Velodyne Acoustics SC-1250, SC-8, SC-10, SC-12, SC-15, SC-IW, SC-IF, SC-IC Product Features

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C o n g r a t u l a t i o n s

Congratulations on your purchase of a Velodyne SubContractor Series subwoofer. This system represents the state-of-the-art in low frequency reproduction. Read and follow the instructions below to insure safe and proper system operation.

Warning!

To prevent fire or shock hazard, do not expose this equipment to rain or moisture. To avoid electrical shock, do not open speaker enclosure or amp chassis cover. Please observe all warnings on the equipment itself. There are no user serviceable parts inside. Please refer all service questions to your authorized Velodyne dealer.

Prior to Installation

Please unpack the system carefully. Remove all staples used to seal the carton as they can scratch the chassis. Please save the carton and all packaging materials for future use. Record the serial number in the space provided on the warranty card for future reference.

Product Features

SC - 1250 Subwoofer Amplifier

•Amplifier: 3000 watts dynamic/1250 watts RMS high efficiency, Class D

•DSP-controlled

•4 selectable presets for customized listening mode

•Automatic 7 band room equalizer (microphone included)

•Night-mode setting

•Mute control

•Adjustable (30 to 160 Hz) low-pass crossover (defeatable)

•Line-level (RCA) inputs and outputs

•Speaker-level inputs with 5 way binding post connections

•Signal sensing auto turn on/off (defeatable)

•Variable volume control

•Selectable phase control (0, 90, 180 or 270 degrees)

•Built-in adjustable digital low-pass crossover with 24 dB/octave slope

•Driver Displacement Control software to prevent over excursion and amp clipping

•Blue power indicator LED

•RS-232 Serial Interface

•12 Volt trigger

•Universal remote input jack

•Ability to drive up to TWO subwoofers**

**If two subwoofers are driven, they must each have 8 ohm or higher impedence. SC Series subwoofers can be run in this fashion. If a more traditional 4 ohm subwoofer is driven with the SC-1250, only one can be driven.

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SubContractor User’s Manual

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Contents
SubContractor Series U t i o n At t e n t i o n Vo r s i ch t At t e n z i o n e Table of Contents SC 1250 Subwoofer Amplifier Product FeaturesPrior to Installation N g r a t u l a t i o n sSC 8, SC 10, SC 12, SC 15, SC IW, SC IF/IC Subwoofers S ta l l a t i o n Optional Rack Mount LED Numeric IndicatorVolume Control Low-Pass CrossoverMono LFE Line-Level Connection Line Input / LFE Input See a & 3BStereo Line-Level Connection IR Input Balanced XLR LFE Input See Figure14 12V Trigger Speaker Level Output Terminals See Figure Auto ON/OFF SwitchAbout Low Pass Cr ossovers Wor d About Inter connect Cables Disabling the Low Pass Cr ossover Subwoofer Dir ectSelecting the Subwoofers to be Controlled Wor d About Subwoofer PlacementModel LED Display Remote Contr ol A g eMusical Style Suggested Preset Differential Restoring DefaultsPreset Subsonic Filter Volume Frequency Care of your Amplifier and SubwooferThank You for Purchasing an SC-1250 Troubleshooting and SER ViceSpecifications Runtime Command Format Byte Number Byte Description Appendix a RS-232 Serial Overview and CommandsCom Por t Setup SC in and OUT Por t Pin ConfigurationW . v e l o d y n e . c o m Digital Drive Other Velodyne Subwoofer ProductsSignature Edition Velodyne Acoustics, Inc