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XTD-33 I

NSTRUCTION

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ANUAL

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LTRA

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Technical Specifications

• Size: 1 unit Rack Mount (standard reference) 19" wide (including rack

ears; 17.5" chassis only), 8" deep, 1.75" high

• Weight: 8 lbs.
• Electrical: AC mains 115VAC @ 1 Amp or 230VAC @ 1 Amp
• Backup Power: 16VAC @ 750mA. A 115VAC wall mount AC adapter is

supplied with the unit. (230VAC operation requires a stepdown trans-
former.)

• Audio Inputs: 0dB ref. - 300mV rms, +26dB maximum Balanced/Unbal-

anced via one 10-pin detachable screw terminal plug for Left, Center, and
Right channels

• Audio Outputs: Two or Three Bands for each Channel. Transformer Simu-

lated Balanced/Unbalanced via three 10-pin detachable screw terminal
plugs, one for each channel. Nominal levels are unity gain relative to the
input levels adjustable by the front panel volume controls (0-100%).

Declaration of Conformance, CE

Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility and
93/68/EEC Low-Voltage Directive 73/23/EEC for Product Safety. Compliance
was demonstrated to the following specifications as listed in the Official
Journal of the European Communities:

EN55103-1: 1999 - Emissions:

IEC1000-3-2 - Limits for Harmonic Current Emission
IEC1000-3-3, Part 3 - Limits of Voltage Fluctuations and Flicker in

Low Voltage Supply Systems

EN550103-2: 1999 - Immunity:

EN55013 Sec 3.2 - Mains Terminal Disturbance
EN55013 Sec 3.5 - Disturbance Power Test

Low Voltage Directive 73/23/EEC:

EN 60065 - Safety of Information Technology Equipment,

Including Electrical Business Equipment

Summary of Contents for XTD-33

Page 1: ...esigned to facilitate the exchange of information related to cinema projection and film handling with no warranties nor obligations from the authors for qualified field service engineers If you are no...

Page 2: ...Ultra Stereo Labs Inc 181 Bonetti Drive San Luis Obispo CA 93401 Telephone 805 549 0161 e mail usl uslinc com XTD 33 Digital Crossover Q u a l i t y C i n e m a P r o d u c t s INSTRUCTION MANUAL...

Page 3: ...serviced by one of our authorized contractors The foregoing warranty is exclusive and in lieu of all other warran ties whether expressed or implied Such warranty shall not apply to any product or comp...

Page 4: ...eration 12 Speaker Protection Anti Thump 13 Backup System 13 Installation 14 Equipment needed 14 System Hardware Mounting and Grounding 14 Power Connection Main Voltage Selection and Fuse 15 Rear Pane...

Page 5: ...XTD 33 INSTRUCTION MANUAL ULTRA STEREO LABS INC 4...

Page 6: ...d injury and prevent damage to this product To avoid potential risk use this product only as specified and only for the purpose described in the instruction manual To Avoid Fire and Personal Injury Us...

Page 7: ...irements that reduce or eliminate the risk of personal injury to both the product user and service personnel This product is designed and tested to meet the standards of the International Electrotechn...

Page 8: ...e screw terminal plugs one for each channel Nominal levels are unity gain relative to the input levels adjustable by the front panel volume controls 0 100 Declaration of Conformance CE Meets intent of...

Page 9: ...OUTPUT LEVEL ADJUST BYPASS MODE LEFT RIGHT CENTER RS 232 Q u a l i t y C i n e m a P r o d u c t s POWER ON XTD 33 DIGITAL CROSSOVER THREE CHANNEL THREE WAY SIGNAL INPUT Yellow 0Db Ref 0 1 2 3 4 5 6 7...

Page 10: ...cate whether the XTD is receiving the proper signal level Off indi cates the level is below 54 dB Green indicates the signal is present at normal levels Yellow indicates the signal is within 0 5dB of...

Page 11: ...SSOVER WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE DO NOT REMOVE COVER NO USER SERVICABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONELL...

Page 12: ...e XTD in two or three bands as determined by the Program Select and Bypass Mode switches on the front panel Balanced or Unbalanced signals may be used In Unbalanced mode the negative signal should be...

Page 13: ...ANUAL ULTRA STEREO LABS INC 12 Input Buffers A D Converters DSP Digital Filters Program Select D A Converters Analog Filters Bypass Circuitry Bypass Control Volume Controls Output Buffers 2 or 3 Way X...

Page 14: ...mplifiers always be the last to be turned on and the first to be turned off Backup System It is USL s policy to try to provide a safety net when possible The backup system here allows the XTD to conti...

Page 15: ...unt the XTD with bolts not supplied appropriate to your setup To assure good chassis grounding use a star washer between at least one bolt head and XTD Power Connection Main Voltage Selection and Fuse...

Page 16: ...adable 3 Insert the IEC power cord with the Euro plug into the IEC connector and the AC mains source 4 Emergency Power Supply Plug the power adapter16VAC plug into the jack on the rear of the XTD 5 Pl...

Page 17: ...put to the negative input of the XTD Connect the cable shield only to the XTD signal ground E to minimize hum due to ground loops RIGHT CENTER LEFT INPUTS Balanced Input RIGHT CENTER LEFT INPUTS Unbal...

Page 18: ...1 GND Unbalanced Output Unbalanced Outputs The outputs of the XTD use a solid state transformer simulator BOTH POSITIVE AND NEGATIVE OUTPUTS MUST BE CONNECTED SOME WHERE If your Amplifier does not hav...

Page 19: ...nalog crossover is enabled Behind the access panel are the Digital Configuration switches Analog Crossover Mode selector switches and the volume controls for the nine outputs Digital Configuration swi...

Page 20: ...e not listed please contact USL 4 Use a small screwdriver to set the rotary switches to the matching setting 5 Set the Bypass Mode switches to match the speaker configuration two or three way Up or ON...

Page 21: ...lifier swap out 3 Adjust the XTD Left Channel Low Frequency Volume pot until the Sound Pressure Level is approximately 80dB 4 Turn off or down all the way the Low Frequency Amplifier 5 If you are usin...

Page 22: ...LEDs indicate the signal levels of the three input channels to the XTD as shown in the chart below Note 0dB 300mV rms Output Signal Level Adjustment Should be already set see the Alignment Section Byp...

Page 23: ...and E Low Band E Center Channel Mid Band Mid Band Mid Band Center Channel Mid Band Mid Band Mid Band Center Channel E Mid Band E Mid Band E Mid Band E Right Channel High Band High Band High Band Right...

Page 24: ...USL or trained technician There are no user serviceable parts inside the unit Updating the XTD firmware requires special knowledge and training provided with the update package please contact USL Ple...

Page 25: ...2000 All Rights Reserved Ultra Stereo Labs Inc 181 Bonetti Drive San Luis Obispo CA 93401USA Telephone 805 549 0161 FAX 805 549 0163 e mail usl uslinc com Q u a l i t y C i n e m a P r o d u c t s...

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