making two minibloks for stereo

watasnake · 31st January 2009, 10:51 PM

How would I go about making two miniblocks by Fred Nachbaur into a stereo set? I have little electronic experience. What about controling both. Should I use a pre and treat each as a single. Then how do I get around the volume. Oh, so many questions. I want two monoblocks with one volume control. Thats as simple as I can put it. Here is the amp I am talking about - http://www.dogstar.dantimax.dk/tubestuf/miniblk1.htm

chrish · 1st February 2009, 12:02 AM

If you have mono blocks then you will just use two for a stereo pair. Connect to a pre-amp for volume control. If you do not have or want a pre-amp, then build the two mono blocks in the one chassis with a stereo log pot volume control. If you build the two in the one chassis you would also be able to save some cost and complexity by building one power supply (obviously it must have twice the current handling capacity of a power supply designed to power one channel only).

Chris

watasnake · 1st February 2009, 03:50 AM

thanks Chris, I was looking for the stereo volume pot. I think I'm OK now.

31st January 2009, 10:51 PM	#1
watasnake diyAudio Member Join Date: Feb 2007 Location: USA	making two minibloks for stereo How would I go about making two miniblocks by Fred Nachbaur into a stereo set? I have little electronic experience. What about controling both. Should I use a pre and treat each as a single. Then how do I get around the volume. Oh, so many questions. I want two monoblocks with one volume control. Thats as simple as I can put it. Here is the amp I am talking about - http://www.dogstar.dantimax.dk/tubestuf/miniblk1.htm

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1st February 2009, 12:02 AM	#2
chrish diyAudio Member Join Date: Oct 2003 Location: Sydney	If you have mono blocks then you will just use two for a stereo pair. Connect to a pre-amp for volume control. If you do not have or want a pre-amp, then build the two mono blocks in the one chassis with a stereo log pot volume control. If you build the two in the one chassis you would also be able to save some cost and complexity by building one power supply (obviously it must have twice the current handling capacity of a power supply designed to power one channel only). Chris

1st February 2009, 03:50 AM	#3
watasnake diyAudio Member Join Date: Feb 2007 Location: USA	thanks Chris, I was looking for the stereo volume pot. I think I'm OK now.