SC1250A User Guide
Contents
1. 640084 saponi Ed S 82 6 nas dee od tee 15 Care of Your Amplifier and Subwoofer 15 Troubleshooting and Service 15 Specifications u u 4e muse EE Ee Ra OS 17 Appendix A RS 232 Serial Overview and Commands 18 WWW VELODYNE COM SubContractor User s Manual V 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 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 e DSP controlled A selectable2. Speaker Level Signal from Source Speaker Out ANN Receiver SC Subwoofer Figure 5 Speaker Level Connection WWW VELODYNE COM SubContractor User s Manual 8 18 Speaker Level Input Terminals 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 can 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 a 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 connections are tight and that there are no loose strands or frayed wires 20 Power Cord Adaptor Connect the detachable 1
3. S N LABEL 115V 60Hz T6 3AL 250V Line Level Subwoofer Signal from Source LFE NOTE A Y Connector can be used as an option SC Subwoofer SC Subwoofer Figure Mono 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 SUBWOOFER S A Velodyne SC 1250 THRU INPUT MAIN cen LEVEL nds AUTO ON OFF ACTIVE INACTIVE R B amp S LB t o 80 LEVEL heure S N LABEL 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 Velodyne SC 1250 Amplifier AUTO ON OFF ACTIVE INACTIVE THRU INPUT E S N LABEL 115V 60Hz T6 3AL 250V mE siu INPUT I EL 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 feature to this mini jack 13 IR Input Connect an IR repeater to this jack for use with universal remote systems 14 12V
4. 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 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 high quality shielded interconnect cables It is recommended that you keep the length of cable as short as possible to avoid
5. 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 RS 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 the Auto ON OFF Active setting 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 80 Hz and Above OF to Satellite Speakers Right Speaker Left Speaker SC Subwoofer Velodyne MAIN SPEAKER LEVEL OUTPUTS SUHOOFER 56 1250 Amplifier 7 BOBS 4 0 T il B ee OFF 115V 60Hz sum LABEL T6 3AL 250V MAIN ke LEVEL eus a IL INPUT J i Speaker Level Connection
6. 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 A 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 from your TV to the subwoofer will be adequate to avoid any magnetic interference Remember that the built in 7 band
7. high excursion High excursion EPDM rubber surround 162 ounce magnet 346 ounce motor structure Magnetically shielded for video use Frequency Response 24 120Hz dB 8 ohm impedance SC 12 12 8 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 dB 8 ohm impedance SC 15 15 12 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 348 ounce motor structure Magnetically shielded for video use Frequency Response 22 120Hz 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 excursion EPDM rubber surround 8 high temperature inside outside voice coil Magnetically shielded for video use Frequency Response 22 120Hz dB 8 ohm impedance WWW VELODYNE COM SubContractor User s Manual e SC IF SC IC In Floor In Ceiling 12 9 7 piston diameter subwoofer 8 high temperature inside outside voic
8. 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 30 out of 80 CARE OF YOUR MPLIFIER AND SUBWOOFER Do not use any harsh detergents or chemicals to clean the 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 SubContractor User s Manual 15 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 mI NO 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 ha
9. seule fa on Il s agit d un dispositif de s curit Si vous n tes pas en mesure d ins rer la fiche dans la prise de courant essayez d inverser la fiche Si la fiche ne correspond pas la prise consultez un lectricien pour faire remplacer la prise d su te Ne pas rendre inop rante la s curit offerte par la fiche polaris e 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 produit Nettoyage Le produit doit tre nettoy selon les recommandations du fabricant P riodes de non utilisation Le cordon d alimentation du produit doit tre d branch de la prise de courant lorsqu il demeure inutilis pendant une p riode prolong e Infiltration d objet ou de liquide Faire attention ce qu aucun objet ne tombe dans le produit ou que des liquides ne s y infiltrent Dommages n cessitant r paration Le produit doit tre r par uniquement par du personnel d entretien qualifi lorsque a le cordon d alimentation ou la fiche a t endommag e b des objets sont tomb s dans le produit ou du liquide s y est infiltr c le produit a t expos la pluie d le produit ne semble pas fonctionner normalement ou pr sente un important change
