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My system Here is my speaker system: Speakers are Martin Logan Summits (bass disconnected) along side of Magneplanar Tympani IV bass panels (modified). Tympanis are bolted together and stands provide total rigidity. Eminent Technology Rotary Sub Center channel is Martin Logan Logos Rear...

The 1812 overture cannons is a great way to test the bass performance of your speakers. The cannons have transient energy to below 5 hz, but unless your speakers can reproduce this, you are not getting the awesome bass energy that is on this recording. I use a Thigpen Rotary Subwoofer that can...

I agree with Martin Logan Summits, but combining Magneplanar Tympani IV bass panels and not using the woofers in the Summits, results in "coherency" and stunning bass. Soundstage is huge with depth that contributes to the feeling of space. Jim Winey's Tympanis were his best efforts in bass...

Combining Summits with Magneplanar Tympani IV bass panels and rotary subwoofer will provide a huge soundstage, "wall of sound", bass that will trounce the Neolith. The Neolith's use cone woofers and are not the same as dipoles and will not give one that feeling of great space and ambience, and...

JonFo, the bass would be definitely better, but in my opinion, low frequency spatial and depth reproduction would suffer. A large room with the speakers placed well away from the front and side walls (10 feet behind my Magneplanar Tympani's and 9 feet from side walls) provides that great...

The answer to bass integration Utilizing cone woofers with electrostatics will never integrate, louder but just not the way to go. My answer is to combine Magneplanar Tympani IV bass panels with the electrostatics, which integrate extremely well. The Tympani bass panels when modified...

Yes I have used a Audio Research, Belles 150A, Carver Lightstar Research and a friends Krell power amps, and the Arcam is by far is the more detailed, transparent with awesome depth! Plenty of power ,as well.

The Arcam AVR600 is a great receiver and can drive speakers with low impedance. I use the Arcam to drive my Martin Logan summits and Martin Logan Logos (front and center speakers). A total of 8 rear and side speakers are also driven by the Arcam. The electrostatic speakers are a difficult...

Integration and coherency While I agree with using active versus passive crossovers, that is not the only problem. The electrostatic portion of Martin Logan is dipole and the cone woofer is not. My answer is combining Magneplanar Tympani IV bass panels, which are dipole, along side of my...

ASC tube traps work very well I also use GIK bass traps behind the seating area and other flat panel absorbers as well. The ASC tube traps, being circular with reflective membranes diffuse the mids and highs, where the flat panels do not. The large ASC tube traps help with bass...

ASC tube traps I use 16" ASC tube traps (7' high) behind the Summits, and Magneplanar Tympani bass panels. The Summits are 5' out from the wall and the bass panels are 9' out. The corners have full 16" round ASC bass traps behind the speakers as well. They provide great bass...

Noise At the listening seat one can not hear the plasma discharge and the cooling fan is heard when one is within a couple of feet. I do not own this system (a friend of mine). Here is another picture of the Hill Plasma loudspeakers before modifying.

Plasma issues The Hill plasma transducer has a built in fan and can be heard, but only when one is next to the device. The Hill Plasmatronics avoided the air pollution hazard by having its own built-in supply of helium, which is a noble gas and thus unreactive even when ionized. Helium is...

Plasma reproduction in a class by itself After hearing a plasma loudspeaker like the Hill Plasma, one gets a real education of reproducing sound. The Hill Plasma was state of the art in the late seventies and to this day no loudspeaker manufacturer has surpassed or equaled this transducer...

Another contender for transparency The Hill Plasma speaker is far superior in many aspects to the ClX or any other electrostatic (no moving mass). Transients are essentially perfect and no resonances to speak of. Adding the Apogee Stages and Apogee Scintilla's integrate extremely well with...

THE CLX sound with bass thats awesome! This is what I still prefer over the CLX's. Summits with Magneplanar TYmpani IV's (modified) and bass down to 1 hz with the TRW-17 rotary subwoofer. The CLX's are transparent, but this combo is just as transparent, but with real slam and authority...

Arcam AVR600 Receiver The Arcam AVR600 receiver is an engineering marvel and provides state of the art sound with Martin Logan Summits, Logos, and all my surround speakers, which include 4 rear Gallo Nucleus Micro's and 2 side Gallo Micro's and 2 side Spica TC-50,s.

SLAM, coherent and transparent This combo gives one (all) the slam, coherency, transparency and huge sound-stage that one could want. They require a large room with a great distance from all walls. This combo beats the CLX in bass slam and sound-stage (the CLX,s are anemic in bass). Also...

Very Low frequencies The answer is a subsonic filter with most subwoofers to prevent overdriving at subsonic frequencies. That is what I did with my 24" Hartley subwoofers which were capable of response down to 16 hz, but any lower than that they would be overdriven. I utilized a Velodyne...

The best of both I combined the Martin Logan Summits with Magneplanar Tympani IV bass panels and the result is stunning. The Martin Logan Summits are simply awesome for midrange and highs, with imaging and low level detail that rivals all Maggies. The Magneplanar Tympani IV bass panels...