Williams Sound SoundPlus Infrared Transmitter WIR TX90 Manual Do Utilizador



The Williams Sound Corp. WIR TX90 transmitter shall consist of an all-in-one modulator and emitter operating on
switchable carrier frequencies of 2.3/2.8 MHz or 3.3/3.8 MHz.  The carrier frequency shall use 50 kHz deviation and
50µs pre-emphasis.

The transmitter shall have a range of 28,000 ft

2

(2,600 m

2

) in single channel mode when using the RX22-4 receiver.

The transmitter shall be contained in a metal housing with a durable plastic lens.  The transmitter shall be convec-
tion cooled without fans.  The transmitter shall include an omni-directional mounting bracket for permanent instal-
lations.  Additional brackets shall be available for different mounting options.

The transmitter shall provide two channels of selectable carrier frequencies: CH A 2.3/2.8 MHz or CH B 3.3/3.8 MHz.
Two transmitters used in tandem shall provide up 4 simultaneous channels.

The transmitter shall have two Phoenix connectors on the back for balanced or unbalanced line input.  All controls
and indicators shall be accessible on the bottom of the panel of the transmitter.

The transmitter shall have three application presets: Music, Hearing Assistance and Voice accessible by thumbscrew
adjuster.

There shall be a 3.5mm stereo headphone jack for monitoring the processed audio before being transmitted.

Two BNC (50Ω) baseband output jacks shall be provided on the back panel for more coverage needs.  The TX9 emit-
ter panels must be used with the TX90 transmitter via RG58 coax cable.

The transmitter shall be powered by an external 24VAC, 50-60 Hz, 35VA power supply.  The power connector shall
be a three pin Molex type.  Additional emitters shall require individual external power supplies.

The transmitter shall be covered by a five-year warranty on parts and labor.  The transmitter shall be the Williams
Sound  Corp. model WIR TX90

©2008, Williams Sound Corp.  MCAT 042C

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