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post #1 of 71 Old 11-29-2010, 09:42 PM - Thread Starter
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From WIDESCREENREVIEW.COM

WISDOM AUDIO INTRODUCES THE WISDOM SERIES, THE ULTIMATE LOUDSPEAKER SYSTEMS DESTINED FOR THE WORLD'S FINEST MUSIC ROOMS, HOME THEATERS, PROFESSIONAL SCREENING ROOMS AND POST-PRODUCTION FACILITIES

By Gary Reber


Wisdom Audio introduces their state-of-the-art modular line source loudspeaker systems, the Wisdom Series LS4 and LS3. Designed by a team directed by David Graebener of Wisdom Audio, these incredible reference level products feature extremely high efficiency, tremendous dynamic range and the ultimate in sound quality. Their remarkable performance and world-class architectural industrial design by Ashcraft Design of Los Angeles make them ideally suited for today's high-performance music rooms, upscale home theaters and professional post-production screening rooms.

Through customer feedback, we identified an opportunity to address both the ultra high-end audio market and installations for large theaters where high sensitivity and maximum SPL are critical, states Mark Glazier, Wisdom Audio President. We applied the cumulative planar magnetic transducer design experience of our team to create the Wisdom Series LS4 and
LS3, resulting in a totally fresh concept, the most advanced speaker we ever made and, we believe, the best performing domestic speaker system available. They completely shatter all preconceptions about speaker performance and placement, while offering the uncompromising customer that prefers to see the speaker in the room a truly unique solution. These products truly amaze.

Featuring Wisdom's proprietary wideband planar magnetic line source technologies, the Wisdom Series LS4 and LS3 are comprised of newly designed individual modules, 20 in height, each incorporating two planar magnetic midrange drivers flanking a planar magnetic high frequency driver in a vertical line source configuration. The LS4 combination features four modules, with a total vertical line source height of 80, ideal for placement on either side of a deluxe home theater's large front projection screen, or as the left and right channels in a stereo configuration. The LS3 includes three modules with a combined vertical line source height of 60, making it an ideal center channel speaker. For a full behind-the-screen configuration, where the theater is to include a perforated, acoustically transparent front projection screen, designers and installers might opt for three LS3 configurations. As the LS4 and LS3 feature identical acoustical characteristics, in whatever configuration that might be employed listeners will enjoy perfectly matched sound across the entire soundstage.

Unlike conventional speaker systems that typically incorporate various combinations of cone and dome drive units, the Wisdom Series LS3 and LS4 models feature their newest planar magnetic line source drivers. A two-way system, each module features dual high efficiency and ultra-high output upper bass/lower midrange planar magnetic drivers that handle frequencies from 80 Hz to 750 Hz. From there, the high efficiency and ultra-high output upper midrange/tweeter planar magnetic driver covers the rest of the entire audible range, with flat response extending to beyond 20 kHz.

Compared to conventional loudspeakers, which often cross over from the midrange driver to the treble driver in the 3 kHz range (where the human ear has the widest dynamic range and therefore the greatest sensitivity to acoustical aberrations), Wisdom Audio's wideband planar magnetic technologies provide the ability for the treble driver to cover a much wider range than is possible with a conventional tweeter, eliminating the audible degradation associated with conventional loudspeaker crossover configurations. As the systems are bi-amplified, there are no conventional passive crossovers employed, and the systems present a purely resistive load to the amplifiers, assuring power amplifier stability even at exceptionally elevated output levels. Internal wiring features cabling sourced from Transparent Audio, the industry's most respected audiophile cable manufacturer.

The technical specifications are indeed beyond impressive. For example, the LS4 features ultra-high efficiency (100 dB at 1 watt/2.83V), along with ultra-high power handling, allowing the system to generate clean, undistorted sound levels to beyond 130dB, completely avoiding the dynamic compression at elevated listening levels that plagues conventional cone and dome loudspeakers. The LS3 features similarly high efficiency and dynamic range capability, to ensure flawless reproduction regardless of the size of the music room, home theater or screening room.

