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SC-600D Amplifier
SC-600 IW
SC-600 IF/IC Subwoofers
USER’S MANUAL
Subcontractor
TM
Series
SC-600D
AMPLIFIER
WWW.VELODYNE.COM
SC-600D Amplier User’s Manual - i
WARNING: To reduce the risk of fire or electrical shock, do not expose this product to rain or moisture.
WWW.VELODYNE.COM
SC-600D Amplier User’s Manual - ii
TABLE OF CONTENTS
Congratulations ........................................................1
Product Features ....................................................... 1
– SC-600DSubwooferAmplier .......................................1
SC-600 IW, SC-600 IF/IC Subwoofers .................................2
Setup Checklist .......................................................2
Installation ............................................................3
Front Panel Controls and Displays ....................................3
Rear Panel Connections ............................................4
Rear Panel Connections - Detailed Explanation ...............................8
About Low-Pass Crossovers ........................................8
A Word About Your Home Theater Receiver’s Crossover
andtheSC-600DAmplier’sCrossover ...............................8
A Word About Interconnect Cables ....................................9
A Word About Subwoofer Placement .................................9
Selecting the Subwoofer to be Controlled ..................................10
Usage ..............................................................11
Restore Defaults ......................................................14
CareofYourAmplierandSubwoofer .....................................14
Troubleshooting and Service ............................................. 15
Specications ........................................................16
Appendix A: RS-232 Serial Overview and Commands .........................17
Warranty ............................................................19
www.velodyne.com
SC-600D Amplier User’s Manual - 1
CONGRATULATIONS
CongratulationsonyourpurchaseofaVelodyne(SC)SubContractorSeries600Damplierandsubwoofer.This
system represents the state-of-the-art in low frequency reproduction. Read and follow the instructions below to
ensure safe and proper system operation.
Warning!
To prevent re or shock hazard, do not expose this equipment to rain or moisture. To avoid electrical shock, do
not open the speaker enclosure or the 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. Please save the carton and all packaging materials for future use. Record
the serial number in the space provided on the warranty card and page 20 of this manual for future reference.
PRODUCT FEATURES
SC-600D SUBWOOFER AMPLIFIER
• 400wattsdynamic/200wattsRMShigheciency,ClassD
• DSP-controlled
• Fourselectablepresetsforcustomizedlisteningmode
• Automatic5-bandroomequalizer(microphoneincluded)
• Night-modesetting
• Mutecontrol
• Line-level(RCA)inputsandoutputs
• Speaker-levelinputswith5waybindingpostconnections
• Signalsensingautoturnon/o(defeatable)
• Variablevolumecontrol
• Selectablephasecontrol(0,90,180or270degrees)
• Built-inadjustable(30-160Hz)digitallow-passcrossoverwith24dB/octaveslope
• DriverDisplacementControlsoftwaretopreventoverexcursionandampclipping
• BluepowerindicatorLED
• RS-232SerialInterface
• 12Volttrigger
• UniversalIRrepeatermini-jack
• Preset-specicsubsoniclter
www.velodyne.com
2 - SC-600D Amplier User’s Manual
SC-600 IW, SC-600 IF/IC SUBWOOFERS
SC-600 IW (In-Wall):
- Two high excursion 6.5” active drivers, two 12.5” x 3” oval passive radiators with ribbed rubber surround
- High-excursion rubber surrounds on both active and passive drivers
- 2” 4 layer copper
- FrequencyResponse:30-120Hz(+/-3dB)
- 4 ohm impedance
SC-600 IF/IC (In-Floor/In-Ceiling):
- 12” (9.7” piston diameter) subwoofer
- 2.5” 4 layer copper
- Oversizedspiderforlinearityathighexcursion
- High-excursion rubber surround
- FrequencyResponse:25-120Hz(+/-3dB)
- 4 ohm impedance
Note: The SC-600 IW and the SC-600 IF/IC must be driven with either the SC-600D or the SC-602amplier.
Use of any other power source voids the warranty.
SETUP CHECKLIST
Besuretodothefollowingtoensurethebestperformancefromyoursubwoofer(s):
 Ifpossible,optimizetheplacementofthesubwoofer(s)inthelisteningarea.Seepage10oftheUser’s
Manual.
Install and wire the subwoofer per the instructions on pages 3 - 8.
Select the proper model per the instructions on page 10.
Select the proper volume level. See page 4.
Besurethelowpasscrossoverissetcorrectly.Seepages8-9.
