CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Thermaltake Toughpower GF A3 750W (CE-Link)
Serial NumberPSTPD0750FNFAGULODVH00427
Lab IDTT75002527
Certification ID252527
  • Test Result Report ID: 24PS2527A
  • Certificate Issue Date: Aug 6, 2024
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
This product certification body is accredited in accordance with the recognized International Standard ISO/IEC 17065:2012 Requirements for bodies certifying products, processes and services. This product certification body also meets the A2LA R308 - Specific Requirements - ISO-IEC 17065 - Telecommunication Certification Body Accreditation Program and R322 - Specific Requirements - Notified Body Accreditation Requirements. This accreditation demonstrates technical competence for a defined scope and the operation of a management system
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

Test Equipment

Electronic Loads Chroma 63601-5 x2
Chroma 63600-2
Chroma 63640-80-80 x10
Chroma 63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P, GW Instek ASR-3500
Power Analyzers Rohde & Schwarz HMC8015 & NPA701
Oscilloscopes Picoscope 4444, Siglent SDS2104X PLUS
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Temperature Logger Picoscope TC-08
Tachometer UNI-T UT372
Multimeters Keysight 34465A
EMI Analyzer TekBox TBMR-110M-EU
Isolation Transformer 4kVA
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Testing Methodology Cybenetics PSU Test Protocol

DUT Information(Non-accredited measurements)

Product Identification Details
BrandThermaltake
ModelToughpower GF A3 750W (CE-Link)
OEM/ODMCE-Link
Serial NumberPSTPD0750FNFAGULODVH00427
Product Specifications
Manufacturer-Provided Information
Rated Voltage (Vrms)100-240
Rated Current (Arms)15-8
Rated Frequency (Hz)50/60
Rated Power (W)750
Operating Temperature (Continuous Full Load) (°C)
TypeATX12V
Cable DesignFully Modular
Warranty-
Cybenetics Measurements
Dimensions (W x H x D)
Weight
Cooling120mm Fluid Dynamic Bearing Fan (TT-1225 GQR1225D12M)
Semi-Passive Operation✓ (selectable)
Cybenetics Testing Information
Lab IDTT75002527
Date of receiptJul 26, 2024
Testing DateAug 5, 2024
Report Issued DateAug 6, 2024
Engineer Name-
Authorized By the Laboratory Technical ManagerAristeidis Bitziopoulos
Signature

Cables and Connectors(Non-accredited measurements)

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (600mm) 1 1 18-22AWG No
4+4 pin EPS12V (650mm+150mm) 1 2 16-18AWG No
6+2 pin PCIe (500mm+150mm) 2 4 16-18AWG No
12+4 pin PCIe (610mm) (300W) 1 1 16-24AWG No
SATA (510mm+150mm+150mm+150mm) 2 8 18AWG No
4-pin Molex (500mm+150mm+150mm+150mm) 1 4 18AWG No
FDD Adapter (+150mm) 1 1 22AWG No
AC Power Cord (1380mm) - C13 coupler 1 1 18AWG -

Protection Features(Manufacturer)

Over Voltage Protection ✓
Under Voltage Protection ✓
Over Power Protection ✓
Over Current (+12V) Protection ✓
Over Temperature Protection -
Short Circuit Protection ✗
Surge Protection ✓

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202062.530.3
Watts100750153.6
Total Max. Power (W)750

Parts Description

General Data
Manufacturer (OEM) CE-Link
PCB Type Single-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor MF72-5D15 (5 Ohm @ 25°C) & Relay
Bridge Rectifier(s)

2x HS GBU15V08 (800V, 15A @ 40°C)
APFC MOSFETs

2x Lonten LSD55R140GT (550V, 15A @ 100°C, Rds(on): 0.14Ohm) & Champion CM03X (for no load consumption)
APFC Boost Diode

1x Global Power G4S0658AT (650V, 8A @ 153°C)
Bulk Cap(s)

1x Nichicon (400V, 820uF, 2,000h @ 105°C, GL(M))
Main Switchers

2x Lonten LSD65R099GF (650V, 26A @ 100°C, Rds(on): 0.099Ohm)
Resonant Controller

Champion CU6901T6X
APFC Controller

Champion 6500UNX
Topology

Primary side: APFC, Half-Bridge & LLC converter Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 6x Lonten LSGN04R013WE (40V, 101A @ 100°C, Rds(on): 1.35mOhm)
5V & 3.3V DC-DC Converters: 4x Vergiga Semiconductor VS3610GPMT (30V, 49A @ 100°C, Rds(on): 3.3mOhm) PWM Controller(s): 2x Anpec APW7164
Filtering Capacitors

