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Couplet Center

Couplet Center

 
 Our Price: AU $415.00 inc. GST each
                   AU $377.27 export price each
 
 Product Code: V-5939

 This item is listed in the following categories:
Visaton Kits, Center Speakers
 
 Quantity in your cart: None
 
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Art. No. 5939

Characteristics - Sound Properties

This version of the COUPLET has been specifically designed for use as a centre speaker in multichannel systems. The drivers and crossover fitted are the same as in the original COUPLET. However, instead of the bass reflex arrangement, a smaller, enclosed housing has been selected. This saves space. The loss of deep-bass that this involves is of no consequence if the centre channel is run in small mode, since this means the bass below 80 or 100 Hz is transferred to the main speakers or subwoofer.
Normally, there is not enough space to stand the cabinet up in a bookshelf, or above or below the TV set. If it is laid on its side, the radiation pattern will suffer as a result of the horizontal sound focussing effect. This will be noticed if the listener is seated to one side of the optimum seating position. As a result, this sample arrangement places the tweeter outside the main axis while the woofers are moved closer together.
Use of these speakers in the vicinity of a TV set requires the drivers to be magnetically shielded. Otherwise, there will be distortions and incorrect colouration on the screen . The G 20 SC 8 Ohm tweeter used here is already magnetically shielded. The AL 130 8 Ohm mid-bass units can easily be shielded using the KM 80 compensating magnet which is simply glued to the rear of the magnet system. One KM 80 per driver will lead to a reduction in the scatter field and, in many cases, a second KM 80 will lead to even greater improvement. This will depend on the sensitivity of the TV set and the exact position of the speakers.

COUPLET CENTER is part of the combinations:
System COUPLET A

Similar products 
ATLANTIS CASABLANCA MK IV
CLASSIC 200 CONCORDE MK II
COUPLET VIB 130 TL
VIB 170 AL VIB 2000 GF
 COUPLET CENTER

Technical Data:
Rated power120 W
Maximum power180 W
Nominal impedance4 Ohm
Frequency response (-10 dB)55 - 30000 Hz
Mean sound pressure level84 dB
(1 W/1 m)
Cut-off frequency4000 Hz
Principle of HousingClosed
Net volume12 l
Outer dimension height235 mm
Outer dimension width430 mm
Outer dimension depth200 mm

 

Construction

All the cabinet panels are cut from 19 mm chipboard or medium density fibreboard, butt-jointed and glued. The chamfers on the baffle can be applied with a power jig or circular saw set to 45° or applied later using an orbital sander.

Next, cut out the openings for the drivers and the terminal.

Due to the small size of the cut-outs in the baffle, it is difficult to mount the crossover inside the speaker cabinet. It would be possible to make the base removable. However, it is easier to wrap the crossover in damping material and place it through the cut-out in the baffle on the floor of the cabinet.

Inner damping

The damping material is loosely arranged in the cabinet.

 

Component parts list for 1 box
 
The kit includes all necessary components (see list below). Cabinet parts are not included.
 
Tweeter:G 20 SC 8 Ohm1 piece
Woofer:AL 130 8 Ohm2 pieces
Terminal:ST 771 pieces
Compensating magnet:KM 802 pieces
Damping material: 1/2 bag
Crossover:Crossover Couplet 
Wood screws:3,5 x 19 mm12 pieces
Countersunk screws:3,5 x 25 mm4 pieces
Cable:2 x 1,5 mm21,5 m
 ................

 

Cabinet parts list for 1 box
 
PartsSize (mm)Quantity
 
Material: 19 mm chipboard or MDF
Front and rear panel430 x 2352
Top and bottom panel430 x 1622
Side panel197 x 1622
 COUPLET CENTER

Crossover COUPLET CENTER
Crossover

Sketch COUPLET CENTER
Sketch