Extron SF 3CT LP handleiding

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Introduction

This section gives an overview of the Extron SF 3C LP and SF 3CT LP Full Range 3-inch

SoundField Ceiling Speakers with 4-inch Low-Profile Back Can. It also provides a list of

system features and an application diagram. Topics include:

• About this Guide

• Overview

• Features

• Application Diagram

About this Guide

This guide describes the SF 3C LP and SF 3CT LP speakers and provides instructions for

installing all components of the system in different types of ceilings.

NOTE: Observe all applicable building codes and local ordinances when installing the

speaker.

Overview

The SF 3C LP and SF 3CT LP meet stringent UL 2043 requirements for smoke and heat

release in plenum air spaces. The 3-inch (76 mm) full-range driver features a frequency

range of 65 Hz to 20 kHz and a conical dispersion of 165 degrees. The SF 3C LP and

SF 3CT LP feature a thin-edged bezel and a magnetically attached grille.

The SF 3C LP supports 8 ohm operation. The SF 3CT LP supports 70 V, 100 V, and 8 ohm

direct operation. The SF 3CT LP has a 6-position rotary switch for selecting the various

power taps for 70V, 100V, or 8 ohms. The two models are physically similar, with slight

variations in weight and front baffle appearance.

The Extron SoundField SF 3C LP and SF 3CT LP are full-range ceiling speakers with 4-inch

(102 mm) low profile composite back cans for use in plenum rated ceiling environments with

limited vertical clearance above the ceiling.

Features

• 3-inch (76 mm) full-range driver with a tuned port

• 4-inch (102 mm) deep low profile composite back can for plenum environments

• Frequency range — 65 Hz to 20 kHz

• 165° conical dispersion

• 16 watts continuous pink noise, 32 watts continuous program

• SF 3C LP — 8 ohm direct

SF 3C LP and SF 3CT LP User Guide • Introduction 1

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