Electrolytic: 1x Nichicon (9-10,000h @ 105°C, HW(M)) 9x Teapo (3,000h @ 105°C, SC) 6x Teapo (2-6,000h @ 105°C, SY) Polymer: 18x Teapo
Supervisor IC GRENERGY GR8329E (OVP, UVP, OCP, )
Fan Model TT-1225 GQR1225D12M (120mm, 12V, 0.20A, Fluid Dynamic Bearing Fan)
5VSB
Rectifier

1x Jiangsu SP1060L SBR (60V, 10A)
Standby PWM Controller Esthome EST.2915HP

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)30-32 / 86-89.6
ErP Lot 3/6 Ready✓
(EU) No 617/2013 Compliance✓
ALPM (Alternative Low Power Mode) compatible✓
ATX v3.1 PSU Power Excursion✓

Performance Summary

Accredited
Average Efficiency (>1450 load combinations)89.412%
Average Noise Output (>1450 Load Combinations)24.11dBA
Average PF (>1450 Load Combinations)0.987
Efficiency With 10W (≤500W) or 2% (>500W) Load65.668%
Standby Power Consumption0.0631W
Non-Accredited
12V Ripple (Full Load)28.26mV
5V Ripple (Full Load)36.34mV
3.3V Ripple (Full Load)24.59mV
5VSB Ripple (Full Load)21.47mV
12V Load Regulation0.94%
5V Load Regulation1.61%
3.3V Load Regulation1.79%
5VSB Load Regulation3.52%
Inrush Current33.280A
Accredited
Average Efficiency (>1450 load combinations)91.425%
Average Noise Output (>1450 Load Combinations)25.50dBA
Average PF (>1450 Load Combinations)0.945
Efficiency With 10W (≤500W) or 2% (>500W) Load64.875%
Standby Power Consumption0.1253W
Non-Accredited
12V Ripple (Full Load)26.67mV
5V Ripple (Full Load)29.97mV
3.3V Ripple (Full Load)20.72mV
5VSB Ripple (Full Load)19.38mV
12V Load Regulation0.95%
5V Load Regulation1.59%
3.3V Load Regulation1.73%
5VSB Load Regulation3.43%
Inrush Current66.660A
12V Transient Response (200%)11.57V
5V Transient Response (200%)4.964V
3.3V Transient Response (200%)3.157V
5VSB Transient Response (200%)4.937V
Hold-Up Time & PWR_OK Signal22.30ms
AC Loss to PWR_OK Hold Up Time19.90ms
PWR_OK Inactive to DC Loss Delay2.40ms
PSU Timings: T1 (20% / 100%)91.0ms89.0ms
PSU Timings: T3 (20% / 100%)112.0ms112.0ms
12V OCP (24.7°C / 0.0°C)92.20A (147.52%), 11.675V92.00A (147.20%), 12.003V
5V OCP (24.7°C / 0.0°C)31A (155.00%), 4.967V31A (155.00%), 4.962V
3.3V OCP (24.7°C / 0.0°C)28.9A (144.50%), 3.305V29.2A (146.00%), 3.266V
5VSB OCP (24.7°C / 0.0°C)5.5A (183.33%), 4.911V5.3A (176.67%), 4.915V
OPP (42.07°C / 25.14°C)144.62%134.68%

Hold-Up Time & PWR_OK Signal

Hold-Up Time (ms)22.3
AC Loss to PWR_OK Hold Up Time (ms)19.9
PWR_OK Inactive to DC Loss Delay (ms)2.4

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.08 V 115.05 V 113.85 V 115.13 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.99 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.13 % 0.09 % N/A 0.18 % 2.00 % PASS
Real Power: 0.063 W -0.007 W N/A 0.104 W N/A N/A
Apparent Power: 8.337 W 7.827 W N/A 8.864 W N/A N/A
Power Factor: 0.011 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.06 V 230.94 V 227.70 V 231.11 V 232.30 V PASS
Mains Frequency: 50.00 Hz 49.99 Hz 49.50 Hz 50.01 Hz 50.50 Hz PASS
Mains Voltage CF: 1.417 1.416 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.17 % 0.14 % N/A 0.27 % 2.00 % PASS
Real Power: 0.125 W 0.087 W N/A 0.185 W N/A N/A
Apparent Power: 26.687 W 26.087 W N/A 27.358 W N/A N/A
Power Factor: 0.004 N/A N/A N/A N/A N/A

