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DIY T-Amp user/diyer come here :), TA2024 complete build board diy

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gabanyayaya
post Aug 15 2008, 07:57 PM

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jazzy how's your power supply configuration???? I mean how does the power supply circuit looks like? I though T-amp uses 12V PSU???? and did you snubbed it or what ever you could call it???? hmm.gif
gabanyayaya
post Aug 16 2008, 04:43 PM

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some how I'm in the corner between gainclone and tripath.....which choice should I choose....??? hmm.gif
gabanyayaya
post Aug 16 2008, 06:41 PM

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but using the battery i think you have to design somehow the recharging mechanism so it will be ease every time need to recharge the battery......and more convenient just like wed wine audio does.....and much more boutique looked alike.... smile.gif

a clean power for you amp....vroooooommmmm ph34r.gif


12V how long can last ??????

This post has been edited by gabanyayaya: Aug 16 2008, 06:43 PM
gabanyayaya
post Aug 16 2008, 06:58 PM

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QUOTE(March05 @ Aug 16 2008, 07:50 PM)
Isn't it a simple thing to have two batteries, and swap them over when the one in use starts to run down? To me, adding a charger into the system runs the risk of adding noise into the power supply.....back to square one.
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separate also can but you need to build another casing...you can't just connect it using a wire between a battery and the amp...that's just look so awful and you have made a fashion crime.....LOL....

i think the charger circuit is just simple as it can be....and if noise is an issue here just wraps it with foil....btw i heard make sure wire between power and signal is isolated firmly so they will be no interferences IMHO...

gabanyayaya
post Aug 16 2008, 07:02 PM

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QUOTE(jazzy939 @ Aug 16 2008, 08:01 PM)
This is one of a simple SLA charging circuit..  brows.gif
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can you make one in 15 minutes?

gabanyayaya
post Aug 16 2008, 07:24 PM

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QUOTE(jazzy939 @ Aug 16 2008, 08:09 PM)
Definitely not! tongue.gif
If I have all the parts.. 17 minutes, maybe!  brows.gif

This one may...  biggrin.gif
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hehehe...that's jazzy....


QUOTE(March05 @ Aug 16 2008, 08:14 PM)
There is something about that logic of having an integrated charger that troubles me....if the battery runs down while you are in the midst of a nice jazz session, then you'll have to stop for an hour to recharge it, by which time the magic is broken..... whereas a spare battery is only a simple few seconds swap, and you continue merrily.

SLAs are ubiquitous items nowadays....the 7 amphours ones are going for around RM40 (local made?) - RM90 (good Japanese branded) in JP. DIN55 for your car....the maintenance free type, maybe RM400...(argggg--toothache).  laugh.gif

gabanyayaya, I'm sure you can make a beautiful casing which can be opened easily, right? Even an undressed SLA can be hidden somewhere with just a gold plated (if you really want fashionable ones) cable leading to it.
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yes....can also but we have a philosophy here....KIS and my philosophy is Keep it Cheap - KIP.... smile.gif cheap cheap cheap...

gabanyayaya
post Aug 18 2008, 01:12 AM

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jazzy how many watt this thing produce....???? 10...??? you're playing it with the TDL....90dB
gabanyayaya
post Aug 18 2008, 01:44 AM

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QUOTE(jazzy939 @ Aug 18 2008, 02:26 AM)
6W at 0.1% THD!
Yes! Playing using my TDL's RTL3  tongue.gif

A puny lil thing driving a huge monster!  brows.gif

Just completed Diana Krall's Boulevard of Broken Dreams.
Although the SMPS drove the TA2024 well, it lost to linear PSU in terms of resolution..
Meaning, the differences between vocals, instruments etc is more distinct with linear PSU than SMPS..
I bet using toroids would push the fidelity further.. damn!  doh.gif

Take note I have not replace any other capacitor onboard other than the input caps.
Have to check out how the DIN55 batery will perform. Definitely not tonite! This morning rather! wink.gif
Heyy you're sleeping late! tongue.gif
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bed???.....I'm going to now......i'm sticking a Cellophane Tape on my eye.... happy.gif
gabanyayaya
post Aug 18 2008, 07:58 PM

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jazzy during operation between your 'two patient' you've change different capacitor to experiment the sq....can you tell me what factors that need to consider when changing caps???? value...type brand.....and different characteristic between each mF value???
gabanyayaya
post Aug 18 2008, 10:28 PM