Housed in an elegant, curved arc enclosure, the systems feature a unique aesthetic profile, from award-winning industrial designer Dan Ashcraft who notes, The objective was to create a design that expresses the power, musical clarity and detail of the Wisdom Series LS4's amazing speaker technology and visually informs the listener that they are about to experience something completely new. The inspiration was to expose the structure of the 12 beautifully CNC machined aluminum driver frames with stainless steel micro perforated covers to create a spine, flanked by two burled walnut panels that all converge at one finite point - technology perfectly balanced. Additional finishes will be available, including matte black for behind-the-screen installations. As the depth of each on-wall enclosure is only 12 inches, customers also have the option of working with their interior designers to conceal otherwise visible LS4s and LS3s behind decorative, acoustically transparent cloth for a completely hidden and integrated installation.

Behind The Grille

At the heart of the new Wisdom Series models are the company's proprietary drivers, which are entirely different in form compared to conventional cones and domes, and require a completely different manufacturing process. For example, unlike conventional speaker drivers which are magnetized (energized) after assembly, the planar magnetic drivers used in the new Wisdom Series LS4 and LS3 models incorporate magnet assemblies that are pre-energized prior the driver's final assembly. As both Wisdom Series driver types incorporate a push-pull magnetic motor system, the brute force necessary to assemble a driver with opposing magnetic motors and pre-energized multiple magnets is indeed substantial - a twelve ton press is required.

As well, the amount of magnetic energy to achieve such high efficiency and wide dynamic range is similarly impressive. For example, the LS4 incorporates no fewer than 1,656 magnets, equal to 392 linear feet (120 meters). The lower range driver uses ceramic magnets, whilst the upper range driver incorporates neodymium magnets. The combined radiating area of the LS4's low range drivers is equivalent to 43 six-inch conventional drivers, while the combined radiating area of the LS4's high range drivers is equivalent to 96 one-inch dome tweeters. The LS3 is similarly endowed, using a total of 1,242 magnets, equal to 294 linear feet (90 meters), with a lower range radiating surface area equivalent to 32 six-inch drivers, and the high range surface radiating area is equivalent to 69 one-inch domes. Of course, due to the coherent wavefront planar magnetic line source design, the Wisdom Series LS4 and LS3 have none of the sonic aberrations caused by combing effects when multiple conventional drivers are combined in a system.

Optimized System Integration

The Wisdom Series LS4 and LS3 are designed to optimally mate with Wisdom Audio's STS Regenerative Transmission Line® subwoofer, which features the same combination of ultra-high efficiency and dynamic range. With an in-system (externally crossed over) frequency response from 15 Hz to 80 Hz and an efficiency of 101 dB at 1 watt/2.83V, the STS has the dynamic range to handle the deepest bass notes even at extreme output levels as high as 130 dB without distortion or strain. A reference level music system, home theater or screening room/post-production configuration will feature dual STS subwoofers mated to LS4s, LS3s or a combination of the two.

Notes Wisdom Audio's David Graebener, The Wisdom Series LS4 and LS3 represent the pinnacle of my team's design capabilities in planar magnetic driver design, and showcase the benefits of our planar magnetic transducers and Regenerative Transmission Line® woofer alignments like none other. They surpass anything I have been involved in designing either for consumer or professional applications and establish a new benchmark for our transducer technology.

The Wisdom Series LS4 and LS3 systems will be unveiled at the International Consumer Electronics Show in January 2011, with initial deliveries beginning in February. The North American MSRP will be $40,000 each for the Wisdom Series LS4, and $30,000 each for the Wisdom Series LS3.

About Wisdom Audio

Wisdom Audio is the leader in designing and manufacturing high-performance planar magnetic transducers for architectural speaker applications with more than 100 man-years experience. Wisdom Audio was founded in 1996 to create no-compromise planar loudspeaker systems for the most demanding and critical audiophiles. Wisdom Audio systems employ proprietary, custom-made planar magnetic and dynamic transducers optimized for high performance, high-end architectural audio reproduction applications.

