Martin LoganElectroMotion ESLMartin Logan ElectroMotion ESL 5 CH KRELL system INCREDIBLE SOUND, Best Bang for the Buck!Complete system sells for $23,500 in the stores it includes (1) Krell Foundation 4K UHD HDMI 2.0 and HDCP 2.2 technology (1) Krell Chorus 7200 200Wx7 channel power amp (1) Pair Martin Logan El...16750.00

Martin Logan ElectroMotion ESL 5 CH KRELL system INCREDIBLE SOUND, Best Bang for the Buck! [Expired]


no longer for sale

Complete system sells for $23,500 in the stores it includes

(1) Krell Foundation 4K UHD  HDMI 2.0 and HDCP 2.2 technology

(1) Krell Chorus 7200 200Wx7 channel power amp

(1) Pair Martin Logan ElectroMotion® ESL speakers

(1) piece Martin Logan ElectroMotion® ESL C Center speaker

(1) Pair  Martin Logan ElectroMotion® FX2 surrounds

GUARANTEED Lowest installed price on Krell & Martin Logan systems!


You can add as many and whatever model of CENTER, SIDES & SURROUNDS, SUB WOOFER you like - With near 40 years experience we will professionally guide you thru your options.


Adcom - Arcam  - Astell & Kern  - Audeze  -  Audio Control  -  Barco Residential  

Definitive Technology  -  Denon  -  Dynamic Design AV  -  Elite Prime Vision®   

Focal(in/on-wall/in-ceiling speakers,headphone)  -  Hifiman  -  Induction Dynamics  -  Integra

  Jolida  -  JVC Pro  -  Kaleidescape 4K Ultra HD  -  KRELL  -   LG QLED 4K -   Martin Logan  -

MyTek Digital  - Origin  -  Panamorph  - Phase Technology   -  POLK Audio  -  PS AUDIO  - 

REFERENCE 3A   -  SAE   -   Samsung Super 4K  -   Severtson Screens  -  Sonore Computer Audio

   SonicTransporter AP 8TB (Roon Server)      -    SonicTransporter i5 microRendu iFi bundle    

StraightWire   -   UPTONE Audio   -   VuTec  SilverStar Stiletto screens   -   Wyred4Sound         

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Signature Rendu SE - single enclosure UltraRendu & linear power supply



Introducing the Signature Rendu SE, the absolute finest streaming USB source we have made. The Signature Rendu SE is the natural evolution of Sonore’s microRendu (computeraudiophile.com Product of the Year 2016) and Sonore’s acclaimed Signature Power Supply.

The Signature Rendu SE takes an Ethernet audio stream and renders it to a perfect, ultra-low noise USB feed to one’s USB DAC. While the microRendu is a revolutionary product, the Signature Rendu SE takes off from the microRendu concept, improving on it by refinement and attention to every detail.  The Signature Rendu SE takes advantage of a single chassis design, allowing close coupling of the power supply and processing board for the ultimate in ultra-low impedance and ultra-low noise power delivery. The Signature Rendu SE processing board uses a larger footprint to allow for more independent low noise voltage regulation stages (all main board regulators are now ultra-low noise linear types), and better physical separation of the Ethernet processing and USB output sections, further reducing noise and crosstalk. A new ultra-low phase noise (so called “femto”) oscillator is used to govern all processing and USB audio output.


HARDWARE FEATURES

  • The internal power supply is a no compromise design featuring a custom wound, EI style transformer from Mercury Magnetics (made in the USA). This transformer effectively blocks AC line noise, providing a solid foundation of clean power.
  • Ultra-soft recovery diodes and film capacitor damping assure a DC supply free of ringing artifacts, and massive power supply capacitance (50% more than used in even the Sonore Signature Supply) insures low impedance/low ripple power delivery to our main, discrete linear pre-regulator.
  • A stainless-steel chassis divider protects the processing circuitry from both AC wiring and transformer based stray RF and EM interference.
  • The Signature Rendu SE is housed in a beautiful audiophile custom chassis, (made in the USA) which is right at home alongside the finest audio components in the world.
  • Upgraded custom footers with larger Sorbothane pads virtually absorbs all external micro mechanical interactions from migrating into the highly critical processor and re-clocker boards.
  • Dimension: 12.75in (width) x 3in (height) x 10.25in (depth)
  • Weight: 10lb
  • Power input: 120VAC or 230VAC, 60Hz or 50Hz
  • Power consumption: 25 VA
  • Includes warranty card and manual
  • Cardas AC power cord (optional, 1 week lead time)
  • Black or silver faceplate

 

Let a trusted professional with more than 37 years EXPERIENCE assist you in building

                            The Home Theater system of your Dreams!

