CARVIN ENGINEERING DATA SCx1000 series LOUDSPEAKER SYSTEMS
Carvin’s SCx 1000 series loudspeakers are a durable high performance solution for bands and audio companies
for small to mid sized venues. They feature the latest innovations for both live sound and recorded music
playback, incorporating drivers that deliver clear, very musical sound quality at high volume levels up to 134
dB. Smart crossovers with Speaker Guard™ circuitry protect high frequency drivers from overload. Rugged
construction features CNC machined, multi-ply Baltic Birch enclosures protected with UV and weather resistant
Duratec™coating and powder coated radiused steel grills. Twist-loc input connectors, pole mounts, large side
handles and recessed pockets for stacking add to a list of great performance values that are designed for today’s
pro audio.
The SCx1112 is a 12” 2-way enclosure for smaller applications and great for vocal stage monitors. The full range
1200 watt peak power rating and high SPL output permits the performer to really hear their mix. The 60x90 degree
horn is vertically oriented for even floor monitor coverage at close or far angles, and horizontal pole-mounting
provides wide audience coverage when used as front-of-house mains in smaller venues and events.
The SCx1115 is a 15” 2-way multi-purpose enclosure for front of house mains, stage monitors, or DJ sound.
Loaded with a 15” heavy-duty woofer, it will handle up to 1600 watts peak. This is an exceptional sounding
enclosure for most applications requiring extended bass from a small enclosure.
The SCx1253 is a high performance, compact, dual 15” 3-way loudspeaker. The 15” woofers are co-planar
mounted resulting in a compact size that produces exceptional bass with real low-end punch. The 6 1/2” mid-range
horn loaded driver adds a new dimension of clarity to vocals and drums. The high frequency mylar compression
driver features a 90x50 degree horn with a 1-inch exit extending response to 20kHz. The twist-loc input connectors
allow for easy bi-amping. With a 4 ohm impedance and 3200 watt peak power handling, this wide dispersion
loudspeaker system delivers a high intelligibility, studio quality sound with a high SPL peak output of 134 dB.
There is nothing on the MI market matching it’s sound or output at this size and weight.
SCx1112
For more low-end thump, all SCx systems can be supplimented with SCx1118 passive subs or SCx1118A active
subs. The heavy-duty 18” woofer is housed in a bass reflex enclosure delivering sub-bass down to 35 Hz, adding
real depth and feel to your performances. The 8 ohm, 3” voice-coil is designed to handle up to 2000 watts peak.
The active SCx1118A features an internal 1400 watts peak power amp. Ideal for multi-stacking or stacking mains on
top, this compact hi-output subwoofer is a real work-horse that you can depend on, night after night.
Step up to a new experience in high performance sound with Carvin’s SCx loudspeakers.
SCx1115
SCx1253
76-12530A 0113 EP
SCx1118
SCx1118A
12340 World Trade Dr.
San Diego, CA 92128
carvin.com
carvinworld.com
choosing the coRRect ampliFication
SCx Loudspeakers are designed to be used with professional power amplifiers capable
of producing the correct power into equivalent speaker loads. Care should be taken to
avoid amplifier clipping. Due to the fact that music signals have a high peak-to-average
“crest” factor, a lesser power amplifier driven into clipping is more likely to damage a
speaker than a higher power amplifier used within its ratings. When an amplifier is over
driven, its output waveform is clipped or squared off reducing the crest factor. If an
amplifier is extremely over driven, the output waveform can approach that of a square
wave. Under these extreme conditions, an amplifier is capable of producing far more
power than its un-distorted rated power output.
Carvin recommends an amplifier capable of producing at least the power rating, up to
1.5 times the power rating of the speaker. (See TECHNICAL SPECIFICATIONS).
The use of amplifiers with outputs greater than this is not recommended.
Always turn on the amplifiers after the mixer and control systems have been powered
on. This will eliminate power peaks due to switch on surges which can damage
loudspeakers. When powering down the system, reverse the sequence and switch off
the power amplifiers first.
Connection Plates
1. Full Range/Biamp switch
Slide switches to the FULL RANGE position when using a single amplifier delivering
a full range signal, the internal passive crossover network divides the signals to the
appropriate drivers. Replace the rubber plug to seal the cabinet.
