Instruction/ maintenance manual of the product SZ1240 Samson
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POWER POWER POWER SZ1120 SZ1240 SZ1360 POWER AMPLIFERS SZ SERIES.
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Safety Instructions/Consignes de sécurité/Sicherheitsv orkehrungen/Instrucciones de seguridad ACHTUNG: Um die Gefahr eines Brandes oder Stromschlags zu verringern, sollten Sie dieses Gerät weder Regen noch F euchtigkeit aussetzen.Um die Gefahr eines Stromschlags zu verringern, sollten Sie weder Deckel noch Rückwand des Geräts ent- fernen.
Copyright 2007 Printed December , 2007 v1.0 Samson T echnologies Corp . 45 Gilpin Av enue Hauppauge, New Y ork 11788-8816 Phone: 1-800-3-SAMSON (1-800-372-6766) F ax: 631-784-2201 www.samsont ech.com T able of Con tents I n t r o d u c t i o n .......
1 Introduction Thank you f or purchasing the SZ series constant v oltage power amplifiers from Samson T echnologies! The Samson SZ Series amplifiers have been designed to pr ovide robust, clean output with lo w distor tion and wide dynamic range, along with the dependability demanded by the most pr ofessional design engineers and audio installers.
2 SZ Series F eatur es 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 amplifi.
3 SZ Series Lay out - F ront P anel 1: Handle - F or easy transport while car r ying, or while rack mounting , the SZ amplifier featur es two heavy duty , die cast handles located con veniently on the left and right side of the front panel . 2: F an V ent - The SZ series amplifers sta y cool thanks to the for ced-air cooling vents .
4 SZ Series Lay out - Rear P anel 1: A C INPUT - Connect the supplied heavy- gauge 3-pin “IEC ” power cable her e. 2: DC 24V INPUT – A two circuit Eur oblock socket is provided f or connecting 24 volt emergency back-up power .
5 Designing an Installation Plan If you are a prof essional installer , you ’ll probably want to skip over this section, however if y ou are setting up your system f or the first time, this section can help make your installation a little bit easier .
6 Using A c tive Speak ers In a larger installation, you may use a c ombination of passive speakers connected to y our SZ Series amplifier along with some active, or self pow ered speakers in a differ ent zone. When using active speakers, you can connect the S zone ’ s outputs using the balanced line level signals .
7 Designing an Installation Plan Using A C onstant V oltage Speaker System - c ontinued The same principle is applied in constant v oltage audio systems where a transf ormer is connected to the amplif.
8 4. If you are using outdoor horn speakers, swit ch on the High P ass Filter . 5. On the rear panel of the SZ Series, turn the input Adjust fully counter clockwise (to the “-12dB” setting). Then connect the supplied heavy-gauge 3-pin “IEC” cable to the rear panel IEC connector and to any gr ounded AC outlet.
9 The SZ Series P rotection Circuitr y As noted in the “Guided T our ” section of this manual, the SZ Series front-panel Pr otection LED indicates the activit y of the relay speaker connection circuitry . When the Pr otection LED is lit, this circuitr y is active, and all connected speakers are muted .
10 The following diagr ams illustrate various wiring set ups for 4 ohm, 8 ohm and 70 V olt operation. SZ Series Connections 8 Ohm Operation (One 8 Ohm speaker per amplif er) 8 Ohm 8 Ohm 4 Ohm 4 Ohm 4 .
11 SZ Series Sy stem Set Up The following is a typical constant v oltage system setup for a small restaurant using four SZ1120 pow er amplifiers along with an S zone feeding several audio z ones with paging and music.
12 SZ Series Input W iring G uide Tip (signal) Sleeve (ground) 2 3 1 Male XLR Hot (2) Cold (3) Common (1) End V iew Solder Points 1 2 3 Tip (signal) Sleeve (ground) Co ld ( Pin 3) (no co nne ctio n) T.
13 SZ Series Output W iring Guide SZ Series Output Wiring Guide There ar e several way s to inter face the SZ Series amplifers, depending on y our exact system set-up . F ollow the cable diagrams below f or connecting to the output of your amplifier .
14 Specifications Specifications Rated Output (at T .H.D 1.0%, 1kHz) SZ1120 120W att SZ1240 240W att SZ1360 360W att Gain Control -12dB ~ 0dB Input Sensitivit y (at Balanced line) 1.0 ± 0.1Vrms / 10Kohm High-pass Filter(a t 400Hz) -3dB F requency Response +1.
15 Block Diagram.
Samson T echnologies Corp . 45 Gilpin A venue Hauppauge, New Y ork 11788-8816 Phone: 1-800-3-SAMSON (1-800-372-6766) F ax: 631-784-2201 ww w .samsontech.
An important point after buying a device Samson SZ1240 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Samson SZ1240 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Samson SZ1240 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Samson SZ1240 you will learn all the available features of the product, as well as information on its operation. The information that you get Samson SZ1240 will certainly help you make a decision on the purchase.
If you already are a holder of Samson SZ1240, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Samson SZ1240.
However, one of the most important roles played by the user manual is to help in solving problems with Samson SZ1240. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Samson SZ1240 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
