ARX SPL SUB15 User manual

SPL SUB15 Owner's Manual v 1.1 ©2003 ARX® SPL SUB15 Owner's Manual v 1.1 ©2003 ARX®
8 1
SPL SUB15
Integrated Self Powered
Sub-Bass Loudpeaker
System
Owner’s Manual
WarrantyServiceProcedure
Should it become necessary to have your equipment serviced under the terms of the
warranty, please follow these steps:
1. Contact ARX for a Return Authorization (RA) number;
2. Carefully repack the unit, in its original packaging where possible, including a note
with the RA number, a description of the problem, and a copy of the receipt
showing date of purchase. Attach these to the actual unit itself. Don’t forget to write
your name and address clearly, and include a phone number where you can be
contacted during normal business hours. Make it easy for our service technicians to
contact you if they have a question. Also, use plenty of packing material - better to
be safe than sorry.
3. Send the unit freight prepaid to ARX Systems, at the address given you with your
RA number. We will pay the return freight when the serviced unit is returned to you.
4. We strongly recommend you insure the package. We can’t fix it if it gets lost! Send it
by UPS, Fedex, DHL or a similar service elsewhere.
If Warranty Registration Card is missing, please write to ARX in the country of purchase,
stating model and where purchased, or to ARX, PO Box 15, Moorabbin, Victoria 3189,
Australia.
You can also Email us at: [email protected]
INTERNATIONAL LIMITED WARRANTY
ARX Systems (ARX) warrants to the first purchaser of any ARX equipment that it is
free from defects in materials and workmanship under normal use and service.
ARX’s sole obligation under this warranty shall be to provide, without charge, parts
and labour necessary to remedy defects, if any, which appear within twelve (12)
months from date of purchase, and for a further twelve (12) months supply parts
only.
Thisisouronlywarranty.Itdoesnotcover(1)finishorappearanceitems,(2)burned
voice coils, or (3) if the equipment has been, in ARX’s sole judgement:
• Subjected to misuse, abuse, negligence or accident;
• Repaired, worked on, or altered by persons not authorized by ARX;
• Connected, installed, adjusted or used for a purpose other than that for which it
wasdesigned.Thisincludesrunningspeakersystems(a)withouttheappropriate
ISC processor (b) with a non ARX crossover, or (c) with the ISC disconnected
or bypassed.
Some states do not allow the exclusion or limitation of incidental or consequential
damages so some of the above exclusions may not apply to you.
This warranty gives you and us specific legal rights and you may also have other
rights which vary from state to state.
ARXARX
ARXARX
ARX Systems Pty Ltd, PO Box 15,
Moorabbin, Victoria 3189, Australia
PhonePhone
PhonePhone
Phone: [phone] FaxFax
FaxFax
Fax: [phone]
International FaxInternational Fax
International FaxInternational Fax
International Fax: [phone]
On the WebOn the Web
On the WebOn the Web
On the Web: www.arx.com.au
EmailEmail
EmailEmail
Email: [email protected]

SPL SUB15 Owner's Manual v 1.1 ©2003 ARX® SPL SUB15 Owner's Manual v 1.1 ©2003 ARX®
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2
This symbol is intended to alert you 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.
This symbol is intended to alert you to the presence of important operating
instructions contained in this owner's manual
WARNING SYMBOLS USED ON THIS EQUIPMENT
IMPORTANT - This self-powered loudspeaker is
designed to be connected ONLY to the AC volt-
age ticked below
100 V AC, 50 - 60 Hz
!
It is essential that you check that this
voltage is correct for your area before
connecting it to AC power. Do not plug
power cable into AC power until the voltage
has been checked. If incorrect, contact your
ARXdistributor.
Your warranty does not cover connecting to
the wrong AC voltage!
This product has a locking removable AC power lead.
To insert power cable, line up pins, insert connector and
twist to the right.
To remove, depress lever on top of the connector, twist to
the left, and pull out.
110 V AC, 50 - 60 Hz
220-240 V AC, 50 - 60 Hz
240 V AC, 50 - 60 Hz
Complies with 89/336/EEC EMC Directive, amended by 92/31/
EECand93/68/EECandmeetsthefollowingstandards:EN55013
:1990,Sections3.2and3.5EN55020:1988,Sections4.3,5.4,
6.2,7.0,8.0.