10. 00R Ya TeOU DD 15 DLS 5000R DD 18 VX Series DPS Series VASE DPS 10 DPS 12 WWW VELODYNE COM SubContractor User s Manual 20 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 materials 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 any 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 un
11. 17V 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 allows you to adjust the upper limit of the subwoofer s frequency response from 30 to 160 Hz The subwoofer s response will
12. 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 18 RS232 Commands Command Acceptable Format n Values Volume Control V025 Sets volume to a value VO S increments volume up VO or down or requests VO current volume setting Preset Control PS1 PS2 Activates the indicated PS3 PS4 preset or requests PS the current preset Logo Light O Light Off Turns the Logo Light Control 1 Light On on or off or requests light state Night Mode O 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 O Power Off Powers On Powers 1 Power On Off the woofer or requests power state WWW VELODYNE COM SubContractor User s Manual 19 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 CHT 15R SPL 1200R SPL 1500R SPL 1500R DLS R Series DD Series DLS 3500R VRP Series DD 10 DLS 3750R DD 12 DLS 40
13. 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 amplifier next to sources of heat such as furnace registers radiators etc Likewise do not place the amplifier 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 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 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 2 seconds on the numeric LED before the display reverts to the volume setting The subwoofer to be controlled is shown as follows Model LED Display Model LED Display SC In Wall SC IW SC In Floor SC IF SC In Ceiling SC IC cc Generic Subwoofer The generic subwoofer setting is for passive subwoofers not on the above list CAUTION there is no anti clipping or anti
14. 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 IMPORTANT SAFETY INSTRUCTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN 3 Caution To reduce the risk of electric shock do not remove cover or back 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 to persons 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 subwoofer 1 Read Instructions All safety and operating instructions should be read before the product is operated 2 Retain Instructions The safety and operating instructions should be retained for future reference 3 Heed Warnings All warnings on the product and in the operating instructions should be adhered to 4 Follow Instructions All operating and use instructions should be followed 5 Water and Moisture The product 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 a
15. ately two rack units high Warranty Two years parts labor Shipping Weight 25 Ibs 22 7 Kg approx The following subwoofers are designed to work with the SC 1250 Specifications SC IW In Wall SC IF In Floor SC IC In Ceiling Woofer 8 forward firing 10 forward firing 12 forward firing 15 forward firing 4 x 14 rectangular 12 9 7 piston diameter subwoofer 6 5 piston diameter 8 piston diameter 9 7 piston diameter 12 7 piston diameter driver 3 x 13 25 piston dimensions Frequency Response 28 120Hz 24 120Hz 22 120Hz 22 120Hz 22 120Hz 22 120Hz 3 dB Harmonic Distortion lt 5 typical lt 5 typical lt 5 typical lt 5 typical lt 5 typical lt 5 typical Magnet Structure 204 oz Ferrite 346 oz Ferrite 346 oz Ferrite 346 oz Ferrite 275 oz Neodymium 346 oz 12 7 165 21 6 Ibs 21 6 Ibs 21 6 Ibs motor structure 21 6 Ibs Voice Coil 2 5 Dual Layer inner 3 Dual Layer 3 Dual Layer 3 Dual Layer inner 3 Dual Layer 3 Dual Layer outer wind inner outer wind inner outer wind outer wind inner outer wind inner outer wind Video Shielded Dimensions H W D 10 75 x 10 5 x 9 25 12 75 x 12 375 x 9 5 15 x 14 5 x 10 25 18 5 x 18 25 x 13 5 27 x 13 90 x 3 70 9 3 x 14 0 x 26 inc feet amp grill 27 3 x 26 7 x 23 4 cm 32 4x 31 5 x 24 2 cm 38 1 x 66 1 x 26 1 cm 27 4 x 26 4 x 34 cm 68 6 x 35 3 x 9 4 cm 23 7 x 36 x 66 cm Allow 1 2 extra i
