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20th February 2013, 10:04 AM
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#145 | |
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diyAudio Member
Join Date: Nov 2010
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Quote:
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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21st February 2013, 01:26 AM
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#146 |
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diyAudio Member
Join Date: Jan 2011
Location: butuan city ph.
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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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21st February 2013, 01:33 AM
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#147 |
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diyAudio Member
Join Date: Feb 2008
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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
__________________
[image]  [/image]"It's Better to try and fail than to never know and always wonder"
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21st February 2013, 02:04 PM
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#148 | |
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diyAudio Member
Join Date: Aug 2008
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Quote:
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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21st February 2013, 02:10 PM
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#149 |
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diyAudio Member
Join Date: Feb 2008
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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
__________________
[image] [/image]"It's Better to try and fail than to never know and always wonder"
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21st February 2013, 03:01 PM
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#150 | |
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diyAudio Member
Join Date: Aug 2008
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Quote:
use this ucd 25 watts to 1200 watts using 2 mosfets Regards MANOJ |
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