LED:

Indicates stereo mode

Phones Switch:

Selects CH1 or CH2 for phones when not in stereo mode

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., 1 mV nominal, 3kΩ 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 than1 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 or MOD 112 (111), BNC, RG-58 Cable

Baseband Output Jack:

Two BNC jacks carry baseband signal, 100 mV/channel, 50 Ω 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*

Weight:

2.0 oz (56 g) with battery

Material and Color:

ABS plastic, Black and Grey

Battery Type, Life:

BAT AP11A NiMH Battery Pack, 7 hours

Operating Range:

Up to 3,063 sq ft (285 sq m) when used with the TX9 emitter or TX90 transmitter in single-channel mode

Up to 1,000 sq ft (93 sq m) when used with the TX75 in single-channel mode

Modulation Frequency:

2.3 MHz or 2.8 MHz or stereo

Frequency Response:

200 Hz to 8 kHz, ± 5 dB

Signal to Noise Ratio:

60 dB at 10 m

Controls:

Volume control thumbwheel

3-position selection switch (2.3 MHz, 2.8 MHz, stereo)

Acoustic Output:

120 dB MAX SSPL90 with 2 cc coupler

Compatibility:

Compatible with 2.3 MHz and 2.8 MHz IR transmitters, WIR TX900 and WIR TX925 systems

Battery Charger:

CHG 518

Power Switch:

Built into receiver “arms"

Ear pads:

Uses EAR 240 silicon eartips

Approvals:

CE, RoHS

Warranty:

5 years (90 days on battery)

Receiver Style:

Body-Pack, dual-lens detector, lanyard

Size:

4.1" L x 2.85" W x 1.2" H (104.1 mm x 72.4 mm x 30.4 mm)

Weight:

4.5 oz (127 g) with batteries

Color and Material:

Black

Lanyard:

3 ft (0.91 m), allows receiver to be worn around the neck

Operating Temperature:

-10° C to +50° C

Battery Type:

2 x AA, alkaline (BAT 001-2) or NiMH (BAT 026-2)

Battery Life:

Alkaline: 60 hours, NiMH: 30 hours/charge

Battery Drain:

25 mA, nominal

Charging Contacts:

For use only with CHG 3512

Carrier Frequency:

Channel 1: 2.3 MHz, Channel 2: 2.8 MHz

Channel 3: 3.3 MHz, Channel 4: 3.8 MHz

De-Emphasis:

50 uS

FM Deviation:

±50 kHz

Signal-to-Noise Ratio:

60 dB min.

Squelch:

Receiver squelches (mutes) at 40 dB S/N ratio

Frequency Response:

25 Hz to 16 KHz, +1 dB, -3 dB, electrical response

Total Harmonic Distortion:

Less than 1%, electrical response

Controls:

ON/OFF/VOLUME: combination thumbwheel knob

Channel Selector: four-position rotary switch

Indicators:

Red LED “ON" indicator, flashes to indicate Low battery

Audio Output Jacks:

3.5 mm stereo mini phone jack Accepts 3.5 mm mono or stereo phone plug

Audio Output Power:

15 mW max at 32 Ω

Acoustic Output:

125 dB SSPL90 with HED 021; 110 dB SSPL90 w/ EAR 013

Sensitivity:

Better than 1 nW/cm2 for 40 dB signal-to-noise ratio

Approvals:

CE, FCC, RoHS, WEEE

Warranty:

5 years on receiver, 90 days on accessories

Compatible Headphones/Earphones:

Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug, HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001

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 (Available in white)

Power Supply:

Wall Transformer, 24 VAC, 50-60Hz, 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 for each TX9:

28,000 sq. ft. (2600 sq. m) in single channel mode when using the RX22-4 Receiver

18,000 sq. ft (1700 sq. m) in two channel mode when using the RX22-4 Receiver

11,000 sq. ft (1000 sq. m) in four channel mode when using the RX22-4 Receiver (22,000 ft2 with two TX9’s)

3,500 sq. ft (325 sq. m) in single channel mode when using the RX15-2 Receiver

3,063 sq. ft (285 sq. m) in single channel mode when using the RX18 Receiver (See coverage area diagrams)

Baseband Input:

BNC, 100 mV per carrier, 50 Ω, for use with WIR TX9, WIR TX90 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, RX18 Two-Channel Receiver and RX15-2 Two-Channel Receiver