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Old 11th December 2008, 11:46 AM   #1
gilwe is offline gilwe  United States
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Join Date: Nov 2007
Default Most recommended Quad 33 upgrade ?

I just got a very nice Quad 33 which I'm willing to upgrade.
Browsing the web there are many suggestions of how to upgrade the 33,
including the Net Audio upgrade, and this one:

I was wondering, which is the most recommended upgrade available for the 33 ? What about the upgrade suggested on the link ? Will the 33 sound just as good as on the other "commercial" upgrades ? I rather prefer doing the upgrade myself using shelf components, rather than spending a few hundred bucks on upgraded custom boards
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Old 23rd April 2009, 08:30 PM   #2
pongola is offline pongola  South Africa
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Join Date: Apr 2009
Default quad 33 upgrade

I am sitting with the same query. Here is another link that is an alternative
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Old 24th April 2009, 10:56 AM   #3
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Change only all electrolytic capacitors, if they have not been replaced allready. Use good ones like panasonic FC, or other low ESR.
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Old 24th April 2009, 02:21 PM   #4
pongola is offline pongola  South Africa
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Join Date: Apr 2009
Default quad 33 upgrade

This page ( recommends also swapping out some of the resistors, and increasing the voltage. What do you think of this
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