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Old 2nd April 2010, 10:46 AM   #21
sekhar is offline sekhar  India
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wat r the dimension of the pcb and is it a mirror img of the pcb?????????????
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Old 2nd April 2010, 10:50 AM   #22
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Originally Posted by sekhar View Post
wat r the dimension of the pcb and is it a mirror img of the pcb?????????????
simple test: print it on normal paper, take an opamp an test if it aligns if not: try different sizes of prints
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Old 2nd April 2010, 11:01 AM   #23
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Quote:
Originally Posted by sekhar View Post
wat r the dimension of the pcb and is it a mirror img of the pcb?????????????
Go to post #8. On PCB layout always is cooper side.
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Old 2nd April 2010, 11:09 AM   #24
sekhar is offline sekhar  India
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ok got the pcb size thanks ........ neways with wat can i replace MJ15032 it is nt available at my place


regards
sekhar
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Old 2nd April 2010, 11:15 AM   #25
sekhar is offline sekhar  India
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the pin layout of 2sc4793 & 2sa1837 r same with mje15033 & mje15032 but the collector current is a lot less for the 2sc & 2sa series wat would u recommend..............


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sekhar
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Old 2nd April 2010, 11:48 AM   #26
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Originally Posted by sekhar View Post
the pin layout of 2sc4793 & 2sa1837 r same with mje15033 & mje15032 but the collector current is a lot less for the 2sc & 2sa series wat would u recommend..............


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sekhar
2sc4793/2sa1837 can be use for B500.
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Old 2nd April 2010, 03:01 PM   #27
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Aha....one againt.. this amplifier made in Apex....I interested to build it...Thanks alot Apex audio.., you sharing this project....
Regards,
Electra_ina
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Old 4th April 2010, 11:39 AM   #28
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Aha....one againt.. this amplifier made in Apex....I interested to build it...Thanks alot Apex audio.., you sharing this project....
Regards,
Electra_ina
I hope U project will be successful.
Regards
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Old 8th April 2010, 12:34 PM   #29
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apex,
h900 is not for me
thank you for this b500
ir2117 is not yet available in my place
unless a group buy of this ir2117 ,i have no chance of having it
since b500 and h900 parts are almost same,i already buy most of h900 parts available here,i'm glad you share this b500
can you please post b500 psu pcb and schematic
and does protect and soft start of h900 can be used in b500?
thanks
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Old 8th April 2010, 01:45 PM   #30
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Default Apex b500 psu pcb

Protect use from H900.
Attached Images
File Type: jpg APEX B500 PSU PCB.jpg (96.3 KB, 8312 views)
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