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Old 31st October 2006, 02:43 PM   #1
elnec is offline elnec  India
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Default high power 6 channal amp

hi
i'm building 5.1 surrround sound system using five lm4780 in parallel mode & for sub channal, i need a any amplifier so plz help me plus help me in PSU of this amp

ps: plz give me detail
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Old 31st October 2006, 07:15 PM   #2
Minion is offline Minion  Canada
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Location: Cowican Bay , vancouver island
Hi, i for one don"t understand your question....

Try rephrazeing your question with a LOT more Detail.....


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Old 1st November 2006, 05:55 AM   #3
elnec is offline elnec  India
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my system's spec are
for satalite channels - lm4780 in parallel mode giving 120 w of power(as shown in attachment)
for sub channel - i need a 200w of power (plz avoid use of inductor)

plus i need a PSU for this system

i have 2 way crossover for my system form ESU Pages
Attached Files
File Type: pdf lm4780_sch.pdf (96.2 KB, 99 views)
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Old 1st November 2006, 09:45 AM   #4
Dan2 is offline Dan2  South Africa
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hey, according to the data sheet, input voltage range for the chip is 20 to 84 volts, so a 30-0-30 tranformer will work - it may not give you 120 watts out but it will work.

if you want to check out the data sheet look at:
www.national.com/pf/LM/LM4780.html
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Old 1st November 2006, 10:00 AM   #5
elnec is offline elnec  India
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so what will be the power output
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Old 2nd November 2006, 12:28 PM   #6
elnec is offline elnec  India
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hi
any one out there, plz help me with this amplifier
i.e for Sat. channal over 100 w of power & for sub channal over 200 w of power
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Old 3rd November 2006, 07:51 AM   #7
elnec is offline elnec  India
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Join Date: Mar 2006
hi
any one out there, plz help me with this amplifier
i.e for Sat. channal over 100 w of power & for sub channal over 200 w of power
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