16. 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 and 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 The SC 1250 crossover has a default of 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 receiver processor provides a crossover to the subwoofer s you may want to bypass
17. chen soll den Benutzer auf wichtige Bedienungs und Wartungshinweise in der Begleitdokumentation des Produkts aufmerksam machen nm No 10 11 12 13 14 15 16 17 18 19 Anweisungen durchlesen Lesen Sie s mtliche Sicherheits und Bedienungshinweise bevor Sie das Produkt in Betrieb nehmen Anweisungen aufbewahren Bewahren Sie die Sicherheits und Bedienungshinweise zum sp teren Nachschlagen auf Warnungen beachten Ber cksichtigen Sie alle Warnungen auf dem Produkt und in der Bedienungsanleitung Anweisungen befolgen Folgen Sie allen Bedienungs und Verwendungshinweisen Wasser und Feuchtigkeit Verwenden Sie das Produkt nicht in der N he von Wasser z B an Badewannen Wasch oder Sp lbecken in einem feuchten Keller am Schwimmbeckenrand o Rollwagen und St nder Das Produkt sollte nur mit einem vom Hersteller empfohlenen Wagen oder Stativ verwendet werden Wand oder Deckenmontage Eine Wand oder Deckenmontage des Produkts darf nur gem den Herstellerempfehlungen erfolgen Bel ftung Das Produkt muss so positioniert werden dass am Installationsort eine unbehinderte Luftzirkulation m glich ist Beispielsweise darf das Produkt nicht auf einem Bett Sofa oder Teppich oder auf einer hnlichen Oberfl che aufgestellt werden die die Bel ftungs ffnungen berdecken kann auch die Aufstellung in einem B cherregal oder Schrank ist nicht zul ssig wenn dies den L
18. der 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 option repair 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 CA 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 RevC OCT 2006 WWW VELODYNE COM SubContractor User s Manual 21
19. des Produkts sollte abgezogen werden wenn das Ger t l ngere Zeit nicht verwendet wird Eindringen von Gegenst nden und Fl ssigkeiten Achten Sie darauf dass keine Gegenst nde in das Produkt fallen und keine Fl ssigkeiten dar ber versch ttet werden Zu reparierende Sch den In den folgenden F llen muss das Produkt durch den qualifizierten Kundendienst repariert werden a Das Netzkabel oder der Netzstecker wurde besch digt b In das Produkt sind Gegenst nde gefallen oder Fl ssigkeit wurde dar ber versch ttet c Das Produkt ist im Regen nass geworden d Das Produkt scheint nicht wie gewohnt zu funktionieren oder weist eine deutlich ver nderte Leistung auf e Das Produkt wurde fallen gelassen oder besch digt Wartung Versuchen Sie nicht Wartungsarbeiten am Produkt durchzuf hren die ber den Umfang der in der Bedienungsanleitung beschriebenen Ma nahmen hinausgehen Alle dar ber hinausgehenden Wartungsma nahmen d rfen ausschlie lich von entsprechend geschulten Fachkr ften durchgef hrt werden Blitzschlag Damit das Produkt bei einem Gewitter oder w hrend l ngerer Abwesenheit und Nichtbenutzung zus tzlich gesch tzt ist sollte der Netzstecker in diesen F llen abgezogen werden berlast Wandsteckdosen Verl ngerungskabel oder integrierte Steckdosen nicht berlasten da dadurch die Gefahr von Br nden oder Stromschl gen entstehen kann VORSICHT SCHUTZ DES NETZKABELS Zur Vermeidung von Strom
20. distortion protection on this setting To change the subwoofer to be controlled first power down the amplifier using the power switch on the back panel DO NOT use the power button on the front panel Then turn the switch on while depressing any of the buttons on the front panel crossover up or down or volume up or down The unit will show the model it is currently controlling To change the model simply push the crossover up or crossover down buttons and the model changes on the LED display Once the desired model is seen on the LED display simply release the button You don t need to do anything else the model to be controlled is automatically stored in the SC 1250 s WWW VELODYNE COM SubContractor User s Manual 11 memory To exit model selection mode use the power switch on the back panel to power down and power up the unit You should see the model you selected for 2 seconds on the LED display before the display reverts to the volume Using the SC 1250 to Drive Two Subwoofers Once the model selection process is completed no other adjustments are needed to enable the SC 1250 to drive one or two subwoofers USAGE This section addresses day to day usgae 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 r
