Onyx 15SXA / 18SXA
Active Subwoofer with Passive Outputs
User Manual
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
Introduction
Thank you for purchasing this Devine Onyx SXA active subwoofer. We advise that you read this user manual
in its entirety before unpacking the contents of the box, so that you are familiar with all of the functionality
that this product has to offer. Please be sure to check that all of the parts and accessories listed below under
'box contents' are included in the package. In the event that the product does not function properly, or if you
have any issues while operating it, please remove the plug from the power socket and contact your dealer for
assistance.
Box contents:
– Devine Onyx 15SXA / 18SXA Active Subwoofer
– Power Cable IEC C13 to Schuko
Please inspect the device and the included accessories.
Should you discover that either the device or any of the included parts have been damaged or rendered
defective while in transit, please contact your dealer directly.
Please note that the images included in this user manual serve illustrative purposes only and may differ
slightly from the product you receive.
Contact:
Devine Pro Audio Products
Verrijn Stuartweg 18
4462 GE Goes
The Netherlands
Please do not send any products to this correspondence address.
Should you wish to send in a product for repair or for a refund, please contact your dealer for an RMA
(Return Merchandise Authorisation).
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
Safety Instructions
Everyone involved with the installation, operation and maintenance of this device must:
- Be qualified
- Be skilled
- Have read the instructions in this user manual
- Be sure that neither the device nor the included accessories are damaged. Should the device or the
included accessories be damaged, please contact your dealer for more information.
- Ensure that the device is in good working condition and safe to operate. Please follow the advice and
instructions as they are described in this user manual.
Damage caused by misuse and/or modifications made to the device are not covered by the warranty.
This device does not contain any parts that need to be repaired or replaced by the user. Should maintenance
or repairs be necessary, they must be handled by a qualified technician.
Important information regarding health and safety:
- Do not remove any labels or stickers from this device.
- Do not leave any cables lying around.
- The device should not be opened up, and any hardware or software that may be present should not be
modified.
- To achieve optimal performance, inputs on this device should not be fed with a signal higher than
necessary.
- The device should only be used indoors; contact with moisture, water and rain should always be avoided.
Do not place any objects containing liquids on top of the device.
- Remove the device from any nearby flames or heat sources; do not place it near flammable fluids, gasses
or objects.
- Disconnect this device from the power supply if it will not be used for a longer period of time, if maintenance
is necessary, or if the device needs to be cleaned.
- Do not pull on the cable to remove a connector, as this could cause damage.
- Do not use any cables other than the ones described in this manual. Do not use defective cables. Please
contact your dealer if the included or necessary cables do not function properly with this device.
- Only use this device with power from a grounded power source.
- In the event that the device is exposed to extreme temperature changes (e.g. transported through a cold
outdoor environment into a warm indoor environment), it should not be turned on until it has reached room
temperature. This is necessary to prevent moisture from forming in the device, which could lead to electric
shocks.
Guidelines and operation of this device:
- This device is intended for indoor use by adults.
- This device is not suitable for use by children, and should always be operated by an adult.
- This device should only be used in a suitable environment where no damage to the device can occur. Do
not use the device in moist or dusty environments such as:
- indoor swimming pools where chlorine is used
- beaches where there is sand and salt
- outdoors
- indoors in spaces where intense heat sources are present, or where it reaches temperature levels
that would be considered uncomfortable for a person
- Avoid impacts and collisions during use and transport. Do not transport the device while it is in use. Avoid
using excessive force when installing and operating the device.
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
WARNING!
Keep this device away from moisture, water and rain to avoid the chance of electric shocks.
- The user should become familiar with the functions of this device before using it.
- The user should be able to stop the devices's power supply in case of emergencies. At least one of the
following should therefore be accessible at all times:
- the power cable connector on the back of the unit
- the power socket the cable is plugged in to
- the power socket switch or extension cable switch
- Should the device not be used in the manner described in this user manual, damages or even injuries could
occur. Devine cannot be held responsible for any injuries or damages that occur as a result of improper use
of this product.
Storage and transport:
- This product is designed for mobile use. It can be transported separately as long as it’s well-protected
against shocks and collisions.
- This device is not designed for permanent (24/7) use. The expected lifespan of the device will not be
affected by occasionally turning the device off. Disconnect the device or turn off the power when it is not
actively in use.
- If the device will not be used for a longer period of time, it should be disconnected and stored in a dust-free
environment.
- Do not expose the device to extreme temperature differences.
Housing
- Inspect the device's housing frequently, and always just before use. Avoid operating the device if there are
large dents or cracks, or if screws are missing. Do not use the device if the housing is not in good condition.