BesuretoequalizethesubwooferusingthemicrophoneandAuto-EQfeature.Seepage11.
Besuretosetthephasecontrolontheremote.Seepage11.
Select the correct preset for the source material. See page 13.
Your new Velodyne subwoofer system 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o.
Note: For proper setup and installation of the SC-600 IW (In-Wall) subwoofer, please refer to the SC-600 IW
QuickInstallGuide.
www.velodyne.com
SC-600D Amplier User’s Manual - 3
INSTALLATION
Figure 1: Front Panel Connections of the SC-600D amplier.
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buttonforcesyourSC-600Damplierintostandbymode.ThepowerLEDturnsamber,cthenumeric
LEDshutso,andtheamplierputsoutnopower.TheunitwillremaininthismodeuntilthePOWER
button is pressed again. To fully deactivate (i.e. power down) the unit, use the main power switch on the
back panel.
(2) Power LED
ThisLEDilluminateswhenthepowerison.Blueindicatesnormaloperation.TheLEDturnsamberwhen
the unit is in standby mode or the remote has been used to deactivate the unit, and dims when the unit
is in night mode.
(3) Mic Input
ConnectthesuppliedmicrophonefortheAuto-EQfeaturetothismini-jackinput.
(4) Remote Eye
This is the eye that receives infrared commands from the supplied remote.
(5) Crossover
Use these Up and Down buttons to select the frequency below which all signals will be routed to the
subwoofer(forexample,80Hz),ratherthattothemainspeakers.ThefrequencyisindicatedontheLED
display,thenthedisplayrevertstoshowingthesubwoofer’svolumelevel.Theslopeisxed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 8 for a more detailed discussion on crossovers.
www.velodyne.com
4 - SC-600D Amplier User’s Manual
(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-600D amp 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 of both the main speakers and subwoofer. The
default volume is 30.
Note: Volume can also be controllable by using the supplied remote.
WARNING: Some manufacturers preset their receivers with the Sub-Out (a.k.a. LFE) channel signal at a
minimum level. It is very important to verify that your receiver Sub-Out channel is set to the same output
level as your front right and left channels. Refer to your receiver manual for the individual channel level
adjustment procedure. If your receiver Sub- Out channel is set too low, the subwoofer may appear to have
a weak output, it may sound noisy or distorted, and the Auto On/Off feature may not operate properly.
(8) Optional Rack Mount Ears (Included)
These ears can be attached to the SC-600D amp to allow standard 19” rack mounting.
REAR PANEL CONNECTIONS
Following are brief descriptions described in Figure 2. More detail on these controls can be found in the next
section.
Figure 2: Rear Panel Connections of the SC-600D amplier.
(9) Thru Jacks
These RCA connectors are for passing along the same signal that goes into your subwoofer to a second
“daisy-chained” system. The signal from these RCA connectors is the same as the input signal.
(10) Line Input / LFE Input
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(optional)andfeedthesignalintoboth
“R”and“L”inputs.ExamplesofthesetypesofconnectionscanbefoundinFigures2Aand2B.
www.velodyne.com
6 - SC-600D Amplier User’s Manual
(11) IR Input
AnIRrepeatercanbeconnectedtothismini-jack.
(12) 12V Trigger
Whenthis2-conductormini-jackisconnected,theamplierremainsinpower-omodeuntilthetrigger
isapplied.Thecorrecttriggeris+12Vonthetipoftheconnectorrelativetothegroundedsleeve.
(13) RS-232 In
Use this port to communicate with an RS-232 controlled touch panel system. See AppendixA for an
explanation of the use of the serial port, available commands, and their formats.(14) Signal Sensing Auto
On/OSwitchWiththisswitchinthe“standby”position,yoursubwoofercanbesafelyleftwiththemain
powerswitchedoncontinuously.Thesubwooferamplierwillturnitselfonautomaticallywhenanaudio
signal is present. If no signal is present for approximately 10 minutes, the unit willswitch to standby
mode.Whileinstandbymode,yoursubwooferamplierwilldrawveryminimalpower.Thisfunctioncan
be disabled by leaving the switch in the “always on” position.
(15) Speaker Level Input Terminals
IfyoudonotconnecttheSC-602ampliertoyourreceiverusingtheline input/LFEinputconnection
(Item10),connecttheseinputterminalstothespeakeroutputterminalsofyouramplierorreceiver.If
you use this method of connection, make sure to select the “large”speaker option in the receiver’s set-
up menu. Also, select the option for no subwoofer. Thiswill make sure all bass and LFE information is fed
thespeakeroutputsandbereceivedbyyourSC-600Damplier.
