Planar Magnetic Loudspeakers Distributed by Seismos Productions

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Planar Magnetic LoudspeakersDistributed by
Seismos Productions

• Why Planar Magnetic Speakers Are Superior

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Agenda

• Why Can Everyone Hear So Clearly?
• What Customers Are Saying
• What Professionals Are Saying
• What Does HPV Technologies Offer?
• A Century Of Change, Overnight
• Contact Us

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• Why Can Everyone Hear So Clearly?

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Audience Coverage
Audience coverage is even and uniform with MAD
arrays. Each speaker is directed at a particular
area of the audience. The back of the venue is
only covered by the topmost speakers. The front
rows of the audience are not subjected to higher
sound pressure levels since they are only
listening to the bottom-most speakers which are
aimed at them and driven at an appropriate level.
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• A Century Of Change Overnight

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Conventional Wisdom

• Vocal and Instrumental Clarity is Hard to Obtain
• Volumes Have To Be Highest By The Speakers
• Phasing and Timing Problems Are Unavoidable
• Large Speaker Enclosures Are Necessary
• Horns Are Essential For Pattern Control
• Stereo Separation Is Only Sometimes Audible
• Transient Response Is Normally Sluggish

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The Last Generation

• Traditional Cones and Drivers
• Complex Designs
• Many Glue Joints
• Bulky Cabinets
• Voicecoil Burnout
• Inefficient Power Conversion
• Cone Breakup Under High Output
• Uncontrolled Resonance of Spider, Surround
• Wildly Ranging Impedance and Freq. Resp.
• High Cone Mass, Poor Transient Response

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Magnetic Audio Devices

• MAD Flat Panel Surface Array
• Rugged, Durable
• Highly Efficient
• Highly Directional
• Ultra-Intelligible
• Ultra-Musical
• Power Tolerant
• Even Impedance
• Instant Transients
• Easily Arrayed

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• What Customers
• Are Saying

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• I have to say it is the easiest sound system
  I have ever had the pleasure of dealing with. The
  concept of the array makes it simple and
  manageable in a timetable that calls for quick
  installation, in effect saving money in labor
  costs.
• Keith DeVerna
• Production Coordinator
• Broadway on Broadway

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• The audio quality is the best that weve ever
  heard in any facility anywhere. It was hard for
  everyone to reconcile that the 120dB-plus of
  crystal-clear audio comes from an array about the
  size of an average front door, weighing a little
  over 300 pounds," he says. "It was so efficient
  that weve had to turn our amps halfway down.
• Tim Higgins
• AV Services Manager
• ARCO Arena

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• The system, once the operator became
  comfortable with its capabilities, did everything
  that was asked of it.
• Gary Hardesty
• Production Resource
• Group

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• What Professionals
• Are Saying

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• The coverage from the single MAD array was
  seamless in its transition between individual and
  rows of transducers in both the horizontal and
  vertical within the defined pattern of the
  array.
• The transducers sum together without
  cancellation so efficiently that it enables
  excellent air coupling to the transducer
  diaphragms and high efficiency in effect, the
  array becomes a huge radiating surface.

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• This system has so many performance benefits,
  logistical benefits, as well as size and weight
  advantages that there is no doubt the world of PA
  systems is about to change drastically.

(CX Magazine)
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• This means a system that can cover an entire
  arena at a size and weight that can fit in the
  back of a cargo van a possibility that leaves
  tour and production managers salivating and
  trucking companies quivering.
• Unique is an overused marketing word, but
  these drivers are unlike anything else in the pro
  audio world, and theyre combined in a
  patent-pending approach that yields significant
  performance benefits.

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• What was most noticeable, besides the smooth,
  articulate sound, was that the sound-pressure
  level didnt seem to change as you walked toward
  and then away from the Muzikbox. This is a result
  of the planar magnetic transducers, which are
  very small (about 6"x9") with very controlled
  dispersion characteristics. When arrayed, the
  pattern control is so focused that the usual
  inverse square loss doesnt seem to apply.

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• Using a variety of sounds from human voice to
  music to sound effects (screams, shouts, gunfire,
  sirens, and the like), we succeeded in listening
  to the sounds from the transmitter located one
  statue mile in the distance!

- Sid Heal (Los Angeles Sheriffs Department)
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• What Products Does HPV Technologies Offer?

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What Do They Offer?

• Home Audio and Theater Solutions
• Recording Studio Reference Monitors
• Concert Grade Sound Systems
• Corporate Event Audio Systems
• Retail Public Address Systems
• House of Worship Sound Systems
• Industrial Grade Alert Systems
• Municipal Grade Outdoor Systems
• Military Grade Long Distance Arrays
• Federal Systems Made To Order

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Product Offerings
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• Point Source, Line Source, and Plane Source
  Designs

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Point Source Systems
Output levels must be high near traditional
loudspeakers to compensate for signal dispersion
at the rear of the venue.
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Line Source Systems
Output levels can be somewhat lower with line
array loudspeakers due to decreased signal
dispersion on the one axis.
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Plane Source Systems
Output levels can be uniform with planar arrays
so the sound level in the front row and the back
row can be virtually identical.
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Comparing Efficiency
For the same SPL at 320 meters, a Line Source
will require about 32 times less power (than a
point source), the Surface Array (MAD) will need
about 178 times less power while the ideal Plane
Source will need about 1000 times less power.
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Evidence For The Skeptic

• Controlled Long Distance Demo
• Only 1000 Watts of Amplifier Power
• Output measured at 300 meters
• Output was a stunning 112db at 300 meters!
• Perfect clarity

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• You Have To Hear It

http//www.seismosproductions.com
(216)-496-6445