Can jitter cause hiss ?

percy · 21st April 2006, 01:23 AM

Recently I was fooling around with my old(er) Sony discman (D-191) that I had purchased about 6-7 yrs ago. I pulled out the transport mechanism and applied some vibration damping material to whatever areas I possibly could, including the motors and the lens carraige. The one biggest difference I noticed after doing this mod was that before there used to be a very obvious background hiss while playing which is now as good as gone. The only thing that I can think of is that the vibration damping helped reduce jitter caused due to mechanical vibrations. But I have no way of verifying. Could this be possible ? Could jitter cause hiss ? If so then what is the technical explanation for this ?

macboy · 21st April 2006, 01:15 PM

It is more likely that a dirty or corroded electrical connection was cleaned up as a side effect of disconnecting and reconnecting it.

percy · 21st April 2006, 04:27 PM

nope didnt remove any connectors, had enough room with the wires connected, once the transport was off its three rubber grommet feet.

21st April 2006, 01:23 AM	#1
percy diyAudio Member Join Date: Apr 2004 Location: MN	Can jitter cause hiss ? Recently I was fooling around with my old(er) Sony discman (D-191) that I had purchased about 6-7 yrs ago. I pulled out the transport mechanism and applied some vibration damping material to whatever areas I possibly could, including the motors and the lens carraige. The one biggest difference I noticed after doing this mod was that before there used to be a very obvious background hiss while playing which is now as good as gone. The only thing that I can think of is that the vibration damping helped reduce jitter caused due to mechanical vibrations. But I have no way of verifying. Could this be possible ? Could jitter cause hiss ? If so then what is the technical explanation for this ?

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21st April 2006, 01:15 PM	#2
macboy diyAudio Member Join Date: Oct 2003 Location: Ottawa, Canada	It is more likely that a dirty or corroded electrical connection was cleaned up as a side effect of disconnecting and reconnecting it.

21st April 2006, 04:27 PM	#3
percy diyAudio Member Join Date: Apr 2004 Location: MN	nope didnt remove any connectors, had enough room with the wires connected, once the transport was off its three rubber grommet feet.

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