Velodyne SC-1250 Amplifier User Manual
Subcontructor series amplifier/subwoofers
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Also See for SC-1250 Amplifier:
- Brochure (31 pages) ,
- User manual (1 page) ,
- Datasheet (1 page)
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Summary of Contents for Velodyne SC-1250 Amplifier
- Page 1 USER’S MANUAL Amplifier/Subwoofers SC-1250 Amplifier SC-8 SC-10 SC-12 SC-15 Subwoofers SC-IW SC-IF SC-IC...
- Page 3 WWW.velodyne.Com SC-1250 Amplifier User’s Manual - i...
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Page 5: Table Of Contents
Specifications ............17 Appendix A: RS-232 Serial overview and Commands ......19 WWW.velodyne.Com SC-1250 AmplifierUser’s Manual - ii... -
Page 7: Congratulations
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. -
Page 8: Sc-8, Sc-10, Sc-12, Sc-15, Sc-Iw, Sc-If Woofers
12” (9.7” piston diameter) subwoofer magnetically shielded for video use - 3” high temperature inside/outside voice coil - Frequency Response: 22 - 120Hz (+/- 3 dB) - Oversized spider for linearity at high excursion 8 ohm impedance - High-excursion EPDM rubber surround - 162 ounce magnet/346 ounce motor structure magnetically shielded for video use - Frequency Response: 22 - 120Hz (+/- 3 dB) 8 ohm impedance 2 - SC-1250 Amplifier User’s Manual www.velodyne.com... -
Page 9: Setup Checklist
(1) power LED This LED illuminates when the power is on. Blue is normal operation. It turns amber when the unit is in standby mode or the remote has been used to deactivate the unit. This led dims when the unit is in night mode. (2) power Switch This push button style switch is the main on/off for the unit. www.velodyne.com SC-1250 Amplifier User’s Manual - 3... -
Page 10: Rear Panel Connections
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. Figure 2: Rear Panel Connections of the SC-1250. 4 - SC-1250 Amplifier User’s Manual www.velodyne.com... - Page 11 “daisy-chained” subwoofer. The signal from these RCA connectors is the same as the input signal. (10) Line Input / LFE Input (See Figure 3A & 3B) Connect these jacks to the LINE OUT preamp output, LFE output, or subwoofer output jacks of your receiver/processor. If using the LFE output from your receiver or processor, plug the single cable into the jack labeled LFE input or, for more signal, use a “Y” connector (not included) and feed the signal into both “R” and “l” inputs. Option 1 Figure 3A: Mono (LFE) Line-Level Connection. www.velodyne.com SC-1250 Amplifier User’s Manual - 5...
- Page 12 Option Figure 3B: Stereo Line-Level Connection. 6 - SC-1250 Amplifier User’s Manual www.velodyne.com...
- Page 13 When this 2-conductor mini jack is connected, the amplifier remains in power-off mode until the trigger is applied. The correct trigger is +12V on the tip of the connector relative to the grounded sleeve. (15) RS-232 In Use this port to communicate with a touch panel remote control. See Appendix A for anexplanation of the use of the serial port, available commands, and their formats. www.velodyne.com SC-1250 Amplifier User’s Manual - 7...
- Page 14 (up to 50% more power). You may also connect your satellites directly to your receiver or amplifier along with the subwoofer if you wish to bypass this crossover. Speaker-Level Connection Figure 5: Speaker-Level Connection. 8 - SC-1250 Amplifier User’s Manual www.velodyne.com...
- Page 15 Note: Do not use both the RCA/Phono “INPUT” connections and “SPEAKER LEVEL INPUT” connections simultaneously. About Low-Pass Crossovers All of the SC-1250 inputs sum the left and right channels together and the resulting signal is passed through an adjustable low-pass crossover before being amplified. The crossover control allows you to adjust the upper limit of the subwoofer’s frequency response from 30 to 160 Hz. The subwoofer’s response will begin rolling off above the frequency you set this control to. The slope is 24 dB/octave. www.velodyne.com SC-1250 Amplifier User’s Manual - 9...
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Page 16: About Low-Pass Crossovers
® ® out” jack that performs this same function and are designed to be used with a powered subwoofer. In these installations, you may want to bypass the crossover in either the processor or the velodyne SC-1250 as described above. However, in some cases you may want to use BOTH crossovers. If you choose to do this you should stagger the frequencies, (i.e., 120 Hz subwoofer, 80 Hz processor) for best results. note: If not using an external crossover, you should use the built-in crossover for optimal performance. When using a single RCA sub out from the processor, it does not matter which line level input (L/R) is used. -
Page 17: A Word About Subwoofer Placement
SELECTING ThE SUBwOOFER(S) TO BE CONTROLLED your SC-1250 can control a variety of velodyne SubContractor Series subwoofers as well as generic passive subwoofers. Special internal software settings are designed to maximize performance and reliability depending on the model of subwoofer being controlled, so it is important to match the SC-1250 amplifier with the subwoofer(s) it is controlling. -
Page 18: Using The Sc-1250 To Drive Two Subwoofers
2-3 seconds before the eQ sweeps begin. Note: Each time the EQ feature is utilized, the EQ settings for the SC-1250 are reset. If the microphone is not plugged in, the SC-1250 will emit one or two sweep tones then cease the eQ operation. In this case, the previous eQ settings will be preserved. • phASE — These buttons allow you to optimize the subwoofer performance for the location and your 12 - SC-1250 Amplifier User’s Manual www.velodyne.com... - Page 19 R&B – Rock: Provides the driving bass found in today’s rock music. Jazz – Classical: The tightest, cleanest, lowest distortion bass. The flattest frequency response of the four presets. Games: maximum loudness available for the impact of video games. www.velodyne.com SC-1250 Amplifier User’s Manual - 13...