Note: Using both speaker terminals and the line level inputs is not recommended, as this maydamage the SC-
600Damplieroryourreceiver.
(16) Speaker Level Output Terminals
These connections send a crossed-over speaker-level signal to the front speakers. Whenconnected
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.
Youmayalsoconnectyoursatellitesdirectlytoyourreceiveroramplieralongwiththesubwooferifyou
wish to bypass this crossover.
An example of a speaker-level connection is shown in Figure 3.
www.velodyne.com
SC-600D Amplier User’s Manual - 7
Figure 3: Speaker-Level Connection.
(17) Subwoofer Connection 5-Way Binding Post Terminals
ConnecttheoutputterminalstothesubwooferbeingcontrolledbytheSC-600Damplier.Onlyconnect
ONE subwoofer to the red/black pair of subwoofer output terminals - DO NOT connect multiple
subwooferstotheterminalsinanyconguration.
Caution!!!
To avoid damage to your SC-600D amp and subwoofer, be sure to maintain correct polarity
when making all speaker connections; red (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.
(18) Power Cord Adapter
Connect the detachable power plug to this male interface connection. The detachable cord allows for
easy replacement should the original become damaged.
(19) 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.
(20) Main Power Switch
PressthePOWERswitchtotheONpositiontoactivatetheamplier.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amplier.
www.velodyne.com
8 - SC-600D Amplier User’s Manual
REAR PANEL CONNECTIONS —
DETAILED EXPLANATION
The SC-600D amplier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amplierorreceiver.Youramplier
sectionwillnoticenoadditionalloadingeects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-600Damplierinputssumtheleftandrightchannelstogetherandtheresultingsignalispassed
throughanadjustablelow-passcrossoverbeforebeingamplied.Thecrossovercontrolallowsyoutoadjust
theupperlimitofthesubwoofer’sfrequencyresponsefrom30to160Hz.Thesubwoofer’sresponsewillbegin
rollingoabovethefrequencyyousetthiscontrolto.Theslopeis24dB/octave.
You should set the crossover frequency to obtain a smooth and seamless transition from the subwoofer to the
main speakers in your system. If your main speakers are smaller 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.TheSC-600Damp’scrossoverhasadefaultof80Hz.
Mostreceiversandprocessorsprovideamenuoptioninwhichyoucancharacterizemainspeakersas“large”
or“small”speakers.Thisaectsthebasssignalspassedtothemainspeakers.Werecommendinmostcases
settingthe main speakers to “small,” despitetheirsizeandfrequencyresponsecharacteristics,allowingall
multi-channel bass and LFE signals to be passed to the SC-600D. This is because the powerful 400 watt SC-
600D amp combined with the SC-600 subwoofer are more likely suited to low bass reproduction than your amp
and main speaker. With the burden of low frequency reproduction relieved, your speakers will exhibit better
performance, and your overall system performance will improve.
Disabling the Low-Pass Crossover (Subwoofer Direct)
If your receiver/processor provides a crossed-over signal to the subwoofer, you may want to bypass the SC-
600Damp’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 HOME THEATER RECEIVER’S CROSSOVER AND THE SC-600D AMPLIFIER’S
CROSSOVER
YourVelodyneSC-600Damplierisdesignedtooperateusingthefullrangeaudiosignalforinputwhenusing
thebuilt-incrossover.Manyhometheaterprocessors/receivershavea“subwooferout”jackthatperformsthis
same function and are designed to be used with a powered subwoofer.
www.velodyne.com
SC-600D Amplier User’s Manual - 9
In these installations, you may want to bypass the crossover in either the processor or the Velodyne SC-600D
amplierasdescribedabove.However,insomecasesyoumaywanttouseBOTHcrossovers.Ifyouchooseto
dothisyoushouldstaggerthefrequencies,(i.e.,120Hzsubwoofer,80Hzprocessor)forbestresults.
Note: If not using an external crossover, you should use the subwoofer’s 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-600Damplier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 any potential external interference problems.
WhenconnectingtheSC-600Dampliertoyoursubwoofer,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tinthebindingposts,resultinginapoorconnectionandpossibleshortcircuits.
A WORD ABOUT SUBWOOFER PLACEMENT
Subwoofers operate at extremely low frequencies, which are primarily omni-directional. Keep inmind that
frequency response and output level can be drastically inuenced by room 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oerthegreatestoutputlevelsandoptimumlowfrequency
extension. 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5-bandEQwillhelptogetthemostperformanceoutofyoursubwoofernomatter
where it is placed.
