Sonora Technology Co., Ltd. JAPAN

Acoustic Ready-to-Assemble Anechoic Chamber

Acoustic Ready-to-Assemble Anechoic Chamber
Acoustic Ready-to-Assemble Anechoic Chamber

Ready-to-Assemble Anechoic Chamber

The Anechoic Chamber uses the “non-flammable wedge-shaped absorbers” which we newly developed.  Through conventional methods we could not realized.  But “Non-flammable”, “Non-sound reflex materials”, “High soundproof capability”, and “ low price” are now available.  Because by using our new material Metal Panel with several layers helps to relocate our Anechoic Chamber easily at any place.
No more “wood work” or “ concrete construction”.


Precision instruments, auto-parts, electronic products, nanotechnology-related products,and environmental-related products.


For sound power level measurement, allophone inspection, sound measurement for evaluating product capabilities, environmental tests, etc.


Sound level meters, precision sound level meters, FFT spectrum analyzers, all kinds of sound evaluating equipment.

Acoustic Ready-to-Assemble Anechoic Chamber

Size, model, and price for reference (Unit:millimeters)

Model Inward Outward
S-1 W2000×L2500×H2450 W2700×L3200×L3150
S-2 W2500×L3000×H2450 W3200×L3700×H3150
S-3 W3000×L3500×H2450 W3700×L4200×H3150
H-1 W2000×L2500×H2450 W3250×L3750×H3700
H-2 W2500×L3000×H2450 W3750×L4250×H3700
H-3 W3000×L3500×H2450 W4250×L4750×H3700
TYPE-FREE As requested As requested

Sound Insulation Value (Transmission Loss)/dB

Hz 63 125 250 500 1K 2K 4K 8K
Guaranteed Value S (28) 35 41 45 51 55 57 56
H (32) 40 46 50 56 60 62 61
Actual Value S 42.4 43.0 53.9 67.1 67.7 71.9 75.4 84.9
H 34.8 51.0 63.5 69.8 73.8 78.3 81.6 88.1
Competitor 18 27 28 37 44 48 55
Customization Example A

Customization Example A

Customization Example B

Customization Example B

Customization Example C

Customization Example C


  • Non-flammable wedge-shaped absorbers/T=250 or T-500
  • Sound insulating panel (Layered soundproof metal panel)
  • Sound insulating door, sound absorption door
  • Gratings (plating) – can load up to 300kg per 1m3
  • 2 75mm*75mm holes for wiring with an internal and external sound insulating cover.
  • Hook for hanging microphone.
  • Supplying silencer- diffracting sound absorbing structure
  • Exhaust silencer- diffracting sound absorbing structure
  • Anechoic chamber comes with test data, specifications, etc.
  • Electric construction
  • 60W bulb
  • Outlet with a ground
  • Pilot lamp : “RUNNING”
  • Sirocco radiator fans and flexible silencers
  • Switch box
  • Cabinet panel
  • Secondary wiring work


  • Absorption Shelf
  • Air conditioner
  • Monitor
  • Cue light
  • BNC
  • Interphone
  • Gas detector
  • Fire Alarm Apparatus


  • Anechoic Chamber needs site-installation.
  • However Relocation is available because of Metal Panel construction.
  • Ready- to-assemble. No wood work, no concrete construction.
  • Anechoic Chamber uses non-flammable materials in all parts.
  • We set guaranteed values by measuring background noises and doing a frequency analysis at the scheduled place for installation.
  • Layout drawing, Instruction Manual, and Transmission loss test data will be submitted.
  • We can suggest measuring instruments such as sound level meters and analyzing equipments.
  • Changes in size and adjustments in sound absorption capability are available in accordance with the layout placement.
  • We guarantee the sound insulation values.

Sonora Technology Co., Ltd.
Verte Bldg 2F 2-40-5, Seijo, Setagayaku, Tokyo 157-0066, Japan
E-mail :

CONTACT 電話でのお問い合わせ


受付時間 / 9時~17時


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    〒412-0046 静岡県御殿場市保土沢1157-332  東名高速道路 御殿場ICより約15分
    TEL 03-6805-8988 / eFAX 03-6740-7875(全支店共通)


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