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ELAC BS 243 Black Edition

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ELAC BS 243 Black Edition
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ELAC BS 244 ATC SCM 11 disponibile in Demo XAVIAN XN 250 Stereo Setup
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ELAC BS 243 - AV Magazine (Brazil) review cover
ELAC BS 243 - HI-FI WORLD - Best standmounter Award" ELAC BS 243 - HI-FI WORLD review - "an excellent new ribbon tweeter-equipped standmounter"
ELAC BS 243 - Japanese "STEREO SOUND" BEST BUY Award
ELAC BS 243 - AUDIO Poland review
AVmagazin review of BS 243 REVUE DE SON reviw of BS 243 ELAC BS 243 - REVUE DU SON Nr.323 - 5 Etoiles/ Recommande ELAC BS 243 - Haute Fidelite "Meilleur Achat"
ELAC 240 Black Edition tweeter detail
  • TT150AS-XR: difuzor midbass cu membrana sandwich hartie-aluminiu "Crystal"
  • JET III: tweeter cu tehnologie Air-Motion-Transformer (folded foil) Black Edition
  • DC ring (JET Dispersion Control): inel pentru controlul dispersiei ce se monteaza in jurul tweeterului JET

BS 243 Black Edition: A loudspeaker like a good espresso

Small, black and strong: Designed as a bookshelf speaker, the BS 243 Black Edition is not afraid of competing with bigger floor-standing speakers when mounted onto a stand.
ELAC LS 70 & ELAC FS 70 II speaker stand Available as an accessory: the LS 70 stand is perfectly suited for this loudspeaker. Metal protections inserted on the loudspeaker base exactly fit the three spikes on the upper plate. In addition there is a screw fastening the loudspeaker to the stand offering better stability and increased safety.
Specifications
Dimensions H × W × D
285 × 170 × 220 (232) mm Details
Gross Volume
11.2 l
Weight
5.2 kg
Principle
2-ways, bass reflex
Woofer
Bass Ports
1 × 150 mm AS-XR cone
1 × 45 mm (with Bass Control Plug)
Tweeter
1 × JET III (mag. shielded)
Recom. Amplifier Power
at Nominal Impedance
30-150 W / channel
Crossover Frequency
2,700 Hz
Sensitivity
87 dB / 2.83 V / 1 m
Nominal Impedance
suitable for amplifiers (from ... to)
4 Ohm
4 ... 8 Ohm
Minimum Impedance
3.6 Ohm / 240 Hz
Frequency Range acc. to IEC 268-5
41 ··· 50,000 Hz
Nominal / Peak Power Handling
60 / 80 W
Finishes
black high gloss
ELAC BS 243 Black Edition brochure

Treble Unit

ELAC BS 243 Black Edition JET III tweeter

The ELAC JET tweeter is one of the most legendary tweeters in the hi-fi trade and has won international renown with its unusual transparent and effortless sound image.

The JET tweeter was delveloped to perfection on the basis of the famous 'Air Motion Transformer' by loudpseaker pioneer Dr Oskar Heil. Its principle: a concertinaed foil membrane is driven by a strong magnet system of neodymium rods.

This 'motor' drives the air considerably faster than the conventional pistonic technique. High sensitivity and extraordiary dynamics are the result. Due to continuous improvement, the JET III tweeter creates an effortless and airy resonance-free image up to 50,000 Hz, and with its linear frequency response is ideally suited for the reproduction of Hi-Res Audio music.

Note: The loudspeakers of the 240 BE Series are supplied with the JET Dispersion Control as an accessory. The ELAC "JET Dispersion Control DC" is a flat ring made of open-cell rubber foam which is mounted around the JET orifice with four clasps (or with adhesive tape). The JET DC results in a broadband reduction of about 0.5 dB of the radiated sound level nearly independent of frequency. The JET DC is best suited for rooms with little sound absorption at high frequencies, especially for rooms with large windows without curtains or with a smooth floor without a carpet.

 

Midbass Unit

TT 150 AS-XR black anodized diaphragm midbass used in: BS 243 BE, FS 247 BE and FS 248 BE.

The woofers drivers of the 240 BE series contain the new "Crystal Membrane" (patent pending) and their design is based on the well-known "Aluminium-Sandwich AS Technology" which was developed by ELAC a couple of years ago. The crystal-shaped inverse aluminium dome is joined to the paper cone in a special glueing process resulting the desired sandwich construction.

The stamping of the aluminium foil looks like the surface of a large crystal, this is where the term "Crystal Membrane" come from. This stamping stiffens the aluminium dome considerably which diminishes the membrane-internal resonances resulting in less sound coloration and additionally improves the large signal behaviour noticeably.

The voice coil is not only - like usually - joined to the neck of the paper cone but also to the bottom of the aluminium dome. This design results in the expansion of the transmission range of the respective woofers or midrange drivers by nearly an octave. Therefore the abbreviation "XR" (eXtended Range) has been introduced.

ELAC BS 243  Black Edition Crystal midbass - TT 150 AS-XR midbass driver

 
 
 
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