ComplieswithAustralianStandardAS/N251053
SPL SUB15 Specifications
Frequencyresponse 45Hz - 100Hz +/– 4dB
Loudspeakertype 15” 380mm 8 Ohms
Size 620H x 450W x 450D
Weight 60 Kgs
Input Connectors 3 pin Female XLR, polarity Pin 2 +,
Pin 3 –, Pin 1 Ground
Input Impedance 44KBalanced(electronic)
Nominal Input level 0dBfornominalratedamplifieroutput
Input Loop Connectors 3 pin Male XLR, polarity Pin 2 +,
Pin 3 –, Pin 1 Ground
Sub Level Control –10dB to +6dB, detented for 0dB
PhaseReverse Normalor180°reversed
CrossoverFrequency 100Hz
CrossoverType 24dBLinkwitzRileyFiltertype
Highpass Filter –3dB@35Hz24dBLinkwitzRiley
Sensitivity 98dB @ 1 W, 1 metre
Maximum SPL 128peak,125 continuous
Amplifier power 400 Watts RMS 8 ohms, 625 W Peak
Amplifier type LateralMosFet
THD <.01%
Loudspeaker protection ISCamplifieranti-clippingcircuitry,Relay
mutedinput,Relayswitchedoutput
sensing DC and RF error
Status LEDs ACPower,ProtectionActive
AC Power 110V / 220V / 240V 50 / 60Hz
AC Power Input NeutrikPowerConlockingtype
NAC 3 FCA
AC Power Loop NeutrikPowerConlockingtype
NAC 3 FCB
AC Power protection Userresettableexternalcircuitbreaker
AC Wattage Max 600 VA (600 Watts)
Transformer type Toroidal

SPL SUB15 Owner's Manual v 1.1 ©2003 ARX® SPL SUB15 Owner's Manual v 1.1 ©2003 ARX®
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BALANCED INPUT CONNECTORS 3 pin female XLR type connectors receive the input signal -
typically from the effects rack or mixing console. Internal circuitry will AutoSum to mono if both A
and B inputs are used. Wired Pin 1 Ground, Pin 2 + (Hot) Pin 3 – (Cold)
LOOP OUTPUTS 3 pin male XLR type connector sends the signal on to another cabinet if
required. Wired the same as the input
LEVEL CONTROL Adjusts the volume of the SPL SUB15; variable from –10 to +6 dB SPL
CABINET SETTINGS SWITCH Switched to Normal if being used with other ARX SPL cabinets
(eg SPL 12), but may need switching the Phase Reverse if used with other brands
SYSTEM PROTECT LED This LED will illuminate if the amplifier has encountered a problem.
Switch off AC power, wait 15 seconds, and switch back on. If the problem was temporary, the
cabinet will now operate. If not, arrange for a service inspection
AC POWER SWITCH and LED This LED illuminates when cabinet is connected to AC Power and
switched ON
CIRCUIT BREAKER This will trip to protect the internals if the cabinet encounters AC power
problems. Press the RED button IN to reset. If it continues to trip, remove the cabinet from use
and arrange for checking by an authorised ARX service centre. Please don’t try to take the cabinet
apart yourself - there are no user-serviceable parts inside, but there are dangerous voltages, even
after the cabinet has been switched off and disconnected
AC POWER INPUT AND OUTPUT The input connector is designed to receive the Neutrik
PowerCon NAC3FA. This is a fully safety approved latching ‘twist-and-lock’ AC connector. For
looping power to another SPL series cabinet, a complementary output connector, the NAC3FB, is
also provided.
WARNING MESSAGES These could save your life and other people’s. Please read them
carefully. Never poke around inside the cabinet, even when it is switched off. The SPL SUB15 is
designed for floor stacking only; no flying points are fitted. If flying is required, contact ARX directly
or your ARX distributor
SERIAL NUMBER Unique to your SPL SUB15. Please use it in any correspondence with ARX
AC VOLTAGE This will indicate the voltage that the cabinet is expecting to see on the AC power
connectors. Please ensure that it is correct for your area before plugging it in!
www.arx.com.au Our Internet site has product news, advice, technical notes, and lots
more information on all ARX products. Check it regularly for the latest updates
SPL SUB15 REAR PANEL Setting up and using the SPL SUB15
The SPL SUB15 is very straightforward to setup and start using, but a few basic steps
should be followed.
1. Connect the signal and power cables to the SPL SUB15(s) before switching it on.
2. Connect and switch on all preceding equipment (mixer, EQs, etc) before switching
on the SPL SUB15(s), but make sure their level controls are pulled down. The SPL
SUB15 will switch itself on and off silently, but will reproduce (at very high SPL!)
whatever switch-on noise or signal that is sent to it.
