SOLD: ELAC BS244 BLACK EDITION SPEAKERS with ELAC LS70ii STANDS

smart · November 9, 2020

Further information:

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.
Midbass Unit
TT 180 AS-XR black anodized diaphragm midbass
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.

Due to the specially wide double asymmetrical ('DAS') rubber surround, ELAC's TT 180 woofer can handle up to ±15mm long stroke. This provides maximum level supply and mellow low bass. For a driver this size, such a large displacement represent a unique engineering achievement.
Specifications
Dimensions H × W × D
330 × 200 × 270 (282) mm
Weight
8.5 kg
2-ways, bass reflex
Woofer
Bass Ports
1 × 180 mm AS-XR cone
1 × 60 mm (with Bass Control Plug)
Tweeter
1 × JET III (mag. shielded)
Recom. Amplifier Power
at Nominal Impedance
30-200 W / channel
Crossover Frequency
2,600 Hz
Sensitivity
88 dB / 2.83 V / 1 m
4 Ohm
4 ... 8 Ohm
Minimum Impedance
3.5 Ohm / 190 Hz
Frequency Range
acc. to IEC 268-5
38 ··· 50,000 Hz
Nominal / Peak Power Handling
80 / 120 W
black high gloss
With ELAC LS70ii STANDS
have original packing for speakers & stands.

Photos:

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