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User Guide
Audio Products
™
XTRA Full Rack Series:
XPA 2002 XPA 2003C-70V
XPA 2002-70V XPA 2003C-100V
XPA 2002-100V XPA 2004
Full-Rack 2-, 3-, and 4-Channel Mono and Stereo Audio
Power Amplifiers
68-783-01 Rev. C
05 11
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Safety Instructions • English Warning Power sources • This equipment should be operated only from the power source indicated on the product. This This symbol is intended to alert the user of important operating and mainte- equipment is intended to be used with a main power system with a grounded (neutral) conductor. The third nance (servicing) instructions in the literature provided with the equipment. (grounding) pin is a safety feature, do not attempt to bypass or disable it. This symbol i
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FCC Class B Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a resi- dential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarant
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Conventions Used in this Guide In this user guide, the following are used: NOTE: A note draws attention to important information. TIP: A tip provides a suggestion to make working with the application easier. CAUTION: A caution indicates a potential hazard to equipment or data. WARNING: A warning warns of things or actions that might cause injury, death, or other severe consequences. Copyright © 2011 Extron Electronics. All rights reserved. Trademarks All trademarks mentioned in this guide are
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Contents Introduction ........................................................... 1 About this Guide ................................................ 1 Terms Used in this Guide ................................. 1 Features .............................................................. 2 Installation ............................................................. 3 Application Examples .......................................... 3 Operation ............................................................
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Introduction About this Guide This guide contains information about the Extron® series of audio power amplifiers: the XPA 2002 two-channel stereo amplifier, the XPA 2002-70V two-channel, 70 V line distribution mono amplifier; the XPA 2002-100V two-channel, 100 V line distribution mono amplifier; the XPA 2003C-70V three-channel, stereo 4-ohm and 8-ohm, mono 70 V line distribution amplifier; the XPA 2003C-100V three-channel, stereo 4-ohm, 8-ohm, mono 100 V line distribution amplifier; and th
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Features Extron Patented Class D Ripple Steering (CDRS™) technology — CDRS is an Extron patented technology that provides a smooth, clean audio waveform and an improvement in signal fidelity over conventional Class D amplifier designs. CDRS eliminates the high frequency switching ripple characteristic of Class D amplifiers, a source of RF emissions, which can interfere with sensitive A/V equipment such as wireless microphones. Professional grade signal-to-noise and THD performance — Deliver
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Installation This section discusses how to install the XTRA Series of full rack power amplifiers. WARNING: Installation and service must be performed by authorized personnel only (see “UL Rack Mounting Guidelines)”. Application Examples The following illustrations are application examples for the XPA 2002, XPA 2002-70V, XPA 2003C-70V, and XPA 2004. Application examples for the XPA 2002-100V and XPA 2003C-100V are very similar to the XPA 2002-70V and XPA 2003C-70V examples, respectively. Ex
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Extron XPA 2002-70V Power Amplifer Projector Projector Extron SI 26CT Two-Way Ceiling Speakers Extron MPX 866 A Matrix Switcher DVDs Flat Panel Displays Laptop Computers Figure 2. XPA 2002-70V Application Example XTRA Full Rack Power Amplifier Series • Installation 4 VIDEO IN 1 3COMPUTER IN5 7 1 COMPUTER OU 3 T 5 9 GENLOCK 11 13 14 7 9 10VIDEO OU 11 T 12 Y 12 2 4 6 8 2 4 6 Y/VID Y/VID Y/VID Y/VID 10 VIDEO 8 C C VIDEO C C C VIDEO S-VIDEO PASS THROUGH 1 2 3 AUDIO INPUTS 4 6 7 RS-232 REMOTE I 5 I
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Desk Microphones Extron IN1508 Scaling Presentation Switcher Laptop Control System PC RS-232 Extron DMP 64 Digital Matrix Processor Extron XPA 2003C 70V Combo Power Ampli er Extron SI 26CT Two-Way Ceiling Speakers Extron SI 28 Surface-Mount Speakers Figure 3. XPA 2003C-70V Application Example XTRA Full Rack Power Amplifier Series • Installation 5 100-240V 50-60Hz 1 3 6 L ISTED I VID YC C U S 1T23 OUTPUT AUDIO INPUT OUTPUT I. T.E. 1 2 3 4 5 6 A N L L RGB RGB P Y, B-Y, R-Y B RS-232 VID 7 8 L
