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Old 14th April 2014, 03:11 PM   #1
waso is offline waso  Russian Federation
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Default 900W Class H PRO Power Amplifier.

Hi all!
This is not my first amp, but it's a first two-rail amp in my series called "Nataly".
Specs:
Nominal power - more that 900W, 4Ohms
THD on all frequency response - less 0,03%
THD on 1kHz - less 0,005%
This amplifier was made and discussed on Russian forum: V.2013 Двухэтажный PRO-усилитель в классе Н
Project homepage (in Russian language) - ????????? ???????? Nataly - ????? ?? ????????????????
With respect from Russia
Vadim Mogilniy.
My nick on Russian Sound forums - Waso.
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Last edited by waso; 22nd October 2014 at 05:02 PM.
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Old 14th April 2014, 03:34 PM   #2
khalsa is offline khalsa  India
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very nice sir WASO good power
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Old 13th June 2014, 07:09 AM   #3
waso is offline waso  Russian Federation
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More photos...
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File Type: jpg 20140606_134447.jpg (102.4 KB, 456 views)
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File Type: jpg DSCN5542.jpg (160.0 KB, 235 views)
File Type: gif %20_1_~1.GIF (57.4 KB, 273 views)
File Type: jpg DSCN5680.jpg (208.8 KB, 227 views)
File Type: jpg DSCN5681.jpg (235.9 KB, 152 views)

Last edited by waso; 13th June 2014 at 07:12 AM.
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Old 11th August 2014, 11:53 AM   #4
waso is offline waso  Russian Federation
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Final of works
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Old 22nd October 2014, 11:58 AM   #5
waso is offline waso  Russian Federation
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I think, it's no interesting for anybody. Sorry...
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Old 22nd October 2014, 12:10 PM   #6
sajti is offline sajti  Hungary
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Quote:
Originally Posted by waso View Post
I think, it's no interesting for anybody. Sorry...
Hi,

don't be sad. I checked it, and get some idea from Your design

Sajti
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Old 22nd October 2014, 12:11 PM   #7
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Quote:
Originally Posted by waso View Post
I think, it's no interesting for anybody. Sorry...
That isn't truth,from my point of view it's a very interesting project!
If you want to share all files like pcb, construction details e.t.c, i'm sure it is useful to some guys.
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Old 22nd October 2014, 12:28 PM   #8
waso is offline waso  Russian Federation
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Ok.
Last edited versions of files. PCBs are made for single-sided material.
Russian opto-pair AOP124 may be changed with VTL5C2, VTL5C3 with difference of pins. Russian transistor KT815 may be changed with BD139, 2SA1837, ets...
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File Type: jpg j-T4vE0hcHw.jpg (215.4 KB, 151 views)
File Type: jpg VNtzbIX_GeU.jpg (104.3 KB, 143 views)
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File Type: zip PCBs.zip (330.9 KB, 140 views)
File Type: zip Shematics.zip (90.4 KB, 123 views)

Last edited by waso; 22nd October 2014 at 12:40 PM.
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Old 22nd October 2014, 12:46 PM   #9
sajti is offline sajti  Hungary
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Looks nice!

Sajti
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Old 22nd October 2014, 05:09 PM   #10
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Hi Waso
greetings do you have any audio limiter schematic to share
warm regards
Andrew
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