21. e 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 SETUP CHECKLIST Be sure to do the following to ensure the best performance from your subwoofer s Q If possible optimize the placement of the subwoofer s in the listening area See page 11 of the User s Manual Install and wire the subwoofer per the instructions on pages 3 9 Select the proper model per the instructions on page 11 Be sure the low pass crossover is set correctly See pages 9 10 Be sure to equalize the subwoofer using the microphone and Auto EQ feature Be sure to set the phase control on the remote See page 12 Select the correct preset for the source material See pages 13 14 Your new Velodyne amplifier provides for 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 INSTALLATION FRONT PANEL CONTROLS AND DISPLAYS Velodyne SC 1250 x j POWER C SE Subwoofer Amplifier Figure 1 Front Panel Connections of the SC 1250 Following are brief descriptions of the controls described in Figure 1 Mor
22. e 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 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 WWW VELODYNE COM SubContractor User s Manual 3 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 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 indicat
23. e 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 product 13 Cleaning The product should be cleaned only as recommended by the manufacturer 14 Nonuse Periods The power cord of the product should be unplugged from the outlet when left unused for a long period of time 15 Object and Liquid Entry Care should be taken so that objects do not fall and liquids are not spilled onto the enclosure 16 Damage Requiring Service The product 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 product c The product has been exposed to rain d The product does not appear to operate normally or exhibits a marked change in performance e The product has been dropped or damaged 17 Servicing The user should not attempt to service the product beyond what is described in the operating instructions All other servicing should be referred to qualified service personnel 18 Lightning For added protection for the product during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet 19 Overloading Do not overload wall outlets extension cords or integral convenience receptacles as this can result in a risk of fire or el
24. ectric shock CAUTION To prevent electrical shock match wide blade of plug to wide slot fully inserted WWW VELODYNE COM SubContractor User s Manual ATTENTION CONSIGNE DE S CURIT IMPORTANTES f Risque di lectrocution Ne pas ouvrir A 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 provoquer 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 WWW VELODYNE COM Lire les consignes Lisez toutes les consignes de s curit et de fonctionnement avant de faire fonctionner ce produit Conserver les consignes Conservez les consignes de fonctionnement pour un usage ventuel Tenir compte des avertissements Il faut se conformer tous les avertissements et toutes les consignes de fonctionnement qui se trouvent sur le produit Suivre les consignes faut se conformer toutes les consignes de fonctionnement et d utilisat
25. emain in this mode until the POWER button is pressed again To 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 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 EG This button automatically EQs the subwoofer using 7 band internal graphic equalizer To 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 To 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 Ifthe 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 EG settings will be preserved e PHASE These buttons allow you to optimize the s
