Velodyne Acoustics SC-10 User's Manual
Contents
1. NOTE A Y Connector can be used as an option SC Subwoofer SC Subwoofer Figure Mono LFE Line Level Connection WWW VELODYNE COM SubContractor User s Manual 5 Option 2 SC Subwoofer Stereo Line Level Output to Another SC 1250 Unfiltered Stereo Line Level Connection POWER Velodyne MAIN SPEAKER LEVEL OUTPUTS SUBWOOFERS CE 5 1250 TE BOBS 1881 GN THRU INPUT eeee 6 L3 6 R 69 amp 69 69 a e S N LABEL MAIN ee LEVEL sins 18V 60He LFE LFE MIC IR 12V T6 3AL 250V 1 L INPUT J 5 EN M Stereo Line Level Input from Source SC Subwoofer Figure 3B Stereo Line Level Connection WWW VELODYNE COM SubContractor User s Manual 6 11 Balanced XLR LFE Input See Figure 4 This XLR input jack receives the balanced LFE signal from your receiver or processor SC Subwoofer Balanced Line Level Connection OUTTO SUBWOOFER S 80 POWER ON PE S N LABEL 115V 60Hz T6 3AL 250V Velodyne op 0 SC 1250 Amplifier THRU INPUT MAIN SPEAKER LEVEL OUTPUTS AUTO ON OFF R L xl i E E 69 69 69 69 69 69 R L 89 MAIN SPEAKER LEVEL INPUTS Balanced Line Level Subwoofer Signal from Source SC Subwoofer Figure 4 Balanced Line Level Connection 12 Mic Input Connect the supplied microphone for the Auto EQ fea2. Word About Your Receiver s Crossover and the SC 1250 Crossover 10 Word About Interconnect Cables 10 Word About Subwoofer Placement 11 Selecting the Subwoofer s to be Controlled 11 2 S ere d ER du ER ESSE Gott ee Bee dies 12 Restore Delaulls e sei Ge 14 Care of Your Amplifier and Subwoofer 14 Troubleshooting and Service 15 Specifications eodera ese ARO SSS ERREUR 16 Appendix A RS 232 Serial Overview and Commands WWW VELODYNE COM SubContractor User s Manual CONGRATULATIONS 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 t
3. 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 SubContractor User s Manual 44 TROUBLESHOOTING AND SERVICE Before seeking service for your amplifier or subwoofer please re check all systems Following is a simple troubleshooting guide to assist you 6 Verify that the unit is plugged in and power outlet used is active Is the power switch on Is the unit receiving an input signal from your source Have all controls on the amplifier volume crossover phase etc been properly set If the unit has been running at high levels one of the protection circuits may be engaged Has the amplifier overheated Has the power button been depressed on the remote If the protection circuitry is active the unit may cycle on and off until operating parameters return to normal Under more serious conditions the unit may shut off completely Normal operation should return upon cooling but you may be required to turn the power off and then on again to reset the unit The following conditions require service by a qualified tec
4. 15 forward firing 12 7 piston diameter 28 120Hz 24 120Hz 22 120Hz 22 120Hz 22 120Hz The following subwoofers are designed to work with the SC 1250 4 x 14 rectangular driver 3 x 13 25 piston dimensions SC IF Infloor SC IC Inceiling 12 9 7 piston diameter subwoofer 22 120Hz lt 5 typical lt 5 typical lt 5 typical lt 5 typical lt 5 typical lt 5 typical 204 oz Ferrite 12 7 Ibs 346 oz Ferrite 21 6 Ibs 346 oz Ferrite 21 6 Ibs 346 oz Ferrite 21 6 Ibs 2 5 Dual Layer inner outer wind 3 Dual Layer inner outer wind 3 Dual Layer inner outer wind 3 Dual Layer inner outer wind 10 75 x 10 5 x 9 25 27 3 x 26 7 x 23 4 cm Allow 1 2 extra inches in depth for wire hookup 12 75 x 12 375 x 9 5 32 4x 31 5 x 24 2 cm Allow 1 2 extra inches in depth for wire hookup 15 x 14 5 x 10 25 38 1 x 66 1 x 26 1 cm Allow 1 2 extra inches in depth for wire hookup 18 5 x 18 25 x 13 5 27 4 x 26 4 x 34 cm Allow 1 2 extra inches in depth for wire hookup Sealed enclosure Sealed enclosure Sealed enclosure paese 36 Ibs 21 Kg 41 Ibs 26 Kg Sealed enclosure Two years Two years 26 lbs 16 Kg 55 bs 16 Kg 275 oz Neodymium motor structure 3 Dual Layer inner outer wind 27 x 13 90 x 3 70 68 6 x 35 3 x 9 4 cm excludes grilles mounting tabs etc Sealed enclosure Two years 2 Cartons Carto
5. from your TV to the subwoofer will be adequate to avoid any magnetic interference Remember that the built in 7 band EQ will help to get the most performance out of your subwoofer no matter where it is placed Caution This amplifier has electronics built into the cabinet Do not place the chassis next to sources of heat such as furnace registers radiators etc Do not place the unit near sources of excessive moisture such as evaporative coolers humidifiers etc The power cord should be routed in such a way that it will not be walked on pinched or compressed in any way that could result in damaging the insulation or wire SELECTING THE SUBWOOFER S TO BE CONTROLLED Your SC 1250 can control a variety of Velodyne 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 The SC 1250 comes with a default setting for the SC 10 subwoofer When the unit is first powered up the model being controlled is displayed for two seconds on the numeric LED before the display reverts to the volume setting To change the subwoofer to be controlled power up the unit while depressing any of the buttons on the front panel crossover UP or DOWN or power UP or DOWN The unit will show the model it is currently controlling To change the m
