Neatness of wires?

toufu · 24th August 2009, 04:33 PM

I finished a couple of Pass clone builds and I have wires running all over inside the chassis. Would it improve the sound if I clean up the wiring using harnesses and ties?

richie00boy · 24th August 2009, 05:19 PM

Probably not unless some wire is close to a noise source such as transformer or high current parts/cables.

AMV8 · 24th August 2009, 08:10 PM

You may have already done this but if not it will help a lot to keep signal wires away from power supply wiring.
The biggest wiring problems normally come from defective earthing. Avoid earth loops.
Don

toufu · 24th August 2009, 08:14 PM

Thanks for the replies, what's the best way to ground the amp to avoid earth loop? I have Vgnd from the PSU to the AC Earth. Should I run AC earth to the chassis ground also?

Glowbug · 24th August 2009, 08:23 PM

I like to use star grounding - grounding everything back to a single point if possible.

http://www.geofex.com/Article_Folder...nd/stargnd.htm
http://www.aikenamps.com/StarGround.html

alazira · 24th August 2009, 11:46 PM

Quote:

Originally Posted by toufu

Thanks for the replies, what's the best way to ground the amp to avoid earth loop? I have Vgnd from the PSU to the AC Earth. Should I run AC earth to the chassis ground also?

Yes, AC earth must be grounded to chassis for your safety. PSU Vgnd should be connected to Chassis/AC earth via CL60 or disconnecting circuit to avoid ground loop hum.

Melon Head · 25th August 2009, 12:26 PM

Your question is implying that you are not entirely happy with the sound of your amps.
Once you have sorted out your wiring issues, if you are still not happy with the result. Then I am sure we can sort out any other problem.

If signal wires have to cross power supply wires then make sure you do so at 90 degrees.
Also try and keep wires as short as possible while still being neat.

vdi_nenna · 25th August 2009, 05:15 PM

My stuff always looks like tri-colored spaghetti.
Don't know how you guys keep your stuff so neat!

Colescuttle · 25th August 2009, 06:58 PM

Quote:

Originally Posted by alazira

Yes, AC earth must be grounded to chassis for your safety. PSU Vgnd should be connected to Chassis/AC earth via CL60 or disconnecting circuit to avoid ground loop hum.

max426 · 25th August 2009, 07:16 PM

http://search.digikey.com/scripts/Dk...name=KC006L-ND

24th August 2009, 04:33 PM	#1
toufu diyAudio Member Join Date: Jun 2008 Location: San Francisco	Neatness of wires? I finished a couple of Pass clone builds and I have wires running all over inside the chassis. Would it improve the sound if I clean up the wiring using harnesses and ties?

24th August 2009, 05:19 PM	#2
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	Probably not unless some wire is close to a noise source such as transformer or high current parts/cables. __________________ www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more

24th August 2009, 08:23 PM	#5
Glowbug diyAudio Member Join Date: Feb 2006 Location: Hillsborough, NC/McLean, VA	I like to use star grounding - grounding everything back to a single point if possible. http://www.geofex.com/Article_Folder...nd/stargnd.htm http://www.aikenamps.com/StarGround.html __________________ Jim J.

25th August 2009, 05:15 PM	#8
vdi_nenna diyAudio Member Join Date: Oct 2000 Location: PA, USA	My stuff always looks like tri-colored spaghetti. Don't know how you guys keep your stuff so neat! __________________ I build, therefore I am.

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24th August 2009, 08:10 PM	#3
AMV8 diyAudio Member Join Date: Jan 2005 Location: near london	You may have already done this but if not it will help a lot to keep signal wires away from power supply wiring. The biggest wiring problems normally come from defective earthing. Avoid earth loops. Don

24th August 2009, 08:14 PM	#4
toufu diyAudio Member Join Date: Jun 2008 Location: San Francisco	Thanks for the replies, what's the best way to ground the amp to avoid earth loop? I have Vgnd from the PSU to the AC Earth. Should I run AC earth to the chassis ground also?

25th August 2009, 12:26 PM	#7
Melon Head Formerly Thanh1973 Join Date: Nov 2006	Your question is implying that you are not entirely happy with the sound of your amps. Once you have sorted out your wiring issues, if you are still not happy with the result. Then I am sure we can sort out any other problem. If signal wires have to cross power supply wires then make sure you do so at 90 degrees. Also try and keep wires as short as possible while still being neat.

25th August 2009, 07:16 PM	#10
max426 diyAudio Member Join Date: Aug 2008 Location: Pa. USA	http://search.digikey.com/scripts/Dk...name=KC006L-ND

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