Got my Parts-Express DTA-100 Amp Today

stokessd · 26th March 2010, 10:21 PM

I just got the little 50wpc (30wpc) amp delivered. The amp is here:
Parts-Express.com

ayton DTA-100 Class-T Digital Amplifier

I can't leave well enough alone and had to take it apart to look inside. Not overly impressive...

I've got it plugged in and playing, and honestly given about one minute of break-in and warmup, it doesn't sound too bad. I've got a 41Hz amp5 and an amp6 as my comparison points for this amp.

Here's some pics for the voyeuristic folks.

Sheldon

zog666 · 28th March 2010, 12:21 PM

looks like they are still sorting a few things out in the factory?

wwenze · 28th March 2010, 12:39 PM

Arrrr........

Some things were better left not looked at.

Andrew Eckhardt · 28th March 2010, 01:48 PM

You can take pride in knowing that you got one of the late protos.

onis_uk · 28th March 2010, 03:02 PM

what can i say.... it looks better with the case on ...lol

rickedd46 · 21st June 2010, 11:48 PM

I would definitely not spend my money on this amp. Looks like is badly put together.

I'd rather get a naked sure electronics or connexelectronics board for a lot less money.

One can actually get 2 sure elec 4x100 boards for the price of this amplifier and build a killer surround sound set up.

J.R.Freeman · 22nd June 2010, 02:09 AM

An interesting little amplifier, it's a shame that it has some questionable re-work anomalies. It might be alright, but long-term vibration exposure may see to its failure prematurely. Parts Express is a good company - maybe the will help you out if you send them these pictures. They might exchange it for a better example.

Jim

tb2496 · 1st July 2010, 10:05 AM

I just received my amp today and noticed that there is a problem with left/right balance. when the volume is low the left channel is louder then right. this seems to improve as the volume is raised, giving a normal balance when its about half ways. I tried changing speakers around, also the input which didnt change anything so it must be the potentiometer. same result on headphones and speakers... can someone confirm that their unit is working well?

audiowize · 2nd July 2010, 08:41 PM

That channel imbalance is likely the result of a low quality volume pot. You can pad the inputs to relieve this difference, or use a source with less output voltage.

cappleton · 3rd July 2010, 02:50 AM

I received a DTA-100 that had a 4decibel difference, left channel louder at moderate levels. Sent it back and got a replacement that i definately louder at low levels but a bit better at moderate levels (2decibels). Frustrating.

26th March 2010, 10:21 PM	#1
stokessd diyAudio Member Join Date: Nov 2002 Location: Fort Wayne, IN	Got my Parts-Express DTA-100 Amp Today I just got the little 50wpc (30wpc) amp delivered. The amp is here: Parts-Express.comayton DTA-100 Class-T Digital Amplifier I can't leave well enough alone and had to take it apart to look inside. Not overly impressive... I've got it plugged in and playing, and honestly given about one minute of break-in and warmup, it doesn't sound too bad. I've got a 41Hz amp5 and an amp6 as my comparison points for this amp. Here's some pics for the voyeuristic folks. Sheldon

3rd July 2010, 02:50 AM	#10
cappleton diyAudio Member Join Date: Jan 2007	Dta-100 I received a DTA-100 that had a 4decibel difference, left channel louder at moderate levels. Sent it back and got a replacement that i definately louder at low levels but a bit better at moderate levels (2decibels). Frustrating.

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28th March 2010, 12:21 PM	#2
zog666 diyAudio Member Join Date: May 2009	looks like they are still sorting a few things out in the factory?

28th March 2010, 12:39 PM	#3
wwenze diyAudio Member Join Date: Mar 2008	Arrrr........ Some things were better left not looked at.

28th March 2010, 01:48 PM	#4
Andrew Eckhardt diyAudio Member Join Date: Nov 2005 Location: PA	You can take pride in knowing that you got one of the late protos.

28th March 2010, 03:02 PM	#5
onis_uk diyAudio Member Join Date: Jul 2004 Location: uk	what can i say.... it looks better with the case on ...lol

21st June 2010, 11:48 PM	#6
rickedd46 diyAudio Member Join Date: Mar 2007	I would definitely not spend my money on this amp. Looks like is badly put together. I'd rather get a naked sure electronics or connexelectronics board for a lot less money. One can actually get 2 sure elec 4x100 boards for the price of this amplifier and build a killer surround sound set up.

22nd June 2010, 02:09 AM	#7
J.R.Freeman diyAudio Member Join Date: Aug 2008	An interesting little amplifier, it's a shame that it has some questionable re-work anomalies. It might be alright, but long-term vibration exposure may see to its failure prematurely. Parts Express is a good company - maybe the will help you out if you send them these pictures. They might exchange it for a better example. Jim

1st July 2010, 10:05 AM	#8
tb2496 diyAudio Member Join Date: Jul 2010	I just received my amp today and noticed that there is a problem with left/right balance. when the volume is low the left channel is louder then right. this seems to improve as the volume is raised, giving a normal balance when its about half ways. I tried changing speakers around, also the input which didnt change anything so it must be the potentiometer. same result on headphones and speakers... can someone confirm that their unit is working well?

2nd July 2010, 08:41 PM	#9
audiowize diyAudio Member Join Date: Aug 2005	That channel imbalance is likely the result of a low quality volume pot. You can pad the inputs to relieve this difference, or use a source with less output voltage.

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