Earthquake Sound Platine Noiree User Manual
Platine Noirée
High Fidelity 7.1 Surround Sound
User's Manual
Sound That Will Move You.
Dear Valued Customer
Congratulations on your purchase of the Hohmann “Platine Noiree” Signature series loudspeakers.
released Platine Noiree 7.1 home theater speakers are designed to provide Audiophiles with years of high-fidelity music
enjoyment. The Platine Noiree group is made of two (2) tower speakers, one (1) center speaker, two (2) dipole speakers and
two (2) monitor speakers - all magnetically shielded.
Handcrafted from 1" high density fiber boards, each cabinet is internally braced and reinforced using premium grade
solid wood and epoxy mix. Multi-stage finishing begins with extensive priming and sanding of the cabinet surface. Followed by
several layers of black and silver lacquer, with fine sanding in between. All covered by a smooth 1/8" clear lacquer coat. The
extensively polished cabinet possesses smooth and super refined finish that resets the standard of elegance. The Platine
Noiree speakers are perfectly balanced and matched for the optimum experience in home theater, they are designed to
dramatically enhance your enjoyment of music and films at home, by adding power and impact to images and sound effects.
Earthquake Sound Corporation is a subsidiary of the Hohmann International Group - manufacturers of fine mobile and
home audio products. Earthquake was founded in 1984, by Joseph Y. Sahyoun - a brilliant engineer and a well-respected
leader in developing new technologies. Mr. Sahyoun states: "unlike many new comers to the business, this is not a retailer
dream of making it big, or a corporate investment driven venture"; Earthquake is a product of "need and not greed".
Earthquake is an Engineering driven company, recognized by CEMA - Consumer Electronics Manufacturing Association - as a
leader in "design & engineering" of mobile and home audio products.
Rave reviews: Earthquake products (mobile & home) enjoy rave reviews from the industry leading publications. Car
Audio & Electronics, Mobile Electronics, Home Theater Magazine, Widescreen Review, Stereophile Guide, Digital Home
Entertainment and many other notable magazines had nothing but praise when testing Earthquake products.
Awards: the prestigious Consumer Electronics Manufacturers Association CEMA bestowed several Design and
Engineering Excellence awards on the Nova products. This was no accident, it is the natural result of years of accumulated
R&D in the mobile audio arena; a massive knowledge of audio and electronics that was applied to home audio products.
Suffice to say, Hohmann International and its subsidiaries have accumulated over 20 awards in Design & Engineering
Excellence.
The newly
Patented inventions: Hohmann International and its subsidiaries (Nova, Earthquake Sound) are proprietors of
multiple advanced patents. They lead the way in designing the only Symmetrically Loaded Passive Radiator, used in mobile
and home bass production alike. The Optically Coupled Distortion Limiting circuitry (OCDL) created to eliminate audio
amplifier input stage clipping without distorting the audio signal. Plus many other protected patents that can not be disclosed at
this time.
This owners manual is designed to better acquaint you with the Platine Noiree speakers system, and to guide you
through the phases of system design and application. It is imperative that you read this manual in its entirety. Our technicians
and staff are looking forward to answer any questions you might have, please call (1-800-576-7944).
Sincerely,
Joseph J. Sahyoun - President.
CAUTION: the Platine Noiree loudspeakers are capable of generating high sound pressure levels. You
should exercise caution when operating these speakers. Long term exposures to high levels of sound
pressure will cause permanent damage to your hearing. Sound pressure levels exceeding 85dB can be
dangerous with constant exposure, set your audio system to a comfortable loudness level. Earthquake
Sound Corporation does not assume liability for damages resulting from the direct use of the Platine Noireé
loudspeakers , and urges users to play music in moderate levels.
2
PN-4521 Tower Speaker System
D = 11"
H = 44.5"
W = 6"
* Magnetically shielded
* 24dB/oct high pass 18dB/oct low pass
* Enclosure type:
passive radiator bass reflex system
* Woofers:
Four 4" high power poly cone drivers
* Passive Radiator:
One 10" SLAPS
* Tweeters:
Two 1" high definition silk dome
* Power handling:
500 watts
* Sensitivity:
89dB @ 1W/1M
* Bandwidth:
20Hz to 35kHz.
* Net weight:
47 Lbs.
- dBSPL
1W / 1M
Distance Loudspeaker - mic: 104.3 cm dBSPL normalized on 1 Meter PN-4521 Tower
100
90
80
70
60
50
40
20 30 50 100 200 500 1k 2k 3k 5k 10k 20k 30kHz
(88.9 dB Diff:0.01)
(Impedance Curve)
Ohm
56
48
40
32
24
16
8
D = 11"
W = 28"
H = 6"
* Magnetically shielded
* 24dB/oct high pass 18dB/oct low pass
* Enclosure type:
passive radiator bass reflex system
* Woofers:
Four 4" high power poly cone drivers
* Passive Radiator:
One 10" SLAPS
* Tweeters:
Two 1" high definition silk dome
* Power handling:
500 watts
* Sensitivity:
89dB @ 1W/1M
* Bandwidth:
20Hz to 35kHz.
* Net weight:
47 Lbs.
PN-4421 Center Speaker System
- dBSPL
Distance Loudspeaker - mic: 104.3 cm dBSPL normalized on 1 Meter PN-4421 Centre
1W / 1M
100
90
80
70
60
50
40
20 30 50 100 200 500 1k 2k 3k 5k 10k 20k 30kHz
(89 dB Diff:0.01)
(Impedance Curve)
Ohm
56
48
40
32
24
16
8
3
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