MT4 - Speaker CABASSE - Free user manual and instructions
Find the device manual for free MT4 CABASSE in PDF.
| Product type | Active subwoofer |
| Brand | CABASSE |
| Model | MERCURE MT4 |
| Dimensions (H x W x D) | 44 x 36 x 45 cm |
| Weight | 21 kg |
| Power supply | 115/230 V AC, 50/60 Hz (switchable) |
| Maximum consumption | 165 W |
| Frequency response | 35 - 200 Hz |
| Filter (crossover frequency) | Adjustable from 30 to 180 Hz |
| Rated power | 250 W |
| Peak power | 750 W |
| Maximum sound pressure | 114 dB |
| Phase selector | 0° or 180° |
| Inputs | 2 low-level inputs (RCA) and 2 high-level inputs (screw terminals) |
| Outputs | 2 high-level outputs (screw terminals) for main speakers |
| Finish | Light oak woodwork, black or beige frame |
| Maintenance and cleaning | Unplug before cleaning; use a damp cloth, no solvents |
| Safety | Do not expose to moisture, do not block ventilation, unplug during storms |
| Spare parts | Use only original CABASSE parts |
| Recommended placement | On the floor, against a wall to reinforce extreme low frequencies |
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USER MANUAL MT4 CABASSE
Attention aux chariots de manutention
Thank you very much for choosing Cabasse speakers.
Please read carefully these instructions before setting up your speakers.
SAFETY INSTRUCTIONS
Explanation of graphical
symbols - The lightning flash
with arrowhead symbol, within an equilateral triangle, 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 to persons.
The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
Instructions - Carefully read through all the safety and operating instructions before switching on any device for the first time.
Keep these instructions in mind - They will be constantly referred to through this manual.
Pay special care to warnings - All the warning labels on the product or warning notes in the user's manual must be followed.
Follow the instructions - Follow carefully all the installation and operation instructions.
Cleaning - Always take off the power cord before cleaning the device. Do not use cleaning solvent, whether liquid or air spray. Using a soft damp cloth is recommended.
Accessories - To avoid incidents, only use accessories expressly recommended by Cabasse.
Water and moisture - The product shall not be used in damp or wet locations, such as humid basements, next to a bathtub, sink, swimming pool or any other similar conditions.
Carts and Stands - The appliance should be used only with a cart or stand that is recommended by the manufacturer.
Portable cart warning
Installation on a piece of furniture and stands -
Do not place this device on an unsteady surface, i.e. a stand, tripod, table, shelf, etc. It may fall and cause serious injury to a nearby child or adult.
Ventilation outlets - The device shall not be placed in a position that restrains the operation of its fans. Avoid installing the device on a bed, couch, blanket or other similar surfaces that may prevent the appropriate air flow. Do not install the device in a confined space, such as a book shelf or other piece of furniture, that could prevent sufficient air from flowing freely.
Power - The device shall only be connected to a source of power compliant to the one described in this manual or on relevant printed labels on the product. If you are not sure of the type of power available, please contact your reseller or the local power company.
Applicable for USA, Canada or where approved for usage
Caution! To prevent electric shock, match wide blade plug to wide slot, insert fully.
Power cords - The power cords must be laid out in such a way that they cannot be walked on, pinched, bent under other devices. Also pay special attention to the matching of the plugs and the connection of the cord to the device.
Lightning - For better protection against lightning or if the device must remain unused for long stretches of time, unplug the power cord and antenna jack. This minimizes potential damages due to lightning or line surges.
Overloads - Avoid overloading the power plugs, extension cords or power relays. This could result in fire or electric shocks.
Foreign bodies and liquids - Avoid letting foreign materials or liquids enter the device. They could cause fire or electric shocks. Never spill any liquid on the device.
Maintenance - Users must never attempt to maintain the device on their own, except for those maintenance operations described in this manual. Any task beyond regular user maintenance must be performed by qualified service operators.
Troubleshooting - You must unplug your device from the power supply and have it checked by a qualified technician if:
The power supply or the plug is damaged.
Foreign bodies or liquid penetrated the device.
The device was exposed to dripping or splashing.
