30W mosfet Planteféve

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#22
Have some Hitachi Fets. And a repaired HMA 7500 II - there was sooo much to do;-)-;. I do think about, to remove all the boards and to build a little SE into this case. Should I use the Hitachis - and replace by actual Fets, and report about the differences - I shouldn't be at all surprised, if a lot hearsay about the Hitachis?-))) I am a little bit motivated;-)))

... and to give away. Birthday of a friend?
The original one is unaudible: sluggish pulp, or so;-)-;
 
#23
cumbb said:
Have some Hitachi Fets. And a repaired HMA 7500 II - there was sooo much to do;-)-;. I do think about, to remove all the boards and to build a little SE into this case. Should I use the Hitachis - and replace by actual Fets, and report about the differences - I shouldn't be at all surprised, if a lot hearsay about the Hitachis?-))) I am a little bit motivated;-)))

... and to give away. Birthday of a friend?
The original one is unaudible: sluggish pulp, or so;-)-;
Click to expand...
we can not resist
The Zenotron
zenotron_module.jpg

and the ZCA from mark houston 😎
 
#24
Yes;-)
Great!

And that without a board!
And without complementary-parts/pair;-!!! (Just ONE complementary-parts-stage and the result is noise - THD, TMD is (nearly) not of interest for the ear, for listening.-)

..."statement"-)
 
#25
cumbb said:
And a repaired HMA 7500 II - there was sooo much to do;-)-;. I do think about, to remove all the boards and to build a little SE into this case. Should I use the Hitachis - and replace by actual Fets, and report about the differences - I shouldn't be at all surprised, if a lot hearsay about the Hitachis?-))) I am a little bit motivated;-)))
Click to expand...

HMA 7500 (MK1) is as simple as the original Hitachi 1969, but not better or equal. HMA 7500 MK2 is complicated, Goldmund is better (with more focus on power supply).
 
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