Another Tripath Amplifier from China

rhing · 28th July 2008, 07:50 PM

Has anyone seen or tried one of these:

eBay: T-AMP Digital Amplifiers HI-END TA2024

The board looks to have some implementations of ideas from the Sure Electronics T-amp board thread: DC bias pot, thru-hole mounted input cap, one power cap per channel, etc.

Davet · 29th July 2008, 04:30 AM

This particular T-Amp doesn't seem to have a volume control. You will either have to use a preamplifier or a passive linestage. Otherwise it "looks like" a keeper.

Lostcause · 29th July 2008, 07:33 AM

Now this one really does look like the Tripath Evaluation board !
It even has the screen print of the Logo

ElFishi · 29th July 2008, 09:38 AM

not quite.
http://www.datasheetcatalog.org/data...th/mXwtryv.pdf

Lostcause · 29th July 2008, 09:53 AM

OK, it's not identical, they introduced the DC null circuit but come on... it's pretty damn close @ the output

And with a SMPS thrown in with cabling.... it's pretty good value!!

ElFishi · 29th July 2008, 11:27 AM

Okok,

gnd-rail, tank-caps and inductors, diodes, mute & sleep jumpers are placed quite the same way as in the EB.
Input is different: DC trimmers, as mentioned coupling caps in nice thru-holes.
What are the black thingies btn the input sockets and the coupling caps?

theAnonymous1 · 29th July 2008, 12:29 PM

Quote:

Originally posted by ElFishi
What are the black thingies btn the input sockets and the coupling caps?

Ferrite beads that the input signals pass through.

TheDealer · 29th July 2008, 02:04 PM

Hi Folks,

look what I have found else in their ebay-shop:
http://cgi.ebay.com/YULONG-T-AMP-Dig...QQcmdZViewItem

This one I was interested in before and a real bargain for the price I think..
I was told that Yulong was run out of production and the following
Poppulse substitues the serial. But these are much different amps.
Different Chips, , different designs, different output power.

What do you think comparing these ones ?
The small box for 30 USD with the Yulong. Eventually comparing both
with the Poppulse ??

ElFishi · 29th July 2008, 03:39 PM

mind the shipping costs

Livin · 29th July 2008, 03:45 PM

anyone used one of these eBay $20-$30 amps from China?

I'm thinking it should be fine for ceiling speakers.... wish there was a volume control.

Sonic Impact amps are way overpriced on ebay now... it is crazy!

28th July 2008, 07:50 PM	#1
rhing diyAudio Member Join Date: Jun 2007 Location: Bay Area, California	Another Tripath Amplifier from China Has anyone seen or tried one of these: eBay: T-AMP Digital Amplifiers HI-END TA2024 The board looks to have some implementations of ideas from the Sure Electronics T-amp board thread: DC bias pot, thru-hole mounted input cap, one power cap per channel, etc. __________________ Rich

29th July 2008, 04:30 AM	#2
Davet diyAudio Member Join Date: Mar 2004 Location: Reston, Virginia (surburb of Wash, DC)	This particular T-Amp doesn't seem to have a volume control. You will either have to use a preamplifier or a passive linestage. Otherwise it "looks like" a keeper. __________________ Davet

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29th July 2008, 07:33 AM	#3
Lostcause diyAudio Member Join Date: Aug 2005 Location: NW UK	Now this one really does look like the Tripath Evaluation board ! It even has the screen print of the Logo

29th July 2008, 09:38 AM	#4
ElFishi diyAudio Member Join Date: May 2008	not quite. http://www.datasheetcatalog.org/data...th/mXwtryv.pdf

29th July 2008, 09:53 AM	#5
Lostcause diyAudio Member Join Date: Aug 2005 Location: NW UK	OK, it's not identical, they introduced the DC null circuit but come on... it's pretty damn close @ the output And with a SMPS thrown in with cabling.... it's pretty good value!!

29th July 2008, 11:27 AM	#6
ElFishi diyAudio Member Join Date: May 2008	Okok, gnd-rail, tank-caps and inductors, diodes, mute & sleep jumpers are placed quite the same way as in the EB. Input is different: DC trimmers, as mentioned coupling caps in nice thru-holes. What are the black thingies btn the input sockets and the coupling caps?

29th July 2008, 02:04 PM	#8
TheDealer diyAudio Member Join Date: Apr 2008	Hi Folks, look what I have found else in their ebay-shop: http://cgi.ebay.com/YULONG-T-AMP-Dig...QQcmdZViewItem This one I was interested in before and a real bargain for the price I think.. I was told that Yulong was run out of production and the following Poppulse substitues the serial. But these are much different amps. Different Chips, , different designs, different output power. What do you think comparing these ones ? The small box for 30 USD with the Yulong. Eventually comparing both with the Poppulse ??

29th July 2008, 03:39 PM	#9
ElFishi diyAudio Member Join Date: May 2008	mind the shipping costs

29th July 2008, 03:45 PM	#10
Livin diyAudio Member Join Date: Jun 2007	anyone used one of these eBay $20-$30 amps from China? I'm thinking it should be fine for ceiling speakers.... wish there was a volume control. Sonic Impact amps are way overpriced on ebay now... it is crazy!

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