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Old 28th November 2012, 09:17 PM   #2971
stewin is offline stewin  Kenya
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Quote:
Originally Posted by Hadighorbani View Post
thanks sir manoj
i need a preamp for your amp
do you have any sugestion ?
i need to reduce noise in your amp
thanks
High Quality Audio Preamp

Hi-Fi Preamplifier

Subsonic / Rumble Filter for Phono preamps and Sub-Woofers

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Old 28th November 2012, 09:25 PM   #2972
stewin is offline stewin  Kenya
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hi all

those who are experts in irs900d. is this the correct version ? and which resistor can one adjust the switching frequency?
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Old 29th November 2012, 02:43 AM   #2973
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thanks
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Old 29th November 2012, 05:50 AM   #2974
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Location: chennai
Default ir2184 class d amp

hi to all,
Greetings,

any one try lm311 ,ir2184 class d amp schematic, if try how is work.
ir2184 is not available so any possible to change ir2184 to ir2111.
Thanks in advance.
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Old 29th November 2012, 06:53 AM   #2975
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Quote:
Originally Posted by kirubakaran View Post
hi to all,
Greetings,

any one try lm311 ,ir2184 class d amp schematic, if try how is work.
ir2184 is not available so any possible to change ir2184 to ir2111.
Thanks in advance.
i used lm311 and ir2110....and response is quite good enough..
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Old 29th November 2012, 12:07 PM   #2976
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Default hi sweet

Quote:
Originally Posted by sweetperfume View Post
i used lm311 and ir2110....and response is quite good enough..
ir2110 schematic is large size its suitable for high watts but i want 300 to 400 watts for my 12" single sub woofer with compact size and low cost so i will try ir2184.
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Old 29th November 2012, 01:50 PM   #2977
manojtm is offline manojtm  India
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Quote:
i need to reduce noise in your amp
Hi Hadi

is that any noise coming AUD600 amp????

what noise , hisssss or hum

Regards
MANOJ
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Old 29th November 2012, 01:52 PM   #2978
manojtm is offline manojtm  India
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Quote:
those who are experts in irs900d. is this the correct version ? and which resistor can one adjust the switching frequency?
Hi stewin,

it is 1k resistor connected between two 1nf capacitor(near TL071) to GND

Regards
MANOJ
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Old 29th November 2012, 01:56 PM   #2979
manojtm is offline manojtm  India
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Quote:
any one try lm311 ,ir2184 class d amp schematic, if try how is work.
ir2184 is not available so any possible to change ir2184 to ir2111.
Thanks in advance
Hi kirubakaran,

non UCD type will give you sound better in high and low freq. compare with UCD one

Regards
MANOJ
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Old 30th November 2012, 08:49 AM   #2980
stewin is offline stewin  Kenya
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Quote:
Originally Posted by manojtm View Post
Hi stewin,

it is 1k resistor connected between two 1nf capacitor(near TL071) to GND

Regards
MANOJ
thanks . what is the switching frequency?
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