6. qualifizierten Kundendiensttechnikern durchf hren lassen Das Symbol Blitz mit Pfeilspitze soll den Benutzer warnen dass im Geh use des Produkts eine nicht isolierte gef hrliche Spannung vorhanden ist die so hoch sein kann dass die Gefahr von f r Menschen gefahrlichen Stromschlagen besteht Das Symbol Ausrufezeichen soll den Benutzer auf wichtige Bedienungs und Wartungshinweise in der Begleitdokumentation des Subwoofers aufmerksam machen 1 Anweisungen durchlesen Lesen Sie s mtliche Sicherheits und Bedienungshinweise bevor Sie den Subwoofer in Betrieb nehmen 2 Anweisungen aufbewahren Bewahren Sie die Sicherheits und Bedienungshinweise zum sp teren Nachschlagen auf 3 Warnungen beachten Ber cksichtigen Sie alle Warnungen auf dem Subwoofer und in der Bedienungsanleitung Anweisungen befolgen Folgen Sie Bedienungs und Verwendungshinweisen 5 Wasser und Feuchtigkeit Verwenden Sie den Subwoofer nicht in der N he von Wasser z an Badewannen Wasch oder Sp lbecken in einem feuchten Keller am Schwimmbeckenrand o 6 Rollwagen und St nder Der Subwoofer sollte nur mit einem vom Hersteller empfohlenen Wagen oder St nder verwendet werden 7 Wand oder Deckenmontage Eine Wand oder Deckenmontage des Subwoofers darf nur gem den Herstellerempfehlungen erfolgen 8 Bel ftung Der Subwoofer muss so positioniert werden dass am Installationsort eine unbehinderte Luftzirkulation m glich ist B
7. temp voice coil Oversized spider for linearity at high excursion High excursion EPDM rubber surround 107 ounce magnet 204 ounce motor structure Frequency Response 28 120 Hz 3 dB 8 ohm impedance SC 10 10 8 piston diameter subwoofer 3 high temperature inside outside voice coil Oversized spider for linearity at high excursion High excursion EPDM rubber surround 162 ounce magnet 346 ounce motor structure Magnetically shielded for video use Frequency Response 24 120Hz 3 dB 8 ohm impedance SC 12 12 9 7 piston diameter subwoofer 8 high temperature inside outside voice coil Oversized spider for linearity at high excursion 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 SC 15 15 12 7 piston diameter subwoofer 3 high temperature inside outside voice coil Oversized spider for linearity at high excursion 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 SC IW In Wall 4 x 14 rectangular driver 3 x 13 25 piston diameter with flat Carbon Fibre Rohacell Carbon Fiber sandwich diaphragm Neodymium magnet structure Quad spider configuration with upper lower spider modules High excu
8. use this feature first plug the supplied microphone into the Mic In jack on the back panel of the subwoofer and place the mic in your preferred listening position Then by pressing EQ on the remote the subwoofer emits 12 sweep tones that cover the frequencies between 20 and 150 Hz The LED displays AU during the Auto EQ process After the sweeps are complete the unit saves its EQ settings and returns to normal operation prevent accidental invocation of the EQ feature you must hold down the EQ button for 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 EG operation In this case the previous EG settings will be preserved e PHASE These buttons allow you to optimize the subwoofer performance for the location and your listening position Select the switch position at which you hear the most bass The LED will show the phase selected by showing PH followed by the phase number e LIGHT If you wish you can deactivate the numeric LED on your SC 1250 To do this press the LIGHT button on your remote To reactivate the LED press the LIGHT button again e NIGHT Night mode limits the maximum output of the subwoofer for late night listening or to be more considerate of close neighbors Press the night button to turn the night mode feature on or off
9. BEL 115V 60Hz T6 3AL 250V MAIN LEVEL ird 1 1776999 oo 2 sa 5886 eo MAIN ARENA LEVEL DM Speaker Level Signal from Source Speaker Out AN Receiver SC Subwoofer Figure 5 Speaker Level Connection WWW VELODYNE COM SubContractor User s Manual 8 18 Speaker Level Input Terminals See Figure 5 Connect these input terminals to the speaker output terminals of your amplifier or receiver If you use this method of connection when you go to the receiver speaker set up menu make sure you select the large speaker option 19 Subwoofer Connection Terminals Connect these output terminals to the subwoofer s being controlled by the SC 1250 Only connect ONE subwoofer per red black pair of subwoofer output terminals DO NOT connect the subwoofers in a daisy chain configuration Note SC series subwoofers are designed so that TWO subwoofers be driven from a single SC 1250 amplifier If you are using the SC 1250 to power a non SC subwoofer make sure you check the resistance of the subwoofer s voice coil A SINGLE 4 ohm subwoofer can be driven with the SC 1250 but not TWO 4 ohm woofers If you attempt to run more than single 4 ohm subwoofer internal protection circuitry will activate within the SC 1250 Caution To avoid damage to your SC 1250 be sure to maintain correct polarity when making all connections Hed positive to red and black negative to black Be sure that all conn
10. Music Christian and Gospel Jazz Classical Classic Rock R amp B Rock Classical Jazz Classical Dance and DJ Hard Rock Heavy Meta Latin Music Miscellaneous Jazz Classical Movies Jazz Classical Non Action Adventure New Age Opera and Vocal ASE Rap and HipHop Soundtracks R amp B Rock or Jazz Classical WWW VELODYNE COM SubContractor User s Manual 13 Each preset has its own characteristics with respect to subsonic filter volume differential a single equalizer EG in order to optimize the listening mode for the preset The following table shows the settings for the various presets Subsonic Filter EG Volume Frequency Frequency Differential R amp B Rock Reference RESTORING DEFAULTS There is a feature that allows you to restore default settings for your SC 1250 By pressing presets in EXACTLY the following order on the remote the unit s power light will blink indicating that you have restored defaults Preset 1 Movies Preset 2 R amp B Rock Preset 3 Jazz Classical Preset 4 Games Preset 4 Games Preset 3 Jazz Classical Preset 2 R amp B Rock Preset 1 Movies When you press the presets in the above order the numeric LED will display P3 indicating that you have restored defaults The unit s volume is reset to level out of 80 CARE OF YOUR AMPLIFIER AND SUBWOOFER Do not use any harsh detergents or chemicals to clean the SC 1250 chassis or the subwoofer
