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Old 19th February 2013, 02:17 PM   #141
manojtm is offline manojtm  India
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Hi Raj,

T157-2 i purchased from amidon inc. USA 20pcs @INR-6,050.00

This is the best core suited for AUD600

Regards
MANOJ
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Old 19th February 2013, 02:28 PM   #142
manojtm is offline manojtm  India
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Hi ALL

using T157-2 @40uH coil.Perfect for LF MID & HF crystal clear sound fsw @213KHz, No other noise

Regards
MANOJ
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Old 20th February 2013, 07:04 AM   #143
mrching is offline mrching  Philippines
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hello manojtm what is max rail voltage of this amp?
and what is the max watts this amp can give?
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Old 20th February 2013, 09:43 AM   #144
akraj is offline akraj  Bangladesh
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Hi Manoj:

I have rectified the issue. Beside I tried to include 12V BIAS regulator in the amp board.

Can you please check whether it is okay or not?

Thanks
Raj
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Old 20th February 2013, 10:04 AM   #145
akraj is offline akraj  Bangladesh
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Quote:
Originally Posted by manojtm View Post
Hi Raj,

T157-2 i purchased from amidon inc. USA 20pcs @INR-6,050.00

This is the best core suited for AUD600

Regards
MANOJ
Hi Manoj:

are they fake?

Find All China Products On Sale from Dong Guan Yang Tong electronics CO.,LTD on Aliexpress.com - MICROMETAL IRONG POWED CORE t157-2,T157-2MICROMETAL IRONG POWED CORE Free shipping,Promotion T157-2 Irong ferrite and more

Thanks
Ran
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Old 21st February 2013, 01:26 AM   #146
mrching is offline mrching  Philippines
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i'm not an expert but it looks like fake to me the color is bright red unlike the original color is dark red
my friend already try bright red t-130-2 it heat that cannot touch it when he buy original with color dark red the heating is gone
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Old 21st February 2013, 01:33 AM   #147
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using T157-2 @40uH coil.Perfect for LF MID & HF crystal clear sound fsw @213KHz, No other nois
HAVE you tried any other core the core that detex audio uses
warm regards
andrew lebon
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Old 21st February 2013, 02:04 PM   #148
manojtm is offline manojtm  India
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Quote:
HAVE you tried any other core the core that detex audio uses
warm regards
andrew lebon
Hi andrew,

tested with ETD29 @23turns 1mm gap all,
Result EMI little high, LOW and MID best HF good. full volume(1v1 pp signal) MOSFET little HOT(55degree @30min. test)and coil hot @40degree. +/-75V supply full drive down to +/-73V

tested with 157-2 core @52turns
EMI Very low, LF,MID & HF best @full drive no heat coil and MOSFET 30min test.+/-75V supply full drive down to +/-73.6V

Regards
MANOJ
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Old 21st February 2013, 02:10 PM   #149
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Hi Manojtm
greetings do you have any simple audio limiter circuit in which output voltage can be set
warm regards
andrew lebon
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Old 21st February 2013, 03:01 PM   #150
manojtm is offline manojtm  India
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Quote:
greetings do you have any simple audio limiter circuit in which output voltage can be set
warm regards
Hi andrew,

use this
ucd 25 watts to 1200 watts using 2 mosfets

Regards
MANOJ
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