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Old 28th April 2013, 09:36 PM   #1
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Join Date: Apr 2013
Location: UK
Default Amp Component upgrade/mod guidance?

Hi guys

I would like to upgrade/update some of the components of the main L&R channel boards and the main power caps on my Teac AG H 550.

Sadly my skills & knowledge pretty much end at de-solder/soldering direct fit replacement components (and very well even if I do say so myself )

I know very little about the components themselves which is something I'm working on.

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With this in mind I was hoping some kind souls on here could have a look at the below pictures and service manual (with schematics) and advise me on what are the poorest parts currently fitted and suggested upgrades?

I understand I'm asking a lot and this is quite a bizzare thing to ask, so feel free to tell me to **** off

teac_ag-h550_sm.pdf (Service manual)

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Old 28th April 2013, 10:13 PM   #2
fpitas is offline fpitas  United States
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Join Date: Apr 2011
Location: Leesburg, VA
I understand what you're trying to achieve, so I won't tell you to **** off. I will say that you might do a lot of work for little return. Not because the TEAC is bad, but because a well-engineered product is difficult to improve piecemeal. If you have an urge to do creative electronics, you might want to consider building one of Mr. Pass's excellent DIY amps instead.
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Old 29th April 2013, 07:55 AM   #3
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Join Date: Apr 2013
Location: UK
I completely agree with you and understand what your saying

A full DIY amp has been on the back burner for a while, now I've found this excellent forum I will be selling up my previous hobby and getting stuck in soon.

In the mean time I would still like to put my mark on the little Teac, for the fun of it. I like it, it has character
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