26. ing 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 The flattest frequency response of the four presets Games Maximum loudness available for the impact of video games WWW VELODYNE COM SubContractor User s Manual 13 The following table indicates musical style and which preset is recommended for it MUSICAL STYLE SUGGESTED PRESET Action Adventure Movies Movies Country Rock R amp B Rock Country Soft Jazz Classical Folk Jazz Classical Indie Music Rock Alternative Rock Blues Broadway and Vocalists Children s Music Christian and Gospel Classic Rock Classical Dance and DJ Hard Rock Heavy Metal Latin Music Miscellaneous Movies Jazz Classical Non Action Adventure New Age Opera and Vocal RSE Rap and HipHop Soundtracks R amp B Rock or Jazz Classical WWW VELODYNE COM SubContractor User s Manual 14 Each preset has its own characteristics with respect to subsonic filter volume differential and a single equalizer EQ in order to optimize the listening mode for the preset 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
27. ion Eau et humidit Le produit 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 Chariots et supports Utiliser uniquement le produit avec un chariot ou un support recommand par le fabricant Montage au mur ou au plafond Monter uniquement le produit sur un mur ou un plafond de la fa on recommand e par le fabricant Ventilation Le produit doit tre situ dans un endroit ou une position qui ne nuit pas sa ventilation ad quate Par exemple ne pas placer le produit sur un lit un canap une moquette ou une surface semblable qui peut bloquer les ouvertures de ventilation ne pas poser le produit sur un meuble encastr comme une biblioth que ou un meuble qui peut emp cher l air de circuler par les ouvertures de ventilation Chaleur loigner le produit des sources de chaleur comme les radiateurs les registres d air chaud les cuisini res ou d autres produits qui d gagent de la chaleur Sources d lectricit Le produit doit tre raccord uniquement une prise d alimentation d un type d crit dans les consignes de fonctionnement ou tel que mentionn sur le produit Mise la masse ou polarisation Ce produit peut tre muni d une fiche polaris e pour courant alternatif une fiche comportant une lame plus large que l autre Cette fiche ne peut tre introduite dans une prise de courant que d une
28. ment de performance le produit a t chapp ou endommag Entretien L utilisateur ne doit pas tenter d effectuer l entretien du produit au del de ce qui est d crit dans les consignes de fonctionnement Toute autre r paration doit tre confi e du personnel qualifi Foudre Pour une plus grande protection du produit au cours d un orage ou lorsqu il demeure inutilis pendant une p riode prolong e le d brancher de la prise de courant Surcharge Ne pas surcharger les prises murales les rallonges ou les prises int gr es car cela peut provoquer un incendie ou un choc lectrique ATTENTION Afin d viter tout choc lectrique introduire fond la lame la plus large de la fiche dans la borne correspondante SubContractor User s Manual VORSICHT WICHTIGE SICHERHEITSHINWEISE GEFAHR VON STROMSCHL GEN NICHT OFFNEN ATE 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 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 gef hrlichen Stromschl gen besteht Das Symbol Ausrufezei
29. nches Allow 1 2 extra inches Allow 1 2 extra inches Allow 1 2 extra inches excludes grilles mounting Allow 1 2 extra inches in depth for wire in depth for wire hookup in depth for wire hookup in depth for wire hookup in depth for wire hookup tabs etc Cabinet Sealed enclosure Sealed enclosure Sealed enclosure Sealed enclosure Sealed enclosure Sealed enclosure Warranty Two years Two years Two years Two years Two years Two years parts labor Shipping Weight 26 Ibs 16 Kg 36 Ibs 21 Kg 41 165 26 Kg 55 Ibs 16 Kg 2 Cartons 57 Ibs 26 Kg approx Carton 1 25 Ibs 11 5 Kg Carton 2 25 Ibs 11 5 Kg Total 50165 22 7 Kg 17 SubContractor User s Manual COM WWW VELODYNE 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 8 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