Contact your dealer or a qualified technician if you are unsure about the state of the device.
- Check the device and the screws for corrosion. Corrosion must not be present on this device. Contact your
dealer or a qualified technician if you find any corrosion on the screws.
Every power and signal connector should be securely mounted. Do not use the device if the connectors are
not secure.
Avoid dust and dirt build-up. Clean the device once a month by disconnecting it from the power supply and
wiping it down with a dry or slightly moist cloth. If the device is used frequently, the cleaning intervals should
increase.
Symbol explanation:
WEEE: Ensure that this device is disposed of properly. This product falls under the WEEE
(Waste Electrical and Electronic Equipment) directive. The requirements of this directive apply
to all manufacturers and producers of electronic devices in the EU. Do not throw this product
away with regular rubbish. Please contact your local authority for more information about how
to recycle and dispose of these products in your region. By recycling this product in the proper
manner, we can work together to ensure that we can continue to enjoy these kinds of
products and still protect the environment as much as possible from pollution.
CE: The CE logo indicates that this product meets the European norms and requirements to
which it must legally conform.
Only suitable for indoor use: this product was only designed for indoor use. The maximum
environmental temperature must not exceed 40 degrees Celsius (104 degrees Fahrenheit).
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
Overview and Operation of the Device
Devine Onyx 15SXA/18SXA
1. Left and right volume control with peak indicator
2. Line combo inputs (6.35mm TRS jack / 3-pin XLR)
3. Link outputs (balanced 3-pin XLR)
4. Subwoofer volume control with peak-indicator
5. 0 – 180-degree Phase switch
6. Stereo / Mono setup switch
7. Ground lift switch
8. DSP preset selection (Main, music, live, speech)
9. Satellite outputs via lockable speaker output, including cross-over curve switch
10. IEC C14 power input with fuse holder
11. Power switch (on/off)
12. Voltage switch (default 230V)
13. Crossover / HPF switch
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
Operating the Device
Onyx subwoofers can be used for different purposes, but it's important to be aware of the following
information before use in order to achieve optimal performance.
Warning Before Use
Devine's Onyx subwoofers are capable of producing volume levels that can cause temporary or permanent
hearing damage. Use these units with care and keep the volume at a reasonable level when possible. The
volume should ideally be set to a comfortable level when listening to music.
Devine cannot be held liable for any injuries or damage resulting from the use of this product.
General Use
Housing
This Onyx subwoofer has a housing made of wood that’s reinforced with bracing on the inside for an overall
solid construction. The exterior has been finished using a special lacquer that’s resistant to light impacts and
scratches.
Ensure that during use, storage and transport the subwoofer is securely placed and cannot topple over or be
damaged by nearby objects that might fall or shift.
Handles
The Onyx subwoofers are fitted with handles on the side. Except for the 18” version, all models have one
handle on both sides. Due to the size and weight of the 18” version, it has two handles per side.
This eases the handling and transporting of the subwoofer. Stacking multiple subwoofers is possible with a
maximum of 3 per side. While the use of fastening straps is possible, these may damage the lacquer finish.
Wheels
The subwoofers have screw threads and bolts to accommodate the mounting of wheels. Standard
80/100mm wheels from all well-known manufacturers can be mounted as long as the distance between the
centre of the bolt holes measures 80 x 60 mm. Any combination of fixed and swivel castor wheels can be
installed; whether braked or not. Braked wheels are recommended, however, so that the wheels are fixed in
place and cannot cause any unwanted noise when the subwoofer is being used.
For transportation in a car, van or truck, it’s recommended to remove the wheels and install the rubber feet to
prevent the subwoofer from shifting while in transit.
If you do not wish to install wheels because the subwoofer is, for instance, used as part of a fixed installation,
it’s recommended to leave the pre-installed bolts in the subwoofer as holes and apertures in the housing will
cause air leakage.
Protection During Transport
While Onyx subwoofers can be transported, they are not waterproof and caution is therefore advised if they
are taken outside when raining or in adverse weather conditions. If they are exposed to moisture in any form,
ensure that they are completely dry again before use. Failure to do so may result in a short circuit which
could cause permanent damage or injury. Exposure to moisture can also cause visible or invisible corrosion
which may cause damage in the long term.
Grille
Onyx subwoofers are equipped with a metal grille on the front that protects the speaker components behind.
The grille should not be removed by the user. The acoustic foam behind the grille keeps the components
safe from moisture, dust and other small particles.
Distance Rod Flange
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
Devine Onyx subwoofers are fitted with a flange with an M20 screw thread into which a distance rod can be
securely screwed to form a stable base on which a full-range speaker (satellite speaker) can be mounted.
