Point to point wiring help

junklocator · 29th April 2010, 06:01 PM

Does anyone have examples of the proper way to point to point wire HT power supplies?

Is there a website where I can get info on best practices? e.g. maximize cooling, minimize capacitance, distortion, etc... Thx.

kavermei · 30th April 2010, 06:56 AM

Rather than a single proper way, there are several "styles" which work well. Turret boards, regimented components, manhattan style, rats nets...

The primary virtues of proper HT power supply wiring are electrical safety and minimal hum. Things like cooling are a function of component placement rather than wiring.

One book I know of which explains this pretty well (it is often mentioned in this forum) is "Building valve amplifiers" by Morgan Jones.

You could skim through the books at Pete Millet's site, search for "pete millett technical books online" -- I'm not sure if there's one in there which covers this stuff, but it's worth a visit in any case.

The sticky threads in this forum will give you a good head start, too.

Finally you can learn a lot from examining actual P-t-P wired tube amplifiers. But keep in mind that the very old stuff had a lot of bad practices which today would be considered very inappropriate (e.g. old tube radios often had a live chassis, i.e. no isolation from mains). Better is to look at guitar amps for example.

Kenneth

Richard Ellis · 30th April 2010, 11:38 PM

I tend to self supporting bare wires for grounds, solid core.....minimal use of turret boards, only if the wires can't support themselves. Axial caps for straight shots, rather than "kinking" Radials...except socket pin to pin.
Liberal use of heat-shrink tubing for all solder joints, color keyed of course.
After you have settled on a chassis size....increase it by 1 1/2 times.
Try to cross wires at 90 degrees, with lots of spacing(Will require lots of reworking of component location) Locating components is always a trade-off.

__________________________________________________ _____Rick.........

Miniwatt · 23rd January 2011, 10:49 PM

I ended up here after a search, I thought there was a thread titled "show off your point to point wiring" but now I've lost it. Pointer anyone please?

mastodon · 24th January 2011, 08:38 AM

Show off your P2P wiring.

Miniwatt · 24th January 2011, 09:23 AM

Thanks Mastodon, with a '2', a-ha..

29th April 2010, 06:01 PM	#1
junklocator diyAudio Member Join Date: Apr 2010	Point to point wiring help Does anyone have examples of the proper way to point to point wire HT power supplies? Is there a website where I can get info on best practices? e.g. maximize cooling, minimize capacitance, distortion, etc... Thx.

30th April 2010, 06:56 AM	#2
kavermei diyAudio Member Join Date: Jan 2005 Location: Lokeren, Belgium	Rather than a single proper way, there are several "styles" which work well. Turret boards, regimented components, manhattan style, rats nets... The primary virtues of proper HT power supply wiring are electrical safety and minimal hum. Things like cooling are a function of component placement rather than wiring. One book I know of which explains this pretty well (it is often mentioned in this forum) is "Building valve amplifiers" by Morgan Jones. You could skim through the books at Pete Millet's site, search for "pete millett technical books online" -- I'm not sure if there's one in there which covers this stuff, but it's worth a visit in any case. The sticky threads in this forum will give you a good head start, too. Finally you can learn a lot from examining actual P-t-P wired tube amplifiers. But keep in mind that the very old stuff had a lot of bad practices which today would be considered very inappropriate (e.g. old tube radios often had a live chassis, i.e. no isolation from mains). Better is to look at guitar amps for example. Kenneth __________________ Never send a human to do a machine's job. --Agent Smith

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30th April 2010, 11:38 PM	#3
Richard Ellis diyAudio Member Join Date: Sep 2006 Location: Mar del Plata, a BIG seasonal getaway city, can see the Ocean from our residence.	I tend to self supporting bare wires for grounds, solid core.....minimal use of turret boards, only if the wires can't support themselves. Axial caps for straight shots, rather than "kinking" Radials...except socket pin to pin. Liberal use of heat-shrink tubing for all solder joints, color keyed of course. After you have settled on a chassis size....increase it by 1 1/2 times. Try to cross wires at 90 degrees, with lots of spacing(Will require lots of reworking of component location) Locating components is always a trade-off. __________________________________________________ _____Rick.........

23rd January 2011, 10:49 PM	#4
Miniwatt diyAudio Member Join Date: Nov 2004 Location: Den Haag	I ended up here after a search, I thought there was a thread titled "show off your point to point wiring" but now I've lost it. Pointer anyone please?

24th January 2011, 08:38 AM	#5
mastodon diyAudio Member Join Date: Jan 2011	Show off your P2P wiring.

24th January 2011, 09:23 AM	#6
Miniwatt diyAudio Member Join Date: Nov 2004 Location: Den Haag	Thanks Mastodon, with a '2', a-ha..

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