Summary of SZ240
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Sz240 sz480 power a mplifers sz series.
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Safety instructions/consignes de sécurité/sicherheitsvorkehrungen/instrucciones de seguridad achtung: um die gefahr eines brandes oder stromschlags zu verringern, sollten sie dieses gerät weder regen noch feuchtigkeit aussetzen.Um die gefahr eines stromschlags zu verringern, sollten sie weder deckel...
Page 4: Table of Contents
Copyright 2007 printed june, 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
1 introduction thank you for purchasing the sz240 and sz480 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 pro...
Page 6: Sz Series Features
2 sz series features the samson sz240 and sz480 power amplifiers have been developed using the latest technology in class d power amplifier design. Here are some of their main features: • each sz series amplifier delivers 120 watts of clean power per channel at 70/100 volts and 4 ohms, with 2 x 120 ...
Page 7: Sz480 Layout - Front Panel
3 sz480 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 amplifiers stay cool thanks to their twin, forced-air...
Page 8: Sz480 Layout - Rear Panel
4 sz480 layout - rear panel 1: fan - this internal fan provides vital cooling to your sz series. Make sure that both the front and rear panels are kept free of all obstructions and that cool, fresh air is accessible at all times. Also, try to ensure that the sz series is used in a dust-free environm...
Page 9: Sz240 Layout - Front Panel
5 sz240 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 amplifiers stay cool thanks to their twin, forced-air...
Page 10: Sz240 Layout - Rear Panel
6 sz240 layout - rear panel 1: fan - this internal fan provides vital cooling to your sz series. Make sure that both the front and rear panels are kept free of all obstructions and that cool, fresh air is accessible at all times. Also, try to ensure that the sz series is used in a dust-free environ-...
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7 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 wi...
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8 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...
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9 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 ...
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10 setting up and using your sz series channel limiter switches output connectors input connectors protection led channel input control three-segment led meter setting up your sz series is a simple procedure which takes only a few minutes: 1. Remove all packing materials (save them in case of need f...
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11 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 (provi...
Page 16: Sz Series Connections
12 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 8 ohm 8 ohm 4 ohm 4 ohm 4 ohm 4 ohm 4 ohm operation (two 8 ohm speakers per amplifer) 70 volt operation (four speaker...
Page 17: Sz Series System Set Up
13 sz series system set up the following is a typical constant voltage system setup for a small restaurant using the sz480 power amplifier along with an s zone feeding several audio zones with paging and music. The first two sz amp channels are connected to four wall-mounted speakers in each of the ...
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14 sz series input wiring guide sz series input 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 input of your amplifier. Euroblock to rca (unbalanced) euroblock to 1/4-inch (unbalan...
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15 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. For most small installation 14 to 16 gauge zip cord can be used for most small to medium size installations. Follow the cable dia- grams ...
Page 20: Cleaning The Fan Filters
16 cleaning the fan filters cleaning the fan filters from time to time, it may become necessary to clean the fan filters. It’s a good idea to keep the fan filters clean to ensure maximum airflow, and cooling, through your sz series amplifier. To clean the fan filters follow these simple steps. 1/ re...
Page 21: Specifications
17 specifications sz240 sz480 all channels driven 8 ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 watts 65 watts 4 ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 22: Block Diagram
18 block diagram.
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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.