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Audio Design Guide 2014 Power Follower
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Old 20th June 2018, 07:34 PM   #11
Zen Mod is offline Zen Mod  Serbia
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Quote:
Originally Posted by vdi_nenna View Post
You built both or you just looking at the schematics?

....
built , heard and know difference between inductive loading and CCS

in this case , with KISS approach , inductive is better to my ears

besides that , less heat for same power , which is important ...... after some time , when you fed enough appetite for simplest overkill

all in all , personal preference .......
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Old 17th November 2019, 02:43 AM   #12
vdi_nenna is offline vdi_nenna  United States
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I had a chassis and 30v 8A transformer from my failed attempt at a 25w Schade feedback amp. The PF 2014 amp can run from the same voltage, so I built it and after some troubleshooting with the designer Andrea Ciuffoli (found a bad BD139 bjt) its up and running.

I built it just to hear it, to try something different in the power follower vein.
Its as fine amp in it's own right. It's very quiet and dynamic as well.
Think I will keep this amp for a while.

Up next is the F4...

Thanks,

V.
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Old 21st November 2019, 08:50 PM   #13
vdi_nenna is offline vdi_nenna  United States
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Here's a few pics for fun.
Attached Images
File Type: jpg pf2014_00.jpg (541.7 KB, 66 views)
File Type: jpg pf2014_01.jpg (634.5 KB, 64 views)
File Type: jpg pf2014_02.jpg (634.9 KB, 62 views)
File Type: jpg pf2014_03.jpg (534.4 KB, 59 views)
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