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APT Preamp and Amp Upgrades
APT Preamp and Amp Upgrades
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Old 8th January 2006, 03:07 PM   #1
Jon_Dunlap is offline Jon_Dunlap  United States
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Join Date: Jan 2006
Location: NH USA
Default APT Preamp and Amp Upgrades

I recently purchased an APT/Holman preamp and the corresponding APT amp. I know that there's a lot of mixed emotions regarding this setup, but the price seemed right. I'd like to use these as a basis for starting to learn about tweaking and upgrading.

Can anybody point me in the right direction regarding the brand/type of capacitors I should be looking at for this upgrade/replacement?

Also, I've seen some people talk that socketing and opamp upgrades would realize more of a benifit than a cap upgrade/replacement. I disagree with this, but I would like to hear others thoughts.

I'd like to actually do both, but I'll be honest. This would be my first upgrade/tweak. Up until now it was only electronics repair. Finding the dead circuit, finding the fault and soldeirng in the exact same component.

So I need some help in picking out brands and types of replacement caps and op-amps. As well as a source for these parts. (I can say the people at Digi-Key know me well)...

Thanks in advance everyone, and I appreciate your help!

~Jon
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Old 13th July 2015, 07:36 AM   #2
Chickenwatt is offline Chickenwatt  ominican Republic
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Join Date: Feb 2014
Hi, I am late but here is the info, as you wrote this on 2006 please let me know what have you change on it

Here is a post where I describe all you have to do, I did it myself because I work repairing Audio Gear but if you do a training of desoldering and soldering only you need to be carefull with caps polarity

http://www.diyaudio.com/forums/solid...ml#post4388449
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