Instruction/ maintenance manual of the product Model 311 Art
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The ART Model 311 Precision Stereo 2-Way Active Crossover with Subwoofer Output USER’S GUIDE - 1 -.
TABLE OF CONTENTS Introduction ........................................................................................... 3 Installation ............................................................................................. 4 AC Power Hookup .
INTRODUCTION Thank you for purchasing an ART 311 - and congratulations: You now own one of the most versatile crossove rs available. Offering a superb level of sound quality, the 311 circuit design, combined with a straightforward user interface, quickly and easily gives you access to all of its features.
INSTALLATION The 311 may be used in a wide variety of applications and environments. Enclosed in a rack-mo untable, all-steel enclosure, the unit is designed for continuous prof essional use.
CONTROLS POWER SWITCH The power switch applies and remove s power to the Crossover. Make sure all equipment after the 311 is either off or the outputs are turned all the way down before turning on or off the 311 . LOW OUTPUT LEVEL CONTROL Each channel of the 311 has a Low Output Level control.
The main crossover filters are 4-pole Linkwitz-Riley designs (24dB/octave). This yields a sharp rolloff to help pr otect speakers and the outputs sum to a flat response. HIGH OUTPUT LEVEL CONTROL Each channel of the 311 has a High Output Level control.
CONNECTIONS It is easy to interface the unit with a wide variety of equipment. The rear panel has balanced XLR and ¼” inputs as well as unbalanced ¼” outputs. XLR INPUT JACKS (REAR) The XLR input connecti ons are balanced and follow the AES standard for wiring: Pin 1 = Ground, Pin 2 = Hot (+), Pin 3 = Cold (-).
OPERATION The following guideline refers to a P.A. system, but the same basic ideas apply to a home recording setup or a Hi-Fi system. A stereo 2-way sound system is typically set up as follows: Separate high frequency (horn or tweeter) and low frequency (bass) cabinets are used for each side (left and right) of the sound system.
3. Connect the Low output of C hannel One to the power amplifier powering the low frequency cabinets (left). 4. Connect the High output of C hannel One to the power amplifier powering the high frequency cabinets (left). 5. Repeat for the right side of the system (Channel Two).
WARRANTY INFORMATION Limited Warranty Applied Research and Technology will provide warranty and service for this unit in accordance with the following warrants: Applied Research and Technology, (A R T.
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.
311 SPECIFICATIONS Dimensions 1.75”H x 19”W x 5.5”D Weight 4.85 lbs. (2.2 kg) Input Connections XLR, ¼” TRS, balanced Output Connections ¼”TS, unbalanced Input Impedance 100K ohms Output Impedance 220 ohms Maximum Input Level +21dBu Maximum Output Level +21dBu CMRR >75dB (typical @ 1kHz) Frequency Response 10Hz to 40kHz, +/-.
An important point after buying a device Art Model 311 (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 Model 311 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 Model 311 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Art Model 311 you will learn all the available features of the product, as well as information on its operation. The information that you get Art Model 311 will certainly help you make a decision on the purchase.
If you already are a holder of Art Model 311, 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 Model 311.
However, one of the most important roles played by the user manual is to help in solving problems with Art Model 311. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Art Model 311 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
