Yeah, me too.

I've not either. I was reading through (and a big chunk merely browsing through) the diyAudio forum on sureelectronics Tripath board and noted not many T-amp users of our type are modifying their boards yeah? Wonder whether I actually missed out, if there are.

ArjenShenzhen is selling the T-amp boards very cheaply, at €5 each . He also mentioned those fake Audiophiler 2.2uF caps were bought at €0.80 cents per pop.

Jazzy,
I think none of the diyers mentioned that they actually remove the C23 and C24 LPF capacitors from T-amp boards that Arjen sold to them, did I actually missed out?

Justblair could be right in the sense we may not be able to hear much difference after their removal.

What are your thoughts on this?

Good idea and thanks, Xtorm.

Time for me to balik rumah, I'm still in the office now, see ya folks.

Jazzy, thanks for sharing your view.

I found this comment put forward by one of the diyer and wish to share with all: "Arjen's first batch had a (tiny) glitch in the PCB layout that Arjen corrected before dispatch. No real room for improvement there, I fear. The boards are good though. Fun to play with and great value for money. I still have them on the test bench only so no real hardcore comparison possible. But I trust they do as well as the Sure boards." Of course I know it's entirely his view and he may be an enthusiast just like anyone of us here.

Gabanyayaya, Arjen's board is the same board that all of us here are having.

No T-amp session for me today; my 2nd system is in my bedroom and my the other half is already asleep.

I normally work long hours during week days so I could afford to switch off completely for recharging during the weekend.

Still fresh and could absorb some more reading, what about you?

Good morning all.

The picture of the below completely built-up T-amp (TA2024) looks interesting to me; all components using discreet parts such as Dale resistors and capacitors from Siemens, Evox, Vishay and Elna 'S' series electrolytics instead of SMDs. Our T-amp board doesn't allow much upgrade path apart from change in input and PSU capacitors so we could only go for replacement of SMDs with discreet parts as already partly done by Jazzy. The finished product in the picture is only using 220uF 16V Elna 'S' series electrolytic capacitors for PSU section. Sound of the finished product is claimed to be good.

JB has also posted link of our thread in the diyforum meaning what we comment could be read by all, jadi kita seharusnya berkomunikasi di dalam bahasa kita jika tidak mahu apa yang diperkatakan itu difahami oleh pembaca forum dari seluruh dunia.

Xtorm, the volume pot is actually Alps from Japan, the type meant for PCB board mounting instead of its usual box type and definitely better than those RM3 Alpha pots from JP.

The board we're having is meant for SMDs and to replace them with decent grade discreet parts is a little tough for beginners like me.


Ongbs, you're not based in KL and only balik kampung to Ipoh during the weekends?

I've yet to open up my Sansui CDP to find out brand and model of transport mechanism used and snap a picture for you; would do so this weekend.

Yeah, when you come KL, we could yum char together.



This post has been edited by Y.C.: Sep 19 2008, 09:55 AM

Whao, page 73 already? Meaning my add-on comments to Ongbs in my reply to Xtorm have been missed lar?

Ongbs, the T-amp looks interesting, yeah?

Xtorm, agreed on the fakes but when buyers open up the box, they could tell mah, hence you don't see them using Audiophiler m caps in there.

Jazzy,
Agreed, our T-amp is more fun as we could explore and tweak it to our personal taste; completely built-up T-amp is just another piece of hifi gear.
Wow, your work on the T-amp has been recognised and now JB is tapping into your experience.

Xtorm, everything is possible in PRC due to non-existence of moral obligations in people there (generally speaking); therefore avoid PRC products where possible.

Justblair,
I personally don’t think we’re at all upset by you cross-linking the two threads.
It’s just that most of us here actually know each other and at times we tend to joke or rave about equipment other than the T-amp, examples being the Sansui CDP and GlainClone amp (myself being biggest culprit); my cautioning here is to warn fellow LYN forumers that the whole world is reading what we write now, thus to consider doing so in our national language if there’s anything personal which we don’t want others to pick up.

As far as I’m concerned, Jazzy is our T-amp sifu here (and I’ve announced so on numerous occasions); he’s the most suited person among us here to contribute positively to your site. I’m just a hifi chap who is obsessed with good sound and been thoroughly charmed by the T-amp’s sonics. I called it a gem in my own blog, you may read about it here: listening to my T-amp. And with regard to DIYing in electronics, I'm just a newbie.

---

Added on September 19, 2008, 6:47 pm
Jazzy,
Yes, I'm a firm believer of sharing and have always profess that "good things in life are in abundance and meant to be shared"
And you are the most suitable person for the role; we're proud of you.

---

Added on September 19, 2008, 7:02 pm
ekool,
Hello friend, is forum not a place for us to share our thoughts, gather information, seek others' view and inform all what we have done?
These are what we've been doing all these while; we got excited over something which we read / came across and then solicit for others' opinion before we commence our actions mahh!
Or you meant we should just go ahead to remove the C23 and C24 capacitors and after realising their removal is not warranted in the first place, we regret our actions in silence?


This post has been edited by Y.C.: Sep 19 2008, 07:05 PM

Jazzy,
Wow, you're indeed the marathon man with so many positive contributory comments! Enjoying your T-amp session now?
Locally-pressed CDs still sound awful and unlistenable through your patient No. 3?
I'd be keen to find out your opinion of the Vishay 2.2uF vs other input caps after you've installed them.
I'd be back again later, see you around.

Yes, I also agree that the Super T-amp at RM240 which comes with a torroidal transformer is very reasonable.

