Hi,
The question is simple although maybe a little dumb.
I have a Meanwell LRS200-48V which is a 200W@48v PSU, and I want to power a Sure Electronics Gremlin amp, which is a 400wpc @3ohm, and around 150wpc @8ohm if you want to keep distortion as low as possible...
So... I can use my actual power supply to power it, without a problem, but I think the PSU will be a little bit short of breath in some situations or passage of dynamic music. So... solutions are:
1-. get a more powerful PSU, which are more expensive and hard to get in my country, or
2-. get another identical PSU and wire it in parallel with the one I have.
Is alternative 2 doable or not? Is there any other considerations to look at?
Thanks in advance.
The question is simple although maybe a little dumb.
I have a Meanwell LRS200-48V which is a 200W@48v PSU, and I want to power a Sure Electronics Gremlin amp, which is a 400wpc @3ohm, and around 150wpc @8ohm if you want to keep distortion as low as possible...
So... I can use my actual power supply to power it, without a problem, but I think the PSU will be a little bit short of breath in some situations or passage of dynamic music. So... solutions are:
1-. get a more powerful PSU, which are more expensive and hard to get in my country, or
2-. get another identical PSU and wire it in parallel with the one I have.
Is alternative 2 doable or not? Is there any other considerations to look at?
Thanks in advance.
There is caps on the output of the power supply and you probably have extra capacitors on the amplifier that will handle the peakcurrents. I would not worry with "only" one power supply.. but a question. Do you not use +/- supply? How do you feed the amp from a single power supply?
Hi,
No, the power supply is single voltage DC48v and ground. 4.4amp.
The amp is fed the same way, DC48V and ground.
No, the power supply is single voltage DC48v and ground. 4.4amp.
The amp is fed the same way, DC48V and ground.
Two PSU's in parallel is a bad idea imo.
The one with the highest output voltage (even if its only a few millivolts in difference) will do all the work until such point as the current draw causes it to limit or shutdown. The one with lower voltage will do nothing.
Some might argue that using low value series resistors at the outputs of the PSU might get over the 'sharing' problem but I just don't think the idea is a good one.
The one with the highest output voltage (even if its only a few millivolts in difference) will do all the work until such point as the current draw causes it to limit or shutdown. The one with lower voltage will do nothing.
Some might argue that using low value series resistors at the outputs of the PSU might get over the 'sharing' problem but I just don't think the idea is a good one.
don't do that
You can put Meanwell PSUs in series but not in parallel.
You can use 2 Power supplys in a stereo amplifier to feed 1 channel each and this will work fine just as 2 mono blocks.
You can put 2 power supplys in series to get double voltage or to do a simmetrical power supply.
Connecting Mean Well Power Supplies in Series | Power Supplies Australia
You can put Meanwell PSUs in series but not in parallel.
You can use 2 Power supplys in a stereo amplifier to feed 1 channel each and this will work fine just as 2 mono blocks.
You can put 2 power supplys in series to get double voltage or to do a simmetrical power supply.
Connecting Mean Well Power Supplies in Series | Power Supplies Australia
Thanks for your reply!
Sadly, connect them in series won't work for me, at least in this project (although it's great to know they can work like that!)
When you say: "you can use 2 Power supplys in a stereo amplifier to feed 1 channel each and this will work fine just as 2 mono blocks" you mean in the Sure Elctronics Gremlin or in other amp? I assume this would imply that I need to tap into the feeding lines of each chip AMP (A.K.A. major tinkering).
Cheers!
Sadly, connect them in series won't work for me, at least in this project (although it's great to know they can work like that!)
When you say: "you can use 2 Power supplys in a stereo amplifier to feed 1 channel each and this will work fine just as 2 mono blocks" you mean in the Sure Elctronics Gremlin or in other amp? I assume this would imply that I need to tap into the feeding lines of each chip AMP (A.K.A. major tinkering).
Cheers!
I mean 1 psu can to be connected to feed left channel amplifier and the other one to the right channel amplifier.
You should do a good star ground joining the grounds of both power supplys.
You should do a good star ground joining the grounds of both power supplys.