Caution!
This amplier is an electronic device. Do not place the amplier next to sources of heat such as furnace registers,
radiators, etc. Likewise, do not place the amplier near sources of excessive moisture, such as evaporative
coolers, humidiers, 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.
www.velodyne.com
10 - SC-600D Amplier User’s Manual
SELECTING THE SUBWOOFER TO BE CONTROLLED
Your SC-600D amplier can control the Velodyne SC-600 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-600Damplierwiththesubwoofer
itiscontrolling.TheSC-600DampliercomeswithadefaultsettingfortheSC-600IWsubwoofer.Whenthe
unitisrstpoweredup,themodelbeingcontrolledisdisplayedfortwosecondsonthenumericLEDbeforethe
display reverts to the volume setting. The subwoofer to be controlled is shown as follows:
Note:BoththeIFandtheICsettingscontroltheSC-600In-Floor/In-Ceiling(IF/IC)subwooferandhaveidentical
internal settings.
Tochangethesubwoofertobecontrolled,rstpowerdowntheamplierusingthemain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-600D
amp’s memory. To exit model selection mode, use the main power switch on the back panel to power down
and power up the unit. You should see the model you selected for two seconds on the LED display before the
display reverts to the volume.
Note: TheSC-600Dampliercancontrolonlyonesubwooferatatime,eithertheSC-600IWorSC-600IF/IC.
www.velodyne.com
SC-600D Amplier User’s Manual - 11
USAGE
ThissectionaddressesEQsetupandday-to-dayusageofyourSC-600Damplier.
Figure 5: SC-600D Remote.
Remote Control
The features of the SC-600D remote control are listed below.
• POWER — ThisbuttonforcesyourSC-600Damplierunitinto
standby mode. The power LED turns amber, the numeric LED
shuts o, and the amplier puts out no power. The unit will
remain in this mode until the POWER button is pressed again.
To fully deactivate (i.e. power down) the unit, use the main
power switch on the back 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’s output. The LED
on the amplierwill show00 if theunit is muted.Tounmute
the subwoofer, press the MUTE button again and the original
volume setting shows on the LED.
• EQ — This button automatically EQs the subwoofer using a
5-bandinternalgraphicequalizer.Tousethisfeature,rstplug
thesuppliedmicrophoneintotheMic-Injackonthefrontpanel
of the amplier and place the mic in your preferred listening
position.ThenpressEQontheremoteforabout2-3seconds.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-600Damplierarereset.If the
microphoneisnotpluggedin,theSC-600DamplierwillemitoneortwosweeptonesthenceasetheEQ
operation.Inthiscase,thepreviousEQsettingswillbepreserved.
• PHASE —Thesebuttonsallowyoutooptimizethesubwooferperformanceforthelocationandyour
listening position. Play some bass-heavy music. While listening, push one of the four phase buttons,
listen for a few moments, and then press the next phase button. In most installations, one of the four
button positions will oer anaudibly better blend of subwooferand speakers.Selecting the correct
phasepositionisjustthateasy.TheLEDwillshowthephaseselectedbyshowing“PH”followedbythe
phase number: 0, 90, 180 or 270.
• LIGHT —Ifyouwish,youcandeactivatethenumericLEDonyourSC-600Damplier.Todothis,press
theLIGHTbuttononyourremote.ToreactivatetheLED,presstheLIGHTbuttonagain.
• NIGHT — Night mode limits the maximum dynamic 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o.
Activationofnightmodecauses“n”toappearbrieyonthedisplay.Whennightmodeisdeactivated,
thedisplayshows“no”andthenreturnstonormalfunction.
www.velodyne.com
12 - SC-600D Amplier User’s Manual
• 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 of both the main
speakers and subwoofer. When pressing volume up or down, the volumelevel change is shown on the
numeric LED on the front panel.
WARNING: Some manufacturers preset their receivers with the Sub-Out channel signal at a minimum
level. It is very important to verify that your receiver Sub-Out channel is set to the same output level as
yourfrontrightandleftchannels.Refertoyourreceivermanualfortheindividualchannelleveladjustment
procedure. If your receiver Sub-Out channel is set too low, the subwoofer may appear to have a weak
output,itmaysoundnoisyordistorted,andtheAutoOn/Ofeaturemaynotoperateproperly.
Note:Thevolumecanalsobeadjustedviathevolumebuttonsonthefrontpaneloftheamplier.These
buttonshavethesameeectaspressingtheupanddownvolumebuttonsonyourremote.
