Instruction/ maintenance manual of the product SLA-2 Art
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The ART SLA-2 Studio Linear Amplifier TABLE OF CONTENTS Safety Precau tions ....................................................................................... 2-3 Introduction ......................................................................
2 IMPORTANT SAFETY INSTRUCTION – READ FIRST This symbol, whenever it appears, This symbol, wherever it appears, alerts alerts you to the presence of uninsulated you to important operating and maintenance dangerous voltage inside the encl osure-voltage instructions in the accompan ying literature.
3 SAFETY PRECAUTIONS Warning: For optimum performance and reliability, do not operate the amplifier with a speaker load of less than 4 Ohms per channel, or any combination of speakers that together are less than 4 Ohms. Using one speaker per channel, it must be rated at 4 or more Ohms.
4 INTRODUCTION Thank you for purchasing an ART SLA- 2 Studio Linear Amplifier - and congratulations, you now own one of the most versatile amplifiers available.
5 INSTALLATION The SLA-2 may be used in a wide variety of project and professional studio environments. Self-contained in a steel and aluminum enclosure, the unit is designed for many years of use. For greater reliability, we recommend that you not place the unit directly under or on top of other sources of heat.
6 SECURITY COVER For commercial installations it may be desirabl e to set the gain controls on the power amp, and then make them in accessible t o non-qualified operators. This can be acco mplished by using the Security Co ver Plate which is included with the SLA-2.
7 CONTROLS & INDICATORS – FRONT PANEL FRONT PANEL DIAGRAM POWER SWITCH The Power Switch is located on the front of the unit, directly in the center. During initial installation, make sure the attenuators for channels one and two are set to a low volume level before applying power.
8 PROTECT INDICATOR LED The LED will glow when the channel goes into protect mode. In protect mode, the output signal to the speakers will be muted (channel specific). If there is a fault condit ion at the speaker outputs (due to a severe load or short) the LED will light until the fault is removed.
9 REAR PANEL CONNECTIONS REAR PANEL DIAGRAM It is easy to interface the SLA-2 with a wide variety of equipment. All inputs and outputs are loca ted on the rear panel. Standard EuroBlock, ¼” and XLR inputs and bind ing post outputs make patching simple.
10 XLR INPUT JACKS The XLR Input jacks are Pin Two posit ive, Pin Three negative, and Pin One is ground. This connection is for balanced connections. EUROBLOCK BARRIER STRIP Insert the wires, then snug down with the set screw. The entire barrier strip can be removed fo r quick service without disconnecting the individual wires.
11 Spade Connector – Loosen the red and black caps on the binding posts (don’t completely remove). Insert the spade connector into the binding post and tighten the caps down on the spade connector. Be sure that the wire c onnected to one post does NOT come in contact with that of another post.
12 GROUND LIFT SWITCH This switch is used to disconnect t he internal ground signal from the chassis (case) ground. This ma y be used to reduce 50/60Hz noise (hum or buzz).
13 MONO BRIDGE OPERATION Be sure the amp is shut off. Press the Stereo/Mono switch (on the back) to the “in” position. Conn ect an input signal to channel one. Connect your speaker across the tw o red output binding posts on the rear of your amplifier.
- 14 - WARRANTY INFORMATION Limited Warranty Applied Research and Technology will pr ovide warranty and service for this unit in accordance with the following warrants: Applied Research and Technology.
- 15 - SERVICE The following information is provided in the unlikely event that your unit requires service. 1) Be sure that the unit is the cause of the problem. Check to make sure the unit has the proper power supplied, all cables are connected correctly, and the cables themselves ar e in working condition.
- 16 - SLA-2 SPECIFICATIONS Dimensions 1.75”H x 19.0” W x 13.5”D Weight 19.8 lbs., 9.0kg. Input Connections XLR,EUROBLOCK (balanced), ¼”TRS(balanced/unbalanced) Output Connections Multi-Way B.
An important point after buying a device Art SLA-2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Art SLA-2 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 Art SLA-2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Art SLA-2 you will learn all the available features of the product, as well as information on its operation. The information that you get Art SLA-2 will certainly help you make a decision on the purchase.
If you already are a holder of Art SLA-2, 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 Art SLA-2.
However, one of the most important roles played by the user manual is to help in solving problems with Art SLA-2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Art SLA-2 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