Positioning the SPL SUB15
Being a Bass/Sub-Bass loudspeaker, the SPL SUB15 is non-directional in terms of Low
Frequency dispersion. To increase overall Low Frequency Sound Pressure Level,
multiple SPL SUB15 cabinets can be arrayed side by side or stacked as required
Other cabinets (eg SPL 8H cabinets) can be stand mounted on top of the SPL SUB15
Sub using the optional pole mounting kit Part # SPL-PMK-1 (see pic below left).
Note: Avoid having all the weight of the cables hanging on the connectors by tying off to
one of the handles as a strain relief.
11
12
12
"
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IMPORTANT SAFETY NOTE
Flying any speaker cabinet is dangerous if done by
inexperienced operators and/or when using the wrong
equipment.Ensureallriggingissafetyratedtoaminimum
of5xtheweightofthecabinetto be flown, and is done by
licensed riggers.
Do NOT fly the SPL SUB15
The SPL SUB15 is not fitted with any flying/rigging points, and is designed to be ground
stacked rather than flown.
Should flying the cabinet be essential, DO NOT FIT FLYING POINTS YOURSELF, but
contact ARX directly or your ARX distributor for details of the procedure to be followed.
See contact details on page 8.

SPL SUB15 Owner's Manual v 1.1 ©2003 ARX® SPL SUB15 Owner's Manual v 1.1 ©2003 ARX®
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Introduction
Thank you for choosing this ARX SPL SUB15 Integrated Self-Powered Sub-Bass
speaker system. We hope you enjoy using it as much as we enjoyed creating it. As with
all ARX equipment, it has undergone precise factory calibration, testing and ‘burn in’
before shipping. To ensure continued trouble free use, please familiarise yourself with
the contents of this owner’s manual before using your SPL SUB15 system.
About the SPL SUB15
The SPL SUB15 represents a major change in the way we think of a speaker system. Its
internal amplifier is fully integrated with the speaker combination to create a totally
transparent, powerful and efficient ‘building block’ low frequency module.
The reflex loaded subwoofer and amplifier combination uses a single 15” long throw
driver. Its trapezoidal, arrayable layout is designed to provide extended low frequency
from 45 Hz to 100 Hz in flown or ground stacked multi-cabinet speaker systems.
The cabinet is built throughout from premium grade void free plywood, and is painted in
multiple textured coats of catalysed polyurethane, with a heavy duty perforated steel
mesh grille.
Designed as a complementary sub bass cabinet for SPL8H arrays, the SPL SUB15 can
easily be used with other speaker systems. Since its control electronics and amplifier
are built-in, the SPL SUB15 is the perfect add-on when more low frequency output is
required - for any system! All that’s required to vary the system setup are some patch
leads and an AC power feed.
Inside Information
The amplifier design inside the SPL SUB15 uses ARX’s existing proven analog amplifier
technology for predictable operation in all professional applications.
Its transformer based power supply and Mosfet drive circuitry both enable a reduced
parts count for long term reliability. Plus, with their inbuilt self regulation, Mosfets are
accepted as being the most thermally reliable and predictable amplifier output stage
available.
Benefits
The acoustic and practical benefits of this amplifier/speaker combination are many:
• Improved speaker response. The close-coupled design delivers greater actual power
at the speaker and improves the damping factor. Frequency response is optimised
and phase response is idealised with no potential for mis-adjustment
• Thermal reliability. Thanks to our unique heat exchange/cooling design, the harder
the system is driven, the more efficiently the heat exchanger operates.
• There is no power loss caused by long runs of loudspeaker cable which can typically
be 30 metres (100’) or more. All the amplifier power is delivered to the speaker.
• Reduced number of connections contributes to inherent low noise, and greatly
reduces the possibility of ground loops.
To sum up, the SPL SUB15 successfully combines state of the art design with practical,
proven technology. It delivers an integrated Sub-bass solution with all the impact that
today’s audiences expect.
Other Features
• Locking AC power connectors. By using the Neutrik PowerCon design, the power
connector locks to the cabinet, avoiding the problem of a normal IEC connector
vibrating loose during a performance. This can be a nuisance when the system is
ground stacked, and a real problem when the system is flown!
• Noiseless turn on/turn off.
As well, an extra auxiliary AC power output is fitted as standard, so that systems can be
powered in a serial/daisy chain layout rather than radially from a central point, thus
reducing the cabling required, to a maximum of 4 cabinets.
At ARX we have designed the SPL series to be a true ‘building block‘ audio system.
• It is truly cost effective, with no need for speaker cabling, extra amplifiers or amp
racks.
• Ease of installation - simply connect AC power and a signal.
• The modular concept means total flexibility, with system inventory kept at the most
efficient level. To increase or decrease the size of the system, simply add or remove
cabinets as required.