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Old 29th November 2010, 05:23 AM   #981
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Quote:
Originally Posted by sekhar View Post
so workhorse how much power do u think 12pairs of 2sc5200/1943 with rail voltage of +-140 and a 2 step driver will produce safetly


regards
sekhar
Keeping in view the rail sag if not more than 10Volts and losses in switch and transistors you can easily get 3KW @ 2ohms safe and easy on music + reactive loading.
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Old 29th November 2010, 10:03 AM   #982
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Quote:
Originally Posted by thunderjets View Post
Hi Mr. Mile

i have built B500 in bridge mode, i use 1800va transformer ,rail voltage 63+/- vdc(45ct45) . caps 6 x 10.000/100vdc. are those caps enaugh for this ?
Nice work, 6x10000uF is enaugh but this is minimum.
Regards
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Old 29th November 2010, 11:26 AM   #983
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many thanks for your concern about my project mr. Mile
regards
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Old 29th November 2010, 01:20 PM   #984
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many thanks for your concern about my project mr. Mile
regards
What protect circuit you use?
Regards
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Old 29th November 2010, 04:24 PM   #985
sekhar is offline sekhar  India
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Default SUGGESTIONS ON B500 12 O/P PAIR BOARD

so here is the pcb with 12 o/p pairs ................ Miles can U plz check it ......... it does nt incorporate the protection transistor part ....... i will include it in the driver board ...... this pcb is just for checking and commenting purpose .......changes will be made as suggested....
Miles please take the lead and guide us.....

regards
sekhar
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Old 29th November 2010, 11:36 PM   #986
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Default workhorse

Quote:
Originally Posted by Workhorse View Post
Keeping in view the rail sag if not more than 10Volts and losses in switch and transistors you can easily get 3KW @ 2ohms safe and easy on music + reactive loading.
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Old 29th November 2010, 11:42 PM   #987
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speaker wiring practice,
Speaker Wiring Info
suppose a 3kw @ 2r achieve,
according to this site paralleling 4 1kw @ 8r will give 4kw@2R load?
or in simple manner question as per 3kw@2R
how many 1000w @ 8R can this amp go?
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Old 29th November 2010, 11:46 PM   #988
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HI APEXAUDIO
greetings now that driver stage has 12 output pairs can vertex
3 step supply be used with this amplifier more power and effiency
thanking you
andrew lebon
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Old 30th November 2010, 06:15 PM   #989
sekhar is offline sekhar  India
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hey wat happened no body liked the pcb with 12 o/pairs .................. no comments no suggession wat happened................


regards
sekhar
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Old 30th November 2010, 06:26 PM   #990
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sekhar,
where is the driver board?
is the output pcb final?better make component lay out,or else we will put all 5200's there(only joking)
did you use 5200/1943 instead mje's
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