Slide the switch to the BIAMP position when using external active crossover and
multiple amplifiers in a bi-amp configuration. The BIAMP position bypasses the
internal passive crossover network. Replace the rubber plug to seal the cabinet.
For the 3-way SCx1253, the Mid-High is driven by one amp and the dual 15” drivers
by another.
2. Full Range/cRossoveR switch
Use the CROSSOVER position to engage the internal Low-Pass Crossover network.
(150Hz, 6dB/oct.)
Slide the switch to the FULL RANGE position when using an amplifier driven by an
external active crossover, the internal passive crossover network is bypassed.
Replace the rubber plug to seal the cabinet.
3. twist-loc Full Range / Biamp input
This input can be used for Full Range or Biamped Input.
4. twist-loc thRough
This jack is wired in parallel with the full range input jack for daisy chaining additional
enclosures. All 4 pins are connected in parallel with the Input.
5. 1/4” input
Use this input when using a single amp configuration. Ensure switches are in FULL
RANGE position.
6. 1/4” thRough
This jack is wired in parrallel with the 1/4” input jack for daisy chaining additional
enclosures. Ensure switches are in FULL RANGE position.
CONNECTING SCx PASSIVE SPEAKERS
The rear panels of the the SCx passive loudspeakers are fitted with both 1/4”
and 4-pin twist-loc connectors. All connectors are wired in parallel. The twist-loc
connection must be used for BIAMP.
4 pin Bi-amp Passive Subwoofers
1+ Low Freq. Positive Positive Input Positive Input
1– Low Freq. Negative Negative Input Negative Input
2+ High Freq. Positive Through Through
2– High Freq. Negative Through Through
(SCx1112, SCx1115, SCx1253)
(SCx1118)
scx1118a poweReD suBwooFeR
Carvin’s SCx1118A powered sub takes the guesswork out of selecting the
ideal power source to drive your subwoofers. Designed to handle the most
demanding applications, the amplifier is perfectly mated with the subwoofer
and enclosure, creating an optimally designed system. The SCx1118A powered system makes setup and operation easier as well, with less gear to haul.
Feed your mixer’s output directly to these loudspeaker systems, and you’re
ready.
SCx1118A POWER AMP SPECS:
700w RMS Continuous/1400w Peak
THD less than .05% @ 90%, .1% at full power
Crossover: Active, 24dB/Octave @ 80 & 120 Hz
Protection systems: Short circuit, themal and Speaker Guard™ protection
Power Requirement: 120/240 VAC, 50-60Hz
scx1118a contRol panel
1. input/thRu output
on the rear control panel to connect to your mixer. Using a balanced source will
reduce noise which may be picked up by the cable. You may DAISY-CHAIN as many
systems as you wish. All connectors are wired in parallel, however if the HI PASS
switch is used the THRU range will be set by the CROSSOVER FREQUENCY switch.
2. level contRol
by setting the LEVEL at “0”. Weak input signals can be boosted by setting the
LEV EL at “+6”. Strong signals can be reduced by turning the LEVEL toward
“-12”. The RED LED will flash if the internal power amps start to clip. Turn the LEVEL
control down to avoid clipping. Damage to the drivers can result from operating at a
level where the RED CLIP LED is constantly illuminated.
3. poweR/pRotect/clip inDicato Rs
source first, then turn on the powered sub. When the system is active, the LED will
indicate BLUE. When shutting down turn off the powered sub first, then turn off
the mixer. If any of the power amps are clipping, the LED will indicate RED and you
should reduce the input level. If the system should go into protect mode, the LED will
indicate YELLOW and the power amps will shut off. This may occur if: a) the system is
overheated due to clipping the power amps for an extended period of time, b) one of
the internal drivers developed a short, or c) the power amp requires service.
4. poweR switch
unit. The POWER LED will light to show the system is on.
5. ac poweR
dedicated circuits for powered speakers.
Use a standard grounded AC cord. Whenever possible, use
6. cRossoveR Bypass switch
the internal active crossover allowing the use of an external active crossover.
