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Old 4th July 2010, 10:10 PM   #271
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thank you very much
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Old 5th July 2010, 10:58 AM   #272
mathez is offline mathez  Indonesia
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hi apex,.,may i use irfp250n for final TR?in this amp
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Old 5th July 2010, 11:59 AM   #273
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Quote:
Originally Posted by mathez View Post
hi apex,.,may i use irfp250n for final TR?in this amp
This amp use fully complementary output stage with P/N MOSFETs, you can find amp with QUASI NMOS output stage in thread (post #197):
100W Ultimate Fidelity Amplifier
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Old 6th July 2010, 06:22 AM   #274
mathez is offline mathez  Indonesia
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okey thanks
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Old 6th July 2010, 07:22 AM   #275
mathez is offline mathez  Indonesia
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do you mean irfp250n can be use for AX14?
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Old 6th July 2010, 09:40 AM   #276
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Quote:
Originally Posted by mathez View Post
do you mean irfp250n can be use for AX14?
For NX14 not for AX14,
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Old 8th July 2010, 11:31 PM   #277
stcboy is offline stcboy  Saudi Arabia
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Originally Posted by apexaudio View Post
PSU for DIY with soft-start and DC protect. Transformer 1kVA sec: 2x55V 8A + 24V 1A.
PCB size: 200x75mm
Mr.Mile,
Can you please post the schematic of This psu with soft start /dc protect
as there is a missing label ( presumed capacitor but no specified value)
in the landscape shown at post #122.

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Old 9th July 2010, 05:31 PM   #278
mihailo is offline mihailo  Serbia
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Apex
Your PSU pcb in post #122 is very interesting.
Can it be used for B500?
Can you post schematics?
Regards
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Old 9th July 2010, 08:17 PM   #279
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Quote:
Originally Posted by mihailo View Post
Apex
Your PSU pcb in post #122 is very interesting.
Can it be used for B500?
Can you post schematics?
Regards
Yes, but PRO signal from B500 will not activate cut out speakers on this protect. Anti-click and DC protection will work. PSU and Soft-Start will work with any amp. I try to find schematics.
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Old 9th July 2010, 08:30 PM   #280
mihailo is offline mihailo  Serbia
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Thanks.
I need schematics because I don't know where to connect output,voltage,...
it's not marked on pcb.
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