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Old 13th September 2010, 05:09 PM   #1
C3PO is offline C3PO  Philippines
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Default 500 watts Class g power amp

hi to all..... can anybody recognize this amp design? i saw this from i think a russian website, i could not understand the language, it looks interesting and uses just ordinary parts... thanks
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Old 15th September 2010, 12:12 PM   #2
teslar is offline teslar  Thailand
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Hi C3PO...
Thank you for share schematic.
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Old 15th September 2010, 02:09 PM   #3
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Originally Posted by teslar View Post
Hi C3PO...
Thank you for share schematic.
hi teslar, if you have any information at this amp design just let me know... thanks
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Old 16th September 2010, 12:57 AM   #4
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sir can u post a link to where u found that amp design???...


tnx
regards

ees
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Old 16th September 2010, 02:07 AM   #5
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Default class g amp

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Originally Posted by eesbiboi View Post
sir can u post a link to where u found that amp design???...


tnx
regards

ees
eesbiboi, if im not mistaken i found this design at 320volt.com, im not sure, because the article is russian, if you are interested building this amp let me know... thanks
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Old 16th September 2010, 04:27 AM   #6
Junm is offline Junm  Philippines
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500 watt bjt anfi devresi mjl1302 mjl3281 - Elektronik Devreler Projeler

It's a turkish site that also several schematics like the Krell KSA Mk2 from this forum.

hi c3p0..from what place in angeles you are located?
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Old 16th September 2010, 03:54 PM   #7
C3PO is offline C3PO  Philippines
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Originally Posted by Junm View Post
500 watt bjt anfi devresi mjl1302 mjl3281 - Elektronik Devreler Projeler

It's a turkish site that also several schematics like the Krell KSA Mk2 from this forum.

hi c3p0..from what place in angeles you are located?
sir junm, sa pandan ako near marisol, but im working in dubai now... thanks for the link, i want to try that amp, i have stocks of transistors here (cheap price electronics keni)
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Old 16th September 2010, 07:31 PM   #8
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Mosfetli quality output amplifier circuit 3 times the output power and the drive times used irfp9240 irfp240 and two op amp circuit is used to drive the circuit in 4558 in times of peace movements do not need to set for
Supply voltage is + - 60 volts and + - 1130 rpm position volt output is also the Source schema and pcb files: 500W-mosfet-amplifier-circuit-irfp240-irfp9240-power-anfisi.rar
CAUTION Be careful when working with high voltage capacitor circuit to make sure the connection / - connect the opposite polarity high voltage circuits large explosions could be insured before you turn the power line, use protective glasses
Author: gevve Date: 7/03/2010 Tags: amplifier circuits, power
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Old 17th September 2010, 03:47 AM   #9
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coolet.. thanks for the info, is that schematic correctly drawn? theres a low value resistor 3.3 ohm 1watt connected from speaker output directly to signal ground ( at the left corner of the schematic) maybe it will blow when driven at high power...thanks
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Old 17th September 2010, 04:15 AM   #10
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can you attach the pcb layout and parts? i can't open it over here. we'll confirm it from that pcb layout.
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