Velodyne Acoustics SC-1250, SC-8, SC-10, SC-12, SC-15, SC-IW, SC-IF, SC-IC Low-Pass Crossover

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(5) Low-Pass Crossover

Use these up and down buttons to select the high-frequency range at which you wish to cut off the signal to the subwoofer. The frequency is indicated on the LED display briefly, then the display reverts to showing the subwoofer’s volume. The slope is fixed at 24 dB/octave. To deactivate the crossover, press BOTH the up and down crossover buttons at the same time – two dashes on the display indicate the crossover is deactivated and the woofer plays all frequencies presented to it. Please see page 9 for a more detailed discussion on crossovers.

(6) LED Numeric Indicator

This LED supplies information on volume, crossover, woofer type, and other information. The light button on the remote deactivates this display. Upon startup, the display shows the model of subwoofer the SC-1250 is controlling, then reverts to the volume indicator.

(7) Volume Control

These buttons allow you to balance the output from the subwoofer to the main speakers in your system. The volume should be set to achieve similar volume level from between both the main speakers and subwoofer. The default volume is 30.

Note: Volume is also controllable by using the supplied remote.

(8) Optional Rack Mount

These detachable ears allow the SC-1250 to be rack mounted.

REAR PANEL CONNECTIONS

Figure 2: Rear Panel Connections of the SC-1250.

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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 N g r a t u l a t i o n s Product FeaturesPrior to Installation SC 1250 Subwoofer AmplifierSC 8, SC 10, SC 12, SC 15, SC IW, SC IF/IC Subwoofers S ta l l a t i o n Low-Pass Crossover LED Numeric IndicatorVolume Control Optional Rack MountLine Input / LFE Input See a & 3B Mono LFE Line-Level ConnectionStereo Line-Level Connection IR Input Balanced XLR LFE Input See Figure14 12V Trigger Auto ON/OFF Switch Speaker Level Output Terminals See FigureAbout Low Pass Cr ossovers Disabling the Low Pass Cr ossover Subwoofer Dir ect Wor d About Inter connect CablesSelecting the Subwoofers to be Controlled Wor d About Subwoofer PlacementModel LED Display A g e Remote Contr olMusical Style Suggested Preset Care of your Amplifier and Subwoofer Restoring DefaultsPreset Subsonic Filter Volume Frequency DifferentialTroubleshooting and SER Vice Thank You for Purchasing an SC-1250Specifications SC in and OUT Por t Pin Configuration Appendix a RS-232 Serial Overview and CommandsCom Por t Setup Runtime Command Format Byte Number Byte DescriptionW . v e l o d y n e . c o m Digital Drive Other Velodyne Subwoofer ProductsSignature Edition Velodyne Acoustics, Inc