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DIY T-Amp User V2, TA2020 AIR CORES!, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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KenLee
post Sep 11 2009, 08:58 PM

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Very keen to get more info on the complete set, pls check your PM.
kindly leave your contact. Thanks.
chchyong89
post Jan 4 2010, 04:51 PM

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thanks for jazzy's hardwork for the uploaded pdf files wub.gif help me a lot...

user posted image

sound? still burning in, first impression is just the separation is more detail.
jazzy939
post Jan 4 2010, 05:07 PM

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chchyong89,
Whoa! First 2010 posting! This thread almost dead ... laugh.gif

Good to know it helped out.. Good input caps there! thumbup.gif
You'll need at least 20 hours.. come 40 it'll be really good!

Of late I have not been playing via the T-Amp as my source are mp3s, playing thru the T-Amp sounds 'crap' as it's mercilessly accurate.. thats how bad mp3s sounded thru my main system.. tongue.gif

Keep us posted.

p/s Happy New Year to you! biggrin.gif
kww
post Jan 5 2010, 04:19 PM

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chchyong89,
You can try change C18 and 19 to bigger size, that will improve the bass.
You can try different cap material at C14 and 15. From normal plastic to metal foil. The normal one, I like Polypropylene more than Polyester. You can try different size also from 1-5uF. I would say the changes here will give you more obvious result.
There are a few more SMC you haven't change, maybe you should change that as well.
A
chchyong89
post Jan 5 2010, 05:19 PM

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happy new year to you too, jazzy wub.gif

i just tested my TA2024 on my friend's floorstanding yesterday, i never expect this little wonder can crank up the volume so high with bass on it..
p.s. maybe i already driven it more than 8watts tat time. whistling.gif


thanks kww, and much appreciate it, i need bass for my movie too, my father using it to watch movie now, keep complaining no ohmm no ohmmm.. @_@
actually i waiting my resistors to reach also, on the way from farnell thumbup.gif tonight i am going to hunt those things you mentioned from farnell again laugh.gif

happy new year to you too, kww wub.gif

This post has been edited by chchyong89: Jan 5 2010, 05:21 PM
kww
post Jan 5 2010, 06:36 PM

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chchyong89,
I think t-amp more suitable for music than movie.
Beside the components, you need a good power supply, if you want to build your own, 50VA transformer is minimum. If you want to buy ready made you will get the one that can supply 1A minimum. Enjoy your mod, it worth the trouble and give you a lot of fun.

Since it is so cheap, you can have a few boards and test everything you can get your hand on.

Gong Xi Fatt Cai to you.


Added on January 5, 2010, 6:39 pmBy the way, there is already some write-up by the sifus here at the front few pages, read on it and will save you time to test everything.

This post has been edited by kww: Jan 5 2010, 06:39 PM
jazzy939
post Jan 5 2010, 07:50 PM

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A MeanWell SMPS is best suited to power the TA-2024.
Do read the earlier pages.. I am using one so is Y.C. It make much difference in the SQ..! thumbup.gif
zxeen
post Jan 6 2010, 04:07 PM

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hi, just curious. is the t amp bridgeable to provide more oomph? if can how should the connections be? happy.gif
jazzy939
post Jan 6 2010, 06:13 PM

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FYI, they're not for driving headphones or bridgeable as they're bridged internally.
Read the spec. again.

If you want high power, get a different model like TA-2022 or TA-2020..



QUOTE(zxeen @ Jan 6 2010, 04:07 PM)
hi, just curious. is the t amp bridgeable to provide more oomph? if can how should the connections be?  happy.gif
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TSxtorm
post Jan 6 2010, 06:54 PM

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chchyong, nice setup

didnt play muych with my ta2024, didnt have a proper placement for speaker which totally sux, everyting is on my table now, speaker, cd player n laptop....haha

jazzy, yea mp3 sux tro t-amp, it a garbage in garbage out amp.

anyway very rude of me not to do this ealier, but better late then never!!

HAPPY NEW YEAR to all
jazzy939
post Jan 6 2010, 07:16 PM

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xtorm,
good to know that you're still 'alive' laugh.gif
Better late than never lah... wink.gif
Happy New Year to you too! biggrin.gif

toda6866
post Jan 8 2010, 09:22 AM

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Happy New Year everyone!

I've overlooked this topic until recently

however, I got more confused after reading many pages of this T-amp (over 100++ pages i cant read all yet)....

bcoz, I've been told umpteen times i will need lots of power to drive powerful speakers, even 100W 8ohms is not alot nowadays n is required to drive speakers at a 'comfortable' level - ie. good control...

but u guys here seemed all satisfied enough with ta2020 driving it? really jz by the T-amp alone or u add in some power amp or something modded?

sorry im really keen to learn so my question maybe a bit bold icon_question.gif


cheers n happy listening cool.gif
jazzy939
post Jan 8 2010, 09:59 AM

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toda,
Welcome to the T class amplification! biggrin.gif

Good effort trying to read 100s of pages and at the same time trying to digest and comprehend what is being said and done.. a daunting task I'd say!

Here's the gee's..

The speakers need to be a high efficiency one, at least producing 86dB/W/m.
The Tripath T-Amp is running at around 86% efficiency.. running at full power the chip is cool to the touch!
You don't drive your speaker at full power all the time, right? I'd say I'm using around 3W to drive my 100W speakers comfortably to enjoy the music.. This is with reference to TA-2024(an 8 watter)
If you want higher power, by all means use the TA-2020 with similar performance! thumbup.gif

The T-Amp is the standalone power amp. You can add a potentiometer for a simple passive preamp or go overboard with any passive or active preamp.. with excellent results of course! The choice is yours!