11. Night mode when active is indicated by the reduced intensity of the power LED e VOLUME CONTROL This control allows you to balance the output from the subwoofer to the main speakers in your system This control should be set to achieve similar volume level from between both the main speakers and subwoofer When pressing volume up or down the volume level is shown on the numeric LED on the front panel Note The volume can also be adjusted via the volume buttons on the front panel of the amplifier These buttons have the same effect as pressing the up and down volume buttons on your remote WWW VELODYNE COM SubContractor User s Manual 12 PRESETS There are 4 presets consisting of Movies R amp B Rock Jazz Classical and Games As a preset is chosen the preset is shown on the numeric LED as P1 for preset 1 P2 for preset 2 etc The presets provide the following characteristics for bass reproduction Movies Maximum output and impact for explosions and other action adventure movie content R amp B Rock Provides the driving bass found in today s rock music Jazz Classical The tightest cleanest lowest distortion bass Games Maximum loudness available for the impact of video games The following table indicates musical style and which preset is recommended for it MUSICAL STYLE Action Adventure Movies Movies Country Sof Falk Indie Music Hock Alternative Hock Blues Broadway and Vocalists Children s
12. SUBCONTRACTOR SERIES AMPLIFIER SUBWOOFERS USER S MANUAL SC 1250 Amplifier SC 8 SC 10 SC 12 SC 15 SC IW SC IF SC IC Subwoofers Velodyne CAUTION CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN Caution To reduce the risk of electric shock do not remove cover or backpanel No user serviceable parts inside Refer servicing to qualified service personnel The lightning flash with arrowhead symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock The exclamation point symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the amplifier Read Instructions All safety and operating instructions should be read before the amplifier is operated Retain Instructions The safety and operating instructions should be retained for future reference Heed Warnings All warnings on the amplifier and in the operating instructions should be adhered to Follow Instructions All operating and use instructions should be followed Water and Moisture The amplifier should not be used near water for example near a bathtub washbowl kitchen sink laundry tub in a wet basement near a swimming pool or the like 6 Carts and Stands The amplifier should be used only wi
13. 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 SubContractor User s Manual 9 You should set the crossover frequency to obtain a smooth seamless transition from the subwoofer s to the main speakers in your system If your main speakers are smaller units with limited low frequency output you may wish to choose a higher frequency such as 100 120 Hz than you would with larger speakers which have greater low frequency output With larger speakers you might start with this control set lower such as 80 Hz Most receivers and processors provide an option to characterize main speakers as large or small This affects the crossover point VVe recommend in most cases setting the main speakers to small despite their size and frequency response characteristics This is because the powerful 1250 watt SC 1250 combined with the SC subwoofer s you have acquired are more than likely more suited to low bass reproduction than your amp and main speaker combination With the burden of low frequency reproduction relieved your amplifier and main speaker combination will enjoy better performance and about 50 more available headroom enabling them to more accurately reproduce the rest of the frequency spectrum Disabling the Low Pass Crossover Subwoofer Direct If your re
14. ation lt 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 3 Mic Input Connect the supplied microphone for the Auto EQ feature to this mini jack 4 Remote Eye This is the eye that receives infrared commands from the supplied remote WWW VELODYNE COM SubContractor User s Manual 3 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
15. ceiver processor provides a crossover to the subwoofer s you may want to bypass the SC 1250 s low pass crossover To do this depress BOTH the Crossover UP and Crossover DOWN buttons simultaneously The numeric LED will show indicating that the low pass crossover has been defeated To reactivate the low pass crossover simply push the crossover UP or crossover DOWN buttons A Word About Your Receiver s Crossover and the SC 1250 Crossover Your Velodyne SC 1250 amplifier is designed to operate using the full range audio signal for input when using the built in crossover controlled by the dial on the back panel Many home theater processors receivers Dolby Digital DTS THX have a subwoofer 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 f 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 A Word About Interconnect Cables When installing your Velodyne SC 1250 using the line level connections you should always use h