Graphs

Efficiency Graph

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations

Noise Graph

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails

Conducted Emissions EN 55032 & CISPR 32

Indicative Performance

Efficiency under high ambient temperature

INFO

The PSU`s efficiency under high ambient temperatures with 115V and 230V input. For this graph the results of the 10-110% load regulation table are used

5VSB Efficiency

INFO

This graph depicts the efficiency levels of the 5VSB rail with 115V and 230V input

5VSB Efficiency (ERP LOT 3/6 & CEC)

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.228W 62.188% 0.045
5.058V 0.367W 114.87V
2 0.09A 0.455W 70.565% 0.077
5.057V 0.645W 114.88V
3 0.55A 2.775W 79.545% 0.299
5.045V 3.489W 114.87V
4 1A 5.034W 80.161% 0.372
5.034V 6.28W 114.87V
5 1.5A 7.534W 80.213% 0.422
5.022V 9.392W 114.87V
6 3A 14.952W 79.029% 0.48
4.984V 18.919W 114.86V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.228W 54.16% 0.015
5.058V 0.421W 229.94V
2 0.09A 0.455W 64.494% 0.025
5.058V 0.706W 229.94V
3 0.55A 2.775W 76.449% 0.123
5.045V 3.63W 229.94V
4 1A 5.034W 78.915% 0.196
5.034V 6.379W 229.94V
5 1.5A 7.533W 79.592% 0.236
5.022V 9.465W 229.94V
6 3A 14.955W 80.149% 0.341
4.985V 18.66W 229.94V

Protection Features

OCP (Cold @ 24.7°C) 12V: 92.20A (147.52%), 11.675V
5V: 31A (155.00%), 4.967V
3.3V: 28.9A (144.50%), 3.305V
5VSB: 5.5A (183.33%), 4.911V
OCP (Hot) @ 0.0°C) 12V: 92.00A (147.20%), 12.003V
5V: 31A (155.00%), 4.962V
3.3V: 29.2A (146.00%), 3.266V
5VSB: 5.3A (176.67%), 4.915V
OPP (Cold @ 42.1°C) 1084.63W (144.62%)
OPP (Hot @ 25.1°C) 1010.08W (134.68%)
OTP
SCP 12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✗
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OK Proper Operation
NLO ✓
Fan Failure Protection ✗
SIP Surge: MOV
Inrush: NTC & Bypass Relay

Supplementary Tests (For Reference)

Typical Load Tests

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 4.404A 1.964A 1.971A 0.989A 74.997 86.326% 0 <6.0 47.16°C 0.96
12.124V 5.093V 3.349V 5.055V 86.875 40.59°C 114.84V
20% 9.827A 2.951A 2.963A 1.191A 149.924 89.223% 967 24.3 40.85°C 0.974
12.112V 5.083V 3.341V 5.039V 168.036 50.2°C 114.82V
30% 15.605A 3.448A 3.463A 1.393A 224.934 90.915% 873 20.8 41.26°C 0.985
12.103V 5.076V 3.336V 5.025V 247.414 49.78°C 114.8V
40% 21.395A 3.946A 3.965A 1.597A 300.035 91.356% 1052 27.3 41.65°C 0.99
12.098V 5.069V 3.33V 5.011V 328.424 50.31°C 114.78V
50% 26.809A 4.942A 4.966A 1.801A 374.482 91.036% 1305 33.4 42.31°C 0.993
12.084V 5.06V 3.323V 4.997V 411.352 51.72°C 114.75V
60% 32.278A 5.942A 5.972A 2A 449.462 90.627% 1430 35.6 42.81°C 0.995
12.073V 5.05V 3.316V 4.982V 495.946 52.71°C 114.72V
70% 37.752A 6.943A 6.978A 2.214A 524.414 90.056% 1550 37.6 43.09°C 0.996
12.060V 5.043V 3.311V 4.969V 582.323 53.61°C 114.69V
80% 43.305A 7.946A 7.987A 2.32A 599.603 89.377% 1684 39.9 43.71°C 0.996
12.047V 5.034V 3.305V 4.959V 670.877 54.75°C 114.66V
90% 49.203A 8.454A 8.485A 2.425A 674.63 88.681% 1761 40.9 44.61°C 0.997
12.034V 5.027V 3.3V 4.949V 760.734 56.91°C 114.64V
100% 54.906A 8.965A 9.015A 3.049A 749.767 87.953% 1792 41.5 45.74°C 0.997
12.022V 5.02V 3.294V 4.92V 852.455 59.38°C 114.61V
110% 60.500A 9.982A 10.126A 3.054A 824.787 87.053% 1799 41.7 46.35°C 0.997
12.008V 5.009V 3.288V 4.912V 947.456 62.25°C 114.58V
CL1 0.116A 11.928A 11.904A 0A 101.303 82.692% 1114 28.7 40.19°C 0.975
12.112V 5.047V 3.335V 5.098V 122.509 49.07°C 114.84V
CL2 0.115A 19.877A 0A 0A 101.376 81.468% 986 24.9 41.79°C 0.974
12.117V 5.03V 3.352V 5.118V 124.435 49.43°C 114.83V
CL3 0.114A 0A 19.82A 0A 67.383 76.947% 747 16.3 41.31°C 0.96
12.118V 5.092V 3.33V 5.09V 87.571 48.87°C 114.85V
CL4 62.293A 0A 0A 0A 749.476 88.839% 1779 41.3 45.64°C 0.997
12.032V 5.063V 3.313V 5.055V 843.631 57.12°C 114.61V