• PRESETS —Therearefourpresets,consistingofMovies,R&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&B–Rock: Providesthedrivingbassfoundintoday’srockmusic.
Jazz–Classical: Thetightest,cleanest,lowestdistortionbass.Theattestfrequencyresponseofthe
four presets.
Games: Maximumloudnessavailablefortheimpactofvideogames.
Eachpresethasitsowncharacteristicswithrespecttosubsoniclter,volumedierentialanda single contour
equalizerinordertooptimizethelisteningmodeforthepreset.
www.velodyne.com
SC-600D Amplier 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&B–Rock
Country – Soft Jazz–Classical
Folk Jazz–Classical
Indie Music R&B–Rock
Pop R&B–Rock
Rock R&B–Rock
Alternative Rock Jazz–Classical
Blues Jazz–Classical
BroadwayandVocalists Jazz–Classical
Children’s Music Jazz–Classical
ChristianandGospel Jazz–Classical
Classic Rock R&B–Rock
Classical Jazz–Classical
DanceandDJ R&B–Rock
Hard Rock/Heavy Metal R&B–Rock
Latin Music R&B–Rock
Miscellaneous Jazz–Classical
Movies – Non-Action Adventure Jazz–Classical
New Age Jazz–Classical
Opera and Vocal Jazz–Classical
R&B R&B–Rock
Rap and Hip-Hop R&B–Rock
Soundtracks R&B–RockorJazz–Classical
VideoGames Games
www.velodyne.com
14 - SC-600D Amplier User’s Manual
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.
1. Movies
2. R&B–Rock
3. Jazz–Classical
4. Games
5. Games
6. Jazz–Classical
7. R&B–Rock
8. 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 AMPLIFIER AND SUBWOOFER
Do not use any harsh detergents or chemicals to clean the SC-600D chassis or the subwoofer cabinet. Abrasives,
detergents,orcleaningsolutionswilldamagethenishontheSC-600Dchassisorthesubwoofercabinet.We
recommend using a damp cloth to clean the front, back and sides.
Duringnormalconditions,theamplier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otheunitbythemasterpower
switch on the front panel.
www.velodyne.com
SC-600D Amplier User’s Manual - 15
TROUBLESHOOTING AND SERVICE
Beforeseekingserviceforyoursubwoofer,pleasere-checkallsystems.Followingisasimple
troubleshooting guide to assist you.
1. Verify that the unit is plugged in and power outlet used is active.
2. Is the power switch on?
3. Is the unit receiving an input signal from your source?
4. Have all controls (volume, crossover, phase, etc.) been properly set?
5. If the unit has been running at high levels, one of the protection circuits may be engaged. Has the
amplieroverheated?
6. Has the power button been depressed on the remote?
7. Make sure binding posts are tightened.
8. Is the remote non-responsive? We recommend replacing the batteries in the remote.
Thefollowingconditionsrequireservicebyaqualiedtechnician:
1. The power cord has become damaged.
2. The unit does not appear to operate normally or exhibits a marked change in performance.
3. The unit has been exposed to water.
4. Some part of the cabinet or circuitry is physically damaged.
Thank You for Purchasing a SC-600D Amplier!
www.velodyne.com
16 - SC-600D Amplier User’s Manual
SPECIFICATIONS
Specication SC-600D Subwoofer Amplier
Amplifieer (Class D) 400 watts Dymamic, 200 watts RMS Power
High Pass Crossover 80 Hz (6 dB/octave)
Low-Pass Crossover 30Hz-160Hz, Defeatable, 24 dB/octave slope
Input Line and speaker-level
Outputs Line-level 80 Hz up, speaker level for up to two subwoofers
Phase 0°, 90°, 180°, 270°
Dimensiona 3.6” x 17” x 13” (9 x 43.3 x 33 cm)
** Allow two extra inches in depth for wire connectors and power cables
** Includes feet. Feet can be removed for rack mount use. Unit is approximately “two rack units” high.
Warranty Three years (electronics, parts and labor)
Shipping Weight (approx.) 17 lbs. (7.7 Kg)
ThefollowingsubwoofersaredesignedtoworkwiththeSC-600Damplier:
Specications SC-600 IW (In-Wall) SC-600 IF/IC (In-Floor/In-Ceiling)
Woofer Two 6.5” active drivers, Two 12.5” x 3” passive radiators 12” (9.7” piston diameter) subwoofer
Frequency Response:
Overall (+/-3 dB)
37-120Hz, 23-250 Hz, 34-180 Hz 25-120Hz, 15-200 Hz, 24.9-120 Hz
Harmonic Distortion <5% (typical) <5% (typical)
Magnet Structure 64 oz (4 lbs) each active / 128 oz (8 lbs) total 56 oz. (3.5 lbs.)