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Extron SSP 7.1 Extron Surround Sound CrossPoint Ultra Series Processor Ultra-Wideband Matrix Switcher Extron XPA 2004 Four Channel Power Ampli er PC Laptop DVD DBS Receiver Left and Right Back Left and Right Side Extron Center and XPA 2004 Extron Subwoofer Four Channel SI 28 Power Ampli er Surface-mount Speakers Left and Right Front Figure 4. XPA 2004 Application Example XTRA Full Rack Power Amplifier Series • Installation 6 I NPUTS OUTPUTS 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 R R G
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Operation This section discusses how to operate the XPA power amplifiers. Topics that are covered, include: z z Front Panel Features and Operation z z Rear Panel Features and Operation z z Bridged Mode Output Front Panel Features and Operation 4 1 2 GREEN - ACTIVE OVER AMBER - STANDBY LIMITER / PROTECT TEMP SIGNAL XPA 2002 1 2 3 XPA 2002, XPA 2002-70V, and XPA 2002-100V Front Panel 4 1 23 GREEN - ACTIVE OVER AMBER - STANDBY LIMITER / PROTECT TEMP SIGNAL XPA 2003C 1 2 3 XPA 2003C-70V and XPA 2
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a Power indicator LED — This LED lights: z z Green when the amplifier is receiving full power. z z Amber when the amplifier is in Standby mode. Standby mode turns off all outputs from the amplifier, although the amplifier is still receiving power (see d of “Rear Panel Features and Operation).” b Over Temp indicator LED — This LED lights red when the amplifier exceeds the recommended operating temperature for optimal lifetime. The LED turns off after the amplifier has cooled down sufficie
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Rear Panel Features and Operation 5 100-240V 1.5A, 50-60 Hz CLASS 2 WIRING XPA 2002 LEVEL INPUTS BRIDGE OUTPUTS REMOTE MODE BRIDGE LIMITER/ N15779 PROTECT 12 LISTED 1 2 12 ON 12 10 10 12 8 12 8 (BRIDGE A) AUDIO/VIDEO 14 614 6 GREEN - ACTIVE APPARATUS 18 4 4 17TT AMBER - STANDBY 26 2 2 0 0 OFF BRIDGE 8 ONLY SIGNAL 8 /4 ( ) XPA 2002 1 2 3 4 6 7 8 12 11 Rear Panel 5 CLASS 2 WIRING XPA 2002 -70V 100-240V 1.5A, 50-60 Hz LEVEL INPUTS HPF OUTPUTS REMOTE 70V LIMITER/ 12 N15779 PROTECT CH
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5 CLASS 2 WIRING XPA 2004 100-240V 1.5A, 50-60 Hz LEVEL INPUTS BRIDGE OUTPUTS REMOTE MODE BRIDGE A BRIDGE B LIMITER/ N15779 AB PROTECT 123 4 1 2 3 4 LISTED 12 34 123 4 12 10 8 12 10 8 12 10 8 12 10 8 ON (BRIDGE A) (BRIDGE B) 14 614 6 14 6 14 6 AUDIO/VIDEO GREEN - ACTIVE APPARATUS 18 4 4 4 4 AMBER - STANDBY 17TT 26 2 2 2 2 0 0 0 0 SIGNAL OFF 8 / 4 (BRIDGE 8 ONLY) 8 / 4 (BRIDGE 8 ONLY) XPA 2004 1 2 3 4 6 7 8 12 11 Rear Panel a AC power connector — Connect a standard IEC AC power cor
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g Level adjustment (channels 1, 2, 3 and 4) — Use a Tweeker or small screwdriver to LEVEL adjust the audio input level for the corresponding channel. The analog potentiometers control the level from = (full attenuation) to 0 dB (no attenuation). 12 34 10 10 10 10 12 8 12 8 12 8 12 8 14 14 14 14 6 6 6 6 18 4 4 4 4 26 2 2 2 2 0 0 0 0 h Balanced or unbalanced stereo/mono audio input connector — W ir e the 3.5 mm 3-pin captive screw connectors for balanced or unbalanced input. Tip Tip Sleeve
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i High pass filter toggle switch — Use a small screwdriver to toggle this recessed two-position toggle switch that alternates between Off (no filtering) and 80 Hz. The XPA 2002-70V and XPA 2002-100V have 2 switches, one for each output channel. The XPA 2003C-70V and XPA 2003C-100V have one switch for the line distribution output channel (channel 3). Setting the switch to 80 Hz prevents the saturation of the speaker input transformers by low frequency signals. Saturation may result in un
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Step 1: Strip and insert the speaker wires into the connector and tighten the captive screws. Be sure to observe correct polarity. Do not tin the wires! Step 2: Insert the wired connector into the amplifier output and secure the locking screws on either side. k Stereo audio output connector — W ir e the included 4-pole, 5 mm scr ew lock captive screw connector to output 2-channel (XPA 2002, XPA 2003C-70V, and XPA 2003C-100V) or 4-channel (XPA 20
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Step 1: Strip and insert the speaker wires into the connector and tighten the captive screws. Be sure to observe the correct polarity. Do not tin the wires! Step 2: Insert the wired connector into the amplifier output and secure the locking screws on either side. l Bridged output mode (XPA 2002 and XPA 2004) — The output power of the XPA 2002 can be effectively doubled by using input channel 1 and bridging the outputs. The output power of the
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Bridged Mode Output XPA 2002 bridged mono output speaker wiring In bridged mode, the output mode toggle switches for Input 1 (A) or Input 3 (B) or both must be set to the bridged (up) position, as shown below. For Input 1: The channel 1 “+” output terminal becomes the bridged:”+” output terminal and the channel 2 “+” output terminal becomes the bridged “-” output terminal, as shown below. BRIDGE BRIDGE MODE 1 2 A ON 8/ 4 (BRIDGE 8 ONLY) OFF 8 Ohm On the input end, only Input 1 is
