W1zzard
11-21-2007, 01:50 PM
[PAGE=Introduction & Packaging]
Introduction
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/logo.jpg
I would like to thank Sunbeam (http://www.sunbeam.com) for supplying the test sample.
Specifications from manufacturer
Max efficiency 87%, Average Efficiency 86%
Minimum 82.3% efficiency at 100% load
Super Quiet Operation (1500RPM, Noise under 30 dBA at 100% load condition )
Japanese Ripple Capacitor
Fan Delay-Off Feature(Fan will not stop working until the temp below 50)
13.5cm 2-Ball Bearing Fan +8 cm Fan
Active PFC
3-year warranty
220mm*148mm*85mm
Packaging
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/package1_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/package1.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/package2_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/package2.jpg)
The box of the Tuniq ensemble is the biggest package for a PSU that I have ever seen - it is massive. On the front you find a product photo while the back is dominated by a list of features.
Box contents:
Power supply unit
Power Cord
Instruction Manual
5.25" to SATA adapter cable
2x PCI-E 8-pin extension cable
10x cable ties
5.25" extension cable
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/contents_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/contents.jpg)
<table class="resulttable" border="1" cellspacing="0" cellpadding="5">
<tr>
<th rowspan="2">Connectors</th>
<th align="center">Main Power</th>
<th align="center">5.25"</th>
<th align="center">Floppy</th>
<th align="center">4 Pin CPU</th>
<th align="center">SerialATA</th>
<th align="center">PCI-E Aux Power</th>
</tr>
<tr>
<td align="center">ATX 24 Pin</td>
<td align="center">6</td>
<td align="center">2</td>
<td align="center">4</td>
<td align="center">6</td>
<td align="center">2x 6 + 2x 8</td>
</tr>
</table>
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/cablelength.gif
[page=The PSU]
The PSU
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu1_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu1.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu2_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu2.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu4_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu4.jpg)
Sunbeam uses a black brushed metal design for their power supply, which does take quite a bit of fingerprints. They can be easily wiped away with your bare hands though. It should also be noted that this PSU is longer than the ATX standard, so make sure it will fit your case. The exact length is 22 cm.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu3_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu3.jpg)
Unfortunately a modularity feature is not present, all cables are fixed to the PSU. Especially in this class of power supplies I find modularity extremely important since it allows you to use only the cables you really need at a given time which helps keep your case insides clean.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu5_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu5.jpg)
The top of the unit is dominated by the big 140 mm fan. A second fan is located near the back of the PSU.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu6_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu6.jpg)
Above the fan hub sits a nice Tuniq logo which is protected from damage by a transparent plastic foil.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/atx_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/atx.jpg)
The motherboard connector is a 24 pin variant, it is one big chunk of plastic. This makes sense since the motherboards you will use a 1200W power supply on will definitely have support for 24 pin power connectors.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v0_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v0.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v1_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v1.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v2_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v2.jpg)
This PSU comes with two 12V connectors. One is the 8-pin EPS variant and the second one is used on more "normal" motherboards. Depending on your motherboard you can use it as 4-pin of 8-pin connector. The two parts can be joined together by a locking mechanism which makes installation easier in cases with limited space.
[pagE=PSU Inside & Test Equipment]
PSU Inside
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside1_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside1.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside2_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside2.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside3_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside3.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside4_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside4.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside5_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside5.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside6_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside6.jpg)
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fan_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fan.jpg)
The 140 mm internal fan is made by Globe Fan.
Test Equipment
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/setup.jpg
The PSU is connected to an APC SmartUPS which supplies clean 220V input.
AC current is measured using a Peaktech 4010 desktop RS232 multimeter with 0.02A accuracy.
To measure DC output voltages of the PSU we use a Keithley 2700 6.5 digit data acquisition system. All three input voltages are measured at the same time using a solid state switching system.
Power Factor is measured using a generic Power Efficiency Meter.
Measurements for Ripple Voltage were obtained using a 100 MHz Tektronix TDS224 Digital Storage Oscilloscope.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/noisetest_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/noisetest.jpg)
Fan noise measurements are performed with an IEC Type 2 Sound level meter and this setup.
