4400 W 4480, db. 130 db danger threshold. 120 db. 120 db disco. 110 db. 110 db mechanical saw. 100 db. 100 db dog barking.

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1 8U 12 U 2600 W 3100, W 3720,00 24 U 20 U 16 U 5000 W 4820, W 4480, W 5665,00 1. It is a substitute for an air-conditioned computer room. 2. It allows you to avoid costs resulting from this kind of investment 3. it helps to save space, which is so valuable these days 4. instant installation - automatic start up when switched on 5. 24h safe use 6. smooth movement thanks to the use of castors 7. working in silence is more pleasant and efficient 8. It gives you a terrific working confort 9. helps to comply with the requirements of labour law in regard to noise levels 10. unrivalled thanks to its reliability and functional specifications 11. unbeatable value for money 12. available in 2 colours: anthracite and black Attenuation - Silent - Box - HP : from 70 db to 32 db (+/- 3dB) Noise level starting aircraft m 130 db 130 db danger threshold 120 db 120 db disco 110 db 110 db mechanical saw 100 db 100 db dog barking 90 db 90 db heavy traffic street 80 db 80 db crowded street 72 db 72 db server / pc / mac 62/70 db difficult intellectual work 60 db normal conversation 58 db quiet street 50 db 50 db quiet office 40 db 40 db bedroom 30 db 30/35 db - 62/70 db 35 db 60 db 58dB 1

2 2 Height 1184 mm 1305 mm Weight 75 kg 8 U W 3100, mm Height 1500 mm Weight 92 kg 12 U W 3720,00 Height 1184 mm 1725 mm Weight 120 kg 16 U W 4480,00 2

3 3 Height 1184 mm 2051 mm Weight 140 kg 20 U W 4820, mm Height 2231 mm Weight 175 kg 24 U W 5565,00 3

4 4 Silent-Box-HP is equipped with a programmable electronic temperature control system, consisting of 4 modules controlling the operation of a 2-stage fan and starting audible alarm. First module allows 2 temperature settings: 1st value - starting the fan nr 1 (1st gear) 2nd value - the fan nr 1 reaches a higher speed if there is an excessive rise in temperature (2nd gear) Second module allows 2 temperature settings: 1st value - starting the fan nr 2 (1st gear) 2nd value - the fan nr 2reaches a higher speed if there is an excessive rise in temperature (2nd gear) Third module allows you to set the temperature, at which audible alarm will sound (in case of overheating) Thermometers located on the front panel show the temperature inside the device. Triple USB socket on the front panel - instant access. In order to eliminate interference, IT cabling was separated from the low-voltage wiring. The ventilation system is equipped with sound traps and double 19 profiles in front and at the back. Our soundproof boxes are characterized by sturdiness, reliability and great cooling performance in case of any equipment. They enjoy an unrivalled position in terms of functional parameters, reliability and security. They are simply the best. It is designed to be used in places such as air traffic control towers, military command centres, hospitals, protection systems, media, transport etc. where the highest functional parameters are required.generated by equipment causes fatigue and reduces work efficiency... Cooling capacity : Silent - Box - HP - 8 U 2600 Watts Silent - Box - HP - 12 U 3400 Watts Silent - Box - HP - 16 U 4400 Watts Silent - Box - HP - 20 U 5000 Watts Silent - Box - HP - 24 U 5400 Watts We also manufacture custom-made soundproof boxes for non-standard devices. Options For deep or non-19 " rack units choose: PROF - R T PROF R T + 2 tablettes

5 5 PROGRAMMING Module N 1 module N 2 module N 3 On the front panel, there are three programming modules. Module no 1 allows you to program the temperature, at which the first fan starts, and the temperature, at which it runs at a higher speed. Module no 2 allows you to program the temperature, at which the second fan starts, and the temperature, at which it runs at a higher speed. Module no 3 allows you to set the temperature, at which audible alarm will sound. The display of the module shows the temperature inside the box. Programing Module no 1 Press the SET button once on the left side of the screen. The screen will display the message out 1. Using the arrow keys, set the desired temperature, at which the fans will start and press the button once again. Press the SET button, located on the left side of the screen, 2 times. The screen will display the message out 2.Using the arrow keys, set the desired temperature, at which the fans will start and press the button once again. To check the programmed temperatures keep pressing the SET button. Programing Module no 2 - as the modul nr 1 Programing Module no 3 Press the SET button once on the left side of the screen. The screen will display the message out 1. Using the arrow keys, set the desired temperature, at which the audible alarm will sound and press the button once again. To check the programmed temperatures keep pressing the SET button. Work in silence! Temperature control module - ventilation /alarm activation example module nr 1 26 C - start fun nr 1 low speed module nr 1 32 C - start fun nr 1 high speed module nr 2 40 C - start fun nr 2 low speed module nr 2 45 C - start fun nr 2 high speed module nr 3 48 C - start audible alarm 5 7

6 6 Silent - Box XL how to choose To be able to choose the model of the sound-proof box that fits your needs, you must first calculate the heat dissipation of your equipment. This heat dissipation is in Watts or BTU. It should be noted that the heat dissipation in Watts is just wattage of yours equipment Just consult the datasheet of your equipment or at least look at the power supply. For several equipments to install, just add the Watts. Really, the equipments work at about 50% of their capacity, for instance if an equipment has a power of 1000 Watts, it will work between 500/600 Watts with some strong electric power consumption every 10/20 seconds. Depending of the value found, you will be able to choose the model of the sound-proof box that will give your equipment the right ventilation. For instance, a MAC PRO has a energy consumption of 318 Watts, then its heat output is also 318 Watts. For example, if you want to install a MAC PRO (318 Watts) The right one is Silent-Box -500 (A or B) (cooling capacity 500 Watts) For a server or any else equipment that dissipates a lot of heat ( rack equipment or not, you have to choose Silent-Box-1000 (A or B) But if you want to install your Mac Pro ( 318 W) + Pro Tools HD PRE (400 W)) + Server Dell PowerEdge R-515 (750 W) it is Silent Box - XL 8 U that fits. (cooling capacity 2000 Watt) For the equipments with a strong heat dissipation you have to choose Silent - Box - HP Its cooling system strong, double and independent gives a high security in very hard conditions. It is recommended to choose a model a bit oversized to fit your needs to get an excellent ventilation, mainly if your room is not air-conditioned. It is also recommended to leave one or several spaces of 1U between the equipments for optimum ventilation. Most equipments work to a temperature from 40 to 60 It is recommanded not to exceed these temperatures. For maximum security, you can also install a remote monitoring system that will notify you by or SMS in case of overheating, see link: Your sound-proof box can be equipped with a power second supply in case of failure of the main power supply, the transfer to the secondary network is automatic and instantaneous. see link : Our range of sound-proof boxes fits every configuration whatever the nature of your equipment. 6 Copyright 2012 All rights reserved. Features and specifications subject to revision without notice.

7 7 T 20 [s] 1,00 Reverberation time Keoda "Silent-Box" 0,90 0,80 0,70 0,60 0,50 0,40 0,30 0,20 0,10 0, f [Hz] T20 average ( Hz): 0,09 s 7