Using this kind of set-up saves the space that a normal speaker stand would take up. Since the weight of a
subwoofer is usually greater than that of a standard speaker and has a larger top surface, it provides a more
stable base than a stand. Always make sure to place the subwoofer on a completely level surface that is able
to withstand the combined weight of a full-range set up.
Voltage Switch
This speaker is fitted with a voltage switch so that it can be used in multiple set-ups. The voltage switch is
usually set correctly and should not be changed. The voltage switch is normally set at 230V as standard. If
you have any doubts, contact your retailer for further advice. Please note: when using a different voltage, a
fuse with a different value needs to be installed. For more information about this, see the specifications.
Audio Technology
The Onyx series comes with various functions that aim to make the life of an audio technician that bit easier.
By following the tips and instructions below, you’ll be able to get the best possible performance and sound
quality out of your new speaker.
Connecting SXA Subwoofers to Passive Speakers
The Onyx SXA subwoofers operate at their best in combination with your retailer-selected Onyx speakers.
The SXA subwoofers come fitted with locking speaker sockets that can be used to connect passive speakers
using compatible cables (not included).
The impedance of any connected satellite speakers must be a minimum of 8 Ohms. It’s not possible to
connect multiple 8-Ohm speakers to a single output as this may result in problems due to amplifier overload.
Connecting Signal Sources with Cables
The Devine Onyx 10SXA is fitted with professional balanced combo-sockets to which both standard jack and
XLR plugs can be connected. These sockets are compatible with most professional audio equipment
including DJ controllers, DJ mixers, PA mixers and so on.
LED Indicators
The green LED on the subwoofer lights up when the speaker is turned on and connected to an active power
source.
Each red LED for the volume controls is an indicator for the CLIP/PEAK limiter and will light up when the
amplifier module is overloaded after being fed an excessively strong input signal. If this occurs, turn down the
volume of the corresponding speaker to attenuate the signal. Try to configure the speaker system in such a
way that the LED doesn’t light up and keep monitoring and listening to ensure the sound maintains its quality.
Next to causing permanent damage, overloading the amplifier module can significantly shorten the lifespan
of any of the speaker components or the amplifier. Any damage caused by incorrect use of the subwoofer or
the speaker is not covered by the warranty.
Link Outputs
The link outputs on the Onyx series subwoofers are included to accommodate additional active satellite
speakers and to determine the scalability of your speaker system. It is, for instance, possible to connect a
number of smaller passive speakers for monitoring and set up larger speakers for the audience.
Using a Microphone
It’s not possible to directly connect a microphone to any of the Onyx subwoofers. It is advisable to first
connect a microphone to a PA mixer so that you have control over the sound and volume. The master output
of the mixer can then be directly connected to the subwoofer.
For optimum sound quality, make sure to hold the microphone close to the mouth: a maximum of around
5cm from the lips. Speak loudly and clearly into the microphone so that minimum amplification and gain is
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
needed. Microphones are usually directionally sensitive and as such, will not pick up any sound that’s
directed at its sides or from behind.
Never hold a microphone in front of the speakers since this will cause a feedback loop and result in a very
high and piercing tone. If feedback does occur, move the microphone away from the front of the speaker
immediately and turn the volume down so that the feedback loop is closed and the noise is stopped.
It is always advisable to have speakers or vocalists stand beside or behind the speakers to avoid any
possible feedback. If it’s directly in front of, or just to one side of a speaker, the microphone is likely to pick up
the sound coming from the speaker and cause feedback.
Using External Equipment
It's possible to use the Onyx subwoofers with external equipment like crossovers, equalisers and speaker
management systems. Bear in mind that using external equipment may change the sound character of the
speaker.
0-180° Phase Switch
This switch can help solve any low-frequency inhibiting acoustic problems. Normally, this switch is set to 0°
but it is possible to set it to 180° if you experience any acoustic problems in combination with the satellite
speakers being used.
Crossover Switch/ HPF
The crossover switch can be used to send the lower frequencies to the subwoofer and the higher
frequencies to the connected passive speakers. Using the switch, the crossover frequency can be set
between 100 and 140 Hz. For a deeper sound, you can turn it to 100 Hz. If you prefer that the subwoofer
takes care of a larger portion of the lows to achieve optimal passive satellite speaker performance, then set it
to 140 Hz. Feel free to experiment with the settings to find what best suits the situation.
DSP presets
The 15SXA and 18SXA subwoofers come with built-in presets which can be used to determine the basic
settings depending on the situation or purpose.
The following presets can be selected:
- Main: This is the main preset to get a balanced sound from all connected speakers.
