Use of noise supressors for audio.

TB · 21st January 2007, 11:48 PM

Hello,
I was able to get few old, outboard CD-Roms and Hard drives. Each unit has a very nice metal enclosure which can be used for small amplifiers or pre-amps. Inside of each case is a switching power supply and noise suppressor. Basically, the noise suppressor is a combination of power cable input jack ( computer style detachable power cable ) and small metal box with suppressing circuit. They look very nice and compact. Did anyone try to use them in their DIY preamps or headphone amps? Does it make any sense to use them to suppress main power noise to boost quality of the sound?
Thanks

neutron7 · 22nd January 2007, 09:07 PM

http://www.apexjr.com/images/APEXJREMIFILTER1.jpg

like that? yes i used a couple from apex jr they are nice. only thing is no built in fuse holder.

Glowbug · 22nd January 2007, 09:24 PM

I'd be worried about the size of the capacitors and coils in a circuit like that, they probably weren't meant to carry a lot of current in their original app.

TB · 23rd January 2007, 02:01 AM

Thanks for answers. Yes neutron7, they look the same. I have also three much bigger, which came from server power supplies. I thought to use them in power supplies for chip amp. based preamps.

neutron7 · 23rd January 2007, 02:05 AM

well if it is for a server power supply i think it could take plenty of current. i am using them for lm3886 Chip amp and a pre amp.

21st January 2007, 11:48 PM	#1
TB diyAudio Member Join Date: Jun 2004 Location: Northern VA	Use of noise supressors for audio. Hello, I was able to get few old, outboard CD-Roms and Hard drives. Each unit has a very nice metal enclosure which can be used for small amplifiers or pre-amps. Inside of each case is a switching power supply and noise suppressor. Basically, the noise suppressor is a combination of power cable input jack ( computer style detachable power cable ) and small metal box with suppressing circuit. They look very nice and compact. Did anyone try to use them in their DIY preamps or headphone amps? Does it make any sense to use them to suppress main power noise to boost quality of the sound? Thanks

22nd January 2007, 09:24 PM	#3
Glowbug diyAudio Member Join Date: Feb 2006 Location: Hillsborough, NC/McLean, VA	I'd be worried about the size of the capacitors and coils in a circuit like that, they probably weren't meant to carry a lot of current in their original app. __________________ Jim J.

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22nd January 2007, 09:07 PM	#2
neutron7 diyAudio Member Join Date: Dec 2003 Location: Toronto Canada	http://www.apexjr.com/images/APEXJREMIFILTER1.jpg like that? yes i used a couple from apex jr they are nice. only thing is no built in fuse holder.

23rd January 2007, 02:01 AM	#4
TB diyAudio Member Join Date: Jun 2004 Location: Northern VA	Thanks for answers. Yes neutron7, they look the same. I have also three much bigger, which came from server power supplies. I thought to use them in power supplies for chip amp. based preamps.

23rd January 2007, 02:05 AM	#5
neutron7 diyAudio Member Join Date: Dec 2003 Location: Toronto Canada	well if it is for a server power supply i think it could take plenty of current. i am using them for lm3886 Chip amp and a pre amp.

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