However, I prefer the Topping TP 10 MkII (Jazzy’s 3rd photo in Post 1455) more, its internal and quality parts used shown in picture of my Post 1436 this morning. It needs to be powered up by an external power supply and our SMPS could be put to use again.

Xtorm, you seemed to know quite a fair bit on the Super T-amp and the 4th order filtering on its output.

Jazzy, your report on increased operating voltage to 13.2V DC would be released this morning?

Ekool, great initiative and nice pictures there; I see your amp’s casing carries its model number too. I’d be more prudent although the T-amp is only RM55 (it may be cheap in price but certainly not in sound). With that, I rest my case.

Whoa, my hats off to you, Ongbs. However, do see my comments above.

Bravo... Yet another no nonsense and straight-to-point report on findings from our T-amp sifu here. :

Xtorm, in term of price, I thought it is more than reasonable after having been exposed to prices of hifi gears from the West all these while. At this juncture, I'm just a little skeptical on quality and grade of PRC parts being used on the board. I may or may not change my mind later.

Jazzy, the model of that RM240 T-amp goes by the name of "Super T-amp".



This post has been edited by Y.C.: Sep 20 2008, 03:10 AM

Hi Grandspy, welcome
Class T amplifiers are amplifiers with Tripath chips that adopts the amplifier topology of Class D.
There're many chips around, namely TA2020, TA2021, TA2022, TA2024,...............
The board we're having uses the TA2024 chip and its power rating is 10W into 4 ohm or 15W into 2 ohm.
And then there are many companies which produce boards with the TA2024 chip.

Jazzy,
Both the two T-amps also come from the same place. Perhaps I'm biased but I tend to have more faith in the Topping TP 10 MkII amp rather than the Super T-amp which uses capacitors with brand of CHiDa and the likes.
We already have our current T-amp boards to play with, might as well get Argen's new boards later on too, how about that?




This post has been edited by Y.C.: Sep 20 2008, 03:34 AM

At price advertised, it comes without the outer casing and torroid transformer.
Those who list products at e-Bay are usually resellers.

You know lah, the country of origin of our T-amp board. And at its price, whatever SMDs they could lay their hands on, mereka pakai tembak sahaja; now that you've completed the SMDs replacement with proper discreet parts of decent grade (well, at least they are Vishay BC capacitors and resistors), I have a dirty feeling that you may find it hard to revert back to your T-amps No. 1 and 2.

Jazzy,
Do you suspect the Vishay 2.2uF capacitors are not actually Vishay capacitors in the first place? How do they sound in comparison to your Elna 2.2uF capacitors?

Okay, my story of how I ended up as seller of Vishay 2.2uF capacitors is as follow:
These capacitors need to be purchased in 5 pieces together at one go.
I was at RS Components on 02.09.2008 and was browsing through their catalogue and found these capacitors. They have been stated in their catalogue as Polypropylene Capacitors and are very suitable for use as coupling or input caps, hence I bought 5 pieces (ex-stock in KL then).

I only need 2 pieces for myself and thus was having 3 additional pieces to dispose off; so my mention in this thread.
They was a tussle for the 3 pieces as I only wanted to sell them off cheaply at RM9.50 each for the first 2 pieces and the 3rd odd piece at RM4.50 (with me paying RM9.30 each for the 2 pieces). I personally felt bad for letting down a friend after failing to supply him the 3 pieces which I had agreed to do so; I ordered another batch from RS Components which by then have sent their remaining stocks to Singapore.

All Vishay 2.2uF capacitors have been fully sold by me at RM8.50 per piece and the last 2 pieces to the friend whom I had let down for failing to suppy him the 3 pieces. I only collected RM7.50 each from him, much lower than what I actually paid to RS Components (I had given him a RM5 change in a single note instead of 3 RM1 notes as I did not have enough RM1 notes with me when we met up).

After having ordered from RS Components, I found out from the Farnell website that these Vishay 2.2uF capacitors are Polyester Capacitors and known as Vishay Roederstein. The RS Components website also state the same and are sold at RM42.10 for 5 pieces.


mysghooi,
Sorry, I no longer have any single piece of Vishay 2.2uF capacitors, not even for my second T-amp board which I'm going to perform the replacement of SMDs with Vishay BC capacitors and resistors like our T-amp sifu, Jazzy.

Good morning, All

Jazzy,
During normal weekends, I seldom log into LYN forum that late (or early). Yesterday was one of the exception; I was at a neighbour’s farewell party (who has taken up an expatriate post at BAT based in the sin city and therefore moving out of the neighbourhood). Liquor was served towards end of the party and after a bottle of supposedly 15 years’ old Macallan whisky (which we suspect could be a fake thingy), the most abled drinker among us (also the most successful chap of the whole lot) was stoned and he ended up pouring out all his unhappiness pent up in him all these while and quarrelled with the wifey. Out of comradeship, we could not bear to leave him in that state, so we stayed back till 3 a.m. after things became more under control.

I managed to goggle this on the 2.2uF Vishay capacitors – a FILM ERO Axial DC, MKT 1813 Polycarbonate wrapped, RO Division of Vishay, >99,9% Sn termination, Standard Part Number-Remark"Lead Free". Vishay Caps, so now they are Polycarbonate Capacitors and no longer Polypropylene nor Polyester ones?
I have always perceive the representation made by Farnell and RS Components as more reliable and willingly pay their more expensive prices than in JP.

Thanks for your quick comment on sonics of these Vishay input capacitors.

Yes, I will start my SMD mod after I received my T-amp boards from Xtorm’s 3rd shipment.

No problem, bro Ongbs. It feels good to clear the air once in a while.