3e audio TPA3255 260-2-29A Amplifier Review

[mocenigo]

LSA Discovery Warp One Power Amplifier | REVIEW

Hi-Fi news, gear reviews, and interviews

parttimeaudiophile.com

Is the amplifier technology in Amir's reviewed model identical to the one discussed in this $1,500 model?

From the pictures one can find it seems that the main board is different so it is their own TPA3255 design

 

[mocenigo]

TPA3255 Class D Stereo Amplifier WiFi DLNA AirPlay 2 Chromecast Bluetooth 5.0 2x100W 4 Ohm Grey​

With PFFB?

 

[staticV3]

With PFFB?

The WiiM Amp does not have PFFB.

 

[daniboun]

The WiiM Amp does not have PFFB.

To help you, here the list of TPA325X modules with PFFB :

​

3E AUDIO 480-1-29A​

3E AUDIO 260-2-29A​

SYLPHAUDIO FB100​

SYLPHAUDIO FB360​

SYLPHAUDIO D100 P02​

SYLPHAUDIO D400M​

XRK RTR TPA3255​

 

[somebodyelse]

And the TI EVM if you add the components as described in the PFFB application note.

 

[xschop]

Patiently awaiting Aiyima's pre-assembled PFFB.

 

[m0nsieur]

LSA Discovery Warp One Power Amplifier | REVIEW

Hi-Fi news, gear reviews, and interviews

parttimeaudiophile.com

Is the amplifier technology in Amir's reviewed model identical to the one discussed in this $1,500 model?

This uses XRK's RTR module. There are instructions on diyaudio for building your own. See:

Warp-1 Amp

The LSA Warp-1 amp based on my TPA3255 reference design amp has been getting some good reviews. I think it is time for it to have a dedicated thread. The reviews so far include: ttp://v2.stereotimes.com/post/lsa-warp-1-power-stereo-amplifier-by-greg-voth/...

www.diyaudio.com

TPA3255 Reference Design Class D Amp with PFFB

I wanted this to be one of the first products I highlight in my new forum. This amp started as a GB in this thread. TPA3255 Reference Design Class D Amp GB There was a second GB here: XRK RTR TPA3255 Reference class D Amp GB2 What can I say, this is a superb sounding amp. Quiet, powerful...

www.diyaudio.com

There were some available in XRK's Etsy shop over the holidays, but they are out of stock now.

 

[m0nsieur]

@3eaudio do you sell/ship these boards to the USA? All of the 3eaudio listings I see on Aliexpress either say they are out of stock or don't ship to my area.

 

[daniboun]

This uses XRK's RTR module. There are instructions on diyaudio for building your own

The LSA discovery is using a good TPA3255 module by XRK + the Micro Audio psu. The 3E PFFB Audio measures really better than the XRK but it is a much more recent module. This is just to give you a fair point of comparison between a $1500 and a $400 amp. If you followed my Micro Audio project you will understand where I am going with this. Furthermore you have the complete measurements of the LSA amp on Stereophile.

"Micro Bamboo Project" : 3E Audio 260-2-29A Stereo amplifier + Micro-Audio PSU

Hi Amigos ) As promised, I remain faithful to my Diyer position ) After my dual Mono project "Bamboo" I return to the scene with a new project "Micro Bamboo" to pay tribute to Micro Audio and its audiophile grade SMPS630-SO PSU. (46V/13A or 51V/11,5A) Now that we know the measurements of the 3E...

audiosciencereview.com

Here the measurements of the XRK RTR amp distortion (%) vs 1kHz @8R and 4R. That is more or less the same as the Fosi ZA3 for example.....

 

[3eaudio]

@3eaudio do you sell/ship these boards to the USA? All of the 3eaudio listings I see on Aliexpress either say they are out of stock or don't ship to my area.

Sorry sold out and will back end of Feb,

 

[Jeromeof]

Amazing - great to see what PFFB can do for the TPA3255 - will be interesting to see what Fosi Audio ( and Aiyima ) if they can engineer a similar solution for their next generation of class d amplifiers

I see Aiyima have lots of information posted and pre-sales for their A70 PFFB implementation now and they mentioned they have sent it to Amir https://www.audiosciencereview.com/...plifier-coming-soon.51188/page-3#post-1886325

Will be interesting to see if it can match the 3e in performance.

 

[brunes]

There is something here, seems the sinad is similar (monoblock)

Amplifier - V3 Monoblock with PFFB Implementation is Coming!

We know many of our fans are waiting for this monoblock! We'll post updates about this amazing amp in this thread. Jan 25 Update: Let's take a glance at some measurements first PFFB technology was implemented and load Independence was achieved! SINAD March 21 Update: April 1 Update...

community.fosiaudio.com

 

[timiambeing]

There is something here, seems the sinad is similar (monoblock)

Amplifier - V3 Monoblock with PFFB Implementation is Coming!