*ALL Models KRELL electronics & ALL Martin Logan speakers are on sale this month!

Foundation
4K Ultra HD Processor

The Foundation 4K UHD adds HDMI 2.0 and HDCP 2.2 technology to the award winning Foundation processor. Designed to be upgradeable, existing Foundation processors can be upgraded to the Foundation 4K UHD platform at the Krell facility. The Foundation 4K UHD updates 4 of the 10 HDMI 1.4a inputs to HDMI 2.0/HDCP 2.2 capability. New on screen display functionality adds status messages including volume, active source, video resolution and audio format. System setup is accomplished from the front panel or a network tablet/computer.

 

Additional functionality has been added to the second HDMI output. The two HDMI video outputs are now independent and can be configured to send different video signals to two individual displays. Both outputs support 4K signals being simultaneously displayed.

 

Both HMDI outputs feature Audio Return Channel (ARC). With ARC, a display device is able to send audio back down the HDMI cable to the Foundation 4K UHD. Televisions with built-in web streaming capability like Netflix or Pandora, can send the audio signal back to the Foundation 4K UHD use the full home theater system instead of just the TV's speakers.

 

Featuring the latest digital connectivity, the Foundation 4K UHD maintains Krell's exacting standards for analog audio reproduction.

 

From decoding the latest lossless audio formats, extensive digital switching, 3DTV pass-through, and more, the Foundation 4K UHD is fully compliant with the digital age. The 7.1-channel processor also features balanced audio outputs, automatic setup and room EQ, and Krell's legendary robust hardware. A slim form factor exudes the Krell aesthetic, while allowing placement in smaller equipment racks.

 

The Foundation 4K UHD features Krell's Automatic Room Equalization System (ARES), to ensure the best possible performance from every theater. ARES analyzes all the speakers in the system, their location, phase, and distance from each other, to determine the best crossover frequency, delay, and more. In addition, ARES incorporates the acoustics of the room to determine unique EQ curves for each of the 7.1 output channels. Unlike other room EQs, ARES can be programmed to only adjust the troublesome low frequencies, leaving high frequencies unaltered.

 

The Foundation 4K UHD includes a new Krell development - Intelligent HDMI switching. Intelligent HDMI switching is a combination of circuitry and innovative software that optimizes HDMI operation. Various parameters including the monitor's electronic ID and source video resolution are stored in non-volatile memory. All 10 source inputs are always active so source, channel, video resolution, and audio format changes are instantaneous. The Intelligent HDMI design provides the fastest signal recognition possible.

 

The Foundation 4K UHD passes video signals directly without any video processing, ensuring bit-for-bit accuracy of the signal, up to 3840x2160. However, to simplify cabling, setup, and use, there is full transcoding of the 2 composite and 3 component analog video inputs to the HDMI outputs.

 

Krell designed the Foundation 4K UHD with flexibility and ease-of-use in mind, with extensive routing capability of the audio inputs to the various outputs. During setup, the specific paths will be chosen based on how the user intends to use each source, displays, and audio output channels.

 

The Foundation 4K UHD supports stereo and multichannel DSD decoding via any of the 10 HDMI inputs. Playback options include DSD 2-ch Direct, DSD Stereo, and DSD Multi modes. DSD 2-ch Direct converts a stereo DSD signal to analog and directly passes it to the left and right analog outputs. DSD Stereo first applies any left and right channel crossover configured in the Foundation 4K UHD menu, converts the signal to analog, and then sends it to the left and right outputs. DSD Multi supports multichannel DSD recordings and utilizes all crossovers configured in the Foundation 4K UHD menu. There is no configuration required as the Foundation 4K UHD automatically recognizes a DSD signal and defaults to the last used DSD mode for playback. Pressing the mode button on the remote control or web server interface will cycle through all three DSD modes.

 

The Foundation 4K UHD will allow owners to take full advantage of the best audio soundtracks available, with decoding of Dolby Digital, Digital Plus, Dolby TrueHD, DTS, DTS-ES Discrete, Matrix, and DTS-HD Master Audio. In addition, a full suite of post-processing modes are included, including Dolby Pro Logic IIx and DTS Neo 6. Krell's proprietary surround modes, Party, General Admission, Front Row, and On Stage, offer a different way to listen to favorite tracks.

