|
|||||||
| Home | Forums | Rules | Articles | Store | Gallery | Blogs | Register | Donations | FAQ | Calendar | Search | Today's Posts | Mark Forums Read | Search |
| Class D Switching Power Amplifiers and Power D/A conversion |
|
Please consider donating to help us continue to serve you.
Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving |
|
![]() |
|
|
Thread Tools | Search this Thread |
|
|
#1 |
|
diyAudio Member
Join Date: Jan 2007
|
I'm thinking of putting my three Trends amps into a single case. Will this power supply work if I use a single power connection for tthe amps?
AC/DC Power Supply - 12VDC, 12.5A, 150W Short-circuit / over-load / over-voltage protection DC output adjustable to +/- 10% of rated output voltage AC Input: 88-132VAC / 176-264VAC selectable by switch Approvals: UL cUL TUV CE CB 199x110x50mm Two Year warranty |
|
|
|
#2 |
|
diyAudio Moderator
|
That's a big supply, don't think you'll have any trouble with it powering 3 T- amps. As I figure it, you would draw maximum 11A running all six channels full power sine wave into 4 ohms. Average musical draw will be much, much less. Maybe 1A.
You might be able to dial up the voltage a bit, to about 13 volts. That will give you a little more headroom - and you'll need all you can get. You won't know until you try it, so YMMV. Does it say that it needs a minimum current draw?
__________________
Take the Speaker Voltage Test! |
|
|
|
#3 |
|
diyAudio Member
Join Date: Jan 2007
|
Thanks Pono, I figure if anyone would know, it would be you.
This is my second option, but it only comes in 8 amps AC/DC Power Supply - 13.5VDC, 8A, 120W Input Voltage: 88-132 or 176-264VAC Output Voltage: 13.5VDC @ 8A AC input range selectable by switch Protections: short circuit / over load / over voltage / over temp. 3 color LED loading indicator Cooling by free air convection Fixed switching frequency at 25kHz Approvals: CSA / NRTLC / CE Two year warranty |
|
|
|
#4 |
|
diyAudio Moderator
|
You're welcome!
The second one says it has a switching frequency of 25Khz. Getting kinda close to the audio spectrum, there. No telling form the specs how well either is filtered. You can add some filtering if you need to.
__________________
Take the Speaker Voltage Test! |
|
|
|
#5 |
|
diyAudio Member
Join Date: Jan 2007
|
What will be involved in making a filter?
|
|
![]() |
| Currently Active Users Viewing This Thread: 1 (0 members and 1 guests) | |
| Thread Tools | Search this Thread |
|
|
Similar Threads
|
||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| trends TA-10 ideal power requirements | jeremyrosehifi | Class D | 4 | 29th April 2009 03:03 PM |
| SLA battery power for Trends TA10.1 | aquapiranha | Class D | 4 | 4th March 2008 09:24 PM |
| Trends TA-10 Power | Nappyhead | Class D | 5 | 29th November 2007 02:55 AM |
| SMPS for diy audio amps and multi-channel diy amps (and their power supplies) | tlparker | Solid State | 18 | 31st August 2006 10:39 AM |
| New To Site? | Need Help? |
| Page generated in 0.07973 seconds (75.84% PHP - 24.16% MySQL) with 11 queries |