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 4.404A 1.963A 1.971A 0.989A 74.998 88.076% 0 <6.0 50.73°C 0.786
12.125V 5.093V 3.348V 5.055V 85.151 40.43°C 229.93V
20% 9.826A 2.951A 2.963A 1.191A 149.923 91.045% 0 <6.0 49.6°C 0.904
12.113V 5.083V 3.341V 5.039V 164.669 40.56°C 229.92V
30% 15.603A 3.448A 3.464A 1.393A 224.924 92.633% 717 14.9 41.2°C 0.94
12.105V 5.075V 3.335V 5.024V 242.814 45.21°C 229.91V
40% 21.392A 3.946A 3.965A 1.596A 300.018 93.169% 812 18.8 41.63°C 0.958
12.099V 5.069V 3.329V 5.011V 322.018 45.81°C 229.9V
50% 26.798A 4.942A 4.966A 1.801A 374.401 93.052% 1100 28.1 42.32°C 0.966
12.086V 5.059V 3.323V 4.996V 402.354 46.45°C 229.88V
60% 32.261A 5.941A 5.971A 2A 449.295 92.817% 1319 33.5 42.92°C 0.973
12.074V 5.05V 3.317V 4.982V 484.066 47.67°C 229.87V
70% 37.736A 6.942A 6.978A 2.213A 524.241 92.483% 1506 37.1 43.36°C 0.977
12.061V 5.043V 3.311V 4.969V 566.852 48.86°C 229.86V
80% 43.289A 7.944A 7.986A 2.318A 599.433 92.071% 1647 39.1 43.83°C 0.979
12.048V 5.034V 3.305V 4.96V 651.06 49.37°C 229.84V
90% 49.187A 8.452A 8.482A 2.423A 674.488 91.675% 1747 40.7 44.57°C 0.981
12.035V 5.028V 3.301V 4.951V 735.743 50.36°C 229.83V
100% 54.896A 8.962A 9.011A 3.046A 749.698 91.176% 1791 41.5 45.16°C 0.983
12.023V 5.021V 3.296V 4.924V 822.26 52.09°C 229.82V
110% 60.489A 9.977A 10.12A 3.051A 824.718 90.649% 1801 41.7 46.3°C 0.985
12.010V 5.011V 3.29V 4.916V 909.798 53.88°C 229.81V
CL1 0.114A 11.924A 11.9A 0A 101.287 84.34% 928 23.1 40.07°C 0.862
12.113V 5.048V 3.336V 5.098V 120.094 45.42°C 229.93V
CL2 0.114A 19.871A 0A 0A 101.365 82.998% 848 20.5 40.96°C 0.864
12.118V 5.031V 3.352V 5.118V 122.133 45.7°C 229.93V
CL3 0.114A 0A 19.81A 0A 67.376 78.648% 479 <6.0 40.23°C 0.788
12.118V 5.093V 3.331V 5.091V 85.669 45.67°C 229.93V
CL4 62.299A 0A 0A 0A 749.509 91.813% 1781 41.3 45.7°C 0.983
12.031V 5.065V 3.313V 5.057V 816.34 50.6°C 229.82V