 

The Foundation 4K UHD also offers features that make it perfect for custom installation, such as 3.5mm jacks for IR input and 12-volt trigger input and output, as well as RC-5 and optional rack-mount ears. Additionally, the unit can be controlled with home automation systems via RS-232 or the Krell web server through its Ethernet connection.

 

The Foundation also offers features that make it perfect for custom installation, such as 3.5mm jacks for IR input and 12-volt trigger input and output, as well as RC-5 and optional rack-mount ears. Additionally, the unit can be controlled with home automation systems via RS-232 or the Krell web server through its Ethernet connection.

 

 

CHORUS 7200
7 Channel Power Amplifier
200 Watt Amplifier Featuring Krell iBias Technology

 

Frequency response
20 Hz to 20 kHz +0, –0.08 dB
< 0.5 Hz to 100 kHz +0, –3 dB

 

Signal-to-noise ratio
> 95 dB, wideband, unweighted, referred to full power output
> 115 dB, “A”-weighted

 

Gain 26.2 dB

 

Total harmonic distortion
< 0.04% at 1 kHz, at 200 W, 8 ?
<0.15% at 20 kHz, at 200 W, 8 ?

 

Input impedance
Single-ended: 100 k?
Balanced: 200 k?

 

Input sensitivity
Single-ended or balanced: 1.96 V RMS

 

Output power 200 W RMS at 8 ?
360 W RMS at 4 ?

 

Output voltage
113 V peak-to-peak
40 V RMS

 

Output current
13.4 A peak

 

Slew rate
40 V/?s

   

Output impedance
< 0.038 W, 20 Hz to 20 kHz

 

Damping factor
> 210, 20 Hz to 20 kHz, referred to 8 W

 

Power consumption
Standby: 1 W
Idle: 255 W
Maximum: 2800 W
 

Heat output<Standby: 3.4 BTU/hr.
Idle: 873 BTU/hr.
Maximum: 9590 BTU/hr.
 

Inputs
7 single-ended via RCA connector
7 balanced via XLR connector
 

Outputs
7 pairs binding posts
 

Dimensions 17.1 in. W x 7.65 in. H x 21.10 in. D
434 mm W x 194 mm H x 536 mm D
 

Weight
110 lbs., 50 kg (shipping)
100 lbs., 45.4 kg (unit only)

MartinLogan ElectroMotion® ESL Product Highlights:

  • 34" x 8-5/8" CLS™ (Curvilinear Line Source) XSTAT™ electrostatic transducer for wide sound dispersion, excellent clarity, and low distortion
  • 8" high-excursion paper cone woofer (reproduces frequencies below 500 Hz)
  • bass-reflex (ported) woofer enclosure
  • external low-voltage DC power supply (included) requires AC outlet connection to energize electrostatic panel
  • high-performance Vojtko™ crossover network with custom air core coil, low DCR steel laminate inductors, polyester film capacitors, and low DF electrolytic capacitors
  • frequency response: 42-22,000 Hz (±3dB)
  • sensitivity: 91 dB
  • impedance: 6 ohms
  • recommended amplifier power: 20-300 watts
  • Black Satin finish
  • included adjustable floor spikes with removable protective covers
  • spring post speaker terminals accept bare wires, pins, and banana connectors
  • 9-5/16"W x 53-1/8"H x 16-1/2"D
  • weight: 35.5 lbs.
  • warranty: 5 years (with product registration)
  • Electrostatic Technology (How it Works): Where traditional loudspeaker technology incorporate cones, domes, diaphragms, and ribbons that are moved with magnetism, electrostatic loudspeakers employ charged electrons attracting and repelling each other. An electrostatic transducer consists of three pieces; stators, the diaphragm, and spacers. The diaphragm is what actually moves to excite the air and create music. The stator's job is to remain stationary and to provide a reference point for the moving diaphragm. The spacers provide the diaphragm with a fixed distance in which to move between the stators. As your amplifier sends music signals to an electrostatic speaker, these signals are changed into two high-voltage signals that are equal in strength but opposite in polarity. These high voltage signals are then applied to the stators. The resulting electrostatic field, created by the opposing high voltage on the stators, works simultaneously with and against the diaphragm, consequently moving it back and forth, producing music. This technique is known as push-pull operation and is a major contributor to the sonic purity of the electrostatic concept due to its exceptional linearity and low distortion.

