Xantech PA435X Installation Instructions Manual
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Xantech PA435X Installation Instructions Manual

Four channel power amplifier
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TABLE OF CONTENTS

SectionTitle
SAFETY INSTRUCTIONS - READ BEFORE OPERATING EQUIPMENT................................................................................................................2
GENERAL INFORMATION .........................................................................................................................................................................................3
PA435X PANEL AND FEATURE DESCRIPTIONS ...................................................................................................................................................5
INSTALLATION - PHYSICAL LOCATION AND MOUNTING ....................................................................................................................................8
CONNECTING THE PA435X .....................................................................................................................................................................................9
Stereo Mode Connections ................................................................................................................................. 9
Speaker Phasing.............................................................................................................................................10
Mono Mode Connections .................................................................................................................................10
Bridged Mode Connections ..............................................................................................................................11
Connecting the REMOTE MASTER ON/OFF MUTE CONTROL .........................................................................12
A Multi-Zone System Diagram Using The PA435X and MRC88 ..........................................................................13
TROUBLE SHOOTING .............................................................................................................................................................................................15
SPECIFICATIONS ....................................................................................................................................................................................................16
INSTALLATION INSTRUCTIONS
MODEL PA435X
FOUR CHANNEL POWER AMPLIFIER
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Summary of Contents for Xantech PA435X

  • Page 1: Table Of Contents

    Stereo Mode Connections ... 9 Speaker Phasing...10 Mono Mode Connections ...10 Bridged Mode Connections ...11 Connecting the REMOTE MASTER ON/OFF MUTE CONTROL ...12 A Multi-Zone System Diagram Using The PA435X and MRC88 ...13 TROUBLE SHOOTING ...15 SPECIFICATIONS ...16 INSTALLATION INSTRUCTIONS MODEL PA435X...

  • Page 2: Safety Instructions - Read Before Operating Equipment

    18. Servicing – The user should not attempt to service the appliance beyond that described in the operating instructions. All other servicing should be referred to qualified service personnel. DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE © 2003 Xantech Corporation Model PA435X...

  • Page 3: General Information

    Two 70-watt amplifiers (single Zone Stereo 70-watt output) Remote ON/OFF Control Jacks (C1 & C2). These 3.5mm Stereo Mini Jacks allow the PA435X to be powered on and off and muted by a positive DC voltage ranging between 4 and 30 volts (11mA @ 12 V). Specifically, when interfaced with the Control Out jacks of zones 7 &...
  • Page 4 LED will illuminate RED. After the amp stops clipping the LED will return to its normal state 5-6 seconds after clipping stops. Auto Protection Circuit. This feature protects the PA435X if a short or very low impedance is detected at the speaker terminals with each amplifier pair protected separately. Normal operation is restored automatically within 3 to 4 seconds after the short is removed.

  • Page 5: Pa435X Panel And Feature Descriptions

    2. POWER/STANBY SWITCH: § STANDBY MODE: When the front switch is pressed to the IN position, the PA435X may be controlled remotely from the MRC88 leaving the amplifier in STANDBY MODE when any of the Zones are powered OFF via the CI1 and CI2 Control Inputs.
  • Page 6 Page 6 FIGURE 3 – PA435X REAR PANEL - FEATURES AND FUNCTIONS 6. Line Inputs. These RCA-type jacks are the audio inputs 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.
  • Page 7 12. REMOTE MASTER ON/OFF and MUTE CONTROL (CI1 & CI2). These two Stereo Mini Jack connections allow each individual channel pair of the PA435X to be powered ON and OFF and muted by a control voltage ranging between 5 and 30 Volts DC (16mA @ 12 V). When connected to the C01 and C02 jacks from Zones 7 &...

  • Page 8: Installation - Physical Location And Mounting

    3. If the cabinet contains other heat generating components, you will have to pay even closer attention to adequate ventilation. 4. Do not hesitate to use fans (quiet, boxer type), if necessary, to ensure a constant flow of air through the PA435X's and the other heat generating components.

  • Page 9: Connecting The Pa435X

    1. Using good quality RCA-type patch cables connect the L and R OUTPUT jacks of the MRC88 Pre Amp Output or other driving preamp to the LEFT and RIGHT input jacks on the PA435X. Do this for each amplifier pair. Refer to Fig.

  • Page 10: Speaker Phasing

    Page 10 5. Be sure to observe correct polarity by connecting the "+" and "–" terminal from each channel on the PA435X to the corresponding "+" and "–" terminals on each speaker. This will ensure correct "phasing" - see Fig. 6 and Speaker Phasing below.

  • Page 11: Bridged Mode Connections

    NOTE: Do this only on the amplifier pairs you wish to run in the bridged mode! 3. Connect one speaker wire pair between the 4-terminal "SPEAKER" connectors on the PA435X and the speakers as shown in Fig. 6. Be sure to use only the two outer terminals marked "+” and "–" on the 4-terminal connector as shown on the panel for BRIDGED connections.

  • Page 12: Connecting The Remote Master On/Off Mute Control

    CONTROL inputs (CI1 & CI2) will allow the power to the PA435X to be turned ON, OFF, and MUTED by remotely applied DC Voltages. Fig. 8 illustrates how a PA435X can be switched ON and OFF via the MRC88 Zone 7 & 8 Control Outputs (CO1 and CO2).

  • Page 13: A Multi-Zone System Diagram Using The Pa435X And Mrc88

    5. Set the Input Level Adjustment for both channels on the rear of the PA435X according to Figure 4. This will match the output of the PA435X to the standard output of the other 6 Zones of the MRC88. You can also adjust higher or lower according to customer preference.
  • Page 14 PA435X is powered ON. Similarly, when either Zone is powered down, the associated amplifier pair on the PA435X is put into STANDBY Mode. When both Zones (& & *) are powered down, the PA435X will either go into STANDBY Mode on both amplifier pairs or will be POWERED OFF depending upon the position of the front panel POWER/STANDBY button (IN = STANDBY;...

  • Page 15: Trouble Shooting

    No sound from CH2, CH4 when stereo operation is desired. Sound cuts in and out every 3 to 5 seconds. PA435X does not turn OFF when both REMOTE input voltages go to 0 Volts. The Logo stays illuminated. PA435X becomes very warm, shuts OFF, but does not come back ON automatically.

  • Page 16: Specifications

    120V version: 6.25A Slow Blow 250 VAC 240V version: 3.15A Time-Lag 250 VAC 17” W x 4” H x 11.5” D (432 mm W x 102 mm H x 293 mm D) 20.4 lbs (9.3 Kg) © 2003 Xantech Corporation Model PA435X...
  • Page 17 Model PA435X Page 17 © 2003 Xantech Corporation...
  • Page 18 Page 18 Model PA435X © 2003 Xantech Corporation...
  • Page 19 Model PA435X Page 19 © 2003 Xantech Corporation...
  • Page 20 Page 20 Model PA435X XANTECH CORPORATION 12950 Bradley Avenue, Sylmar CA 91342-3829 phone 818.362.0353 • fax 818.362.9506 www.xantech.com Part No. 08901190 Rev A 01-31-2003 © 2003 Xantech Corporation...

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