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VOX 253 MTI Speaker Kit

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    Purchase VOX 253 MTI Speaker Kit

    SKU: V-5987-VOX253-MTI VOX 253 MTI Speaker Kit

    $3,995.00 per pair without cabinets
    Brand: Visaton
    Quantity in Basket:  None



    Visaton Speaker Kit - VOX 253 MTI
    Art. No. 5987

    Visaton VOX 253 MTI - shown assembled with suggested cabinets, not supplied.
    Visaton VOX 253 MTI - shown assembled with suggested cabinets, not supplied.


    Characteristics and Sound Properties
    The VOX 253 MTI is the current highlight in the VOX series. The uncompromising approach, involving fitting the TI 100 - 8 Ohm as the low- to mid-range unit and the MHT 12 - 8 Ohm as the tweeter, worked highly successfully in the TOPAS. Following the basic design concept of the VOX series, this system is fitted with two TI 100 - 8 Ohm 's as low- to mid-range units and the TIW 250 XS - 8 Ohm as the woofer.

    One particularly convenient innovation is used for the first time in the VOX 253 MTI: it is now possible to tune the bass output level on the crossover unit. Depending on the acoustic properties of the room and personal preference, the bass output might be too strong, if the speakers are placed close to a wall, for example. The adjustment unit is mounted on the crossover unit directly parallel to the woofer and enables to listener to adjust the output level between 70 Hz and 150 Hz. The lower-frequency bass is not affected. Increasing the resistance affects the bass output: 10 ohms for a minimal reduction in bass and 3.3 ohms for maximum reduction. If the adjuster is left open (i.e. resistance is infinite), bass output reduction is deactivated.

    Extract from Klang & Ton (VOX 252 MTI): With their VOX 252 MTI, VISATON have, once again, created great results. This is not only the best VOX there has ever been, it is, in my opinion, the best sounding VISATON speaker of all. Ready-made speakers of this quality will often cost as much as 10,000 a pair. The DIY concept is definitely a winner here.


    Technical Specifications

    Rated power 200 W
    Maximum power 350 W
    Nominal impedance Z 4 Ohm
    Frequency response 28-40000 Hz
    Mean sound pressure level 83 dB (1W/1m)
    Cut-off frequency 200 / 4000 Hz
    Principle of Housing Bassreflex
    Net volume: without bassreflex channel 63 litres + 4 litres
    Outer dimension height 1150 mm
    Outer dimension width 235 mm
    Outer dimension depth 400 mm


    Frequency and Impedance Response

    Frequency Response and Impedance Graph
    Frequency Response and Impedance Graph


    Exploded Cabinet Drawing

    Exploded Speaker Box Drawing
    Exploded Speaker Box Drawing


    At first sight, the construction of the VOX 253 MTI looks complicated, which is why it is worth looking at each internal part individually first. In the lower part of the cabinet, you can see the bass reflex tunnel, made up of the base and two upper boards. In the middle, there are five cross-reinforcements to prevent resonance. At the top of the cabinet, behind the cut-out in the acoustic baffle for the mid- to high-range unit, is the enclosure required for the mid-range cone, made up of two wooden boards. Three 8 mm holes will have to be drilled in the rear wall of the mid-range chamber for the cables. They should not be drilled directly behind the driver because otherwise there will not be enough depth available for the wires behind the magnets. The holes must be well sealed afterwards.

    Fitting the TIW 250 XS into the side is a special feature. The mounting board for the TIW 250 (380 x 283 with a 235 mm cut-out) itself is glued in place from inside behind the cut-outs in the corresponding side-wall. This means that the bass driver can be recessed by 19 mm (19 mm = thickness of the boards). For optical reasons the side-wall cut-out must be made extremely accurately.

    It is possible to simplify the construction somewhat by mounting the woofer straight on the side wall. In this case, the additional mounting plate is not required and the opening in the side wall is cut at a diameter of 235 mm. In this configuration the woofer stands proud of the side wall. This construction can be a decided advantage if you intend to veneer the cabinet because the edges of the side wall cut-out are extremely difficult to veneer.

    Two triangular reinforcing pieces are installed between the front panel and side walls to provide the required rigidity at the front despite the broad bevel.

    The frequency crossover unit is mounted on the side-wall behind the bass cut-out.


    Internal Damping
    The damping uses one mat placed in the medium range cabinet. The remainder is evenly distributed throughout the cabinet. The area above the tunnel opening (at the rear of the front panel) up to the lower edge of the reinforcement remains free. If, as a result of the acoustics in the room, the low-range bass is too powerful, damping this area will have a corresponding effect on the overall bass output level.


    Component Parts List for Each Box - Supplied with Kit
    The kit comes with all necessary components (see list below for one box), one set if the speaker is an each, or two sets for a pair, see price above for details.

    Tweeter MHT 12 - 8 Ohm 1 pc.
    Bass-midrange driver TI 100 - 8 Ohm 2 pcs.
    Woofer TIW 250 XS - 8 Ohm 1 pc.
    Crossover VOX 253 MTI 1 pc.
    Terminal BT 95/75 1 pc.
    Damping material Polyester wool 4 bags
    Special wood screws 5 x 30 mm 6 pcs.
    Wood screws 3.5 x 19 mm 12 pcs.
    Countersunk screws 3.5 x 25 mm 4 pcs.
    Cable 2 x 1.5 mm² 2 m
    Cable 2 x 2.5 mm² 2.5 m


    Speaker Cabinet Material List to Make 1 Box - Not Supplied with Kit

    Parts for One Box (not supplied) Size (mm) Quantity
    Material: 19 mm chipboard or MDF recommended
    Front panel 1150 x 197 1
    Side panels 1150 x 381 2
    Bottom, top panel 197 x 381 2
    Rear panel 197 x 1032 1
    Bass reflex channel 1 197 x 270 1
    Bass reflex channel 2 197 x 65 1
    Braces 197 x 50 5
    Midrange rear panel 197 x 399 1
    Midrange bottom panel 197 x 60 1
    Mounting board woofer 380 x 283 1
    Material: Triangular ledge
    Brace 1112 x 30 x 30 2


    Speaker Cabinet Dimensions

    Loudspeaker Box Construction Diagram - all dimensions in mm.
    Loudspeaker Box Construction Diagram - all dimensions in mm.


    Crossover - Supplied with Kit Already Assembled

    Speaker Kit Crossover Circuit
    Speaker Kit Crossover Circuit