16. ections are tight and that there are no loose strands or frayed wires 20 Power Cord Adaptor Connect the detachable 117V 60Hz 15A AC power plug to this male interface connection The detachable cord allows for easy replacement should the original be damaged 21 Fuse If the unit is not functioning check the fuse If the fuse is blown replace with an identically rated fuse If the fuse blows again refer the unit for service 22 Master Power Switch Press the POWER switch to the ON position to activate the amplifier If the unit is to be left unused for an extended period of time move this switch to the OFF position to prolong the life of the amplifier REAR PANEL CONNECTIONS DETAILED EXPLANATION The SC 1250 is equipped with both speaker level and line level inputs Use the RCA Phono type INPUT jacks when connecting from a pre amp signal processor or line level crossover The SPEAKER LEVEL INPUT jacks connect directly to the speaker outputs of an integrated amplifier or receiver Your amplifier section will notice no additional loading effects when you use these inputs because of their high impedance 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
17. eispielsweise darf der Subwoofer nicht auf einem Bett Sofa oder Teppich oder auf einer hnlichen Oberfl che aufgestellt werden die die Bel ftungs ffnungen abdeckt auch die Aufstellung in einem B cherregal oder Schrank ist nicht zul ssig wenn dies den Luftstrom durch die Bel ftungs ffnungen behindern w rde 9 W rme Der Subwoofer darf nicht in der N he von W rmequellen wie Heizk rpern Heizluftausstr mern fen oder weiteren Warme abstrahlenden Subwoofern installiert werden 10 Stromversorgung Der Subwoofer darf ausschlie lich an eine Stromversorgung mit den Daten angeschlossen werden die in der Bedienungsanleitung angegeben oder auf dem Subwoofer aufgedruckt sind 11 Schutz des Netzkabels Netzkabel m ssen so verlegt werden dass keine Personen darauf treten und dass sie nicht von darauf oder daneben abgestellten Gegenst nden gequetscht werden k nnen Besonders gef hrdet sind die Kabel in der N he von Steckern und Steckdosen sowie am Geh useeintritt in den Subwoofer 12 Vorsicht Zur Vermeidung von Stromschl gen muss der breite Steckerkontakt vollst ndig in den breiten Schlitz eingef hrt werden 13 Reinigung Der Subwoofer darf nur gema den Herstellerempfehlungen gereinigt werden 14 Nichtbenutzung Das Netzkabel des Subwoofers sollte von der Steckdose abgezogen werden wenn das Ger t l ngere Zeit nicht verwendet wird 15 Eindringen von Gegenst nden und Fl ssigkeiten Achten Sie darauf dass ke
18. ere collocato su letti divani tappeti o qualunque superficie del genere che possa ostruire le fessure di ventilazione inoltre non deve essere montato a incasso come in librerie mobiletti in modo da ostacolare il flusso dell aria attraverso le fessure di ventilazione 9 Calore Il subwoofer deve essere collocato lontano da sorgenti di calore come radiatori diffusori di aria calda stufe o altri subwoofer che generano calore 10 Sorgenti di alimentazione Il subwoofer deve essere collegato solo a una sorgente di alimentazione del tipo descritto nelle istruzioni per l uso o indicata sul subwoofer stesso 11 Protezione dei cavetti di alimentazione Disporre i cavetti di alimentazione in modo che non possano essere calpestati o schiacciati da oggetti collocati sopra o contro di essi facendo particolare attenzione vicino alle spine alle prese e nei punti in cui i cavetti escono dal subwoofer 12 Attenzione per evitare scosse elettriche inserire a fondo la lamella larga della spina nella fessura larga della presa 13 Pulizia Pulire il subwoofer solo come raccomandato dal produttore 14 Periodi di non uso Quando non si usa il subwoofer per un lungo periodo di tempo staccare dalla presa elettrica il cavetto di alimentazione 15 Penetrazione di liquidi e oggetti Evitare con attenzione la caduta di oggetti e la penetrazione di liquidi all interno della cassa 16 Danni che richiedono manutenzione Il subwo
19. hey 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 e Amplifier 3000 watts dynamic 1250 watts RMS high efficiency Class D e DSP controlled 4 selectable presets for customized listening mode Automatic 7 band room equalizer microphone included Night mode setting e Mute control e Adjustable to 160 Hz low pass crossover defeatable e Line level RCA inputs and outputs e Speaker level inputs with 5 way binding post connections e Signal sensing auto turn on off defeatable e Variable volume control e Selectable phase control 90 180 or 270 degrees e Built in adjustable digital low pass crossover with 24 dB octave slope e Driver Displacement Control software to prevent over excursion and amp clipping e Blue power indicator LED e RS 232 Serial Interface e 12 Volt trigger e Universal remote input jack e Ability to drive up to TWO subwoofers If two subwoofers are driven they must each have 8 ohm or higher impedence SC Series subwoofers be run in this fashion If a more traditional 4 ohm subwoofer is driven with the SC 1250 only one can be driven WWW VELODYNE COM SubContractor User s Manual 1 SC 8 SC 10 SC 12 SC 15 SC IW SC IF IC Subwoofers SC 8 8 6 5 piston diameter subwoofer 2 5 high
