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replacing ghetto sound system?
slybunda:
hey all looking to put a cleaner sound solution in my cab. the existing one works but seems dangerous to me since the transformer i put a red box around in the pics runs a bit on the hot side.
iv been recommended a Wangma WM-333 : https://www.ebay.co.uk/itm/112818862850
since i want to keep this cheapo is that all good for me? i got 2 speakers which are 5w and 4ohm each.
thanks.
slybunda:
Everyone using headphones i guess..
lilshawn:
--- Quote from: slybunda on March 21, 2022, 11:37:52 am ---Everyone using headphones i guess..
--- End quote ---
no, just not everyone peruses the jukebox forum on a forum dedicated to arcade stuff. it's a bit nice here.
that amp is not a bad amp... i've seen a couple others (basically all clones of each other anyway) and the performance is quite good. as long as you are happy with the performance of the speakers themselves, (looks like some old computer desktop speakers) its a good self contained solution.
i wouldn't be worried about the transformer getting hot. it's a fairly inefficient way to produce power, so it tends to generate a bit of heat as waste power when it's being operated. as long as it's somewhere people aren't going to be coming in contact with it, (i hope not anyway) i wouldn't consider it an issue.
with the power amp, you may have to supply your own power supply, as your computers power supply (depending on it's performance) may not properly supply power to the amp and its highly variable load. Computers kind of expect the load to stay pretty constant and don't do well with variations... especially on the 12v line which is converted and used by most computers these days to power the main core voltage for the CPU chip. high variances in the +12v supply voltage could cause the computer to crash. playing music is going to make the load on the 12 volt go up and down a lot, especially at higher volumes.
a power brick of 12v and about 2 Amps (2000mA) would suffice and are quite popular.
slybunda:
apologies i saw this sub forum to be Audio so i thought it was best to post here. if a mod can move the thread to the arcade section that would be great.
@lilshawn transformer is out of the way but its powered on all the time which is what i dont like. self contained amplifier would be good since i can run it from the pc power supply thats in the cab and has 12v available. just dont want to get something thats gonna burn out after a few months use.
Zebidee:
--- Quote from: slybunda on March 22, 2022, 04:20:29 am ---@lilshawn transformer is out of the way but its powered on all the time which is what i dont like. self contained amplifier would be good since i can run it from the pc power supply thats in the cab and has 12v available. just dont want to get something thats gonna burn out after a few months use.
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I suggest you look into using either a relay or a smartstrip to control power to the rest of the cab, depending on whether the PC is on or off.