Your questions are valid.. please feel free to ask!.. wink.gif






QUOTE(toda6866 @ Jan 8 2010, 09:22 AM)
Happy New Year everyone!

I've overlooked this topic until recently

however, I got more confused after reading many pages of this T-amp (over 100++ pages i cant read all yet)....

bcoz, I've been told umpteen times i will need lots of power to drive powerful speakers, even 100W 8ohms is not alot nowadays n is required to drive speakers at a 'comfortable' level - ie. good control...

but u guys here seemed all satisfied enough with ta2020 driving it? really jz by the T-amp alone or u add in some power amp or something modded?

sorry im really keen to learn so my question maybe a bit bold  icon_question.gif
cheers n happy listening cool.gif
*
chchyong89
post Jan 10 2010, 09:23 PM

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at last, i manage to fully changed all the smd caps and resistors, now hunting for beautiful gold case mount banana and rca female jacks, but sadly i cant go JP which is too far away from here, anyone have extra? wub.gif
toda6866
post Jan 11 2010, 09:48 AM

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QUOTE(jazzy939 @ Jan 8 2010, 09:59 AM)
toda,
Welcome to the T class amplification!  biggrin.gif

Good effort trying to read 100s of pages and at the same time trying to digest and comprehend what is being said and done.. a daunting task I'd say!

Here's the gee's..

The speakers need to be a high efficiency one, at least producing 86dB/W/m.
The Tripath T-Amp is running at around 86% efficiency.. running at full power the chip is cool to the touch!
You don't drive your speaker at full power all the time, right? I'd say I'm using around 3W to drive my 100W speakers comfortably to enjoy the music.. This is with reference to TA-2024(an 8 watter)
If you want higher power, by all means use the TA-2020 with similar performance!  thumbup.gif

The T-Amp is the standalone power amp. You can add a potentiometer for a simple passive preamp or go overboard with any passive or active preamp.. with excellent results of course! The choice is yours!

Your questions are valid.. please feel free to ask!.. wink.gif
*
hey there, nice 2 c u again!

ok since u give me the green light.....here goes laugh.gif

1. ta2020 is a 2x 25W 4ohm output right? do i need a converter or do something before pairing it with my speakers?

2. im getting new speakers soon, should i get speakers 1st or wait till i get my T amp all done then carry the amp to audition the speakers b4 i make final decision? is this very kiasu? hahah

3. how long does it take for me to complete DIY a ta2020?

4. is Jln pasar the best place to hunt for components to complete ta2020? im from PJ


thanks alot in advance! thumbup.gif
chchyong89
post Jan 11 2010, 09:57 AM

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QUOTE(toda6866 @ Jan 11 2010, 09:48 AM)
hey there, nice 2 c u again!

ok since u give me the green light.....here goes  laugh.gif

1. ta2020 is a 2x 25W 4ohm output right? do i need a converter or do something before pairing it with my speakers?

2. im getting new speakers soon, should i get speakers 1st or wait till i get my T amp all done then carry the amp to audition the speakers b4 i make final decision? is this very kiasu? hahah

3. how long does it take for me to complete DIY a ta2020?

4. is Jln pasar the best place to hunt for components to complete ta2020? im from PJ
thanks alot in advance!  thumbup.gif
*
TA2020 here is ready to drive any speaker, you just need a power supply.
toda6866
post Jan 11 2010, 10:10 AM

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QUOTE(chchyong89 @ Jan 11 2010, 09:57 AM)
TA2020 here is ready to drive any speaker, you just need a power supply.
*
sorry forgot to specify, speakers are 8ohms....most probably getting Mordaunt-Short FS speaker
Najmods
post Jan 11 2010, 10:34 AM

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QUOTE(toda6866 @ Jan 11 2010, 10:10 AM)
sorry forgot to specify, speakers are 8ohms....most probably getting Mordaunt-Short FS speaker
*
It could drive up to 8 ohms, read the datasheet.

How long to build one depends on you. I don't think it would take up to 2 hours, just a few minutes drilling on the box to make proper speaker terminal and minor soldering on input jack, speaker terminal to the board etc.

Yes JP is a good place to look for components, but do browse around for power supplies as some shops sells them at a premium while some sells it cheap even though it have same brand and exactly the same model
chchyong89
post Jan 11 2010, 11:43 AM

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done playing with ta2024, now i am seeking for one ta2020 too before CNY, hope xtorm have ready stock for it^_^
Want to ask, is NIXIE selling TA2020 unit same as xtorm one? so i still manage to grab one unit if xtorm dont have ready stock for this amplifier.
jazzy939
post Jan 11 2010, 12:26 PM

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NIXIE is selling at RM109 if I am not mistaken. xtorm is waiting for MOQ 5 now he has only 2 I think.
I thought of getting one but I already have 5 TA2024! tongue.gif

Don't need the extra power although the TA-2020 offers added refinement!..


QUOTE(chchyong89 @ Jan 11 2010, 11:43 AM)
done playing with ta2024, now i am seeking for one ta2020 too before CNY, hope xtorm have ready stock for it^_^
Want to ask, is NIXIE selling TA2020 unit same as xtorm one? so i still manage to grab one unit if xtorm dont have ready stock for this amplifier.
*

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