7. cRossoveR FRequency switch
switch selects the internal crossover point. The 120Hz (swich out) setting is generally
used with small to mid sized speakers in your setup. The 80Hz (switch in) setting is
generally used with mid to large speakers. The SCx1112 is usable with either setting
depending on preference, but 80Hz is recommended for use with the SCx1115 and
SCx1253 to eliminate muddiness in the 120Hz range from multiple sources.
8. hi pass output switch
output of the XLR thru output from a parallel of the Input XLR to a hi pass (all
frequencies above) the crossover switch setting. This is good for going to a top
cabinet that can not handle the sub’s low frequencies.
scx1118a
Use the balanced XLR or 1/4” connectors featured
The LEVEL control adjusts the output volume. Start
Power up your audio
Push this switch to the UP position to apply power to the
The crossover bypass switch bypasses
The CROSSOVER FREQUENCY
The hi pass output switch changes the
8
scx1112, scx1115, scX1253 scx1118
4135 6
1
2
4
435 62
5
3
6
7
system setups
Speaker systems can be scaled from small to large for the size of the venue
and type of performance, using different speakers in different positions as you
grow a system. For instance a single pair of SCx1112’s or SCx1115’s on pole
stands may be all that is required. Adding SCx1118 or SCx1118A subs will
expand your system for bigger performances. For larger performances use the
SCx1253 for mains with the SCx1112 or SCx1115 as stage monitors or side fills.
Two SCx1118(A)’s can be used (per side) to keep up with the high SPL output of
one SCx1253 per side.
Biamping anD aDvanceD system contRol
With the SCx1118A, use the XLR THRU jack with the HI PASS OUTPUT switch
engaged to drive the power amp for your SCx1112 or SCx1115 to reduce the
power needed to drive these cabinets.
Active electronic crossovers such as Carvin’s XD360 X-Drive can be used for
more advanced control. Bi-amping, and 2- or 3-way setups allow more efficient
use of speakers and power amps. See the chart for recommended crossover
frequencies.
RECOMMENDED EXTERNAL CROSSOVER FREQUENCIES
SCx1112 Biamp Low / High Low Cut with SUB
1.8kHz 80-100Hz
SCx1115 Biamp Low / High Low Cut with SUB
1.8kHz 80Hz
SCx1253 Biamp Low / High Low Cut with SUB
350Hz 50-60Hz
SCx1118 Low Pass Low Cut
80-120 Hz 30-35 Hz
stacKing anD using speaKeR stanDs saFely
Ensure that the floor, stage or soundwings are level and solid. Be cautious
of outdoor windy conditions, speaker stacks could topple over in high wind
conditions or be accidentally pushed or bumped over by over-zealous crowds.
Loudspeakers producing very high SPL (especially subwoofers) can shift from
their original position. Ensure the feet of the loudspeakers are locked into the
feet cups of the speaker below. Place frictional material between the floor and
the loudspeaker.
SCx1112 SCx1115 SCx1253 SCx1118 /
SCx1118A
SCx1112
SS20 stand
SCx1112
SCx1118/A
SS4 adjustable pole
SCx1115
SS20 stand
SCx1112
SCx1118/A
SS4 adjustable pole
SCx1253
SCx1118/A
SCx1253
two SCx1118/A
SCx1112 specs
System Type: 12-inch 2-Way, Bass-reex
Frequency Response: 60 Hz – 20 kHz (-10DB)
70 Hz – 18 kHz (-3 dB)
