Williams Sound WIR RX6 Guía de instalación descargar pdf (Pagina 16)

Williams Sound

Helping People Hear

MOD 112 REAR PANEL

AUDIO

INPUTS 1 & 2

The MOD 112’s inputs accepts any low impedance microphone or line level signal. The

input circuit is constructed with a “studio grade” differential amplifier, providing better

performance than that available using a transformer. It is also fully protected from RFI/EMI.

MICROPHONE

Any dynamic, ribbon, or condenser microphone equipped with a balanced output and a

3 pin XLR connector can be used. Power is supplied for condenser microphones

according to DIN 45596. It need not be turned off for dynamic or ribbon mics.

Microphones with two conductor 1/4 inch plugs are not usable.

The minimum acceptable level is approximately 100 µV, and the maximum level before

clipping is approximately 90 mV.

LINE

Both balanced and unbalanced line level signals can be accommodated. The minimum

acceptable level is approximately 100 mV, and the maximum level before clipping is

approximately 10 V.

25 V, 70 V, and 100 V speaker distribution lines can be connected to the Line input using

attenuators made with resistors or with speaker-matching transformers. Resistor

attenuators yield better results. The minimum acceptable level is approximately 100 mV,

and the maximum level before clipping is approximately 10 V.

ACCESSORY INPUT

Outputs are available directly from several points in the internal circuitry of the modulator.

(See Figures 10 and 11.)

Model WIR MOD112 Two-Channel Infrared System Modulator

Accessory

Power: 24 VAC,

50-60 Hz, 10VA

Williams Sound Corp., Minneapolis, MN USA

Balanced

Mic (XLR)

Bal or Unbal

Line (1/4")

Ch 1 Audio Input Ch 2 Audio Input

Baseband

Output

Baseband

Input

50 Ohms 50 Ohms

Input 1 & Input 2

These inputs to the modulator

accept any low impedance

microphone or line level signal.

Baseband Output

Carrier tones of 95 kHz and 250 kHz are provided at

this BNC connector. One 50 Ω device may be

connected here using RG-58 cable. Additional

devices may also be connected in series.

Accessory Connector

Outputs are available directly

from several points in the internal

circuitry of the modulator.

Baseband Input

An additional modulator may be

connected here to allow combining

carriers for more channels. The input

impedance is 50 Ω.

Power In

21 VAC to 26 VAC only, 50 or 60 Hz.

120 VAC (US): TFP 010

230 VAC (CE): TFP 027

Current consumption is approx. 130 mA.

FIGURE 10: MOD 112 MODULATOR REAR PANEL

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24

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Williams Sound WIR RX6 Guía de instalación Pagina 16

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