It consists of three high-power resistors and a Socket A motherboard. The motherboard creates a small load which makes sure the PSU turns on (some PSUs require a minimum load). Since there is no hardware installed in the motherboard, its power draw is negligible. The three resistors create a static load of 320W (120W @ 12V + 50W @ 5V + 150W @ 12V) - a typical high-performance system. This setup is also used to determine the power conversion efficiency of the PSU.
[page=Performance]
Performance
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/sticker_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/sticker.jpg)
<table class="resulttable" border="1" cellspacing="0" cellpadding="5">
<tr>
<th colspan="10">Tuniq Ensemble 1200W PSU-ENS-1200W-BK </th>
</tr>
<tr>
<th>AC Input</th>
<td colspan="9">100V-240V, 15A, 50-60 Hz</td>
</tr>
<tr>
<th>DC Voltage</th>
<td align="center">+3.3V</td>
<td align="center">+5V</td>
<td align="center">+12V1</td>
<td align="center">+12V2</td>
<td align="center">+12V3</td>
<td align="center">+12V4</td>
<td align="center">+5VSB</td>
</tr>
<tr>
<th rowspan="3">Max. Output </th>
<td align="center">30A</td>
<td align="center">30A</td>
<td align="center">20A</td>
<td align="center">20A</td>
<td align="center">25A</td>
<td align="center">25A</td>
<td align="center">6A</td>
</tr>
<tr>
<td colspan="2" align="center">200W</td>
<td colspan="4" align="center">1080W</td>
<td align="center">30W</td>
</tr>
<tr>
<td colspan="7" align="center">1200W</td>
</tr>
</table>
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psugraph.gif
Tested on: AMD Athlon64 FX-62 @ 2800 MHz, ABIT AT8, 2x 512 MB DDR400, WD Raptor 36 GB, Radeon X1900 XTX + Radeon X1900 XTX Crossfire
Voltage stability on the 12V line is very good, which is to be expected of a 1200W PSU.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/ripple1.jpg http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/ripple2.jpg
When I measured the ripple voltage I noticed that there were two distinct ripples of different frequency. The first image shows ripple at 5 mV/div, 5 uS/div which is the way we usually test. You can clearly see the ripple with 18 mV amplitude. On the second image we have ripple measured at 5 mv/div, 1 ms/div, so basically zoomed out by factor 20 on the horizontal time scale. Here we also see a nice ripple curve. I would say this is nothing bad, it was just something I noticed during testing. It has probably to do with the way how this PSU is constructed.
<table class="resulttable" border="1" cellspacing="0" cellpadding="5">
<tr>
<th>Standard deviation 12V</th>
<td align="right">7.87</td>
</tr>
<tr>
<th>Standard deviation 5V</th>
<td align="right">5.05</td>
</tr>
<tr>
<th>Standard deviation 3.3V</th>
<td align="right">7.55</td>
</tr>
<tr>
<th>Power Factor</th>
<td align="right">0.93</td>
</tr>
<tr>
<th>Ripple Voltage 12V</th>
<td align="right">18.2 mV</td>
</tr>
<tr>
<th>Power Efficiency @ 320 W</th>
<td align="right">83% (320W:384W)</td>
</tr>
</table>
Standard deviation is a statistical term, which tells how far away from the average the measurements are. In other words it's the average of the average.
A large standard deviation indicates that the data points are far from the average and a small standard deviation indicates that they are close within the average.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/efficiency.gif
Even though the Tuniq Ensemble can not reach the claimed efficiency of 86%-87%, it still delivers very good results with its 83% efficiency.
[PAGE=Fan Noise]
Fan Noise
For easier comparison of PSU fan noise results we have seperated our test results into three groups with a chart each:
Up to 500W: Typical PSU ideal for a single video card system.
500W to 750W: Plenty of power available for most single and dual video card machines.
Over 750W: For the most hardcore, power hungry and overclocked setups.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fannoise_500.gif http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fannoise_750.gif http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fannoise_1000.gif
Even though Sunbeam claims the fan is temperature controlled it did not show in our testing. This could be because our load value of 320W is only a fraction of the maximum power delivery capability. However, the unit is not "Super Quiet" as Sunbeam advertises. The noise levels are definitely acceptable though especially if you plan on using this in a hardcore overclocker's system where noise is secondary and performance comes first.