20. hnician 1 2 3 WWW VELODYNE COM The power cord has become damaged The unit does not appear to operate normally or exhibits a marked change in performance The unit has been exposed to water Some part of the chassis or circuitry is physically damaged Thank You for Purchasing an SC 1250 SubContractor User s Manual 15 Specification Amplifier Class D High Pass Crossover Low Pass Crossover Outputs Dimensions H W D inc feet amp grill Warranty parts labor Shipping Weight approx Specifications Woofer Frequency Response dB Harmonic Distortion Magnet Structure Voice Coil Video Shielded Dimensions H W D inc feet amp grill Cabinet Warranty parts labor Shipping Weight approx SC 1250 Subwoofer Amplifier SPECIFICATIONS 3000 watts Dynamic 1250 watts RMS Power 80Hz 6 dB octave 30Hz 160Hz Defeatable 24 dB octave slope Line and Speaker Level Line level 80 Hz up speaker level for up to two subwoofers 0 90 180 270 4 25 x 17 0 x 13 0 10 8 x 43 2 x 33 1 cm Allow two extra inches in depth for wire connectors and power cable Includes feet Feet can be removed for rack mount use Unit is approximately two rack units high Two years 25 1 5 22 7 Kg 8 forward firing 6 5 piston diameter 10 forward firing 8 piston diameter 12 forward firing 9 7 piston diameter
21. igh quality shielded interconnect cables It is recommended that you keep the length of cable as short as possible to avoid any potential external interference problems When connecting the SC 1250 to your subwoofer s use a quality speaker cable that is at least 14 gauge Be very careful to avoid any loose or frayed strands that could result in a short causing a dangerous condition and possible damage to your unit Cables of extremely large size are typically not required Extremely large gauge wire may not properly fit in the binding posts resulting in a poor connection and possible short circuits WWW VELODYNE COM SubContractor User s Manual 10 Word About Subwoofer Placement Subwoofers operate at extremely low frequencies which are primarily omni directional Keep in mind that frequency response and output level can be drastically influenced by placement depending on the acoustic properties of the listening room Typically the optimum location for a subwoofer is in a front corner of your listening room This location will usually offer the greatest output levels and optimum low frequency extension The worst location for a subwoofer is typically far away from any walls close to the center of your room and near an opening or doorway Avoid these locations when possible When using a pair of SC subwoofers in stereo it is preferable to place each subwoofer by the satellite of the same channel Typically a minimum distance of one to two feet
22. ine Gegenst nde in das Geh use fallen und keine Fl ssigkeiten dar ber versch ttet werden 16 Zu reparierende Sch den In den folgenden F llen muss der Subwoofer durch den qualifizierten Kundendienst repariert werden a Das Netzkabel oder der Netzstecker wurde besch digt b In den Subwoofer sind Gegenst nde gefallen oder Fl ssigkeit wurde dar ber versch ttet c Der Subwoofer ist im Regen nass geworden d Der Subwoofer scheint nicht wie gewohnt zu funktionieren oder weist eine deutlich ver nderte Leistung auf e Der Subwoofer wurde fallen gelassen oder besch digt 17 Wartung Versuchen Sie nicht Wartungsarbeiten am Subwoofer durchzuf hren die ber den Umfang der in der Bedienungsanleitung beschriebenen hinausgehen 18 Das Ger t darf keinem Tropf oder Spritzwasser ausgesetzt werden und es d rfen keine mit Wasser gef llten Gegenstande wie Vasen darauf abgestellt werden 19 Die Trennstelle die Ger testeckdose muss stets leicht bedienbar gut zug nglich sein Alle dar ber hinausgehenden Wartungsma nahmen d rfen ausschlie lich von entsprechend geschulten Fachkr ften durchgef hrt werden WWW VELODYNE COM SubContractor User s Manual Ill A ATTENZIONE PERICOLO DI SCOSSA ELETTRICA NON APRIRE ATTENZIONE Attenzione Per ridurre il pericolo di scossa elettrica non togliere il coperchio o la parete posteriore L interno non contiene parti su cui l utente possa inter
23. led onto the enclosure 15 Damage Requiring Service The amplifier should be serviced by qualified service personnel when a The power supply cord or plug has been damaged b Objects have fallen or liquid has been spilled into the amplifier c Theamplifier has been exposed to rain d amplifier does not appear to operate normally or exhibits a marked change in performance e Theamplifier has been dropped or damaged 16 Servicing The user should not attempt to service the amplifier beyond what is described in the operating instructions 17 apparatus shall not be exposed to dripping or splashing water and that no objects filled with liquids such as vases be placed on the apparatus 18 The disconnect device the appliance inlet shall remain readily operable easily assessable All other servicing should be referred to qualified service personnel 3 co gt WWW VELODYNE COM SubContractor User s Manual ATTENTION Risque d lectrocution Ne pas ouvrir Attention Afin d viter tout risque d lectrocution ne pas enlever le couvercle ou la partie arri re Aucune pi ce interne ne peut tre manipul e par l utilisateur Confiez l entretien un personnel qualifi Le symbole de l clair avec la fl che sert avertir l utilisateur de la pr sence d une tension dangereuse non isol e dans l enceinte du produit cette tension peut tre assez lev e pour p
