Williams Sound Tablet Accessory CHG3512 User Manual

Dimensions, Weight: 11.25” W x 6.25” H x 2.125” D (28.6 cm x 15.9 cm x 5.4 cm), 1.8 lbs (0.8 kg)

Color: Black with white legends, black acrylic lens (available in white)

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

Power Cable: NEC Class 2 wiring, two-conductor, 18 ga., 200’ (61m) max. length

Modulation: FM Wideband, +50kHz deviation max., 50uS pre-emphasis

Carrier Frequency: Channel A: Selectable, 2.3/2.8 MHz, 

Channel B: Selectable, 3.3/3.8 MHz

Emitter IR Power: 3.5 watts

Coverage Area: 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
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

Signal-to-Noise Ratio: >75 dB, +3dB

Frequency Response: 80 to 15,000 Hz, electrical response

Total Harmonic Distortion: Less than .2%, electrical response at 1kHz

Compression: Music preset  1:1, Voice preset  1.5:1, Hearing Assist preset 2:1

Auto Carrier Shut-Off: 20 minute timer shuts off carrier when no audio is present

Power Indicator: Red LED

Audio Volume Level Controls: CHA and CHB Input Level, press to select, 28 dB adjustable range

Audio Indicators: CHA and CHB Audio Level, yellow LED, flash

Carrier LEDs: 2 green LED carrier “on” indicators 

Phones Output: 3.5mm TRS headphone jack. CH A tip, CH B ring on jack, 32 ohm headphone (min)

Application Preset: Music, Voice, Hearing Assist.  Frequency response;  Music: Flat;  Voice: Mid-range boost;  Hearing Assist: High frequency 

boost

Tone Control: Press to select, 21 dB adjustable range (1 kHz between low boost/hi-cut and low cut/hi boost).

Power Input: 3-Pin Molex, 24 VAC, 50-60 Hz, 35 VA

Audio Input Connector: CHA and CHB, 3 wire Phoenix

Input Level: Balanced or unbalanced, 316 mVRMS (-10dBV) nominal, 5.7k input impedance; max input (over volume range) -21 to +7 

dBV.

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 (+32°F to 122°F) ambient temperature, non-condensing, non-corrosive atmosphere

Mounting Kits: Wall or Ceiling Mount: BKT 024 Omnidirectional mount;  Optional:  Mic Stand Kit: SS-10; or Tripod Stands: SS-11 or SS-6 

Warranty: 5 years on transmitter, 90 days on accessories

Approvals: CE, FCC, RoHS, WEEE

Compatible Receivers: WIR RX22-4 Four-Channel Receiver, WIR RX15-2 Two-Channel Receiver, WIR RX18 Two-Channel Receiver

Notes: Specifications:  Single end input, volume & tone controls at mid point, 1 kHz, “Music” Preset

NOTE:  Specifications subject to change without notice. 

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MAN 119H