Sunbeam has done some testing on their own over a bigger load range:
With a load of 100W the fan noise is 18.3 dbA, at 300W it's 20.7 dbA, at 600W 24.0 dbA and at 1000W 29.76 dbA. This should show that the fan does ramp up speed indeed, but our test load is probably too small to pick it up.
Please note that these numbers were provided by the manufacturer.
[page=Value & Conclusion]
Value and Conclusion
<table width="100%" cellpadding="5" cellspacing="0" id="result">
<tr><th>http://www.techpowerup.com/images/dollar.gif</th>
<td>
Sunbeam is asking $299 for their Tuniq Ensemble power supply. This is certainly a huge chunk of money but in line with other offerings in this class.</td>
</tr><tr>
<th>http://www.techpowerup.com/images/thumbup.gif</th>
<td>
1200W of power
Stable output voltages
Good amount of PCI-E power connectors
High efficiency
Cables are fully sleeved
Adapter cables included
3 Year warranty
</td>
</tr>
<tr>
<th>http://www.techpowerup.com/images/thumbdown.gif</th>
<td>
Bigger than standard ATX
Could be quieter, Two fans
Not Modular
</td></tr>
<tr><th>9.2</th>
<td>The biggest issue I can see with this power supply is that almost nobody will need a 1200W PSU. In our testing we saw good voltage stability and very high efficiency rating, which makes this PSU a great choice if you are looking to power a super-high-end system.<br />
The bigger form factor should be no problem for power users who either have a full tower case or use an open bench for testing. Sunbeam has done a great job with the package, they even include some adapter cables. Especially the PCI-E extension cables are very useful because they give you even more room to work with your video cards.<br />
For such a versatile PSU it would have been a great additional feature if some of the cables were modular, so they could be detached when they are not required. This would help keep the case insides clean of any unwanted cable mess.<br />
Still, if you need a PSU that can pack a punch you should definitely take a look at the Sunbeam Tuniq Ensemble 1200W.
</td></tr>
<tr><th></th><td>http://www.techpowerup.com/images/editorschoice.gif</td></tr>
</table>
Introduction
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/logo.jpg
I would like to thank Sunbeam (http://www.sunbeam.com) for supplying the test sample.
Specifications from manufacturer
Max efficiency 87%, Average Efficiency 86%
Minimum 82.3% efficiency at 100% load
Super Quiet Operation (1500RPM, Noise under 30 dBA at 100% load condition )
Japanese Ripple Capacitor
Fan Delay-Off Feature(Fan will not stop working until the temp below 50)
13.5cm 2-Ball Bearing Fan +8 cm Fan
Active PFC
3-year warranty
220mm*148mm*85mm
Packaging
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/package1_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/package1.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/package2_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/package2.jpg)
The box of the Tuniq ensemble is the biggest package for a PSU that I have ever seen - it is massive. On the front you find a product photo while the back is dominated by a list of features.
Box contents:
Power supply unit
Power Cord
Instruction Manual
5.25" to SATA adapter cable
2x PCI-E 8-pin extension cable
10x cable ties
5.25" extension cable
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/contents_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/contents.jpg)
<table class="resulttable" border="1" cellspacing="0" cellpadding="5">
<tr>
<th rowspan="2">Connectors</th>
<th align="center">Main Power</th>
<th align="center">5.25"</th>
<th align="center">Floppy</th>
<th align="center">4 Pin CPU</th>
<th align="center">SerialATA</th>
<th align="center">PCI-E Aux Power</th>
</tr>
<tr>
<td align="center">ATX 24 Pin</td>
<td align="center">6</td>
<td align="center">2</td>
<td align="center">4</td>
<td align="center">6</td>
<td align="center">2x 6 + 2x 8</td>
</tr>
</table>
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/cablelength.gif
[page=The PSU]
The PSU
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu1_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu1.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu2_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu2.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu4_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu4.jpg)
Sunbeam uses a black brushed metal design for their power supply, which does take quite a bit of fingerprints. They can be easily wiped away with your bare hands though. It should also be noted that this PSU is longer than the ATX standard, so make sure it will fit your case. The exact length is 22 cm.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu3_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu3.jpg)
Unfortunately a modularity feature is not present, all cables are fixed to the PSU. Especially in this class of power supplies I find modularity extremely important since it allows you to use only the cables you really need at a given time which helps keep your case insides clean.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu5_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu5.jpg)
The top of the unit is dominated by the big 140 mm fan. A second fan is located near the back of the PSU.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu6_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psu6.jpg)
Above the fan hub sits a nice Tuniq logo which is protected from damage by a transparent plastic foil.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/atx_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/atx.jpg)
The motherboard connector is a 24 pin variant, it is one big chunk of plastic. This makes sense since the motherboards you will use a 1200W power supply on will definitely have support for 24 pin power connectors.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v0_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v0.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v1_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v1.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v2_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/12v2.jpg)
This PSU comes with two 12V connectors. One is the 8-pin EPS variant and the second one is used on more "normal" motherboards. Depending on your motherboard you can use it as 4-pin of 8-pin connector. The two parts can be joined together by a locking mechanism which makes installation easier in cases with limited space.