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QUOTE(Najmods @ Aug 18 2008, 09:32 PM)
What jazzy change is the input caps. For input caps generally there is few things that should be considered:

1) Its best to use non-polar caps, or better non electrolytic caps. It is best to use non polar caps here if its electrolytic, and best to use non electrolytic (film caps, like polypropylene, polyester, or its metallised variant) but there is some good electrolytic caps like non polar Rubycon Blackgate NX HQ that is suitable for circuit that carrying audio (like input caps)

2) The capacitance: Best to stick with stock value, but if you want more bass, try a higher capacitance. Like jazzy change to 10uF from stock 2uF, it improves bass response considerably

That is based on my experience and my knowledge. Perhaps a more veteran and hardcore modder like empire23, LittleGhost or Ijan can give more info regarding this smile.gif
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muchas gracias sanyor....maybe uncle jazzy wanto to add more here smile.gif

This post has been edited by gabanyayaya: Aug 18 2008, 10:29 PM
gabanyayaya
post Aug 19 2008, 07:40 PM

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OMG....there's a Tripath groupie building its territory here........


guys...you think you can make a homemade toroidal tranny here...???? hmm.gif
gabanyayaya
post Aug 20 2008, 09:17 PM

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QUOTE(jazzy939 @ Aug 20 2008, 06:29 PM)
Found this MONO class D module over the internet with the following spec.:

300W@8Ω

THD+N: 0.05%

SNR: 100dB

BW: 20Hz~45kHz@10W

η:92%@8Ω;88%@4Ω

Over load protect

Offset adjustable

Soft start 

Ada orang minat?  laugh.gif

Minimum power for a stereo module is 200W@8Ω!  tongue.gif

No price was quoted/given...
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Tempted and drooling.... drool.gif drool.gif drool.gif jazzy, you think this could be a good audiophile sounding kit or just excessive of useless power???? What Tripath chip it based on? Price????

BTW jazzy is is possible for you to look for me a set of 20μF Polypropylene Capacitors in JP? Any ideas how this will cost???

gabanyayaya
post Aug 21 2008, 08:03 PM

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QUOTE(jazzy939 @ Aug 21 2008, 05:24 PM)
Y.C.,
I whole heartedly agree with your statement! The bolded one!  biggrin.gif
My pre T-Amp setup is based on a 90W RMS/Channel, Class AA amplification. Imagine how sceptical I was on a tiny Class D 6 watter!  laugh.gif
The T-Amp phenomena did not change the whole hifi industry overnight and make other classes of amplication obsolete, it just give a new insights with regards to the performance of class D or in the case of Tripath, Class T.

Personally, I am here for the music! biggrin.gif
We want the 'best' for minimum RM, always on the look out for best value for money stuffs and it so happened TA2024 came calling in tongue.gif

At the end of the day, what matter most is (at least to me!), if it makes us enjoy the music like we want to.. so be it! It doesn't matter if it's a RM55 6Watts amp..  laugh.gif
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jazzy with a good philosophy....KIC KIC KIC.....RM36 for a 20uF......!!! I'll pass.....I think can get from online slightly cheaper than that thanks.... for what????....hehe another mod..... smile.gif

jazzy your killing me here....if the Class D that you try to get is around my budget I think I might suspend my Gainclone project here....updates updates....

gabanyayaya
post Aug 21 2008, 09:32 PM

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QUOTE(jazzy939 @ Aug 21 2008, 09:58 PM)
gabanyayaya,
The anticipated reply from that Class D amp supplier did not arrived. sad.gif
My GainClone project still KIV.. am NOT giving up hope yet.
I don't really want to pit the T-Amp with the GC. Eventhough they are chip amp but they are from different breed altogether, unless the GC is also a Class D, you know what I mean?  laugh.gif I am not throwing out D'Bom either!  brows.gif
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D'Bom...sounds familiar.....last time when i'm considering a class d amp from hypex it cost almost the total of my hifi system and i have to leave it for good...now when you mention this amp kit, it really put me in a mood again for another journey...will you able to bring this to a reality jazzy...??? sure ke belum giving up????? bole dapat harga bagus ka??? well i think the supplier will respond la but takes time....2...3 day more....be patient la uncle
gabanyayaya
post Aug 21 2008, 10:15 PM

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QUOTE(jazzy939 @ Aug 21 2008, 10:42 PM)
gabanyayaya,
if you were asked to pick between the T-Amp and GC what would be your choice? Tough one, huh? What about D'Bom thrown in for good measure? laugh.gif