- Page 20 R&B – Rock Classical Jazz – Classical Dance and DJ R&B – Rock Hard Rock/Heavy Metal R&B – Rock latin music R&B – Rock miscellaneous Jazz – Classical movies – non-Action Adventure Jazz – Classical new Age Jazz – Classical opera and vocal Jazz – Classical R&B R&B – Rock Rap and Hip-Hop R&B – Rock Soundtracks R&B – Rock or Jazz – Classical video Games Games 14 - SC-1250 Amplifier User’s Manual www.velodyne.com...
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Page 21: Restore Defaults
SC-1250 chassis or the subwoofer cabinet. Abrasives, detergents, or cleaning solutions will damage the finish on the SC-1250 chassis or the subwoofer cabinet. We recommend using a damp cloth to clean the front, back and sides. During normal conditions, the amplifier may be left on continuously without any problems. If you plan to leave the unit unused for an extended period of time, we recommend that you turn off the unit by the master power switch on the front panel. www.velodyne.com SC-1250 Amplifier User’s Manual - 15... -
Page 22: Troubleshooting And Service
2. The unit does not appear to operate normally or exhibits a marked change in performance. 3. The unit has been exposed to water. 4. Some part of the cabinet or circuitry is physically damaged. Thank You for Purchasing a Velodyne SC-1250 Amplifier Product! 16 - SC-1250 Amplifier User’s Manual www.velodyne.com... -
Page 23: Specifications
** Allow two extra inches in depth for wire connectors and power cables ** Includes feet. Feet can be removed for rack mount use. Unit is approximately “two rack units” high. Warranty Three years (electronics, parts and labor) Shipping Weight (approx.) 30 lbs. (22.7 Kg) www.velodyne.com SC-1250 Amplifier User’s Manual - 17... - Page 24 36 lbs. (21 Kg) 41 lbs. (26 Kg) 55 lbs. (16 Kg) **2 Cartons 57 lbs. (26 Kg) Carton 1: 16 lbs. (7.25 Kg) Carton 2: 43 lbs. (12.25 Kg) Total: 43 lbs. (19.5 Kg) 18 - SC-1250 Amplifier User’s Manual www.velodyne.com...
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Page 25: Appendix A: Rs-232 Serial Overview And Commands
1 to 3 or 4 Command and Parameter Data 3 to 4 ASCII characters see formats below Case sensitive - CAPS ONLY! 4 or 5 ‘$’ Termination Character (required or command is ignored) www.velodyne.com SC-1250 Amplifier User’s Manual - 19... - Page 26 #MU1$, #MU?$ Mutes/Unmutes the woofer, or 1: Mute On requests mute state Power Control #JUn$, #JU?$ 0: Power Off #JU0$, #JU1$, #JU?$ Powers On/Powers Off the 1: Power On woofer, or requests power state 20 - SC-1250 Amplifier User’s Manual www.velodyne.com...
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Page 27: Velodyne Products
1812 Signature edition SPl-800i SC-IW SC-IF/IC SPl-1000i CHT-Q Series SC-600 Amp CHT-8Q SC-600 IW CHT-10Q SPl-Ultra Series SC-600 IF/IC CHT-12Q SPl-800 Ultra CHT-15Q SPl-1000 Ultra SPl-1200 Ultra Impact Series Impact - mini Impact -10 Impact -12 www.velodyne.com SC-1250 Amplifier User’s Manual - 21... -
Page 28: For Your Records
The warranty information indicated above refers to products purchased in the United States and Canada only. If you purchased your product outside of the United States or Canada, please consult your local authorized Velodyne dealer for warranty registration and information. 22 - SC-1250 Amplifier User’s Manual... - Page 30 Amplifier/Subwoofers Subcontractor-Series_AmpsSubs-Revd_mAy2012 Velodyne Acoustics, Inc. 408.465.2800 voice Service e-mail: service@velodyne.com 345 digital drive 408.779.9227 fax Product e-mail: help@velodyne.com Morgan Hill, CA 95037 408.779.9208 service fax Technical e-mail: techhelp@velodyne.com www.velodyne.com...
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