Voice Coil 2” 4 layer copper coil 2.5” 4 layer copper coil
Dimensions (H/W/D):
(inc. feet & grill)
18.6” x 16.5” x 4.3” (47.2 x 42 x 11 cm)
**excludes grilles, mounting tabs, etc.
9” x 14” x 32” (23 x 35.6 x 81.3 cm)
**Allow 1-2 extra inches in depth for wire
Cabinet Passive radiator design Slotted bass reflex enclosure
Warranty (North America) Five years (drivers - parts and labor) Five years (drivers - parts and labor)
Shipping weight (approx) 22 lbs. (9 Kg) 40 lbs. (18 Kg)
www.velodyne.com
SC-600D Amplier User’s Manual - 17
APPENDIX A:
RS-232 SERIAL OVERVIEW AND COMMANDS
Introduction
ThisdocumentoutlinesVelodyne’sSubContractor(SC)RS-232protocolspecication.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 Conguration
SCserialportsuseastandardcongurationthatallowsdirectconnectiontoaPCviaaFEMALEtoMALEserial
cable.Itusesonlythreepins(Transmit,Receive,Ground).
Thepincongurationsare:
IN: Pin 2 = Transmit
Pin 3 = Receive
Pin5=Ground
OUT: Pin 2 = Receive
Pin 3 = Transmit
Pin5=Ground
Runtime Command Format
Bye Number Byte Description Notes
0 ‘#’ Header Character
1 to 3 or 4 Command and Parameter Data 3 to 4 ASCII characters see formats below
Case sensitive - CAPS ONLY!
4 or 5 ‘$’ Termination Character (required or command is ignored)
www.velodyne.com
18 - SC-600D Amplier User’s Manual
RS232 Commands
Activity Command Format Acceptable n Values Example(s) Comments
Volume Control #VOnn$, #VO+$, #VO-$, #VO?$ 00 – 99 #VO25$, #VO+$, #VO-$,
#VO?$
Sets volume to a value,
increments volume up or
down, or requests current
volume setting
Preset Control #PSn$, #PS?$ 1, 2, 3, 4, 5, 6 #PS1$, #PS2$, #PS3$,
#PS4$, #PS5$, #PS6$, #PS?$
Activates the indicated preset,
or requests the current preset
Logo Light Control #LTn$, #LT?$ 0: Light Off
1: Light On
#LT0$, #LT1$, #LT?$ Turns the Logo Light on or off,
or requests light state
Night Mode Control #NMn$, #NM?$ 0: Night Mode Off
1: Night Mode On
#NM0$, #NM1$, #NM?$ Activates/Deactivates Night
Mode, or requests light mode
state
Mute Control #MUn$, #MU?$, #MU0$ 0: Mute Off
1: Mute On
#MU1$, #MU?$ Mutes/Unmutes the woofer, or
requests mute state
Power Control #JUn$, #JU?$ 0: Power Off
1: Power On
#JU0$, #JU1$, #JU?$ Powers On/Powers Off the
woofer, or requests power
state
www.velodyne.com
SC-600D Amplier User’s Manual - 19
FOR YOUR RECORDS
DATE/PLACE OF PURCHASE: PRODUCT MODEL: PRODUCTSERIALNUMBER:
NOTE:Ifyouneedtoleawarrantyclaimforyourproduct,youwillstillneedtosubmittoVelodynetheoriginal
sales invoice or other proof of ownership and date of purchase.
Please validate your product warranty by completing the warranty registration online within 30 days at:
velodyne.com/warranty-subwoofers
For detailed warranty information, please visit us online at:
velodyne.com/warranty-subwoofers
The warranty information indicated above refers to products purchased in the United States and Canada only.
If you purchased your product outside of the United States or Canada, please consult your local authorized
Velodyne dealer for warranty registration and information.
Velodyne Acoustics, Inc.
345 Digital Drive
Morgan Hill, CA 95037
www.velodyne.com
408.465.2800 voice
408.779.9227 fax
408.779.9208 service fax
Service E-mail: service@velodyne.com
Product E-mail: help@velodyne.com
Technical E-mail: techhelp@velodyne.com
SC-600D-Amplier-RevF-May2012
19


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