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Old 26th May 2013, 08:08 PM   #1
2bz is offline 2bz  United States
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Default Starting to build my first F5 Turbo V3

This is my first non-tube amp build, so I am a little nervous.

I just got the PCBs for the channels and the PS. Populated with the resistors, so far. I'll post more pix as the build progresses. The plan is to try water cooling as is done with high power PCs. Has anyone experience with this?

Cheers.
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Old 26th May 2013, 10:00 PM   #2
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Yes!! Do it!!

F5 power amplifier
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Old 26th May 2013, 10:24 PM   #3
spurlte is offline spurlte  United States
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Default PCBs

Quote:
Originally Posted by 2bz View Post
This is my first non-tube amp build, so I am a little nervous.

I just got the PCBs for the channels and the PS. Populated with the resistors, so far. I'll post more pix as the build progresses. The plan is to try water cooling as is done with high power PCs. Has anyone experience with this?

Cheers.
Where did you purchase PCBs?
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Old 26th May 2013, 10:46 PM   #4
2bz is offline 2bz  United States
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Where did you purchase PCBs?
Jim's Audio on eBay. Spectacular quality boards!
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Old 26th May 2013, 11:02 PM   #5
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Did Jim get permission to make the boards and sell them?
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Old 27th May 2013, 01:13 AM   #6
6L6 is offline 6L6  United States
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Has he ever?
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Old 27th May 2013, 01:14 AM   #7
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Exactly.
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Old 27th May 2013, 01:18 AM   #8
6L6 is offline 6L6  United States
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I actually am asking in all seriousness - Although I have a pretty good idea what the answer will be...

Anyway,

2bz - look for threads started by member ' bcmbob ' he was doing some incredible water-cooled things, and very well illustrated.
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Old 27th May 2013, 10:48 AM   #9
2bz is offline 2bz  United States
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Originally Posted by 6L6 View Post
I actually am asking in all seriousness - Although I have a pretty good idea what the answer will be...

Anyway,

2bz - look for threads started by member ' bcmbob ' he was doing some incredible water-cooled things, and very well illustrated.
Thanks for the link. This is exactly what I have in mind. Bcmbob has solved a lot of the cold plate to MOSFET connection issues that plague my design. Gracias.
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Old 28th May 2013, 01:49 PM   #10
2bz is offline 2bz  United States
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I have read a lot of posts regarding replacement MOSFETS for the now out of production FQA12P20 / FQA19N20 pair. Here is my question: Has anyone actually built an F5 Turbo (any version) using other MOSFETS? If so, what did you use and how did it turn out?

Thanks.
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