Coverage Pattern: Monitor 60x90; Main 90x60
Crossover: 2-Way with Speaker Guard™ HF protection
Crossover Frequency: 1.8 k Hz (internal)
Recommended external crossover frequency:
1.8k Hz @ 12dB/oct. or greater
Power: Continuous / Program / Peak
Full Range 300w /600w /1200w
Recommended Amplier Power: 300 to 900w
Sensitivity (1w @ 1m): 96dB
Maximum SPL: 120dB Cont. / 126dB Peak
LF Driver: 12-inch woofer
HF Driver: 1-inch exit Mylar 1.75-inch VC
Connectors: Two 4-pin Twist-Loc connectors
Two 1/4-inch connectors
Nominal Impedance full range: 8 ohms
Bi-amp LF: 8 ohms 300w /600w /1200w
Bi-amp HF: 8 ohms 60w /120w /240w
Enclosure: 13-Ply Premium Russian Baltic Birch
Suspension/Mounting: 1-3/8-inch pole mount cup
Finish: Black DuraTex™
Transport: 1 Recessed Handle
Grill: Black powder coated 16-Ga steel
Dimensions (H x W x D): 16.5 in x 15.25 in x 22.5 in
420 mm x 388 mm x 572 mm
Net Wt: 36.5 lb (16.5 kg)
SCx1253 specs
System Type: Dual 15-inch 3-Way, Co-planar bass reex
Frequency Response: 50 Hz – 20 kHz (-10DB)
60 Hz – 18 kHz (-3 dB)
Coverage Pattern: 90H x 60V
Crossover: 3-Way with Speaker Guard™ HF protection
Crossover Frequencies: 350 Hz, 2.0 kHz (internal)
Recommended external crossover frequency:
350 Hz @ 12dB/oct. or greater
Power: Continuous / Program / Peak
Full Range 800w /1600w /3200w
Recommended Amplier Power: 500 to 1600w
Sensitivity (1w @ 1m): 101dB 60-350Hz; 98dB 350-18KHz
Maximum SPL: 128dB Cont. / 134dB Peak
LF Driver: Dual 15-inch Heavy Duty 2.5-inch VC
MF Driver: 6.5-inch Heavy Duty 1.5-inch VC
HF Driver: 1-inch exit Mylar 1.75-inch VC
Connectors: Two 4-pin Twist-Loc connectors
Two 1/4-inch connectors
Nominal Impedance full range: 4 ohms
Bi-amp LF: 4 ohms 800w /1600w /3200w
Bi-amp MF/HF: 8 ohms 150w /300w /600w
Enclosure: 13-Ply Premium Russian Baltic Birch
Finish: Black DuraTex™
Transport: 2 Recessed Handles
Grill: Black powder coated steel
Dimensions (H x W x D): 29 in x 19.75 in x 22.75 in
737 mm x 505 mm x 580 mm
Net Wt: 88.2 lb (40 kg)
SCx1115 specs
System Type: 15-inch 2-Way, bass-reex
Frequency Response: 54 Hz – 20 kHz (-10DB)
62 Hz – 18 kHz (-3 dB)
Coverage Pattern: 90H x 60V
Crossover: 2-Way with Speaker Guard™ HF protection
Crossover Frequency: 1.8 k Hz (internal)
Recommended external crossover frequency:
1.8k Hz @ 12dB/oct. or greater
Power: Continuous / Program / Peak
Full Range 400w /800w /1600w
Recommended Amplier Power: 400 to 1000w
Sensitivity (1w @ 1m): 98dB
Maximum SPL: 124dB Cont. / 130dB Peak
LF Driver: 15-inch Heavy Duty 2.5-inch VC
HF Driver: 1-inch exit Mylar 1.75-inch VC
Connectors: Two 4-pin Twist-Loc connectors
Two 1/4-inch connectors
Nominal Impedance full range: 8 ohms
Bi-amp LF: 8 ohms 400w /800w /1600w
Bi-amp HF: 8 ohms 60w /120w /240w
Enclosure: 13-Ply Premium Russian Baltic Birch
Suspension/Mounting: 1-3/8-inch pole mount cup
Finish: Black DuraTex™
Transport: 2 Recessed Handles
Grill: Black powder coated steel
SCx1118 specs
System Type: 18-inch Sub, bass-reex
Frequency Response: 35 Hz – 1.5K Hz (-10DB)
40 Hz – 1k Hz (-3 dB)
Coverage Pattern: omni
Crossover: 200Hz (internal)
Recommended external crossover frequency:
80-120 Hz @ 12dB/oct.