The device does not seem to work correctly under normal operating conditions. Only operate the controls described in this manual. Any other operation could damage the device and require on-site visit of a qualified technician.
The device has fallen or its housing is damaged.
The performances of the device are strongly altered.
- Spare parts - If spare parts are needed to repair the device, make sure that the technician followed the manufacturer's recommendations or that the replacing parts feature the same specifications as the original ones. Non-compliant parts can result in multiple damages, including fire or electric shocks.
Checks - After any servicing of the device, ask the technician to perform appropriate testing to make sure that the device works safely.
Exposure to high temperatures - The device should be kept away from heating sources, such as radiators, heaters, amplifiers or any other similar item likely to make the operating temperature rise excessively.
UNPACKING①
After opening the top carton flaps, remove the grille. Then fold the carton flaps right back and invert the carton contents. Lift the carton clear of the contents and remove the inner packaging from the speakers. We suggest you to retain the packing for future use.
POSITIONING
Speakers positioning
Our speakers have been designed to function in a vertical position. Under these conditions, the polar response is most uniform .
The majority of our models are delivered with a set of decoupling spikes or cones③, these accessories are to be screwed in the inserts under the cabinets. These accessories ensure the stability of the speaker while limiting resonance coming from
certain types of grounds like wood floors.
Speakers are delivered with a front grille to protect drivers. It is possible to use them without this front grille, but we recommend this protection to be kept on to prevent accidental damage to the drivers④.
Powerful drivers generate magnetic fields that can extend beyond the boundaries of the speaker cabinet. We recommend you keep magnetically sensitive articles (TV, computer screen, computer discs, audio and video tapes, swipe cards...) at least 1.5 ft (50 cm) away from the speaker. Cabasse centre speakers or the ones marked «TV» are not concerned with this, being magnetically shielded.
Positioning speakers in a room
In addition to vertical position of the speakers themselves, their location in the listening room, as well as the acoustical characteristics of the room, are also very important. As it is impossible to indicate a typical location of speaker systems without a few tests, we suggest several general rules that are important to apply in order to obtain the best listening results.
Optimal positioning for a 2.0 or stereo system⑤
For the ideal positioning of your speakers follows diagram. If d is the distance between the two speakers, this distance must be higher than 5 ft (1.5 m) and the two speakers must be at equal distance from the listening area which forms with them an equilateral triangle.
The drivers must be directed towards the listening area.
The speakers should be located so that their diffusion follows the longest dimension of the room.
Generally speaking it is better to avoid putting the speakers in the corners of a room as this amplifies the low frequencies and tends to enhance the room resonances. If possible it is better to place the speakers at least 8 inches (20 cm) from the walls.
Moreover, in order to obtain a more accurate frequency response, it is recommended to raise a compact speaker from 12 to 16 inches (30 to 40~cm ) above the floor by placing them on stands. The tweeters of the speakers must be roughly at the same height of the listener's ear when the listener is in sitting position.
- No solid object or piece of furniture should be placed between the speakers and the listener. An effect of mask, even partial disturbs completely the sound reproduction as it attenuates the high frequencies and also, in most cases, the midrange frequencies.
- Placing the speakers in niches is not recommended. Unless designed for this application, bookshelf placement will alter the frequency response of the speaker, especially in the low frequencies. If a bookshelf location cannot be avoid, the speaker should be set up to minimize various resonance, and the visible part of the grille must be outside the niche.
Optimal positioning for a 2.1 or stereo with a subwoofer system
For a stereo listening with 2 speakers or 2 satellites and 1 subwoofer, we recommend you to place the subwoofer in the front listening area. The placement of the subwoofer against a wall reinforces the low frequencies and limit the reflections from 80 to 200Hz . However to obtain the best results, it is always necessary to carry out tests according to the acoustic of the room.
Optimal positioning for a 5.1
or home theatre system⑦
Setting up a multi-channel Audio-Video system requires great
care when positioning the specific AV speakers.
The centre speaker should be placed as close as possible to the screen and where it sounds best from your listening spot while offering the optimal picture/dialogues cohesion. Theoretically, the screen should be located within a virtual triangle formed by the acoustical centres of the main speakers and the centre speaker. Practically speaking, this means that the principal speaker should be placed above the screen if the main speakers are below it, and below the screen if the main speakers are above. The centre speaker should also, if possible, be set slightly back from the others, so that it is located at the same distance from the listener as the main speakers.
