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Extron electronic XTRA SERIES manual

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Table of contents for the manual

  • Page 1

    User Guide XTRA ™ Series Audio Products Half-Rack Audio P ower Amplifiers 68-2354-01 Rev . A 02 14[...]

  • Page 2

    Safety Instructions Safety Instructions • English WARNING: This symbol, , when used on the product, is intended to alert the user of the presence of uninsulated danger ous voltage within the product’ s enclosure that may pr esent a risk of electric shock. A TTENTION: This symbol, , when used on the product, is intended to alert the user of impo[...]

  • Page 3

    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 provide r easonable protection against harmful interfer ence in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not inst[...]

  • Page 4

    [...]

  • Page 5

    Contents Introduction .................................................. 1 About this Manual............................................ 1 T erms Used in this Manual ........................... 1 Features .......................................................... 1 Installation .................................................... 3 Application Exam[...]

  • Page 6

    [...]

  • Page 7

    Intr oduction About this Manual This manual contains information about the Extron XTRA Series of power amplifiers. • XP A 1002 two-channel stereo audio power amplifier • XP A 1002 Plus two-channel stereo audio power amplifier • XP A 2001-70V mono audio power amplifier • XP A 2001-100V mono audio power amplifier T erms Used in this Manu[...]

  • Page 8

    Extron patented CDRS — Class D ripple suppr ession — A patented, exclusive technology from Extr on that eliminates the high frequency switching ripple and EMI emissions found in typical Class D amplifiers. CDRS enables Extron power amplifiers to be situated near wireless A V devices without RF interference. Convection cooled — The XTRA Seri[...]

  • Page 9

    Installation This section discusses how to install the XTRA Series of audio power amplifiers. T opics that are cover ed, include: • Application Examples • Mounting the XTRA Series Amplifier W ARNING: Failure to follow these instructions may r esult in serious injury . Installation and service must be performed by authorized personnel only (se[...]

  • Page 10

    50/60 Hz 100-240V 0.3A L 1 R L 2 R L 3 R L 4 R L 1 R L 2 R L 3 R L 4 R L 1 R L 2 R L 3 R L 4 R L 3 R L 4 R I N P U T S O U T P U T S C O N T R O L I N P U T S O U T P U T S RESET ACT LINK RS-232 1 2 3 4 1 5 6 7 8 1 9 10 11 12 1 2 2 2 COM PUT ER IN COM PUT ER OUT VID EO IN S-V IDE O I N OUT OUT C OMP UTE R VI DEO S -VI DEO V AR IBL E LIMITER/PROTECT[...]

  • Page 11

    2. Reduced air flow — Installation of the equipment in a rack should be such that the amount of air flow requir ed for safe operation of the equipment is not compromised. 3. Mechanical loading — Mounting of the equipment in the rack should be such that a hazardous condition is not achieved due to uneven mechanical loading. 4. Circuit overload[...]

  • Page 12

    Rack Mounting V entilation Recommendations Excessive heat can decrease the optimal lifetime of the power amplifier . An over temp indicator LED on the front panel of the amplifier lights r ed whenever the recommended operating temperature has been exceeded (see Fr ont Panel Features and Operation on page 9). T o reduce the chances for an over tem[...]

  • Page 13

    The optional Flexible Conduit Adapter Kit consists of: • One EMT adapter plate • One 6-foot long electrical conduit • Three 7.5 feet, 18-gauge spade connector power wir es • One UL-rated zip tie wrap • Three auxiliary crimp style spade connectors designed for 14- to 16-gauge wir es NOTE: If needed, Extron r ecommends using a UL-rated crim[...]

  • Page 14

    3. Remove the 2 screws holding the hot (Line) and neutral wir es from the terminal block on the PCB (see figure 6). 100-240V 1.3A 50-60Hz Remove sc re ws (both sides) to re lease IEC connector plate. Remove nut Blue Wi re Brown Wi re L N Figure 6. Removing the IEC Connector 4. Remove the ground wir e nut from the gr ounding stud on the bottom of t[...]

  • Page 15

    Operation This section discusses how to operate the XTRA Series of audio power amplifiers. T opics covered, include: • Front Panel Featur es and Operation • Rear Panel Features and Operation Fr ont Panel Features and Operation XP A 1002 12 LIMITER/PROTECT SIGNAL OVER TEMP XP A 1002 XP A 1002 Plus Fr ont Panel 1 2 3 4 XP A 2001 LIMITER/PROTECT [...]

  • Page 16

    c Limiter/Protect indicator LEDs — These LEDs (r epresenting their r espective output channels) light red under thr ee circumstances: 12 LIMITER/PRO TECT • When the output wiring is shorted together . • When audio clipping occurs, the LED of the corresponding channel blinks once per clip occurrence. • When the amplifier overheats, both LED[...]

