Aleph wire routing question

D97GT · 22nd December 2006, 02:48 AM

I am wiring up my Aleph 5 on the bench this weekend. I was going to use a good quality 14 AWG copper 4 conductor cable that I have to wire the driver pcb to the output pcb. I was wondering if its a problem bundling the low level signal wires (sense/gate) with the high current ones (source/drain)? Any issues with noise or anything like that?

MRupp · 22nd December 2006, 07:43 AM

I would separate the gate/sense from the source/drain leads and if possible keep the gate totally separate. The drain/source leads carry the amplified signal currents which could feed back into the gate and cause extra distortion and possibly oscillations.

While we're at it, I would also keep all signal carrying leads at some distance (at least a few millimetres) from any metal surface (casing, heatsinks, etc.).

My 2 cents....

D97GT · 22nd December 2006, 07:32 PM

Thanks, Thats what I needed to know!

22nd December 2006, 02:48 AM	#1
D97GT diyAudio Member Join Date: Dec 2006	Aleph wire routing question I am wiring up my Aleph 5 on the bench this weekend. I was going to use a good quality 14 AWG copper 4 conductor cable that I have to wire the driver pcb to the output pcb. I was wondering if its a problem bundling the low level signal wires (sense/gate) with the high current ones (source/drain)? Any issues with noise or anything like that?

22nd December 2006, 07:43 AM	#2
MRupp diyAudio Member Join Date: Dec 2003 Location: Frankfurt area	I would separate the gate/sense from the source/drain leads and if possible keep the gate totally separate. The drain/source leads carry the amplified signal currents which could feed back into the gate and cause extra distortion and possibly oscillations. While we're at it, I would also keep all signal carrying leads at some distance (at least a few millimetres) from any metal surface (casing, heatsinks, etc.). My 2 cents.... __________________ Martin Rupp

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22nd December 2006, 07:32 PM	#3
D97GT diyAudio Member Join Date: Dec 2006	Thanks, Thats what I needed to know!

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