- The rear speakers or surround should be placed against the side walls, at listening height. They should not be positioned far behind the listening zone.
The subwoofer should be placed in the front listening area, its position against a wall reinforces the extreme low register and limits the reflections between 80 and 200Hz . However to obtain the best result, it is always necessary to carry out tests according to the acoustics of the room.
Your AV processor enables the adjustment in level and delay of each of the 5/6/7 channels of your system. Fine-tuning is necessary to obtain a perfect sound stage.
Turn off all the amplifiers before interconnecting them to the loudspeakers. In order to connect loudspeakers properly, it is most important to keep in mind the following two factors: cable section and phase.
CONNECTION
Cable section
To get the full sonic potential of Cabasse loudspeakers and avoid power losses, the cables connecting the speakers to the
power amplifier must have the lowest possible electrical resistance. To help you in choosing the correct cable gauge, follow diagram.
| Lenght between amplifier and loudspeakers | recommended section |
| 4.5 m | 1.5 mm² |
| 6 m | 2 mm² |
| 7.5 m | 2.5 mm² |
| 9 m | 3 mm² |
| 12 m | 4 mm² |
Phase
In order to maintain the phase relationship and frequency balance of the loudspeaker system, both loudspeakers must be properly connected to the power amplifier. When properly connected, the cones of the drivers of both loudspeakers will move in the same direction when driven by identical speakers will move in the same signals. If the cones move in opposite directions, the resulting out of phase signals will create a perceptible power loss, particularly in the low frequencies. The stereophonic message will also be degraded. Amplifier and speaker manufacturers typically indicate connection polarity in one of two ways: red and black or plus and minus. In either case, always connect red or plus to red or plus and black or
minus to black or minus. Connections should be identical for both channels. To check that the speakers are in correct phase, switch the system to mono while music is being played. if the amplifier does not have a phase inversion switch, it will be necessary to change over the connections on one only of the loudspeakers. If in correct phase, the image should
be distinctly located between the loudspeakers with a slight loss of bass and low midrange level. If the image is confused and not centrally located and there is a drastic loss of bass and low midrange level, recheck your connections.
HOME THEATER CONNECTIONS WITH AN ACTIVE SUBWOOFER
Subwoofer positioning
With a crossover point below or around 150Hz , the installation position of subwoofoers is not limited as human ears and brains are not able to identify the emitting point of such low frequencies. To get the best result, it is recommended to try different positions and choose the one giving the best response in the low frequencies, taking into account the room acoustics.
Hooking up the subwoofer
2 possibilities are offered to connect the subwoofer with your system:
- the low level one requiring the use of the Cinch RCA LINE IN® and LINE OUT® terminals and shielded coaxial connectors,
- the high level one requiring the use of the HIGH LEVEL INPUT® and HIGH LEVEL OUTPUT® terminals and standard loudspeaker cables.
The inputs are stereo ones, the mix of the L (left) and R (right) low frequencies being done by the amplifier of the subwoofer. If the input signal is already mono, only one input L (left) or R (right) should be used.
Interconnections with the Cinch RCA LINE IN ⑧ and LINE OUT ⑨ connectors
Connections to the LINE IN⑧
If your preamplifier or your integrated amplifier is fitted with a stereo low-level output, then connect its L (left) and R (right) outputs to the L (left) and R (right) LINE IN 10 inputs of the subwoofer. If your amplifier offers a one mono output, connect it to either the L (left) or the R (right) subwoofer LINE IN 10 inputs.
Connections from the LINE OUT
The signal from the L (left) and R (right) LINE OUT ⑧ connectors is the one being brought in by the L (left) and R (right) LINE IN ⑧ connectors filtered at 40Hz . These outputs can thus be used to bring the signal to the amplifier powering the main loudspeaker.
Interconnections with the speaker terminals
Connections to HIGH LEVEL INPUT⑩ plugs
If the preamp section of your Hi Fi or audio-video system is not fitted with a low level output, you should then connect the subwoofer by using its loudspeaker terminals. When connecting the L (left) and R (right) speaker outputs of your amplifier to the HIGH LEVEL INPUT⑩ plugs of the subwoofer, be careful not to cross (-) and (+) cord of either L (left) or R (right) channel. Such a phase inversion might damage your main amplifier.