    Hybrid Electrostatic Speaker: The MartinLogan ElectroMotion ESL X is a hybrid electrostatic loudspeaker that features a XStat CLS electrostatic transducer panel, an optimized Vojtko crossover, and two passive 8" woofers. Electrostatic panels are perfect for reproducing high, midrange, and midbass frequencies. However, both the size and the power requirements of deep bass frequencies are best served by traditional cone woofers. A phase and amplitude optimized Vojtko crossover (400Hz) ensures a seamless transition between the two sound reproduction philosophies. As a result, this speaker offers the best performance for high, mid, and low frequencies.

    XStat CLS Transducer:  The MartinLogan ElectroMotion ESL X features a 8.6" (w) x 40" (h) XStat CLS Transducer. This new XStat transducer builds upon the legacy of MartinLogan's electrostatic heritage with the incorporation of a myriad of technology and design innovations including CLS, MicroPerf, Generation 2 Diaphragms, ClearSpars, Vacuum Bonding, and AirFrame technology. Through rigorous testing, this curvilinear electrostatic panel has proven itself to be one of the most durable and reliable transducers available today. Fabricated from a custom tool punched high-grade steel, the patented panel is then coated with a special polymer that is applied via a proprietary electrostatic bonding process. This panel assembly houses a membrane just 0.0005" thick. Ruggedly constructed and insulated, the panel is rated to easily handle 20 to 300 watts of power.

  • CLS (Curvilinear Line Source): MartinLogan engineers discovered a simple solution to achieve a smooth pattern of dispersion from a smaller electrostatic transducer without degrading sound quality. By curving the horizontal plane of the electrostatic transducer, a controlled 30° horizontal dispersion pattern could be achieved, yet the purity of the almost massless electrostatic diaphragm remained uncompromised.
  • Generation 2 Diaphragm: The diaphragm used in the ElectroMotion ESL X XStat transducer employs an extremely sophisticated conductive coating applied to the polymer surface at an atomic level using a plasma bonding process. A proprietary compound is driven into the surface of the polymer film in an oxygen free argon chamber. This process allows extremely uniform surface resistivity characteristics, an optically transparent surface, and a nearly massless diaphragm. This uniform surface resistivity controls the electrostatic charge on the diaphragm surface and regulates its movement.
  • MicroPerf Stator: Although stators are the elements of an electrostatic driver that are supposed to stand still, they carry the audio signals that do the work of propelling the diaphragm back and forth to move air and produce sound. Because the stators sandwich the diaphragm between them, they must be perforated to allow sound to pass through. Yet they must also be rigid enough to remain absolutely stationary despite the strong electrostatic forces pushing and pulling at them during operation. MartinLogan's MicroPerf design optimizes this tradeoff by reducing the size of the individual holes and using many more of them than in a traditional electrostatic panel. MicroPerf almost doubles effective diaphragm radiating area without compromising structural integrity. The resulting increase in output capability and efficiency allows the XStat CLS panel to be made much smaller without sacrificing performance and lets you enjoy a substantial leap in bandwidth and dynamics.
  • Vacuum Bonding + ClearSpar Spacers: To achieve the power, precision, and strength of the XStat transducer, two insulated high-purity carbon steel stators along with a proprietary plasma bonded diaphragm and ClearSpar spacers are fused into a curved geometry with an aerospace adhesive whose strength exceeds that of welding. MartinLogan's proprietary Vacuum Bonding process guarantees uniform diaphragm tensioning and extremely precise construction tolerances, resulting in precision, linearity and efficiency.
  • AirFrame Technology: The XStat CLS panel is secured to speaker cabinet using MartinLogan's AirFrame technology. The extruded aluminum and composite AirFrame makes the panel extremely rigid while maximizing playable surface area and dipole sound radiation. At the same time, it provides electrical and acoustical isolation, minimizing intermodulation distortion caused by vibration and resonance. Overall, AirFrame technology enhances imaging, low-level sonic detail, accuracy, and efficiency.
  • Controlled Dispersion Sound Radiation: A key attribute of the ElectroMotion ESL X is its naturally dipolar radiation pattern. A true dipole, the EM-ESL X radiates sound with equal intensity from the front and back of its diaphragm, but the outputs are in opposite phase. As a result, sound waves rippling out toward the sides meet at the speaker's edge and cancel. That and the relatively large size of the ElectroMotion ESL X's electrostatic panel cause output at the sides to be very low relative to that of a conventional loudspeaker, which in turn minimizes side-wall reflections that tend to muddle sonic detail and stereo imaging. While the reduction in output to the sides contributes to the astonishing clarity, the energy reflected off the wall behind the speaker opens up and deepens the sound.