24. ltration d objet ou de liquide Faire attention a ce qu aucun objet ne tombe dans l enceinte ou que des liquides ne s y infiltrent 16 Dommages n cessitant r paration L enceinte doit tre r par e uniquement par du personnel d entretien qualifi lorsque le cordon d alimentation ou la fiche a t endommag e b des objets sont tomb s dans l enceinte ou du liquide s y est infiltr C l nceinte a t expos e la pluie d l enceinte ne semble pas fonctionner normalement ou pr sente un important changement de performance e l enceinte a t chapp e ou endommag e 17 Entretien L utilisateur ne doit pas tenter d effectuer l entretien de l enceinte au del de ce qui est d crit dans les consignes de fonctionnement 18 L appareil ne doit pas tre expos un ruissellement ou un giclage d eau des objets remplis de liquides comme des vases ne doivent pas tre plac s sur l appareil 19 Le dispositif de d branchement l entr e d alimentation doit demeurer ais ment accessible Toute autre r paration doit tre confi e du personnel qualifi WWW VELODYNE COM SubContractor User s Manual Il VORSICHT GEFAHR VON STROMSCHLAGEN NICHT OFFNEN A VORSICHT Vorsicht Um der Gefahr von Stromschl gen vorzubeugen das Geh use bzw die R ckwand nicht abnehmen Im Inneren befinden sich keine Teile die vom Benutzer gewartet werden k nnen Reparatur und Wartungsarbeiten nur von entsprechend
25. n 1 25 Ibs 11 5 Kg Carton 2 25 Ibs 11 5 Kg Total 50 165 22 7 Kg 346 oz 21 6 Ibs 3 Dual Layer inner outer wind 9 3 x 14 0 x 26 23 7 x 36 x 66 cm Allow 1 2 extra inches in depth for wire Sealed enclosure Two years 57 Ibs 26 Kg 16 SubContractor User s Manual WWW VELODYNE COM APPENDIX A RS 232 SERIAL OVERVIEW AND COMMANDS Introduction This document outlines Velodyne s SubContractor SC RS 232 protocol specification This protocol indicates how SC products receive run time commands from devices such as Creston Universal Remote Controls Com Port Setup Use standard communications settings Baud Rate 9600 Data Bits 7 Parity None Stop Bits 1 SC IN and OUT Port Pin Configuration SC serial ports use a standard configuration that allows direct connection to a PC via a FEMALE to MALE serial cable It uses only three pins Transmit Receive Ground The pin configurations are IN Pin 2 Transmit Pin 3 Receive Pin 5 Ground OUT Pin 2 Receive Pin 3 Transmit Pin 5 Ground Runtime Command Format 1 to 3 or 4 Command and 3 to 4 ASCI characters see formats below Parameter Data Case sensitive CAPS ONLY Termination Character required or command is ignored WWW VELODYNE COM SubContractor User s Manual 47 RS232 Commands Command Acceptable Format n Values Volume Control 025 Sets volume to a value VO S increments volume up VO or down
26. odel simply push the crossover UP or crossover DOWN buttons to change the model Following is a chart of the subwoofers available to be controlled and the corresponding numeric LED display Model LED Display Model LED Display SC Inwall SC IW SC In Floor SC IF IF SC In Ceiling SC IC Generic Subwoofer The generic subwoofer setting is for passive subwoofers not on the above list CAUTION there is no anti clipping or anti distortion protection on this setting WWW VELODYNE COM SubContractor User s Manual 11 USAGE This section addresses day to day usage of your SC 1250 amplifier Remote Control The features of the SC 1250 remote control are listed below e POWER This button forces your SC 1250 unit into standby mode The power LED turns amber the numeric LED shuts off and the amplifier puts out no power The unit will remain in this mode until the POWER button is pressed again fully deactivate i e power down the unit press the power switch on the front panel Note The master power switch on rear panel must be on in order for the front power button to function e MUTE This button mutes the subwoofer The LED on the amplifier will show OO if the unit is muted To unmute the subwoofer press the MUTE button again and the original volume setting shows on the LED Figure 6 SC 1250 Remote e EQ This button automatically EQs the subwoofer using a 7 band internal graphic equalizer To
27. ofer deve essere riparato da personale tecnico qualificato in caso di a danni al cavetto o alla spina di alimentazione b caduta di oggetti e penetrazione di liquidi all interno della cassa c esposizione del subwoofer alla pioggia d funzionamento anomalo o notevole cambiamento nelle prestazioni del subwoofer e caduta o danni del subwoofer 17 Manutenzione L utente non deve provare a intervenire sul subwoofer oltre quanto descritto nelle istruzioni per l uso 18 L apparecchiatura non deve essere esposta a schizzi o gocciolamento di acqua e su di essa non devono essere collocati oggetti contenenti liquidi come ad esempio vasi 19 Il dispositivo di disconnessione la presa di alimentazione deve rimanere facilmente azionabile facilmente accessibile Per tutti gli altri interventi rivolgersi a personale tecnico qualificato WWW VELODYNE COM SubContractor User s Manual IV TABLE OF CONTENTS OPI Coi et Rie hei 1 Pr duet Features vss eq uade 1 SC 1250 Subwoofer Amplifier 1 SC 8 SC 10 SC 12 SC 15 SC IW SC IF Woofers 2 Installation zagen rata EIS i 3 Front Panel Controls and Displays 3 Rear Panel Connections 4 About Low Pass Crossovers 9
28. or requests 0 current volume setting Preset Control PS1 PS2 Activates the indicated PS3 PS4 preset or requests PS the current preset Logo Light Light Off Turns the Logo Light Control 1 Light On on or off or requests light state Night Mode Night Activates Deactivates Control Mode Off Night Mode or 1 Night requests light Mode On mode state Mute Control O Mute Off Mutes Unmutes the 1 Mute On woofer or requests mute state Power Control Power Off Powers On Powers 1 Power On Off the woofer or requests power state WWW VELODYNE COM SubContractor User s Manual 18 OTHER VELODYNE SUBWOOFER PRODUCTS 110V 230V Digital Drive 1812 MiniVee Digital Drive 1812 sms 1 Signature Edition Signature Edition sms 1 SPL 800i DD Series CHT R Series DD 10 SPL R Series CHT 8R SPL R Series DD 12 SPL BOOR CHT 10R SPL BOOR DD 15 SPL 1000R CHT 12R SPL 1000R DD 18 SPL 1200R 15 SPL 1200R SPL 1500R SPL 1500R DLS R Series _ DD Series DLS 3500R VRP Series DD 10 DLS 3750R VRF TOOG DD 12 DLS 4000R DD 15 DLS 5000R DD 18 VX Series DPS Series DPS 10 DPS 12 WWW VELODYNE COM SubContractor User s Manual 19 LIMITED WARRANTY VELODYNE ACOUSTICS Inc VELODYNE warrants all electronics and powered subwoofers for a period of two years and full range speakers for a period of five years All VELODYNE products have a warranty from the date of purchase against defects in ma