Its hybrid-technology systems have earned praise and awards from the specialized media, while satisfying a growing base of customers and dealers worldwide. Wisdom Audio's multi-award winning Sage Series architectural products are handcrafted in limited quantities by specialized craftsman at its headquarters in Carson City, Nevada.

For more information, please visit www.wisdomaudio.com or phone 775 887 8850


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post #2 of 71 Old 11-30-2010, 12:06 AM
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I haven't heard these yet but I saw the early developments at the factory last year. I can attest it to be one of the wildest designs in history without doubt. There is so much neodymium your fillings could be in danger from 10 feet!

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post #3 of 71 Old 11-30-2010, 06:13 AM
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I was told over the summer that Wisdom requires a showroom in order to be a dealer; has that changed? Peter, if you manage to get a variance- please let me know offline. I'm interested in this line.

Dan

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post #4 of 71 Old 11-30-2010, 01:51 PM
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$30-$40k buys a pretty nice Genelec system.
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post #5 of 71 Old 11-30-2010, 03:43 PM
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Quote:
Originally Posted by ceenhad View Post

I haven't heard these yet but I saw the early developments at the factory last year. I can attest it to be one of the wildest designs in history without doubt. There is so much neodymium your fillings could be in danger from 10 feet!

Did you see David Graebener's video where he chops off a steak with those magnets? These things can indeed be super powerful.

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post #6 of 71 Old 11-30-2010, 03:48 PM
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Quote:
Originally Posted by Pete View Post

$30-$40k buys a pretty nice Genelec system.

Genelecs are excellent of course but the sound from these planar magnetics is quite different. Nothing like a wall of sound hitting you, with much less impact from room effects. You can read a short technical article we wrote about them here.

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post #7 of 71 Old 11-30-2010, 04:30 PM - Thread Starter
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Well I sat there waiting for that wall of sound to hit me with the ribbons of the german Piano Planar ribbon speaker brand, a Million dollar worth of equipment and the wall of sound never hit me.;(


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post #8 of 71 Old 11-30-2010, 05:00 PM
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Quote:
Originally Posted by DanFrancis View Post

I was told over the summer that Wisdom requires a showroom in order to be a dealer; has that changed? Peter, if you manage to get a variance- please let me know offline. I'm interested in this line.

Dan

Wisdom used to hold "AV parties" at customers high end homes. Our AV Club went to one in Scottsdale mebbe 8 years ago. It wasn't impressive at all, but at least we got to "party" to disco sounding music!

"Doug Winsor" used to troll at some AV Forums as "Steve Bruzonsky"! My home theater at:

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post #9 of 71 Old 11-30-2010, 06:22 PM
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I have always been impressed with Wisdom. They sound good at the trade show demos but they are different. Almost better for music than movies.

Now for the bad part. You can do better for less cash. But if you want a high end in-wall they would be a choice. What about BG [I can't spell it, sorry]?

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post #10 of 71 Old 11-30-2010, 07:08 PM
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Quote:
Originally Posted by CINERAMAX View Post

Well I sat there waiting for that wall of sound to hit me with the ribbons of the german Piano Planar ribbon speaker brand, a Million dollar worth of equipment and the wall of sound never hit me.;(

I am sure the wall of sound bounced right off you since you were wearing those huge plastic contraption you feel necessary for viewing video in 3-D.

Seriously, are you talking about Steinway Lyngdorf speaker that was being shown in open space at CEDIA in a normal booth? If so, that model is a dipole design using conventional cone drivers and only uses a point-source planar-type transducer. Point source planar devices radiate like a standard cone speaker so don't have the effect I mentioned. You need to get them in full height configuration to get the cylindrical radiation pattern (which Wisdom offers and is the topic of this announcement). Wisdoms are also closed back designs so they are not dipoles. So there is really no close analogy here whatsoever.

Steinway makes a model (LS) with planar line source. I have not however heard it anywhere.

And yes, the Steinways in the CEDIA setting almost sounded offensive. It was all style and no substance.

