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SX15-45 - Talkback Horn

The SX15-45 is a Talkback Horn for use with

"handsfree" talkback control units. This horn

functions as a microphone when in the listening mode

and as a loudspeaker when in the paging mode.

Features:

45 Ohm input impedance

Universal mounting base (Fits any electrical box)

Easy connection using twisted cabling

"C" clamp included

Mounting / Connections:

Connect station or other suitable wire to proper

speaker terminals per Figure 1.

SX15-45M - Talkback Horn (Marine Version)

The SX15-45M is a Talkback Horn for use with

"handsfree" talkback control units in a nautical

atmosphere. This horn functions as a microphone

when in the listening mode and as a loudspeaker

when in the paging mode.

Features:

Stainless steel hardware

Sealed housing

White finish with UV inhibitors

45 Ohm input impedance

Universal mounting base (Fits any electrical box)

Easy connection using twisted cabling

"C" Clamp included

Mounting / Connections:

Connect station or other suitable wire to proper

speaker terminals per Figure 1.

SX15-45 and SX15-45M - Attaching Speaker to

Base

NOTE: For ease of installation, the base can be

attached to the speaker before or after the base is

mounted.

Loosen position adjustment knob.

Insert the ball of the base into the socket of the

speaker.

Tighten the position adjustment knob.

SX15-45 and SX15-45M - Mounting / Positioning:

Mount the horn to a suitable surface using the

hardware provided. These units can be mounted to a

wall, a beam or an electrical box.

Mount the base to a wall using the holes

provided. Knockout holes are provided for

punch out should additional holes be required.

A "C" clamp is provided with the horns to allow

mounting to a beam. Place the bolt through the

hole in the bottom of the base to secure the "C"

clamp to the beam (See Figure 3).

Connection to an electrical backbox is

accomplished by channeling wire through the

ball of the base (See Figure 4) and making

appropriate connections. The base has holes

punched for a double-gang square box, but by

punching out additional knockout holes, the base

can be mounted to a single-gang or octagon box.

The horns may be rotated or moved up and down to

obtain the desired position by loosening the knob at

the bottom of the unit approximately 1 turn. Make

required adjustments and re-tighten knob.