[pagE=PSU Inside & Test Equipment]
PSU Inside
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside1_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside1.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside2_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside2.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside3_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside3.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside4_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside4.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside5_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside5.jpg) http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside6_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/inside6.jpg)
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fan_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fan.jpg)
The 140 mm internal fan is made by Globe Fan.
Test Equipment
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/setup.jpg
The PSU is connected to an APC SmartUPS which supplies clean 220V input.
AC current is measured using a Peaktech 4010 desktop RS232 multimeter with 0.02A accuracy.
To measure DC output voltages of the PSU we use a Keithley 2700 6.5 digit data acquisition system. All three input voltages are measured at the same time using a solid state switching system.
Power Factor is measured using a generic Power Efficiency Meter.
Measurements for Ripple Voltage were obtained using a 100 MHz Tektronix TDS224 Digital Storage Oscilloscope.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/noisetest_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/noisetest.jpg)
Fan noise measurements are performed with an IEC Type 2 Sound level meter and this setup.
It consists of three high-power resistors and a Socket A motherboard. The motherboard creates a small load which makes sure the PSU turns on (some PSUs require a minimum load). Since there is no hardware installed in the motherboard, its power draw is negligible. The three resistors create a static load of 320W (120W @ 12V + 50W @ 5V + 150W @ 12V) - a typical high-performance system. This setup is also used to determine the power conversion efficiency of the PSU.
[page=Performance]
Performance
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/sticker_small.jpg (http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/sticker.jpg)
<table class="resulttable" border="1" cellspacing="0" cellpadding="5">
<tr>
<th colspan="10">Tuniq Ensemble 1200W PSU-ENS-1200W-BK </th>
</tr>
<tr>
<th>AC Input</th>
<td colspan="9">100V-240V, 15A, 50-60 Hz</td>
</tr>
<tr>
<th>DC Voltage</th>
<td align="center">+3.3V</td>
<td align="center">+5V</td>
<td align="center">+12V1</td>
<td align="center">+12V2</td>
<td align="center">+12V3</td>
<td align="center">+12V4</td>
<td align="center">+5VSB</td>
</tr>
<tr>
<th rowspan="3">Max. Output </th>
<td align="center">30A</td>
<td align="center">30A</td>
<td align="center">20A</td>
<td align="center">20A</td>
<td align="center">25A</td>
<td align="center">25A</td>
<td align="center">6A</td>
</tr>
<tr>
<td colspan="2" align="center">200W</td>
<td colspan="4" align="center">1080W</td>
<td align="center">30W</td>
</tr>
<tr>
<td colspan="7" align="center">1200W</td>
</tr>
</table>
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/psugraph.gif
Tested on: AMD Athlon64 FX-62 @ 2800 MHz, ABIT AT8, 2x 512 MB DDR400, WD Raptor 36 GB, Radeon X1900 XTX + Radeon X1900 XTX Crossfire
Voltage stability on the 12V line is very good, which is to be expected of a 1200W PSU.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/ripple1.jpg http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/ripple2.jpg
When I measured the ripple voltage I noticed that there were two distinct ripples of different frequency. The first image shows ripple at 5 mV/div, 5 uS/div which is the way we usually test. You can clearly see the ripple with 18 mV amplitude. On the second image we have ripple measured at 5 mv/div, 1 ms/div, so basically zoomed out by factor 20 on the horizontal time scale. Here we also see a nice ripple curve. I would say this is nothing bad, it was just something I noticed during testing. It has probably to do with the way how this PSU is constructed.
