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The new IPL Acoustics S4TL is a full size transmission line using the superb new IPL/8/K advanced Kevlar/paper 8" unit with its high sensitivity, smooth response, large shielded magnet system and strong die-cast chassis ) and the superb  IPL/Fountek CD3.0 Ribbon. (as used in flagship speakers costing in excess of £8000!)  These two drivers have been engineered to give a very fine speaker with a near textbook response, combining high sensitivity with low distortion and excellent dynamic range. The resulting sound is impressive, with huge scale  and superb midrange and treble detail, the S4tl exceeds the performance of speakers costing many times the price. The sound is clean detailed ,dynamic and open whilst remaining smooth and natural with a very extended but controlled bass response. The latest version of this kit features the new box design with larger coupling cavity and smoother bass response. The S4tl is best suited to larger rooms (at least 17ft by 12ft positioned at least 12" from rear wall and 18" from side wall, best suited to firing the length of the room)

The Bi-wired crossover is 2nd order at 3.1khz and uses  high quality IPL polypropylene Supersound and MKP capacitors, Best quality Steel laminate inductors   and high power resistors. The S4tl is a triple folded line using Profiled Acoustic foam and a small quantity of Long Haired Wool for damping the line .The treble and mid outputs are fully adjustable to give the right balance for your system and room. Each CD3.0 ribbon tweeter  is tested for response and is both pair matched and matched with the Kevlar bass units. Now with magnetic grill covers for a cleaner look.


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IPL ACOUSTICS S4TL Kevlar  £1695.00  Complete finished pair of speakers inc IPL kit (min room size17'x12')

S4TL Kevlar £1395.00

Dimensions 970H x 275W x357D

Sensitivity db....89

IPL/8/K Kevlar matched Fountek CD3 ribbon tweeters

Frequency Response...23hz-30khz

Min Room size 17' x 12'

Recommended Amplifier power 10 -1000 watts




Standard Veneer inc in Price

High Gloss Finish add £120.00


High Gloss Plinths inc Brass or Silver Spikes add £60.00


Hand Polished Aluminium Outriggers with Brass or Silver Spikes add £85.00



HiVi Research IPL/8/K advanced Kevlar/paper 8" unit with its high sensitivity, smooth response, large shielded magnet system and strong die-cast chassis are superb quality and represent the latest advances in driver technology.  IPL driver's has been genuinely researched to give smooth response and excellent sound quality at very competitive cost. These drivers are not a compromise, they are beautifully made and packaged and will compete with the best.


Fountek CD Neo 3 Ribbon tweeter with metal face plate, aluminium ribbons, neodymium magnets results in superb sound reproduction. The advantage of the ribbon is that it has 10 times the force to mass ratio that a dome tweeter would have, and so is faster and more detailed. The Fountek are some of the best and most consistent Ribbon tweeters available, having a transparent but not harsh sound quality



The new improved Bi-wired crossover located on the back of speaker connector panel and uses superb quality IPL and MKP PP capacitors, super power steel laminate inductors inductors and large stable audiophile resistors. Soldered using high silver content solder and a single core cable using 19 strands of 0.29mm  SILVER PLATED HIGH PURITY COPPER with a conductor area of 1.4mm and a PTFE dielectric is used to conect the drivers to the crossover. It is also used for the Hi Low link on the external conectors.


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