- Music: This preset can be used when the connected combination of speakers is used for music playback. It
boosts the lower frequencies for a fuller sound.
- Live: This preset is perfect for live use (e.g. a small band including vocalists). The higher frequencies are
sharpened in order to better cut through the mix.
- Speech: This preset can be used to more effectively reproduce the higher frequencies while attenuating the
lows. It ensures increased intelligibility when the system is specifically used for speech (e.g. during
presentations).
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
Subwoofer Troubleshooting Guide
If you have a problem with your subwoofer, please consult this troubleshooting section for possible solutions.
If, after consulting this section, the problem remains unresolved, please contact your retailer for more
information and/or help.
This troubleshooting section contains information on how to solve the most common subwoofer problems,
but it does not and cannot cover every eventuality. It is possible that you won't find your problem, cause and
solution in this section because product details may differ.
Problem Possible cause Solution
Speaker does not turn on with
mains power
Defective fuse Check the fuse, which is located
under the power input, to rule out
of it's blown or not. If it is blown,
replace it with a new fuse of the
same type and class.
Problem with the power cable Check that the power cable is
plugged into an active power
socket and the speaker properly.
Try using another cable of the
same type to determine if there's a
problem with the power cable and
if there is, replace the problem
cable.
Speaker doesn't turn on Check if the power switch on the
back of the speaker is set to the
'on' position.
Power LED doesn't light up If the speaker is connected to an
active power socket, the fuse has
been checked and the power
switch is ON but the power LED is
not lighting up, there may be a
problem with speaker itself. In this
case, the speaker should be
turned off again and you should
contact your dealer for assistance.
No sound via one of the inputs Cable not connected properly Make sure the cable between your
sound source and the speaker is
connected properly.
Switch in wrong position If present on the input channel, set
the signal switch to the correct
position for the connected device.
Microphone is not on Make sure the microphone switch,
if present, is switched on.
No sound from the master output Volume control is not turned up Turn up the master control volume
to a sufficient level.
Red Clip Limiter LED lights up
often or continually
Volume is too high Decrease the volume level on the
speaker or the connected audio
source device. Continuous
exposure to overloading can cause
permanent damage.
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
Connected device is transferring a
distorted signal
Check if any of the connected
source devices are transferring a
distorted signal and turn down the
volume on the offending device if
necessary.
Volume control is too loud Turn the volume down
The tone controls for treble and/or
bass are too high or too low.
Turn the tone controls back to 12
o'clock and listen to hear if clipping
is still audible.
The sound from the subwoofer is
ducking out or is more present in
certain places
Incorrect positioning / acoustics Try to reposition the subwoofer to
see if this solves the problem. If it
does not, use the phase button.
This can help normalise the
acoustics of the room. If this
doesn’t solve the problem then two
or more subwoofers may be
required to further amplify the
sound.
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
Specifications
General specifications for all models:
– solid subwoofer with strong plywood housing
– available in 15 and 18 inch
– metal grille with acoustic foam on the inside
– acoustic foam protects internal components from moisture, dust, confetti and other matter
– grille covers the entire front for optimum protection of internal components and for a clean look
– high quality finish with black scratch-resistant lacquer
– rubber feet
– filtered and unfiltered line inputs
– M20 flange for distance rod installation (max. capacity 30 kg, distance rod not included)
– built-in CLIP limiter
– power LED indicator and Clip LED indicator
– two-band tone control (Bass / Treble)
– built-in 3-channel power amplifier
– two outputs for passive satellite speakers (8-Ohm minimum)
– IEC C14 power input with fuse holder
– on/off switch
Connections Mixer Section:
– combo line inputs (6.35mm TRS jack and 3P XLR)
– link outputs via balanced 3P XLR
Technical specifications per model:
Model Onyx 15SXA Onyx 18SXA
Frequency Range 40 Hz – 250 Hz 30 Hz – 250 Hz
Power Capacity (RMS) 840 W (600 + 120 + 120)
Maximum SPL 126 dB 136 dB
Low Frequency Speaker 15” woofer with 3” voice coil 18” subwoofer with 4”
voice coil
Power Supply 100 / 240V AC, 50/60 Hz
Fuse T5AL 250V (in 220 – 240 V mode)
T10AL 250V (in 100 – 120 V mode)
Nominal Maximum Power
Consumption
1000 W
Dimensions 545 x 720 x 640 mm 625 x 720 x 695 mm
Weight per Speaker 33 kg 39 kg
The information in this user manual is subject to change at any time without notice.
Version: 1.0 Date of creation and author's initials:11-01-2020 RV Revision date and author's initials: -
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