29. placer le caisson sur un lit un canap une moquette ou une surface semblable qui peut bloquer les ouvertures de ventilation ne pas poser le caisson sur un meuble encastr comme une biblioth que ou un meuble qui peut emp cher l air de circuler par les ouvertures de ventilation 9 Chaleur loigner le caisson d extr mes graves des sources de chaleur comme les radiateurs les registres d air chaud les cuisini res ou d autres caissons d extr mes graves qui d gagent de la chaleur 10 Sources d lectricit Le caisson d extr mes graves doit tre raccord uniquement une prise d alimentation d un type d crit dans les consignes de fonctionnement ou tel que mentionn sur le caisson 11 Protection du cordon d alimentation Les cordons d alimentation doivent tre achemin s pour viter que personne ne marche dessus ou que rien ne puisse tre plac sur ou contre eux il faut faire particuli rement attention aux cordons raccord s des prises lectriques des prises de service et au point de sortie du caisson 12 Attention Afin d viter tout choc lectrique introduire fond la lame la plus large de la fiche dans la borne correspondante 13 Nettoyage L enceinte doit tre nettoy e selon les recommandations du fabricant 14 P riodes de non utilisation Le cordon d alimentation de l enceinte doit tre d branch de la prise de courant lorsqu elle demeure inutilis e pendant une p riode prolong e 15 Infi
30. r or replace the product at no charge if the product is forwarded prepaid to a factory authorized service representative Products forwarded to the factory authorized service representative should be shipped securely and properly packaged insured and freight prepaid Velodyne Acoustics Inc 345 Digital Drive Morgan Hill 95037 408 465 2800 voice 408 779 9227 fax 408 779 9208 service fax www velodyne com Service E mail service velodyne com Product E mail help velodyne com Technical E mail techhelp velodyne com 63 5C1250 Rev APR 2006 WWW VELODYNE COM SubContractor User s Manual 20
31. rovoquer un danger d lectrocution pour les personnes Le symbole du point d exclamation sert avertir l utilisateur de la pr sence de consignes importantes de fonctionnement et de maintenance entretien dans la documentation accompagnant le caisson d extr mes graves 1 Lire les consignes Lisez toutes les consignes de s curit et de fonctionnement avant de faire fonctionner le caisson d extr mes graves 2 Conserver les consignes Conservez les consignes de fonctionnement pour un usage ventuel 3 Tenir compte des avertissements Il faut se conformer tous les avertissements et toutes les consignes de fonctionnement qui se trouvent sur le caisson d extr mes graves 4 Suivre les consignes Il faut se conformer toutes les consignes de fonctionnement et d utilisation 5 Eauethumidit Le caisson d extr mes graves ne doit pas tre utilis pr s de l eau par exemple pr s d un bain d un vier d un bac de lessive dans un sous sol humide pr s d une piscine etc 6 Chariots et supports Utiliser uniquement le caisson d extr mes graves avec un chariot ou un support recommand par le fabricant T Montage au mur ou au plafond Monter uniquement le caisson d extr mes graves sur un mur ou un plafond de la fagon recommand e par le fabricant 8 Ventilation Le caisson d extr mes graves doit tre situ dans un endroit ou une position qui ne nuit pas sa ventilation ad quate Par exemple ne pas
32. rsion EPDM rubber surround 3 high temperature inside outside voice coil Magnetically shielded for video use Frequency Response 22 120Hz 3 dB ohm impedance WWW VELODYNE COM SubContractor User s Manual e SC IF SC IC In Floor In Ceiling 12 9 7 piston diameter subwoofer 3 high temperature inside outside voice coil Oversized spider for linearity at high excursion 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 INSTALLATION Your new Velodyne amplifier provides for a number of installation options Read all the installation information below in order to determine which installation option is best for your system Remember to perform all installation procedures with system power turned off FRONT PANEL CONTROLS AND DISPLAYS 2 C Velo SC 1250 D POWER ie UE 2 gt i A x E 2 il g d e E Subwoofer Amplifier nis ze 8 1 4 5 6 8 Figure 1 Front Panel Connections of the SC 1250 Following are brief descriptions of the controls described in Figure 1 More detail on these controls can be found in the next section 1 Power Switch This push button style switch is the main on off for the unit 2 Power LED This LED illuminates when the power is on Blue is normal oper
33. 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 OUT TO POWER MAIN SPEAKER LEVEL OUTPUTS suewoorews e 8989 GS 69 R L nj zs 9 MAIN SPEAKER LEVEL INPUTS CAUTION 19 124 55 _ at Figure 2 Rear Panel Connections of the SC 1250 WWW VELODYNE COM SubContractor User s Manual 4 9 Thru Jacks See Figure 3A These RCA connectors are for passing along the same signal that goes into your subwoofer to a second daisy chained subwoofer The signal from these connectors is the same as the input signal 10 Line Input LFE Input See Figure amp 38 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 and feed the signal into both and L inputs Option 1 Mono LFE Line Level Connection Velody ne VAN SPEAKER LEVEL OUTPUTS SUBWOOFER cols AUTO ON OFF Le 696 Oo 6966 MAIN PENKER LEVEL peo INPUT 3 m zo SC 1250 S N LABEL 115V 60Hz T6 3AL 250V Line Level Subwoofer Signal from Source LFE
