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Casablanca MK IV Speaker Kit

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    Purchase Casablanca MK IV Speaker Kit

    SKU: V-5979-Casablanca Casablanca MK IV Speaker Kit

    $1,995.00 per pair without cabinets
    Quantity in Basket:  None

     

     



    Visaton Speaker Kit - Casablanca MK IV
    Art. No. 5979

    Visaton Casablanca MK IV - shown assembled with suggested cabinets, not supplied.
    Visaton Casablanca MK IV - shown assembled with suggested cabinets, not supplied.

     

    Characteristics and Sound Properties
    The first thing one notices about the CASABLANCA IV cabinet is its striking design. This cabinet shape, however, has more than just eye-catching qualities, its acoustic qualities have to be heard to be believed.

    The speaker consists of a large lower chamber and a top-mounted upper chamber and the two are interconnected through an opening that has been exactly calculated. This is, in fact, a twin-chamber bass reflex cabinet. As a result of the twin-chamber arrangement, it is possible, in comparison with a conventional bass reflex cabinet, to extend the range downwards by a considerable amount. The Helmholtz resonance of the upper chamber is around 90 Hz, that of the lower chamber around 33 Hz.

    The woofer in the CASABLANCA IV is the AL 200 - 8 OHM, which is so popular among connoisseurs of high-end technology. Thanks to its long-stroke woofer, the AL 200 - 8 OHM helps the CASABLANCA IV achieve unbelievably low-range bass levels and, at the same time, producing remarkable maximum volume levels for a speaker of this size. Another "first" in this model is the two tried-and-tested DSM 50 FFL - 8 OHM and DSM 25 FFL - 8 OHM titanium dome units, that guarantee transparent, rounded sound qualities across the entire mid- and high-range.

    Results: The result is an unusual speaker both as regards its design and its construction principles with excellent low-range bass reproduction coupled with tremendous signal fidelity.

     

    Technical Specifications

    Rated power 120 W
    Maximum power 180 W
    Nominal impedance Z 8 Ohm
    Frequency response 25-30000 Hz
    Mean sound pressure level 84 dB (1W/1m)
    Cut-off frequency 700 / 6500 Hz
    Principle of Housing Double Chamber Bassreflex
    Net volume 70 litres
    Outer dimension height 1174 mm
    Outer dimension width 350 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

     

    Assembly
    Although the design of this cabinet may appear at first sight to be complex, it is, in fact, made up of simple, rectangular panels and only the radii and openings need more careful attention. The crossover is mounted on the rear wall behind the bass vent.

     

    Internal Damping
    When damping this cabinet, remember that the opening between the larger and smaller chambers of the cabinet (diameter 100 mm) must remain free. One bag of damping material is inserted into the upper cabinet. The lower cabinet chamber remains free.

     

    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 DSM 25 FFL - 8 Ohm 1 pc.
    Midrange driver DSM 50 FFL - 8 Ohm 1 pc.
    Woofer AL200 - 8 Ohm 1 pc.
    Crossover Casablanca IV 1 pc.
    Bass reflex tube BR 15.34 (full length) 2 pcs.
    Terminal ST 77 1 pc.
    Damping material Polyester wool 1 bags
    Wood screws 4 x 20 mm 14 pcs.
    Countersunk screws 3.5 x 25 mm 4 pcs.
    Cable 2 x 1.5 mm² 3.4 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
    Lower top and bottom panel 381 x 350 2
    Lower front panel 550 x 350 1
    Lower rear panel 512 x 312 1
    Lower side panels 512 x 381 2
    Front panel for AL 200 700 x 230 1
    Insertion panel 235 x 230 1
    Front panel for DSM 50 FFL 413 x 230 1
    Front panel for DSM 25 FFL 555 x 230 1
    Upper front panel 574 x 230 1
    Top panel 181 x 230 1
    Upper side panels 181 x 555 2
    Upper rear panel 192 x 555 1
    Base 50 x 312 2
    Base 50 x 324 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