Power: Continuous / Program / Peak
Full Range 500w /1000w /2000w
Recommended Amplier Power: 500 to 1000w
Sensitivity (1w @ 1m): 97dB
Maximum SPL: 123dB Cont. / 130dB Peak
LF Driver: 18-inch, 3-inch VC, woofer
Connectors: Two 4-pin Twist-Loc connectors
Two 1/4-inch connectors
Nominal Impedance: 8 ohms
Enclosure: 13-Ply Russian Baltic Birch
Suspension/Mounting: Top: 1 x 1-3/8-inch Pole Cup
foot receivers for SCx1253
Finish: Black DuraTex™
Transport: 2 Recessed Handles
Grill: Black powder coated steel
Dimensions (H x W x D): 23.5 in x 19.75 in x 22.75 in
600 mm x 505 mm x 580 mm
Net Wt: 65 lb (29.5 kg)
Dimensions (H x W x D): 25.75 in x 18.5 in x 14.5 in
654 mm x 470 mm x 367 mm
Net Wt: 45 lb (20.5 kg)
SCx1118A specs: same as SCX1118 except:
Power Amp: 700w RMS continuous/1400w Peak
THD: < 0.05% @90%, 0.1% @full power
Crossover: Active, 24dB/oct. @80 or 120 Hz
Protection systems:
short circuit, thermal, Speaker Guard™ protection
Power Requirement: 120/240VAC, 50/60HZ, 600VA
Net Wt: 66 lb (30 kg)
NOTE: Warranty does not cover burned out drivers caused by excessive power or distortion, or physical damage caused by general use, moisture or dust.
CAUTION: Square wave distortion from power amps can destroy drivers much faster than clean power.
This symbol is intended to alert
the user to th e pr ese nce of
uninsulated “dangerous voltage”
withi n the product’ s enclosu re
th at m ay b e of s uff ic ie nt
magnitude to constitute a risk of
electric shock to persons.
THIS UNIT CONTAINS HIGH VOLTAGE INSIDE!
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
This symbol is intended to alert the
user to the presence of important
ope ra ti ng an d mai nt en an ce
(s erv icin g) i nst ruct ions in t he
li te rat ur e a cco mp any in g t he
appliance.
REFER SERVICING TO A QUALIFIED TECHNICIAN
IMPORTANT! FOR YOUR PROTECTION, PLEASE READ THE FOLLOWING:
POWER SOURCES: The SCx1118A should be connected to a power supply only of the type described in the operating
instructions or as marked on the unit. Unplug during lightning storms.
GROUNDING OR POLARIZATION: Precautions should be taken so that the grounding or polarization means of an appliance is
not defeated.
POWER CORD: 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 and the point where they exit from the appliance. The plug
or power inlet is the disconnect device and shall remain readily operable.
PLACEMENT: Do not block ventilation openings. Do not install near heat sources such as radiators, stoves or other products
that produce heat. Do not install in a confined area. Use only mounting hardware such as brackets and tripods recommended
by the manufacturer.
FUSING: If your unit is equipped with a fuse receptacle, replace only with the same type fuse. Refer to replacement text on the
unit for correct fuse type.
LIMITED WARRANTY
Your Carvin SCx is guaranteed against failure for 5 YEARS, except for failure due to overpowering or
normal wear and tear. Carvin will service and supply all parts at no charge to the customer providing the
unit is under warranty. Shipping costs are the responsibility of the customer. CARVIN DOES NOT PAY FOR
PARTS OR SERVICING OTHER THAN OUR OWN. A COPY OF THE ORIGINAL INVOICE IS REQUIRED TO
VERIFY YOUR WARRANTY. This warranty does not cover, and no l iability is assumed, for damage due to:
natural disasters, accidents, abuse, loss of parts, lack of reasonable care, incorrect use, or failure to follow
instructions. This warranty is in lieu of all other warranties, expressed or implied. No representative or
person is authorized to represent or assume for Carvin any liability in connection with the sale or servicing
of Carvin products.
SERVICE
In the USA, please go to www.carvinservice.com.
Outside the USA, contact your dealer or go to http://www.carvinworld.com for your nearest service center.
Include a written description of the problem with serial number and date of purchase.
HELP SECTION
1) UN IT WILL NOT TURN ON: Check the power to the AC c ord. Check for tripped circuit breakers,
unplugged extension cords or power-strip switches that may be turned off. C heck the f use or circuit
breaker on the unit if available. If the fuse has been replaced with the proper value and the fuse fails again,
or the internal circuit breaker activates after reset, the unit will require servicing.
2) NO OUTPUT with POWER light ON: Shipping damage will be the primary reason for your product to not
function properly. Please give us a call to help you determine the problem.
3) KEEP YOUR UNIT LOOKING NEW: Use only a dry cloth to wipe the control and venting areas. Surfaces
without openings may be cleaned with a damp cloth.
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