Extron electronics XPA Ultra Series User Manual
Half-rack audio power amplifier
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Summary of Contents for Extron electronics XPA Ultra Series
- Page 1 User Guide XPA Ultra Series XPA U 3502 Half-Rack Audio Power Amplifier 68‑3545‑01 Rev. A 05 21...
- Page 3 Copyright © 2021 Extron. All rights reserved. www.extron.com Trademarks All trademarks mentioned in this guide are the properties of their respective owners. The following registered trademarks ( ® ), registered service marks ( ), and trademarks ( ) are the property of RGB Systems, Inc. or Extron (see the current list of trademarks on the Terms of Use page at www.extron.com):...
- Page 4 FCC Class B Notice NOTE: This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
- Page 5 únicamente. El dispositivo no debe exponerse a goteos ni a la entrada de agua y deben colocarse sobre el aparato otros objetos llenos de líquido, como vasos. • XPA Ultra series are Class I products and must be connected to the MAINS outlet ELECTRICAL with a protective ground connection. •...
- Page 6 Specifications Availability Product specifications are available on the Extron website, www.extron.com. Extron Glossary of Terms A glossary of terms is available at http://www.extron.com/technology/glossary.aspx.
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Page 8: Table Of Contents
Contents Introduction ..........1 About this Guide ..........1 About the XPA U 3502......... 1 Features .............. 2 Installation ..........4 Mounting the XPA U 3502 Amplifier ..... 4 Tabletop Use ........... 4 UL Rack Mounting Guidelines ......4 Rack Mounting ..........5 Rack Shelf Mounting........ -
Page 9: Introduction
Introduction This section gives an overview of the Extron XPA U 3502 two-channel audio power amplifier. Topics include: About this Guide • About the XPA U 3502 • Features • About this Guide This guide describes the XPA U 3502 two-channel audio power amplifier and discusses how to install, configure, and operate it. -
Page 10: Features
Features • 350 Watts per channel into 8 ohms or 4 ohms ENERGY STAR ® qualified amplifier — The XPA U 3502 is an ENERGY STAR-qualified • and energy efficient amplifier conserving energy and reducing costs. Extron Patented CDRS (Class D Ripple Suppression) Technology — CDRS is an •... - Page 11 Multiple protection circuits — Activate during output shorts, thermal overload, or DC • faults to prevent damage to the amplifier and speakers. 5 mm screw-lock captive screw speaker connectors — Enable simple, secure • connections with 22 to 12 AWG speaker cables. Front and rear-mounted signal and protection indication LEDs —...
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Page 12: Installation
Installation This section describes the installation and setup of the XPA U 3502 power amplifier. Topics include: Mounting the XPA U 3502 Amplifier • Flexible Conduit Adapter Kit Installation • Mounting the XPA U 3502 Amplifier The XPA U 3502 can be mounted in a rack using rack ears, mounted on a rack shelf, set on a table, or mounted in the plenum space above a ceiling-mounted projector. -
Page 13: Rack Mounting
The XPA U 3502 ships with a bridge plate connector to allow two amplifiers to be connected together and form a full rack-width unit. Mount two XPA Ultra Series amplifiers by doing the following: If the rubber feet are installed on the bottom of the amplifier, remove them. -
Page 14: Rack Shelf Mounting
Figure 2. Installing XPA U 3502 Bridge Plate Insert the amplifiers into the rack and align the holes in the rack ears with the holes in the rack. Secure the amplifiers to the rack using four provided 10-32 3/4” screws (see figure 3, Figure 3. -
Page 15: Rack Mounting Ventilation Recommendations
Either attach the false front panel, which is provided with the rack shelf, to the unoccupied side of the rack, or install a second half rack-width device to that side. Repeat steps 1 through 4 if a second device is being installed. Attach the rack to the shelf by using the four 10-32 x 3/4”... -
Page 16: Flexible Conduit Adapter Kit Installation
Flexible Conduit Adapter Kit Installation WARNING : AVERTISSEMENT : • The circuit breaker used for this connection should be rated no lower than 20 amps and no greater than 30 amps. • Le disjoncteur utilisé pour cette connexion devrait avoir une cote comprise entre 20 et 30 amps. -
Page 17: Ul Requirements
The optional Flexible Conduit Adapter Kit includes the following parts: • One conduit adapter plate (pre-attached), for PS 124 and XPA Series amplifiers • One conduit adapter plate for XPA Ultra Series and NetPA Ultra Series amplifiers (not attached) • One 6 foot long electrical conduit •... - Page 18 Figure 6. Removing the Cover Remove the two screws holding the blue hot line and the brown neutral wires from the terminal block on the PCB. Put the screws to the side to be used later (see figure 7). Remove the ground wire nut from the grounding stud located on the bottom of the enclosure as shown in figure 7, below.