30. nd Stands The product should be used only with a cart or stand recommended by the manufacturer 7 Wall or Ceiling Mounting The product should be mounted to a wall or ceiling only as recommended by the manufacturer 8 Ventilation The product should be situated so that its location or position does not interfere with its proper ventilation For example the product 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 9 Heat The product should be situated away from heat sources such as radiators heat registers stoves or other products that produce heat 10 Power Sources The product should be connected to a power supply only of the type described in the operating instructions or as marked on the product 11 Grounding or Polarization This product may be equipped with a polarized alternating current line plug a plug having one blade wider than the other This plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the outlet try reversing the plug If the plug should still fail to fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the polarized plug 12 Power Cord Protection Power supply cords should be routed so that they ar
31. no a piscine o altro 6 Carrelli e supporti prodotto deve essere usato solo con un carrello o supporto raccomandato dal produttore Montaggio a parete o a soffitto prodotto deve essere montato su pareti e soffitti solo come raccomandato dal produttore 8 Ventilazione prodotto deve essere posizionato in modo che l ubicazione non ne impedisca la corretta ventilazione Ad esempio il prodotto non deve essere collocato su letti divani tappetini o superfici simili che possono ostruire le aperture di ventilazione e neppure incassato in scaffali o armadietti che possano impedire il flusso dell aria attraverso le aperture di ventilazione 9 Calore Il prodotto deve essere collocato lontano da sorgenti di calore come radiatori diffusori di aria calda stufe o altri prodotti che generano calore 10 Sorgenti di alimentazione prodotto deve essere collegato solo a una sorgente di alimentazione del tipo descritto nelle istruzioni per l uso o indicata sul prodotto stesso 11 Collegamento a terra o polarizzazione Questo prodotto pu essere dotato di una spina polarizzata per corrente alternata una spina con una lamella pi grande dell altra Questa spina si pu inserire nella presa di corrente in un solo modo Si tratta di una caratteristica di sicurezza Se non si riesce a inserire a fondo la spina nella presa provare rovesciando la spina Se ancora non si riesce a inserire la spina rivolgersi a un elettricista o s
32. or 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 3 Optional Rack Mount These detachable ears allow the SC 1250 to be rack mounted REAR PANEL CONNECTIONS Velodyne SC 1250 e B 89 MAIN LEVEL 68 0000 ee Figure 2 Hear 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 RCA connectors is the same as the input signal 10 Line Input LFE Input 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 MAIN SPEAKER LEVEL OUTPUTS SUBWOOFERS SC 1250 00 un a 89 B 9 7 6608 66 MAIN en LEVEL Neve L INPUT iu
33. ostituire la presa obsoleta Non disattivare questa caratteristica di sicurezza della spina polarizzata 12 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 prodotto 13 Pulizia Pulire il prodotto solo come accomandato dal fabbricante 14 Periodi di non uso Quando non si usa il prodotto 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 del prodotto 16 Danni che richiedono manutenzione Il prodotto deve essere riparato da personale tecnico qualificato in caso di a danni al cavetto o alla spina di alimentazione b caduta di oggetti e la penetrazione di liquidi all interno del prodotto c esposizione del prodotto alla pioggia d funzionamento anomalo o notevole cambiamento nelle prestazioni del prodotto e caduta o danni del prodotto 17 Manutenzione L utente non deve provare intervenire sul prodotto oltre quanto descritto nelle istruzioni per l uso Per tutti gli altri interventi rivolgersi a personale tecnico qualificato 18 Scariche elettriche Per maggiore protezione del prodotto durante i temporali o quando lo si lascia incustodi
34. presets for customized listening mode Automatic 7 band room equalizer microphone included e Night mode setting e Mute control e Adjustable 30 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 0 90 180 or 270 degrees 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 can 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 B 5 piston diameter subwoofer 2 5 high 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 8 high temperature inside outside voice coil Oversized spider for linearity at
