Samson SZ1120 - Manual - manualsarea.com

Page 4 - Table of Contents

Copyright 2007 Printed December, 2007 v1.0 Samson Technologies Corp. 45 Gilpin Avenue Hauppauge, New York 11788-8816 Phone: 1-800-3-SAMSON (1-800-372-6766) Fax: 631-784-2201 www.samsontech.com Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 5 - Introduction; and full specifications.

1 Introduction Thank you for purchasing the SZ series constant voltage power amplifiers from Samson Technologies! The Samson SZ Series amplifiers have been designed to provide robust, clean output with low distortion and wide dynamic range, along with the dependability demanded by the most professio...

Page 6 - SZ Series Features; are some of their main features:

2 SZ Series Features POWER The Samson SZ Series power amplifiers have been developed using the latest technology in amplifier design. Here are some of their main features: • Each SZ Series amplifier delivers reliable, clean power operation at 70/100 volts and 4 Ohms, with their rated power output of...

Page 7 - SZ Series Layout - Front Panel; out the rear vents.

3 SZ Series Layout - Front Panel 1: Handle - For easy transport while carrying, or while rack mounting, the SZ amplifier features two heavy duty, die cast handles located conveniently on the left and right side of the front panel. 2: Fan Vent - The SZ series amplifers stay cool thanks to the forced-...

Page 8 - SZ Series Layout - Rear Panel; See page 13 in this manual for more; the amplifier or connected speakers, and may void your warranty.

4 SZ Series Layout - Rear Panel 1: AC INPUT - Connect the supplied heavy-gauge 3-pin “IEC” power cable here. 2: DC 24V INPUT – A two circuit Euroblock socket is provided for connecting 24 volt emergency back-up power. 3: CONSTANT VOLTAGE (output connector) - Use this Euroblock to connect the amplifi...

Page 9 - Designing an Installation Plan

5 Designing an Installation Plan If you are a professional installer, you’ll probably want to skip over this section, however if you are setting up your system for the first time, this section can help make your installation a little bit easier.Before you start plugging, stripping and connecting wir...

Page 10 - Locating Your Equipment Rack

6 Using Active Speakers In a larger installation, you may use a combination of passive speakers connected to your SZ Series amplifier along with some active, or self powered speakers in a different zone. When using active speakers, you can connect the S zone’s outputs using the balanced line level s...

Page 11 - Using A Constant Voltage Speaker System - continued

7 Designing an Installation Plan Using A Constant Voltage Speaker System - continued The same principle is applied in constant voltage audio systems where a transformer is connected to the amplifier’s output to step up the voltage while lowering the output current, which allows you to use long runs ...

Page 12 - Setting Up and Using Your SZ Series

8 4. If you are using outdoor horn speakers, switch on the High Pass Filter. 5. On the rear panel of the SZ Series, turn the input Adjust fully counterclockwise (to the “-12dB” setting). Then connect the supplied heavy-gauge 3-pin “IEC” cable to the rear panel IEC connector and to any grounded AC ou...

Page 13 - The SZ Series Protection Circuitry

9 The SZ Series Protection Circuitry As noted in the “Guided Tour” section of this manual, the SZ Series front-panel Protection LED indicates the activity of the relay speaker connection circuitry. When the Protection LED is lit, this circuitry is active, and all connected speakers are muted. The fo...

Page 14 - SZ Series Connections

10 The following diagrams illustrate various wiring set ups for 4 ohm, 8 ohm and 70 Volt operation. SZ Series Connections 8 Ohm Operation (One 8 Ohm speaker per amplifer) 8 Ohm 8 Ohm 4 Ohm 4 Ohm 4 Ohm Operation (Two 8 Ohm speakers per amplifer) 70 Volt Operation (Four speakers per amplifer with thei...

Page 15 - SZ Series System Set Up

11 SZ Series System Set Up The following is a typical constant voltage system setup for a small restaurant using four SZ1120 power amplifiers along with an S zone feeding several audio zones with paging and music. The first two SZ amps are connected to four wall-mounted speakers in each of the Dinin...

Page 16 - SZ Series Input Wiring Guide

12 SZ Series Input Wiring Guide Tip (signal) Sleeve (ground) 2 3 1 Male XLR Hot (2) Cold (3) Common (1) End View Solder Points 1 2 3 Tip (signal) Sleeve (ground) Cold (Pin 3) (no connection) Tip (signal) Sleeve (ground) 2 3 1 Male XLR Hot (2) Cold (3) Common (1) End View Solder Points 1 2 3 Tip (sig...

Page 17 - SZ Series Output Wiring Guide; SHOCK HAZARD SYMBOL

13 SZ Series Output Wiring Guide SZ Series Output Wiring Guide There are several ways to interface the SZ Series amplifers, depending on your exact system set-up. Follow the cable diagrams below for connecting to the output of your amplifier. 4 and 8 Ohm Wiring Guide 70 Volt Wiring Guide 100 Volt Wi...

Page 18 - Specifications

14 Specifications SpecificationsRated Output (at T.H.D 1.0%, 1kHz) SZ1120 120Watt SZ1240 240Watt SZ1360 360Watt Gain Control -12dB ~ 0dB Input Sensitivity (at Balanced line) 1.0 ± 0.1Vrms / 10Kohm High-pass Filter(at 400Hz) -3dB Frequency Response +1.5 / -3 dB at 70Hz~18kHz S/N Ratio Better than 90d...

Page 19 - Block Diagram