I found out from another thread that the so called supplier that I was communicating with was the designer of the amp himself!  tongue.gif
He must be busy, I'll give him some time to respond... no big deal here.. It is just an option. biggrin.gif
I am not into the 300W per channel thing, only curious how would another Class D amp would sound like using Tripath's TA2024 as the reference.  brows.gif

I can't really say whats going to happen. All pending to the $$$. Remember, we're looking for value for money stuffs or best bang per buck. It MAY be affordable.. I am worry about additional costs like shipping etc...
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hey jazzy....don't put D'Bom into the lines la....just let it be as it was.....a ref. besides your Technics...can't put it to the same league as others....

between GC and T-amp......hmmmmm my last visit to diyparadise Charlize last AV show...I found that the sounds of Charlize a bit 'backwards' with their full range horns......i don't know why but i wasn't impress. maybe my ear or something else. but I think SQ vary between different T-amp designs. GC...got no idea how does it sounds....... hmm.gif

Like me too.... I'm not after at those heavy monster wattage power lah.....me just like a moderate 40-60W amp. The most important is the dynamics it can produce out of those tiny wattage power to my speaker that counts...

Carefull curiosity will lead you to overkill...hehehe

As for shipping I guess won't cost a fortune ler........once can bulk you save more, besides look at LY bulk section, there's many people willing to help... brows.gif Lets poison poison here... biggrin.gif

This post has been edited by gabanyayaya: Aug 21 2008, 10:16 PM
gabanyayaya
post Aug 21 2008, 10:49 PM

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QUOTE(jazzy939 @ Aug 21 2008, 11:28 PM)
Fair enough!  tongue.gif

Expectations can actually change perceptions  laugh.gif

HiFi is very personal.. it shouldn't matter what others say right? wink.gif

Yes.. I do not expect the shipping to be that high, after all its a small 'package'..

We'l have to wait and hope for the best...

I'll spin 'The Best Is Yet To Come' in the mean time... still 'burn in' the T-Amp..  whistling.gif
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Want to try some acoustic sounds...??? just loose that Diana Krall for a while lah.....

Jazzy would it be costly too for other extra part for the class D like PSU, tranny, plug... etc???

gabanyayaya
post Aug 21 2008, 11:16 PM

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QUOTE(jazzy939 @ Aug 22 2008, 12:08 AM)
I have read this somewhere and I tend to agree..
playing the T-Amp especially in the office will not get your work done tongue.gif

Again, like any good amp design, a good power supply would help or made (some) difference!, eventhough the Class D amp are not that 'choosy'.. linear or not, SMPD, batteries, anything goes! biggrin.gif

So for a 'normal' no frills 12VDC 3A regulated PSU would costs around RM50-60, inclusive of other minimal hardware requirements.

Is this 'too much' to pay?  whistling.gif
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As long as the amp it self doesn't cost such ridiculous amount i guess nahh...but....casing must be good. I like a unique casing....any ideas/lobangs?
gabanyayaya
post Aug 21 2008, 11:41 PM

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QUOTE(jazzy939 @ Aug 22 2008, 12:28 AM)
Again, this is very subjective!  laugh.gif

Heyy, me too! Anyway, I am about to get a quote for this type of casing tomorrow.. wink.gif
What you think? Or you have a particular style in mind, why not share it here?  nod.gif
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anything shiny and glittering is EXPEN$IVE.....that casing looks very overkill kill kill....

how about this one

user posted image

user posted image

user posted image




gabanyayaya
post Aug 21 2008, 11:49 PM

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QUOTE(jazzy939 @ Aug 22 2008, 12:45 AM)
This is even worst! = more expensive!  tongue.gif
I see lotsa machined aluminium alloy!  shakehead.gif

The casing that I like will only require a 'flash chrome' plating and a good fine metal polish.. wink.gif

Wonder why we are the only two 'chatting' here..  hmm.gif
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for me it sounds expensive......how much it cost jazzy (agak-agak)? hmm.gif

gabanyayaya
post Aug 22 2008, 12:02 AM

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QUOTE(jazzy939 @ Aug 22 2008, 01:01 AM)
I'd say it will 'look' expensive wink.gif It's just a 'flash chrome' plating, followed by fine metal polishing, buffing.

I have this spare PSU casing, if you're on a tight budget, it will suffice. However the PSU will be on a separate similar housing. Certainly would look nice, side by side.. wink.gif
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jazzy bro when can private audition??? biggrin.gif biggrin.gif biggrin.gif biggrin.gif tongue.gif

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