We know many of our fans are waiting for this monoblock! We'll post updates about this amazing amp in this thread. Jan 25 Update: Let's take a glance at some measurements first PFFB technology was implemented and load Independence was achieved! SINAD March 21 Update: April 1 Update...

community.fosiaudio.com

On the Facebook group they seem to be polling users as regards whether this should be in the SE ‘V’ range or the balanced ’Z’ ranged, most people seem to plump for the latter. Reading between the lines, and in a couple of replies I’ve had I would say it’s going to be Z range, with a volume knob but a preamp defeat switch - but hey, early days!

 

[DK15]

Can anyone tell me where can I buy this module?
I can't find it on Aliexpress(I think they don't restock it for months),
and I don't want to buy it from Audiophonics since I live in Japan.

 

[frabor]

3eaudio like many small electronics firms makes small batches. They have been active in diyaudio for some time and I have seen this trend. They make a run, sell it and make another. I would say, have a little patience while they mint the next batch. I think we are all going to like the upcoming upcoming new batch

 

[Waxx]

3eaudio like many small electronics firms makes small batches. They have been active in diyaudio for some time and I have seen this trend. They make a run, sell it and make another. I would say, have a little patience while they mint the next batch. I think we are all going to like the upcoming upcoming new batch

that's how most small companies work, they make batches of products, often made by OEM builders that work for a lot of those companies. It's economics, as the volume is to small to build your own factory. It's also common in more specialised electronics (not only for hifi or audio). I had to wait for 4 months for a very specialised device, a dub preamp, to be delivered. I knew that before altough, as the shop warned me that it would take months (untill they got enough orders) to do a batch.

 

[3eaudio]

sorry we had some delay on new batch build and we confirm they will back to stock at 8/April in our aliexpress store.

 

[Acapella]

Is somebody using the testet 3E Module with some KEF R7 or R3 (META or NON-META) speakers?
If yes are there any problems with louder volumes and the minimum impedance of 3,2 Ohm of the R7 or R3s?

I plan to downgrade from some NC502MP based Amp (A300 from audiophonics) to an Amp with the testet 3E audio module (also A300 from audiophonics).
The downgrade is planned cause the NC502MP gets to warm for me on the place where it is placed in the rack.

My hopes are that the 3E audio module together with the SMPS gets a little colder when playing normal music or watching TV than the NC502MP module.

But the 3E audio module only has measurements for down to 4 Ohm and not down to 2 Ohm like the NC502MP module.
And I will not build two mono amps with the 3E audio modules.

Currently I have R3 Metas in a room up to 26qm.

Thanks in advance.

 

[daniboun]

Is somebody using the testet 3E Module with some KEF R7 or R3 (META or NON-META) speakers?
If yes are there any problems with louder volumes and the minimum impedance of 3,2 Ohm of the R7 or R3s?

I plan to downgrade from some NC502MP based Amp (A300 from audiophonics) to an Amp with the testet 3E audio module (also A300 from audiophonics).
The downgrade is planned cause the NC502MP gets to warm for me on the place where it is placed in the rack.

My hopes are that the 3E audio module together with the SMPS gets a little colder when playing normal music or watching TV than the NC502MP module.

But the 3E audio module only has measurements for down to 4 Ohm and not down to 2 Ohm like the NC502MP module.
And I will not build two mono amps with the 3E audio modules.

Currently I have R3 Metas in a room up to 26qm.

Thanks in advance.

The Mono 3E 480-1-29A can drive 2R loads without any difficulty. Check ASR review.
But I suggest you to use a 48V/6A PSU per channel / module to be confortable.

3e Audio TPA3255 Amplifier Kit 480-1-29A Review

This is a review and detailed measurements of the 3e Audio 480-1-29A, TPA3255 based class D amplifier module. It was sent to me by the company in a reference design for ease of testing: The module is the PCB to the right and costs US 89.99 from company Aliexpress store. This is the mono...

audiosciencereview.com

Here the link to my Dual mono "Bamboo" project

"Bamboo Project" : Dual Mono 3E Audio 480-1-29A Amplifier

Hi amigos, Following the ASR review of the 3E Audio 480-1-29A Module, I decided to roll up my sleeves and show you that with a little elbow grease, you can create a very beautiful amplifier based on these nice 3E Audio modules. I called this project, "Bamboo"> the pictures will speak for...

audiosciencereview.com

 

[daniboun]

FYI amigos new. 3E Audio 260-29-A Revision 2 has been released now :

"Micro Bamboo Project" : 3E Audio 260-2-29A Stereo amplifier + Micro-Audio PSU

I can't help help but wonder if you aren't looking at this the wrong way. You state that the Mornsun et al. drop in power output when used without fans, but imply that the Micro audio does not, so you ask if this could possibly result in perceived audible effect as stated. The Micro audio will...

audiosciencereview.com