P88 preamp power supply

Scribble · 23rd January 2005, 08:03 AM

Ok so im having a go at rod's preamp project 88: http://sound.westhost.com/project88.htm

I want to build the unit as a self contained unit including the power supply. My question is can anyone recommend a nice stable, mains powered, PSU for this project which i can include in the box with out the needs for a wall transformer?

Wound i be able to use this PSU design http://sound.westhost.com/project05.htm And just include a 16v transformer wired straight up in the case with the mains connector on the back?

Any help is appreciated.

Thanks for your time,
Scribble

maxw · 23rd January 2005, 08:21 AM

I didn't read through all that article but if you just need a +/- 15 V PSU then here is the one I made:
Help with regulated +/- 15V PSU schematic

All the parts are from Jaycar

udip · 23rd January 2005, 08:50 AM

Hi,

You can use the P05 preamplifier supply with no problems at
all, and you can put a 16 - 20v transformer inside the box,
just make sure it's placed far enough from the preamp.
If this is not possible, that u can put a buffer between the tx
and the preamp (piece of metal, etc.).

Udi.

23rd January 2005, 08:03 AM	#1
Scribble diyAudio Member Join Date: Dec 2002 Location: Western Australia	P88 preamp power supply Ok so im having a go at rod's preamp project 88: http://sound.westhost.com/project88.htm I want to build the unit as a self contained unit including the power supply. My question is can anyone recommend a nice stable, mains powered, PSU for this project which i can include in the box with out the needs for a wall transformer? Wound i be able to use this PSU design http://sound.westhost.com/project05.htm And just include a 16v transformer wired straight up in the case with the mains connector on the back? Any help is appreciated. Thanks for your time, Scribble

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23rd January 2005, 08:21 AM	#2
maxw diyAudio Member Join Date: Jun 2004 Location: London	I didn't read through all that article but if you just need a +/- 15 V PSU then here is the one I made: Help with regulated +/- 15V PSU schematic All the parts are from Jaycar

23rd January 2005, 08:50 AM	#3
udip diyAudio Member Join Date: Oct 2004 Location: Israel	Hi, You can use the P05 preamplifier supply with no problems at all, and you can put a 16 - 20v transformer inside the box, just make sure it's placed far enough from the preamp. If this is not possible, that u can put a buffer between the tx and the preamp (piece of metal, etc.). Udi.

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