Connections HIGH LEVEL OUTPUT⑪ plugs
These outputs can be used to bring the signal to the main loudspeaker systems.
The signal from the L (left) and R (right) HIGH LEVEL OUTPUT⑪ plugs is the one being brought in by the HIGH LEVEL INPUT⑩ connectors. These outputs can thus be used to bring the signal to the main loudspeaker systems.
Power supply
The AC in 18 cord must be connected to the mains to supply the subwoofer. The selection of the right voltage 115V - 230V is done with 115V - 230V13 . Switch POWER 14 , on STAND BY or ON. With the switch on the STAND BY position, the unit will mute after a few minutes without input signal. The system turns on automatically when signal comes back.
Adjustments
LEVEL15
For a first volume adjustment, position the CROSSOVER FREQUENCY at around 120Hz , and turn slowly the LEVEL clockwise from minimum level up to a position where you feel that the subwoofer sound level is appropriate. A check of the level adjustment will be necessary after following steps.
CROSSOVER FREQUENCY(16)
This potentiometer adjusts the cut-off frequency which determines the working bandwidth of the subwoofer. This adjustment should be done according to the specifications of the main speakers and the room acoustics. Choose the best frequency after various listening tests.
PHASE(17)
For a better sound integration of the subwoofer in the main system, the PHASE (17) of the subwoofer might have to be inverted ( 180^ position), depending on the distance between
the subwoofer and the main speakers. You have to check the PHASE⑰ each time you move your speakers and each time you adjust the CROSSOVER FREQUENCY⑱.
Attention, if you use 2 subwoofoers, both phase switches must be on the same position.
Our web site www.cabasse.com will give you the specific adjustments we recommend for the use of our active subwoofer.
MAINTENANCE
The MT4 cabinets are made of medium density fiber panels, protected by synthetically veneer with two coats of varnish and a special anti-scratch film. This hi-tech veneer does not require any specific care. Use a wet cotton waste for cleaning, or any cleaning device for wood or plastic.
| ACTIVE SUBWOOFER MERCURE MT4 | |
| Pulsed sound pressure | 114 dB |
| Phase switch | 0° normal |
| 180° reverse | |
| In put | 2 low level - 2 hight level |
| Voltage | 115 / 230 V AC-50 / 60 Hz |
| Maximum power consumption | 165 W |
| Sensitivity 1W/1m (dB) | Cross-over points (Hz) | Frequency response (Hz) | Nominal impedance (ohms) | Minimum impedance (ohms) | Power handling (Watt) | Peak power (Watt) | Standard finish | Dimensions hxlxp (cm) hxlxp (") | Weight (kg) (lbs) |
| 90 | 3000 | 65-22000 | 8 | 4.1 | 80 | 560 | light oak cabinetwork black + beige frames | 40 x 23 x 30 15.7" x 9" x 11.8" | 9 20 lbs |
| 90 | 2400 | 55-22000 | 8 | 4 | 100 | 700 | light oak cabinetwork black + beige frames | 100 x 25 x 36 39.4" x 9.8" x 14.2" | 24 53 lbs |
| 91 | 850-3200 | 50-22000 | 8 | 3.2 | 110 | 770 | light oak cabinetwork black + beige frames | 110 x 25 x 36 43.3" x 9.8" x 14.2" | 29 64 lbs |
| 90 | 2800 | 70-22000 | 8 | 3.6 | 90 | 630 | light oak cabinetwork black + beige frames | 16 x 49 x 37 6.3" x 19.3" x 14.6" | 11 24 lbs |
| 92 | 2500 | 90-22000 | 8 | 4 | 80 | 560 | light oak cabinetwork black + beige frames | 35 x 32 x 17 13.8" x 12.6" x 6.7" | 7 15 lbs |
| active | adjustable 30-180 | 35-200 | active | active | 250 | 750 | light oak cabinetwork black + beige frames | 44 x 36 x 45 17.3" x 14.2" x 17.7" | 21 46 lbs |