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post #11 of 71 Old 11-30-2010, 07:26 PM
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Quote:
Originally Posted by amirm View Post

Genelecs are excellent of course but the sound from these planar magnetics is quite different. Nothing like a wall of sound hitting you, with much less impact from room effects. You can read a short technical article we wrote about them here.

Hey Amir, I see that piece was written by Bruce Stanley, who I've known since his Speakerlab days. Please say hi to him for me.

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post #12 of 71 Old 11-30-2010, 07:53 PM - Thread Starter
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Originally Posted by amirm View Post

You need to get them in full height configuration to get the cylindrical radiation pattern (which Wisdom offers and is the topic of this announcement). Wisdoms are also closed back designs so they are not dipoles. So there is really no close analogy here whatsoever.

Steinway makes a model (LS) with planar line source. I have not however heard it anywhere.

I have heard them 3 and 4 stacked in the Pac. design Center, offensive is a good word if not MUFFLED.


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post #13 of 71 Old 11-30-2010, 10:08 PM
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To be honest, you would be better off installing B-G RD-75 ribbons with a line source of low distortion metal drivers (6") to handle the lows and subs (Wisdom makes decisions that are market and not engineer driven with regards to tweeters). The ribbons would be eq'd so you would have not need for tweeters and build it all into the walls. Get your hands on an excellent digital x-over cross the ribbons and woofers (around 300 Hz with a steep x-over) and parametric eq to eq the ribbons and system. Find a good audio engineer to do the whole setup and you should be able to create a better system for far less money. Granted, you don't have the name recognition, and if you get the wrong engineer you just have crap for audio, but in the right hands you should be wiser than Wisdom.

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post #14 of 71 Old 12-01-2010, 05:28 AM
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To be honest, you would be better off installing B-G RD-75 ribbons with a line source of low distortion metal drivers (6") to handle the lows and subs (Wisdom makes decisions that are market and not engineer driven with regards to tweeters). The ribbons would be eq'd so you would have not need for tweeters and build it all into the walls. Get your hands on an excellent digital x-over cross the ribbons and woofers (around 300 Hz with a steep x-over) and parametric eq to eq the ribbons and system. Find a good audio engineer to do the whole setup and you should be able to create a better system for far less money. Granted, you don't have the name recognition, and if you get the wrong engineer you just have crap for audio, but in the right hands you should be wiser than Wisdom.

That may well be! Indeed, Bohlender-Graebner make a very nice floorstander (BG 520i) that sounds great for quite a bit less than $30K per speaker - I use 5 of these as surround speakers.

What does strike me as interesting about these new Wisdom speakers is the ability for the planar-magnetic arrays to go down to 80 hz. As you imply, most of the radia ribbons only go practically down to around 300 hz. (although they do make the RD48 as a replacement for the Genesis speakers that is stretched/modified to go down to 100 hz.), so 80 hz. is quite interesting. Not $30K interesting however.

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post #15 of 71 Old 12-01-2010, 09:07 AM
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Hey Amir, I see that piece was written by Bruce Stanley, who I've known since his Speakerlab days. Please say hi to him for me.

Will do! He was the first person I went to figure out how to start this business.

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post #16 of 71 Old 12-01-2010, 12:29 PM
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Will do! He was the first person I went to figure out how to start this business.

Say hi to Jay for me too.

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post #17 of 71 Old 12-01-2010, 01:12 PM
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Quote:
Originally Posted by Pete View Post

$30-$40k buys a pretty nice Genelec system.

If you want your Genelecs to push out the 130db quoted above, $40k wont get you even close to a "system". It will get one unit.

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post #18 of 71 Old 12-01-2010, 01:36 PM
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You could get your 130dB at $40k with Procella ... but then you'll need the rest of the room (sides, rears, couple of additional subs).

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post #19 of 71 Old 12-02-2010, 08:47 AM
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Quote:
Originally Posted by coldmachine View Post

If you want your Genelecs to push out the 130db quoted above, $40k wont get you even close to a "system". It will get one unit.

