CUSTOM DESIGNS - Audio Room mounting phases
The Biggest SUBWOOFER of the WORLD
for the most esoteric Audio Room of the World
The Highest efficiency ever obtained with NO distortion using NO feedback tube low power amplifiers and NO crossover on the speakers
Royal Device has on its own developped and built the biggest subwoofer of the world for an AUDIO/VIDEO room that can be also considered as the biggest AUDIO ROOM for private music listening of the world. The audio reproduction is focused on the speakers output capability more than electric power output of the amplifiers with no need of KWatts power supply lines, releasing a 110 dB/1W/1 meter sensitivity starting from below 10 Hz focused on the listening position.
See photos below and click for
The AUDIO room is 6.95 x 8.70 meters. Front LEFT + RIGTH speakers are 8 x LAURA speakers per channel ( see LAURA) with a total of 16 loudpseakers.
SUBWOOFER horns are built underneath the floor in a cavity of 1 meter deep. Each horn is driven by 8 x 18" (45 cm) woofers. A total of 16 woofers.
Each horn is 9.5 meters long and has a mouth area of 2.2 square meters and reproduce starting from 10 Hz FULL POWER.
All amplifiers and CD players are placed into a 90 x 90 cm hole completely decoupled.
Acoustic treatment on ceiling and walls made in different and several ways to extremely reduce resonances below 200 Hz of the room wall and ceiling (standing waves).
Anechoic Back Wall to completely avoid backwall reflection.
SUB-WOOFER Compression chamber closure ( 120 Kg on 3,6 mq) are held and reiforced by an extra weight of 600 Kg. Total closure weight 720 Kg.
SPEAKER AND SIGNAL CABLES
More than 500 meters ( 1700' ) RD cables involved expressely designed for the system. Two cables are used for each speaker and each one is made of 8 wires AVG 24 OFC + shield, particularly assembled and twisted to perfectly match speaker and amplifier needs , manufactured with the same technique of the RD-BW cables.
Signal cables are made by 32 wires AVG 24 OFC + 4 internal shielded foils.
The RD Audio Room during set-up
before opening the compression chamber of the SUB WOOFERS
The 8 Laura - The central RD Horn - and the 8 X 47 cm WOOFERS
It can also be seen all the acoustic wall and ceiling treatment before the curtains finishing.
The 8 Laura with the central RD Horn - the 8 X 47 cm WOOFERS and the two tube amplifiers for the frontal speakers
Woofer mounting phase into the SUBHORN compression chamber
In the other hole (completely decoupled) can be seen the tube amplifiers for the front channels
The RD Audio Room during set-up
Woofer mounting phase into the SUBHORN compression chamber (visible in the left end side corner into the floor)
The compression chamber of the SUBHORN
(1.2 meters deep)
The compression chamber of the SUBHORN
Subwoofer connection
Into the compression chamber of the SUBHORN
View of the right & left side woofers
HORN SUBWOOFER
one SECTION SHOWN - into the compression chamber
in the front is visible the throat of the horn
Into the compression chamber of the SUBHORN
View of the left side woofers
The RD Audio Room - back wall anecoic treatment
The RD Audio Room - Here is where real music and emotions live
Aliante s.r.l.
Viale dell’Industria 19
21052 Busto Arsizio (VA), ITALY.
Tel. +39 0331 354070
Fax. +39 0331 342445
e-mail: aliante@royaldevice.com