  • Page 17

    Rear Panel Featur es and Operation 100-240V 0.5A, 50-60Hz XP A 2001-70V LIMITER/PROTECT SIGNAL 0 2 4 6 8 10 12 18 14 26 ∞ ATTENU AT ION HPF 70 V OUTPUT REMOTE INPUTS CLASS 2 WIRING G G C V L (SUMMED) R 10V 80 Hz OFF 50mA STANDBY XP A 2001-70V Rear Panel XP A 1002 XP A 1002 Plus Rear Panel 100-240V 0.5A, 50-60Hz XP A 2001-100V LIMITER/PROTECT SIGN[...]

  • Page 18

    d Attenuation — Use a small screwdriver to adjust the audio input level for the corresponding channel. The analog potentiometers contr ol the level from = (full attenuation) to 0 dB (no attenuation). XP A 1002 Series XP A 20 01 Series 0 2 4 6 8 10 12 18 14 26 ∞ 0 2 4 6 8 10 12 14 ∞ 2 1 A TTENUATION 0 2 4 6 8 10 12 18 14 26 ∞ A TTENUATION LE[...]

  • Page 19

    Do not tin the wires! Balanced Stereo Input Ti p Ring Ti p Ring Sleeves LR Unbalanced Stereo Input Ti p Sleeve Sleeve Ti p LR Unbalanced Mono Input Ti p Sleeve LR Balanced Mono Input Ti p Ring Sleeve LR or 1 2 INPUTS NOTE: The input connector receptacle may be labeled one of two ways. The wiring and function are the same, whichever way your product[...]

  • Page 20

    MUTE VOLUME G 10K OHMS 2K OHMS MAX 2 C 3 1 V MIN 12 3 ST ANDBY MUTE SWITCH VOL/MUTE 10V 50 mA 45 or REMOTE G G C V 10V 50mA ST ANDBY Pin 5 (standby) connected to ground (pin 4) places the amplifier in standby mode. Standby mode turns off all output, although the amplifier is still receiving power . Use the included 2-pin, 3.5 mm captive screw con[...]

  • Page 21

    12 OUTPUT XP A 1002 XP A 1002 Plus CLASS 2 WIRING 1 2 8 Ω /4 Ω OUTPUTS or A TTENTION: Do not tie channel outputs 1 and 2 to each other or to ground. Doing so will short the outputs, damage the amplifier , or both. NOTE: The power output of the XP A 1002 series can be effectively doubled by bridging the output. A mono source is wir ed to both the[...]

  • Page 22

    ç Mono audio output connector — W ire the included 2-pole, 5 mm scr ew lock captive screw connector for mono audio (see the steps below). Output is designed to power 70 V (XP A 2001-70V) or 100 V (XP A 2001-100V) line distribution systems and is rated at 200 watts. NOTES: • Y ou must use Class 2 wiring for this output to comply with UL require[...]

  • Page 23

    h High pass filter (HPF) toggle switch (XP A 2001 series) — Use a small screwdriver to toggle this r ecessed two-position switch. Setting the switch to 80 Hz (default) prevents the saturation of 70 V and 100 V speaker input transformers by low frequency signals. Saturation can r esult in severe distortion of the speaker output signal. HPF 80 Hz [...]

  • Page 24

    Controlling Multiple Amplifiers with One V olume Controller Several XP A 1002 and XP A 2001 series units can be daisy-chained so that one volume controller can simultaneously r egulate the volume of all the amplifiers. NOTES: • As additional amplifiers are added to the daisy chain, the sensitivity of the volume potentiometer will change. The m[...]

  • Page 25

    Bridged Mono Output The power output of the XP A 1002 and XP A 1002 Plus can be effectively doubled by bridging the output. Bridging allows power to be output in mono at 200 watts at 8 ohms. NOTES: • The bridging instructions that follow apply only to the XP A 1002 series. • The minimum load impedance when bridging is 8 ohms. T o bridge the out[...]

  • Page 26

    T r oubleshooting The front and r ear panels have LED warning indicators, as described in the following diagnostic information. Amplifier Fails to Exit Standby Mode Promptly The input channel (channels 1 and 2) Signal LED lights green per indicated input channel when an input signal is detected. Power LED Color Signal LED State Problem Description[...]

  • Page 27

    Amplifier Enters Standby Mode T oo Early The input channel (channels 1 and 2) 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 early . The output signal level of the source may be too low [...]

  • Page 28

    Extron Headquarters +1.800.633.9876 (Inside USA/Canada Only) Extron USA - W est Extron USA - East +1.714.491.1500 +1.919.850.1000 +1.714.491.1517 F AX +1.919.850.1001 F AX Extron Europe +800.3987.6673 (Inside Europe Only) +31.33.453.4040 +31.33.453.4050 F AX Extron Asia +800.7339.8766 (Inside Asia Only) +65.6383.4400 +65.6383.4664 F AX Extron Japan[...]