I'd be happy with 110db...3 x HT210B, a pair of HT208 for the rears, and a couple of HTS4B. No additional expense for amplification...plenty of impact without giving up musicality, imaging, or nuance...all for less than $30K.
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post #20 of 71 Old 12-02-2010, 04:09 PM
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Quote:
Originally Posted by Pete View Post

I'd be happy with 110db...3 x HT210B, a pair of HT208 for the rears, and a couple of HTS4B. No additional expense for amplification...plenty of impact without giving up musicality, imaging, or nuance...all for less than $30K.

Isn't that a bit like someone posting here about a $30K projector and someone else saying he can buy another projector for $10K with half the light and contrast?



The Genelec has a different sound than these Wisdoms. We would not be a dealer for both if they did the same thing....

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post #21 of 71 Old 12-07-2010, 02:46 PM
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Amir,
I have no doubt the Wisdom and Genelec sound quite different. I was responding to an earlier post about SPL.
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post #22 of 71 Old 12-08-2010, 11:06 AM
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Originally Posted by Dennis Erskine View Post

You could get your 130dB at $40k with Procella ...

Cant get Procella in this country with a decent demo......off my list for p!ss poor service, which annoys me no end as its probably a great product

All the best with the Wisdom product

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post #23 of 71 Old 12-16-2010, 09:23 PM
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Hi Peter,

This will be corrected in the new year: we will be setting up a medium sized demo room, with 3 x Procella P8, 4 x P6 and a P15 and a P10 sub. I will invite you when all ready in Feb. May have an exciting little PJ as well! ... LED model... Gerben


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post #24 of 71 Old 12-23-2010, 03:18 PM
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Hi Peter,

This will be corrected in the new year: we will be setting up a medium sized demo room, with 3 x Procella P8, 4 x P6 and a P15 and a P10 sub. I will invite you when all ready in Feb. May have an exciting little PJ as well! ... LED model... Gerben

Hi Gerben - I look forward to it......looks like I'll be holding off on a new pair of left and rights then (going with another sub for our living room for aesthetic reasons)

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post #25 of 71 Old 12-23-2010, 09:44 PM
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Are the Wisdom's and the Bowlegged Grabbers designed by the same person?

Just curious.

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post #26 of 71 Old 12-23-2010, 09:57 PM
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Are the Wisdom's and the Bowlegged Grabbers designed by the same person?

Just curious.
Are you typing on your phone? If you mean Bohlender-Graebener, yes he is the same Designer although the transducers and the system approach is evolved: http://www.wisdomaudio.com/pdfs/Wisd..._Graebener.pdf

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post #27 of 71 Old 12-24-2010, 10:04 AM
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I should also add that David left B&G in 1998.

Happy holidays everyone!

Amir
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"Insist on Quality Engineering"

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post #28 of 71 Old 12-24-2010, 03:33 PM
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Are you typing on your phone? If you mean Bohlender-Graebener, yes he is the same Designer although the transducers and the system approach is evolved: http://www.wisdomaudio.com/pdfs/Wisd..._Graebener.pdf

No not typing on my phone. I'm a comedian. Haven't you seen me on Showtime?

Mike Miles

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Process Integration, Inc. [ contract sales consultant ]

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post #29 of 71 Old 12-24-2010, 03:58 PM
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No not typing on my phone. I'm a comedian. Haven't you seen me on Showtime?

OK, here is a holiday tip: if you have to declare yourself a comedian for someone to get the joke, you need find a new line of business!

Seriously, I hope we can be more respectful to industry experts and not make fun of their names of all things. That kind of thing you want to have left behind in high-school....

Amir
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"Insist on Quality Engineering"

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post #30 of 71 Old 12-29-2010, 06:18 PM
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Been busy with Christmas and other stuff.

Seriously bro you need to lighten up and check out Showtime!

Mike Miles

ICR [ Sales Consulting and Small Part-Time AV shop, very small...  ]

Process Integration, Inc. [ contract sales consultant ]

Eastern Shore of Maryland

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