Aleph wiring

gregjpeters · 9th December 2002, 05:16 AM

Hello all,

I have been looking at the PCBs available for the aleph series, and have come to the conclusion that mounting the fets (to the heatsink) would pretty much be the hardest part of constructing an amp. I was contemplating using short lead wires to mount my fets a few inches from the PCB. Two questions:

1. Will this affect the performance and stability of the circuit, if so, how much?

2. What kind of wire would be best?

Cheers,

Greg.

Nelson Pass · 9th December 2002, 05:21 AM

1) No problems at all. You can go at least 6 inches to a foot
without giving it a second thought.

2) Metal wires are my outstanding preference.

gregjpeters · 9th December 2002, 05:34 AM

Nelson,

Thanks for your reply. When you say metal wires, what exactly do you mean? Do you just mean single strand, solid cored wires?

Cheers,

Greg.

Samuel Jayaraj · 9th December 2002, 06:29 AM

Do not try the "fly-leads" approach with Mosfet amplfiers, other than Mr.Pass' designs. They are sure to oscillate particularly with Lateral Mosfet Outputs.

jh6you · 9th December 2002, 06:40 AM

Quote:

Originally posted by Nelson Pass
2) Metal wires are my outstanding preference.

Hahaha... Metal wires...

I tried different types of metal wires. And I found all of them worked the same. In short, yeah... metal wires!

Hahaha...

JH

chris ma · 9th December 2002, 12:48 PM

WIRE means solid state metal in elongated tube form isn't? never try plastic wire, must has a very high resistance value in ohms I guess

chris ma · 9th December 2002, 12:54 PM

PCB make up of hollow tubes and fill with mercury may be better than copper as tracks, a thick pcb though, no no they expand too much with temperature rise, silly me...

SkinnyBoy · 9th December 2002, 12:56 PM

Why use metal wires?? not all metals conduct and some things that aren't metal do conduct...

jh6you · 9th December 2002, 01:31 PM

I like to use tin-plated solid copper of 1.0mm-dia or 0.8mm dia.
Why? Mmm... tin resists corrosion. Of course, each diyer might have a different preference.

JH

Mad_K · 9th December 2002, 09:05 PM

Quote:

Originally posted by jh6you
I like to use tin-plated solid copper of 1.0mm-dia or 0.8mm dia.
Why? Mmm... tin resists corrosion. Of course, each diyer might have a different preference.

JH

ME2!!!

9th December 2002, 05:16 AM	#1
gregjpeters diyAudio Member Join Date: Nov 2002 Location: Brisbane, Australia	Aleph wiring Hello all, I have been looking at the PCBs available for the aleph series, and have come to the conclusion that mounting the fets (to the heatsink) would pretty much be the hardest part of constructing an amp. I was contemplating using short lead wires to mount my fets a few inches from the PCB. Two questions: 1. Will this affect the performance and stability of the circuit, if so, how much? 2. What kind of wire would be best? Cheers, Greg.

9th December 2002, 06:29 AM	#4
Samuel Jayaraj diyAudio Member Join Date: May 2001 Location: Bangalore, India	Do not try the "fly-leads" approach with Mosfet amplfiers, other than Mr.Pass' designs. They are sure to oscillate particularly with Lateral Mosfet Outputs. __________________ Sam

9th December 2002, 12:48 PM	#6
chris ma diyAudio Member Join Date: Sep 2001 Location: Pickering, Canada	good liquid wire (mercury) WIRE means solid state metal in elongated tube form isn't? never try plastic wire, must has a very high resistance value in ohms I guess

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9th December 2002, 05:21 AM	#2
Nelson Pass The one and only Join Date: Mar 2001	1) No problems at all. You can go at least 6 inches to a foot without giving it a second thought. 2) Metal wires are my outstanding preference.

9th December 2002, 05:34 AM	#3
gregjpeters diyAudio Member Join Date: Nov 2002 Location: Brisbane, Australia	Nelson, Thanks for your reply. When you say metal wires, what exactly do you mean? Do you just mean single strand, solid cored wires? Cheers, Greg.

9th December 2002, 12:54 PM	#7
chris ma diyAudio Member Join Date: Sep 2001 Location: Pickering, Canada	PCB make up of hollow tubes and fill with mercury may be better than copper as tracks, a thick pcb though, no no they expand too much with temperature rise, silly me...

9th December 2002, 12:56 PM	#8
SkinnyBoy Banned Join Date: Nov 2002 Location: Adelaide, Australia	Why use metal wires?? not all metals conduct and some things that aren't metal do conduct...

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