<table class="resulttable" border="1" cellspacing="0" cellpadding="5">
<tr>
<th>Standard deviation 12V</th>
<td align="right">7.87</td>
</tr>
<tr>
<th>Standard deviation 5V</th>
<td align="right">5.05</td>
</tr>
<tr>
<th>Standard deviation 3.3V</th>
<td align="right">7.55</td>
</tr>
<tr>
<th>Power Factor</th>
<td align="right">0.93</td>
</tr>
<tr>
<th>Ripple Voltage 12V</th>
<td align="right">18.2 mV</td>
</tr>
<tr>
<th>Power Efficiency @ 320 W</th>
<td align="right">83% (320W:384W)</td>
</tr>
</table>
Standard deviation is a statistical term, which tells how far away from the average the measurements are. In other words it's the average of the average.
A large standard deviation indicates that the data points are far from the average and a small standard deviation indicates that they are close within the average.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/efficiency.gif
Even though the Tuniq Ensemble can not reach the claimed efficiency of 86%-87%, it still delivers very good results with its 83% efficiency.
[PAGE=Fan Noise]
Fan Noise
For easier comparison of PSU fan noise results we have seperated our test results into three groups with a chart each:
Up to 500W: Typical PSU ideal for a single video card system.
500W to 750W: Plenty of power available for most single and dual video card machines.
Over 750W: For the most hardcore, power hungry and overclocked setups.
http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fannoise_500.gif http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fannoise_750.gif http://www.techpowerup.com/reviews/Sunbeam/Tuniq_Ensemble_1200W/images/fannoise_1000.gif
Even though Sunbeam claims the fan is temperature controlled it did not show in our testing. This could be because our load value of 320W is only a fraction of the maximum power delivery capability. However, the unit is not "Super Quiet" as Sunbeam advertises. The noise levels are definitely acceptable though especially if you plan on using this in a hardcore overclocker's system where noise is secondary and performance comes first.
Sunbeam has done some testing on their own over a bigger load range:
With a load of 100W the fan noise is 18.3 dbA, at 300W it's 20.7 dbA, at 600W 24.0 dbA and at 1000W 29.76 dbA. This should show that the fan does ramp up speed indeed, but our test load is probably too small to pick it up.
Please note that these numbers were provided by the manufacturer.
[page=Value & Conclusion]
Value and Conclusion
<table width="100%" cellpadding="5" cellspacing="0" id="result">
<tr><th>http://www.techpowerup.com/images/dollar.gif</th>
<td>
Sunbeam is asking $299 for their Tuniq Ensemble power supply. This is certainly a huge chunk of money but in line with other offerings in this class.</td>
</tr><tr>
<th>http://www.techpowerup.com/images/thumbup.gif</th>
<td>
1200W of power
Stable output voltages
Good amount of PCI-E power connectors
High efficiency
Cables are fully sleeved
Adapter cables included
3 Year warranty
</td>
</tr>
<tr>
<th>http://www.techpowerup.com/images/thumbdown.gif</th>
<td>
Bigger than standard ATX
Could be quieter, Two fans
Not Modular
</td></tr>
<tr><th>9.2</th>
<td>The biggest issue I can see with this power supply is that almost nobody will need a 1200W PSU. In our testing we saw good voltage stability and very high efficiency rating, which makes this PSU a great choice if you are looking to power a super-high-end system.<br />
The bigger form factor should be no problem for power users who either have a full tower case or use an open bench for testing. Sunbeam has done a great job with the package, they even include some adapter cables. Especially the PCI-E extension cables are very useful because they give you even more room to work with your video cards.<br />
For such a versatile PSU it would have been a great additional feature if some of the cables were modular, so they could be detached when they are not required. This would help keep the case insides clean of any unwanted cable mess.<br />
Still, if you need a PSU that can pack a punch you should definitely take a look at the Sunbeam Tuniq Ensemble 1200W.
</td></tr>
<tr><th></th><td>http://www.techpowerup.com/images/editorschoice.gif</td></tr>
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