34. terials and workmanship subject to the following conditions 1 VELODYNE is not responsible for defects which result from the use of an amplifier or controller other than the one originally supplied with the unit subwoofer or defects which result from modifications or repairs made by any component of the system by anyone other than a VELODYNE factory authorized service representative 2 This warranty is void if any repairs or service covered by the terms of this warranty are made to component of the system by anyone other than a VELODYNE factory authorized service representative 3 VELODYNE is not responsible for damage caused by accidents abuse misuse natural or personal disaster or unauthorized modification The VELODYNE products are not intended for professional or commercial use and VELODYNE is not responsible for damage resulting from such use 4 The VELODYNE product warranty is limited to units that are purchased from authorized VELODYNE dealers and finalized within authorized dealer locations 5 This warranty is nontransferable under any condition TO OBTAIN SERVICE Information regarding service may be obtained from the dealer from whom you purchased the unit or by contacting VELODYNE customer service Warranty service must be performed by a VELODYNE factory authorized service representative within the warranty period set forth above If VELODYNE determines the unit is defective VELODYNE will at VELODYNE s option repai
35. th a cart or stand recommended by the manufacturer T Ventilation The amplifier should be situated so that its location or position does not interfere with its proper ventilation For example the amplifier should not be situated on a bed sofa rug or similar surface that may block the ventilation openings or placed in a built in installation such as a bookcase or cabinet that may impede the flow of air through the ventilation openings 8 The amplifier should be situated away from heat sources such as radiators heat registers stoves or other amplifiers that produce heat 9 Power Sources The amplifier should be connected to a power supply only of the type described in the operating instructions or as marked on the amplifier 10 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point at which they exit from the amplifier 11 Caution To prevent electrical shock match wide blade of plug to wide slot fully inserted 12 Cleaning The amplifier should be cleaned only as recommended by the manufacturer 13 Nonuse Periods The power cord of the amplifier should be unplugged from the outlet when left unused for a long period of time 14 Object and Liquid Entry Care should be taken so that objects do not fall and liquids are not spil
36. ture to this mini jack 13 IR Input Connect an repeater to this jack for use with universal remote systems 14 12V Trigger When this mini jack is connected the unit remains in power off mode until 12 volts is supplied across the two leads Polarity is irrelevant 15 5 232 In Use this port to communicate with a touch panel remote control See Appendix A for an explanation of the use of the serial port available commands and their formats WWW VELODYNE COM SubContractor User s Manual 7 16 Auto ON OFF Switch Use this switch to select between auto on active and auto on inactive constant on operation For maximum amplifier life we recommend using the auto on off feature 17 Speaker Level Output Terminals See Figure 5 These connections send a crossed over speaker level signal to the front speakers When connected in this fashion your satellite speakers will be crossed over at 80 Hz This removes the lower bass frequencies from your satellites enabling them to do a better job reproducing high frequencies and giving your receivers amp more headroom 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 80 Hz and Above to Satellite Speakers Right Speaker SC Subwoofer POWER OUTTO SUBWOOFER S 80 Velodyne SC 1250 mit CE QI S N LA
37. venire Per assistenza e riparazioni rivolgersi a personale tecnico qualificato Il simbolo con la freccia forma di fulmine avvisa l utente della presenza di tensioni pericolose all interno della cassa del prodotto non isolate e di intensit sufficiente a configurare un pericolo di scossa elettrica per le persone Il simbolo con il punto esclamativo avvisa l utente della presenza di importanti istruzioni di uso e manutenzione nella documentazione che accompagna il subwoofer 1 Leggere le istruzioni Prima di usare il subwoofer leggere tutte le istruzioni di uso e sicurezza 2 Conservare le istruzioni Conservare le istruzioni di uso e sicurezza per riferimento futuro 3 Rispettare le avvertenze Osservare tutte le avvertenze presenti sul subwoofer e contenute nelle istruzioni 4 Seguire le istruzioni Seguire tutte le istruzioni di uso e funzionamento 5 Acqua e umidit Il subwoofer non deve essere usato in vicinanza di acqua ad esempio vicino a vasche da bagno lavandini lavelli lavatoi in seminterrati umidi vicino a piscine o altro 6 Carrelli e supporti Il subwoofer deve essere usato solo con un carrello o supporto raccomandato dal produttore 7 Montaggio a parete o a soffitto Il subwoofer deve essere montato su pareti e soffitti solo come raccomandato dal produttore 8 Ventilazione Il subwoofer deve essere posizionato in modo da non pregiudicarne la ventilazione Ad esempio non deve ess
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