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Related Manuals for Usl XTD-33
Summary of Contents for Usl XTD-33
- Page 1 Film-Tech The information contained in this Adobe Acrobat pdf file is provided at your own risk and good judgment. These manuals are designed 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.
- Page 2 Digital Crossover Q u a l i t y C i n e m a P r o d u c t s Ultra Stereo Labs, Inc. • 181 Bonetti Drive San Luis Obispo, CA 93401 Telephone 805.549.0161 • e-mail usl@uslinc.com...
- Page 3 XTD-33 I NSTRUCTION ANUAL LTRA TEREO One Year Limited Warranty Ultra Stereo Labs, Inc. warrants that each product manufac- tured by it will be free from defects in material and workmanship under normal usage for a period of one (1) year after its purchase new from an authorized dealer.
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Page 4: Table Of Contents
Unpacking ..............6 Configurations and Options ........... 6 Technical Specifications ............7 Declaration of Conformance, CE..........7 XTD-33 Front Panel ..............8 XTD-33 Rear Panel ..............10 Theory of operation ............... 12 Normal operation ............12 Speaker Protection (Anti-Thump) ........13 Backup System ............. - Page 5 XTD-33 I NSTRUCTION ANUAL LTRA TEREO - 4 -...
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Page 6: Introduction
Scope of this Manual This manual is to aid in the installation and operation of the XTD-33 Digital Crossover. Because the XTD is designed for use with specific speaker systems, there may be situations that the XTD cannot correct (e.g., a room with excessive acoustic absorption or a power amplifier without sufficient power). -
Page 7: Unpacking
(“E”). Options If the standard speaker selections do not match your configuration, USL may be able to provide you with a customized program to optimize your audio. - 6 -... -
Page 8: Technical Specifications
XTD-33 I NSTRUCTION ANUAL LTRA TEREO 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 •... -
Page 9: Xtd-33 Front Panel
XTD-33 I NSTRUCTION ANUAL LTRA TEREO - 8 -... - Page 10 XTD-33 I NSTRUCTION ANUAL LTRA TEREO - 9 -...
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Page 11: Xtd-33 Rear Panel
XTD-33 I NSTRUCTION ANUAL LTRA TEREO - 10 -... - Page 12 XTD-33 I NSTRUCTION ANUAL LTRA TEREO - 11 -...
- Page 13 XTD-33 I NSTRUCTION ANUAL LTRA TEREO Volume Input Output Digital Converters Buffers Converters Controls Buffers Filters Program Select Analog Bypass Filters Control Bypass Circuitry 2 or 3 XTD-33 Block Diagram - 12 -...
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Page 14: Theory Of Operation
Backup System It is USL’s policy to try to provide a “safety net” when possible. The backup system here allows the XTD to continue to operate if the primary XTD power supply fails or there is a malfunction in the Digital Signal Processing part of the unit. -
Page 15: Installation
XTD-33 I NSTRUCTION ANUAL LTRA TEREO Installation Equipment needed Small Phillips screwdriver Straight blade screw driver with 1/8" wide tip (or slightly smaller) or alignment tool Wire strippers Audio Cable - (determine your configuration first) For Balanced and Unbalanced Lines - Individual two-conductor... -
Page 16: Power Connection, Main Voltage Selection, And Fuse
XTD. 5) Plug the power adapter into a stepdown transformer. 6) Insert the transformer/adapter into the AC main source. FUSE 1A 250V 115V Emergency Bypass Power 16VAC 500MA Main Power 115/230 VAC 50/60Hz, 40VA XTD-33 Power Connection - 15 -... -
Page 17: Rear Panel Signal Input Connections
XTD-33 I NSTRUCTION ANUAL LTRA TEREO Rear Panel Signal Input Connections Balanced Inputs The XTD has balanced inputs for the cleanest possible signal. For each channel, connect the audio source positive output to the positive input of the XTD. Connect the audio source negative output to the negative input of the XTD. -
Page 18: Rear Panel Signal Output Connections
XTD-33 I NSTRUCTION ANUAL LTRA TEREO Rear Panel Signal Output Connections Three-Way Crossover Connection - use all three output bands: Low, Mid, High Two-Way Crossover Connection - use only Low and High bands Balanced Outputs For each band in each channel, connect the XTD positive output to the positive input of the Amplifier. -
Page 19: Front Panel Controls
XTD-33 I NSTRUCTION ANUAL LTRA TEREO Front Panel Controls • The only control designed to always be available is the Power Switch. In the ON position power is supplied via the AC Mains, the Power LED will be Green, the Digital Crossover section of the XTD is enabled, and the Analog crossover is disabled. -
Page 20: Alignment
2) Turn the XTD off. 3) Use the chart in the Appendix to determine the setting that matches your speakers. If your speakers are not listed, please contact USL. 4) Use a small screwdriver to set the rotary switches to the matching setting. -
Page 21: Setting Output Levels
XTD-33 I NSTRUCTION ANUAL LTRA TEREO 4) Adjust the output level of the Cinema Processor Left Output Level Control until the Channel Signal Level LED on the XTD just turns yellow (The Signal Level LEDs will be Green ± 0.5dB above or below 0dB, Yellow within ±... -
Page 22: Operation
• Backup power - If the primary Power Supply fails the Power LED will be red, Contact USL. If the digital processing fails (or to check the processing) turn the Power Switch Off and the unit will go into Bypass mode, Contact USL •... -
Page 23: Appendix
XTD-33 I NSTRUCTION ANUAL LTRA TEREO Appendix Connector pinouts Inputs Right Output Center Output Left Output (Right to Left) (Right to Left) (Right to Left) (Right to Left) Left Channel + Low Band + Low Band + Low Band + Left Channel –... -
Page 24: Trouble Shooting
There is very little that can go wrong with the XTD except a failure of the fuse. Any other instance such as activation of the backup power system may require servicing the unit by USL or trained technician. • There are no user serviceable parts inside the unit. - Page 25 Q u a l i t y C i n e m a P r o d u c t s © 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...
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