The results above are not used in the certification process

Light Load Tests

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.224A 0.49A 0.492A 0.196A 19.996 72.381% 0 <6.0 41.31°C 0.82
12.135V 5.101V 3.353V 5.093V 27.626 36.05°C 114.86V
40W 2.694A 0.687A 0.689A 0.295A 39.995 81.113% 0 <6.0 43.69°C 0.915
12.130V 5.098V 3.352V 5.087V 49.306 37.61°C 114.85V
60W 4.166A 0.883A 0.886A 0.394A 59.995 85.456% 0 <6.0 45.26°C 0.951
12.127V 5.096V 3.351V 5.081V 70.207 38.34°C 114.85V
80W 5.634A 1.08A 1.084A 0.493A 79.933 87.048% 0 <6.0 47.1°C 0.962
12.123V 5.095V 3.349V 5.075V 91.827 39.55°C 114.84V

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.223A 0.49A 0.492A 0.196A 19.991 73.115% 0 <6.0 44.61°C 0.482
12.137V 5.101V 3.353V 5.093V 27.342 36.67°C 229.94V
40W 2.694A 0.687A 0.689A 0.295A 39.991 82.357% 0 <6.0 43.39°C 0.641
12.132V 5.098V 3.352V 5.087V 48.558 37.23°C 229.94V
60W 4.165A 0.883A 0.886A 0.394A 59.992 86.642% 0 <6.0 43.91°C 0.738
12.129V 5.096V 3.35V 5.081V 69.24 38.16°C 229.93V
80W 5.633A 1.08A 1.084A 0.493A 79.927 88.639% 0 <6.0 47.6°C 0.8
12.125V 5.094V 3.349V 5.074V 90.171 39.38°C 229.93V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load11.80mV25.40mV15.05mV22.20mVPass
20% Load12.68mV20.86mV14.27mV15.33mVPass
30% Load26.64mV18.44mV14.79mV13.89mVPass
40% Load17.06mV26.53mV15.00mV24.11mVPass
50% Load15.52mV20.71mV16.14mV14.76mVPass
60% Load16.34mV21.38mV15.10mV15.69mVPass
70% Load16.70mV21.95mV16.60mV15.59mVPass
80% Load18.41mV26.02mV16.75mV18.58mVPass
90% Load18.71mV32.61mV18.62mV24.16mVPass
100% Load28.26mV36.34mV24.59mV21.47mVPass
110% Load28.37mV28.49mV26.48mV19.63mVPass
Crossload111.82mV27.92mV23.23mV18.05mVPass
Crossload211.50mV23.91mV16.86mV11.87mVPass
Crossload311.44mV16.28mV23.89mV12.85mVPass
Crossload427.32mV22.08mV16.75mV16.85mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load11.80mV29.11mV14.58mV24.67mVPass
20% Load13.04mV28.59mV14.17mV23.18mVPass
30% Load27.75mV22.25mV15.05mV16.31mVPass
40% Load16.45mV24.73mV14.43mV22.04mVPass
50% Load16.39mV22.26mV16.24mV15.95mVPass
60% Load16.24mV24.63mV18.15mV16.67mVPass
70% Load16.86mV23.91mV15.98mV17.19mVPass
80% Load17.07mV28.85mV18.87mV19.98mVPass
90% Load17.74mV28.85mV18.87mV21.16mVPass
100% Load26.67mV29.97mV20.72mV19.38mVPass
110% Load28.08mV31.98mV24.76mV18.81mVPass
Crossload113.06mV23.49mV21.45mV15.03mVPass
Crossload212.06mV26.43mV16.70mV11.82mVPass
Crossload313.82mV34.88mV27.87mV29.63mVPass
Crossload426.72mV24.92mV15.88mV16.90mVPass

The results above are not used in the certification process

Thermaltake Toughpower GF A3 750W (CE-Link)

Top side
Power specifications label
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics runs voluntary certification programs for power supplies - ETA for efficiency, LAMBDA for noise and SAFE for safety and correct operation - and for cooling products, with DELTA for chassis soundproofing and PHI for fan airflow and static pressure
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
www.cybenetics.com - info@cybenetics.com