Xantech PA435X инструкция обслуживания

INSTALLATION INSTRUCTIONS MODEL PA435X FOUR CHANNEL POWER AMPLIFIER TABLE OF CONTENTS SectionTitle Page SAFETY INSTRUCTIONS - READ BEFORE OPERATING EQUIPMENT ................................................................................................................ 2 GENERAL INFORMATION .........................................................[...]

Page 2 Model PA435X © 2003 Xantech Corporation SAFETY INSTRUCTIONS - READ BEFORE OPERATING EQUIPMENT CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BA CK) NO USER - SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead symbol, within an equilateral triangle, is intended t[...]

Model PA435X Page 3 © 2003 Xantech Corporation GENERAL INFORMATION To enhance the ease of installation and obtain optimum performance from the PA435X, we recommend that you first become familiar with all its features and special capabilities by studying the descriptions and instructi ons in this manual. The PA435X was designed to meet the audio po[...]

Page 4 Model PA435X © 2003 Xantech Corporation Peak/Clip LED Indication: Whenever either amplifier channel output starts to enter a clipping state, a front panel LED will illuminate RED. After the amp stops clipping the LED wil l return to its normal state 5 - 6 seconds after clipping stops. Auto Protection Circuit . This feature protects the PA43[...]

Model PA435X Page 5 © 2003 Xantech Corporation PA435X PANEL AND FEATURE DESCRIPTIONS 1. Front Panel . 17" X 3.5” panel designed for shelf mounting. The unit measures 4” high with the Feet (Item #5). When rack mounting use a n adequate rack shelf mount making sure to allow for proper ventilation. FIGURE 2 – THE MODEL PA625X FRONT PANEL ?[...]

Page 6 Model PA435X © 2003 Xantech Corporation FIGURE 3 – PA435X REAR PANEL - FEATURES AND FUNCTIONS 6. Line Inputs . These RCA - type jacks are the audio input s for each of the amplifier pairs. Connect them to the Preamp Output jacks of Zone 7 & 8 of the MRC88 (or other driving preamp output) with good quality RCA - type patch cables. Note[...]

Model PA435X Page 7 © 2003 Xantech Corporation CAUTION : Be sure to have the rear AC LINE POWER switch (Item #15) turned OFF (O) when changing the p osition of this switch and when making the corresponding speaker connection changes. 9. FUSE . When required, replace only with a fuse of the same type and rating: § 120 V Version: 6.25 AMP 250 VAC, [...]

Page 8 Model PA435X © 2003 Xantech Corporation INSTALLATION - PHYSICAL LOCATION AND MOUNTING Figure 5 – HORIZONTAL MOUNTING When you mount the PA435X, you should plan its location carefully. Pay close attention to each o f the following factors: 1. The amplifier is convection cooled. That is, it depends on the natural free flow of air up through[...]

Model PA435X Page 9 © 2003 Xantech Corporation NOTE : You should consider some sort of rear support for rack mounted units when used in mobile applications or when located in seismically - active areas. CONNECTING THE PA435X Figure 6 - PA435X Stereo Mode Connections When making connections to the PA435X be sure the power cord is unplugged. Proceed[...]

Page 10 Model PA435X © 2003 Xantech Corporation 5. Be sure to observe correct polarity by connecting the "+" and " – " terminal from each channel on the PA435X to the corresponding "+" and " – " terminals o n each speaker. This will ensure correct "phasing" - see Fig. 6 and Speaker Phasing belo[...]

Model PA435X Page 11 © 2003 Xantech Corporation Figure 7 – Bridged Mode Connections Bridged Mode Connections In general, it is recommended that the BRIDGED mode not be used in multi - room applications where several speakers are driven through room volume controls an d the like. For such applications, use the STEREO mode. Use the BRIDGED mode fo[...]

Page 12 Model PA435X © 2003 Xantech Corporation CAUTION : When operating in the BRIDGED mode (particularly when bench testin g the amplifier) do not make a ground or any other kind of connection to the amplifier speaker terminals other than those to the individual speakers as shown. Failures caused by inappropriate connections are not covered unde[...]

Model PA435X Page 13 © 2003 Xantech Corporation A Multi - Zone System Diagram Using The PA435X and MRC88 Fig. 9, following, shows the PA435X in a typical multi - room system with a Xantech MRC88 eight - zone preamp. Figure 9: Interfacing the PA435X with an MRC88 Zones 7 & 8 In this case: 1. Using good quality RCA Stereo Patch Cords, connect th[...]

Page 14 Model PA435X © 2003 Xantech Corporation The Remote Amp CO1 & CO2 (Remote Control Jack) from the MRC88 allows for individual Zone control directly from the Zone 7 & 8 keypads of the MRC88 system. When any one of the zones is turned on, the PA435X is powered ON. Similarly, when either Zone is powered down, the assoc iated amplifier p[...]

Model PA435X Page 15 © 2003 Xantech Corporation TROUBLE SHOOTING If you encounter a problem, please review the items in the following list. Be sure, in addition, to check other system components, such as preamplifiers, CD players, speakers, speaker wiring , etc., that may be at fault. PROBLEM PROBABLE CAUSE AND SOLUTION Rear panel Power Indicator [...]

Page 16 Model PA435X © 2003 Xantech Corporation SPECIFICATIONS Number of chann els 4 Power Output Rated continuous power, each channel, all six channels simultaneously driven, 20 Hz to 20kHz, at rated THD 35 Watts at 8 Ohms Power Output Short term continuous, each channel, 2 channels driven, 1 kHz, at rated THD 55 Watts at 8 Ohms 80 Watts at 4 Ohm[...]

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Page 20 Model PA435X © 2003 Xantech Corporation XANTECH CORPORATION 12950 Bradley Avenue, Sylmar CA 91342 - 3829 phone 818.362.0353 • fax 818.362.9506 www.x antech.com P art No. 08901190 Rev A 01 - 31 - 2003[...]