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USSA-5 Build with Review
USSA-5 Build with Review
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Old 12th June 2018, 10:03 PM   #21
fab is offline fab  Canada
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USSA-5 Build with Review
Quote:
Originally Posted by xrk971 View Post
You need to go here:

USSA 5 build and questions

Sign up as a member and Fab will send you plans and instructions via email/pm’s.

Oh, and learn to read in French or use Google translate.
Well to use the Quebec forum then it is in French (as this forum here must be in English). But you can simply send me a message by this forum here and provide your personal address if you want the construction manual.
Fab
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Old 12th June 2018, 10:24 PM   #22
fab is offline fab  Canada
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Originally Posted by Samuel Jayaraj View Post
Thank you Greg for your amazing review of a very fine build of a very well engineered amp, USSA5. It's highly motivating to read such a good review.

Fab, how does one get the schematic, instructions and board? I have 2 pairs of Alfet 16xx parts, enough 2SK/2SJ Toshiba laterals, torroids, regulated supply which I use with ClassA amps, heatsinks, cabinets and pretty much everything else.

Thank you in advance, Fab.
Hi Samuel
Please send me a personal message to get the construction manual. You will have to choose between USSA3 and USSA5... I may have 1 or2 pcb of an older version I think. I will check once at home.

Fab

Last edited by fab; 12th June 2018 at 10:29 PM.
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Old 13th June 2018, 03:19 AM   #23
prasi is offline prasi  India
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Hello Greg,
Congratulations on the successful build and a great review.
regards
Prasi
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Old 13th June 2018, 09:37 AM   #24
Samuel Jayaraj is offline Samuel Jayaraj  India
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Thank you xrk971 and Fab. Fab, you've got PM.
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Old 13th June 2018, 09:52 AM   #25
thimios is online now thimios  Greece
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Nice work!
I wonder if it's possible finding those driver fets todays.

Last edited by thimios; 13th June 2018 at 09:54 AM.
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Old 13th June 2018, 01:14 PM   #26
xrk971 is offline xrk971  United States
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There are members who offer matched genuines, quad for $35. Not sure if still available.
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Old 14th June 2018, 07:34 AM   #27
patriz is offline patriz
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even the power mosfet seem unobtainable
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Old 14th June 2018, 10:52 AM   #28
thimios is online now thimios  Greece
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Who can help me building two set of this famous amplifier.
Who can help me buying pcb?
Who can help me buying difficult to find parts?
A good friend wants to support the cost of parts.
Please your help.
Thimios.

Last edited by thimios; 14th June 2018 at 11:02 AM.
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Old 14th June 2018, 01:16 PM   #29
fab is offline fab  Canada
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Quote:
Originally Posted by patriz View Post
even the power mosfet seem unobtainable
This is a 2 years old schematics. The exact replacement is still in production and sold by Profusion:
ECW20n20 and ECW20P20

All parts are obtainable. The amp have been built recently by some members.

Fab
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Old 14th June 2018, 01:20 PM   #30
ggetzoff is offline ggetzoff  United States
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You just asked them in the notes at the end of the order to give you the closest color match. See the tech specs at the bottom for the the color values:

ECW20N20-S - Selected Lateral Mosfet

ECW20P20-S - Selected Lateral Mosfet
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