35. s 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 Is the remote non responsive We recommend replacing the batteries in 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 technician T e 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 16 SPECIFICATIONS SC 1250 Amplifier Amplifier 3000 watts Dynamic Class D 1250 watts RMS Power High Pass Crossover 80Hz 6 dB octave Low Pass Crossover 30Hz 160Hz Defeatable 24 dB octave slope Outputs Line level 80 Hz up speaker level for up to two subwoofers Dimensions H W D 4 25 x 17 0 x 13 0 inc feet amp grill 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 approxim
36. schl gen muss der breitere Steckerkontakt vollst ndig in den breiten Schlitz eingef hrt werden WWW VELODYNE COM SubContractor User s Manual Ill ATTENZIONE IMPORTANTI ISTRUZIONI DI SICUREZZA PERICOLO DI SCOSSSA ELETTRICA NON APRIRE AS Attenzione Per ridurre il pericolo di scossa elettrica non smontare il coperchio o il pannello posteriore All interno non ci sono parti riparabili dall utente Per le riparazioni rivolgersi a personale 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 costituire 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 prodotto 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 prodotto e contenute nelle istruzioni per l uso 4 Seguire le istruzioni Seguire tutte le istruzioni di uso e funzionamento 5 Acqua e umidit Il prodotto non deve essere usato in vicinanza di acqua ad esempio vicino a vasche da bagno lavandini lavelli lavatoi in seminterrati umidi vici
37. to o inutilizzato lunghi periodi di tempo staccare la spina dalla presa di alimentazione 19 Sovraccarico Non sovraccaricare prese elettriche di alimentazione prolunghe o prese di alimentazione integrate nei prodotti poich questo comporta pericolo di incendio o scosse elettriche ATTENZIONE PROTEZIONE DEL CAVETTO DI ALIMENTAZIONE per evitare scosse elettriche inserire a fondo la lamella larga della spina nella fessura larga della presa WWW VELODYNE COM SubContractor User s Manual IV TABLE OF CONTENTS Congratulations Se ee to de cout 1 Pr quers PDC beh bas TUTTI 1 SC 1250 Subwoofer Amplifier 1 SC 8 SC 10 SC 12 SC 15 SC IW SC IF Woofers 2 Setup Checklist 9 PTT 3 Front Panel Controls and Displays 3 Rear Panel Connections 4 About Low Pass Crossovers sy use 10 Word About Your Receiver s Crossover and the SC 1250 Crossover 10 Word About Interconnect Cables 10 A Word About Subwoofer Placement 11 Selecting the Subwoofer s to be Controlled 11 Using the SC 1250 to Drive Two Subwoofers 12 Sa 12 Restore
38. ubwoofer 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 ff 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 WWW VELODYNE COM SubContractor User s Manual 112 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 Night mode when active will reduce the brightness of the blue LED 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 e 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 follow
39. uftstrom durch die Bel ftungs ffnungen behindern w rde W rme Das Produkt darf nicht in der N he von W rmequellen wie Heizk rpern Heizluftausstr mern fen oder weiteren W rme abstrahlenden Produkten installiert werden Stromversorgung Das Produkt darf ausschlie lich an eine Stromversorgung des Typs angeschlossen werden der in der Bedienungsanleitung genannt oder auf dem Produkt angegeben ist Erdung oder Polung Dieses Produkt ist eventuell mit einem gepolten Wechselspannungs Netzstecker ausger stet bei dem einer der Kontakte breiter ist als der andere Dieser Stecker passt nur in einer Ausrichtung in die Netzsteckdose Dies dient zu Ihrer Sicherheit Wenn sich der Stecker nicht ganz einstecken l sst versuchen Sie ihn um 180 zu drehen Falls der Stecker dann noch immer nicht eingesteckt werden kann ist die Steckdose veraltet und muss von einem Elektriker ausgetauscht werden Die Polung des Steckers ist ein Sicherheitsmerkmal und darf keinesfalls durch Manipulationen au er Kraft gesetzt werden 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 das Produkt Reinigung Das Produkt darf nur gem den Herstellerempfehlungen gereinigt werden Nichtbenutzung Der Netzstecker
Download Pdf Manuals
Related Search