    Full-Range Operation: Another significant advantage of MartinLogan's exclusive electrostatic transducer technology is that no crossover networks are used above 400Hz, because they are not needed. The ElectroMotion ESL X consists of a single, seamless electrostatic membrane reproducing all frequencies above 400Hz simultaneously. This eliminates the crossover phase aberrations that are associated with traditional tweeter, midrange, and woofer systems. The result is a dramatic improvement in imaging and staging performance.

    Dual 8" Woofers w/ Ported Cabinet: Two precise 8" high-excursion, perfectly balanced, audiophile grade, doped-fiber cone woofers have been custom designed exclusively for The EM-ESL X by MartinLogan's in-house engineering team. These woofers precisely optimize cone suspension and magnetic flux field to produce high levels of bass output and simultaneous precise midrange. The custom woofers' rigid light-weight diaphragm eliminates cone flexure and maximizes response time to achieve remarkably low-distortion. The 8" woofers are housed in a non-resonant asymmetrical cabinet with a down-firing bass port for additional bass extension.

    Note: When you first begin to play the ElectroMotion ESL X speaker, it will sound a bit bass shy. This is due to the high-quality, long-life components used in the passive woofer. The custom-made woofer requires approximately 72 hours of break-in at 90 dB (moderate listening levels) before any critical listening. The break-in requirements of the crossover components (and, to a lesser degree, the stator) are equivalent.

    Proprietary Vojtko Filtering: To seamlessly blend audio output from the high- and mid-frequency electrostatic panel to the low-frequency woofers the ElectroMotion ESL X features a proprietary Vojtko topology filter utilizing custom air core coil and low DCR steel laminate inductors, polyester film capacitors in series, and low DF electrolytic capacitors in parallel.

    Bi-Wirable Binding Post: The ESL X features bi-wirable binding posts and provide the ultimate level of flexibility for connection and setup. MartinLogan's proprietary tool-less binding posts simplify cable connection and management. Two sets are supplied; one connected to the electrostatic panel and the other feeding the woofer. You can choose to bi-amp the ESL X, or use jumper clips between the binding post sets for a single wire-connection. The binding posts will accept bare wire (16- to 8-gauge), pin-connectors, spade-connectors, and banana plugs (single only).

    Low-Voltage DC Power Supply: The ElectroMotion ESL X speaker uses an external low-voltage power supply to energize its electrostatic panel. The included power supply firmly inserts into the "DC Power In" receptacle on the rear-panel of the speaker and then to an AC wall outlet. The ElectroMotion ESL X speaker features a signal sensing circuit which will switch the ElectroMotion ESL X off after a few minutes of no music signal, and requires less than two seconds to recharge the panels when a music signal is present.

  • Input: AC 100-240V~50/60Hz, 0.2A
  • Output: DC 15V, 0.4A
  • Applications: The MartinLogan ElectroMotion ESL X floor-standing speakers can be used as stereo speakers or home theater front/surround speakers. The ElectroMotion ESL X speakers are ideal for medium and small rooms.

    Placement: The ElectroMotion ESL X speaker should be placed approximately 2' to 3' from the front wall (the wall in front of the listening position) and about 2' from the side walls. Your sitting distance should be further than the distance between the ElectroMotion ESL X speakers themselves. This will allow you to attain good center imaging and stage width. Generally, it is found that the ideal listening position is with the speakers slightly toed-in so that you are listening to the inner third of the curved transducer section. 

    Note: The front wall surface ideally should be one long wall without any doors, windows, or other openings. If you have openings, the reflection and bass characteristics from each channel can be different.

    Interchangeable Feet: The MartinLogan ESL X floor-standing loudspeaker includes four pre-installed rubber feet for tile and hardwood floors. You can remove the rubber tip from the pre-installed feet to reveal four metal spiked feet for carpeted flooring. The feet are threaded into the base of the speaker and can be adjusted to non-level surfaces.

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