- Page 19 6 (see figure 9). Figure 9. Secure XPA Ultra Series Adapter Plate to Conduit Thread the blue, brown, and green 18-gauge power wires that are included with the flexible conduit adapter kit through the length of the electrical conduit.
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Page 20: Operation
Operation This section describes the installation and setup of the XPA U 3502 power amplifier. Topics include: Front Panel Features • Rear Panel Features • Troubleshooting • Front Panel Features Power/Standby Indicator Over Temp Indicator Channel Status LEDs Figure 11. XPA U 3502 Front Panel Power/Standby LED —... -
Page 21: Rear Panel Features
Rear Panel Features Removable IEC Channel Status LEDs Attenuators Power Receptacle Line Input Remote Connectors Speaker Output Connectors Connectors Figure 12. XPA U 3502 Rear Panel Removable IEC Power Receptacle — Connect the supplied IEC power cord here for power input (100 VAC to 240 VAC, 50-60 Hz) to the internal power supply. The connector can be replaced by a Flexible Conduit Adapter Kit (see Flexible Conduit Adapter Kit Installation... - Page 22 ATTENTIONS: • The default position of all potentiometers when shipped is turned fully counter-clockwise (fully attenuated). • La position par défaut de tous les potentiomètres lors de leur expédition est orientée vers le sens antihoraire (atténuation complète). • Do not use a screwdriver to adjust the potentiometers. The potentiometers should only be adjusted as needed using the included tweeker (small screwdriver).
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Page 23: Remote Volume Control Port
WARNING: AVERTISSEMENT : • Do not tie channel output pins to each other or to ground. Doing so will short out the outputs, damage the amplifier, or both. • Ne pas lier les sorties 1 et 2 des canaux entre elles ou à la terre. Les sorties pourraient être court-circuitées et/ou l’amplificateur pourrait être endom- magé. -
Page 24: Remote Standby Port
Wiring Channels 1 & 2 Volume Control Ports to a Single Device (Optional) In some applications, it may desirable to control the volume of both channels from a single control device; for example, when using Channels 1 and 2 as a stereo pair (discrete left and right audio). -
Page 25: Troubleshooting
Troubleshooting The front and rear panels have LED warning indicators, as described below. Amplifier Fails to Exit Standby Mode Promptly The input channel signal LED lights green when an input signal is detected. Power LED Color Signal LED State Problem Description Problem Solution Amber Not lit... -
Page 26: Amplifier Enters Standby Mode Too Early
Amplifier Enters Standby Mode Too Early The input channel signal LED lights green per indicated input channel when an input signal is detected. Power LED Color Signal LED State Problem Description Problem Solution Green or Amber Lit intermittently Enters standby mode The output signal early level of the source... - Page 27 Extron Warranty Extron warrants this product against defects in materials and workmanship for a period of three years from the date of purchase. In the event of malfunction during the warranty period attributable directly to faulty workmanship and/or materials, Extron will, at its option, repair or replace said products or components, to whatever extent it shall deem necessary to restore said product to proper operating condition, provided that it is returned within the warranty period, with proof of purchase and description of malfunction to: USA, Canada, South America,...