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Congratulations
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www.velodyne.com
SubContractor User’s Manual
C
ongratulations 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.
SC-1250 Subwoofer Amplifier
• Amplifier: 3000 watts dynamic/1250 watts RMS high efficiency, Class D
• DSP-controlled
• 4 selectable pr
esets for customized listening mode
• Automatic 7 band r
oom 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 cr
ossover 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 ar
e driven, they must each have 8 ohm or higher impedence. SC Series
subwoofers can be r
un in this fashion. If a more traditional 4 ohm subwoofer is driven with the
SC-1250, only one can be driven.
Product Features