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Mini Dac TDA1543 X 4 NOS - Page 3

post #31 of 935
Thread Starter 

Got this with me now....at this stage all I can say is for 60 bucks everyone should have one.  Still getting to grips with the whole R2R NOS sound - at this stage it does take some of the treble bite away from the HD800 and the mids really stand out.  This thing runs warm and improves a lot once warmed up - or is it burn in?  For those that don't like NOS - the Delta Sigma version should also be unbelievable value.  More to come - and a direct shootout with the Dacmagic. 

 

 

Edit - a quick note - the bass is a little muddy and not very defined - which may be the cause of this midrange fullness - it lacks definition in the lower mids and bass - I'll hook it direct to battery power later to see if it improves, along with "burn-in".


Edited by SP Wild - 9/23/10 at 8:49pm

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post #32 of 935

I'm glad you like it..

 

 

I went a bit of a different route, I ordered the Teralink X2, a WM8740 on a DIP adaptor board, 8 TDA1543's and a 1541, I'll have a bash at setting the three of them up on breadboard and trying them with the I2S output from the Teralink. Yes I appreciate that the 8740 is a completely different thing, I just fancied trying to play with it, and they are dead simple to implement.

 

//J

post #33 of 935
Thread Starter 

I prefer this $60 DAC more than the Bryston DAC.

 

I was feeding this dac a 48khz signal, because that's all my computer can output and the results were unsatisfactory.  I have since tried used the Cambridge Dacmagic as a USB convertor to get a bit perfect 44.1khz signal to it via optical and noticed that the smoothed over transients were removed and replaced by a certain kind of clarity.  I then used the Dacmagics coax digital with a standard audio cable and it improved this "clarity" some more.

 

I then switched over to the Dacmagics analogue output and positively couldn't bear the Dacmagic.  It almost made me feel sick.  I then did the same test with the Bryston DAC, using the Bryston as a USB convertor - and then comparing this 60 dollar mini dac to the $3200 AUS Bryston DAC.  I clearly preferred the mini dac.  The Bryston still had far less of this "artificiality" than the Dacmagic...but there was still a bit of it there.  The mini dac had none of this whatsover.

 

The sound of this mini dac is rock solid and very realistic to me.  The Dacmagic had an artificiality, like a fake "sheen" throughout the entire spectrum.  The Bryston still had a trace of this, even when upsampling was turned off.  The mini dac had no trace whatsoever - instead it had a central body that was realistic and sounded much closer to reality to my ears.  I cannot quite understand nor comprehend how I could possibly prefer a $60 Ipod sized DAC, over my $3000 full sized high-end DAC.

 

This is using the HD800, as the headphone.  I will repeat this test with the LCD2 when I get it back and if the same results are achieved, both the Dacmagic and the Bryston will be gone for good.


Edited by SP Wild - 9/26/10 at 7:19am
post #34 of 935
Quote:
Originally Posted by SP Wild View Post
I then switched over to the Dacmagics analogue output and positively couldn't bear the Dacmagic.  It almost made me feel sick.


Mate, I cannot agree more!

A couple of weeks ago, when I sold the Reference 5, I bought the DacMagic: the sound was rubbish!

artificial, bright..I thought my unit was defective! I kept it for 2 days and then sent it back to the shop

post #35 of 935
Thread Starter 

R2R vs Delta Sigma, could this account for what I hear?
 

post #36 of 935

New toy syndrome.

post #37 of 935

Oh believe me, new toy syndrome affects the very best of us. Just like how the LCD-2 is better than sliced bread, am I right bro?

 

 

 

post #38 of 935

Is this easy to disassemble?

post #39 of 935
Thread Starter 

This thing looks very easy to disassemble, I haven't done so as it is out on loan (and I miss it heaps) - but four screws hold front panel and back panel, the PCB should just slide out.

Here is the link to a comparison with the Muse and the Bryston.  I have since been experimenting with the Bryston's input and found improved performance and a further reduction in "digititis" when I got around to connecting it up via coax to to my 10KG Pioneer Elite SACD player.  So I await the return of this mini DAC for further comparisons.  I did hook it up to a car battery before loaning out and noticed an improvement in noise floor, precision and refinement. 


Edited by SP Wild - 10/3/10 at 11:51pm
post #40 of 935

Thanks SP Wild, I'm gonna get this one.

post #41 of 935

Interested in this product very much.

 

>>6.Power Supply: DC 12V,1A (Positive Center) Including

 
Question x3
1.Will it be a power supply of the good brew?
 
2.Corresponding AC voltage? 100-240V, 110-240V ??
 
3.Switched-mode power supply or Transformer power supply  ?
post #42 of 935
Thread Starter 

For 60 bucks delivered, you get a cheap SMPS wallwart for any international voltage - my one came in, rated at 1.5 amps, which worked better than a 2 amp SMPS wallwart I had lying around.  A nice rechargeable 12 volt Li-on 9800mah battery pack with included charger can be picked up cheaply.  Also of interest to me is the internal shots of the DAC in the revered hi-end RWA Isabellina which can be optioned to run off batteries and contains, I believe a single DAC chip of the same make.

 

Note:  The dearest unit provided in the link contains a supposed inferior digital receiver chip - the DIR9001 is supposed to be the better unit, I think.


Edited by SP Wild - 10/4/10 at 8:34am
post #43 of 935

Thanks,

 

 

12V/9800mAH Portable Li-ion Rechargeable Battery Pack is wild. 
It is feeling of dangerous articles. 
 
I think that I use YAMAHA PA-6. 
 
galleryImage1.jpg
 
This is a product of a Japanese specification and AC100V. It is a product of 50/60Hz and 42VA, OUT/DC12V, and 2A. 
There are as much as 1.4kg weight. 
 
YAMAHA PA-6 (Japanese Page)

Edited by T.IIZUKA - 10/4/10 at 9:58am
post #44 of 935

I caught wind of the differences in DAC chips in the sabre32 thread.  Now I am curious as to how different they might possibly sound. 

 

Currently I own a Maverick Audio D1( connected to a Matrix M-Stage HPA) and using the solid state output I am rather fine with it.  I learned that its possible it has an oldie but goodie Cirrus Logic dac? No one is really sure but that is the theory.  Anyway, if so they are more than definitely a sigma-delta based design.

 

As is the two dac chips on my Auzentech Prelude.


Edited by ninjikiran - 10/9/10 at 10:51am
post #45 of 935
Quote:
Originally Posted by SP Wild View Post

Also of interest to me is the internal shots of the DAC in the revered hi-end RWA Isabellina which can be optioned to run off batteries and contains, I believe a single DAC chip of the same make.


If I recall properly in my head... the single chip inside Isabellina is TDA1545... and not the TDA1543...

 

TDA1545 use Japanese input format on I2S, make it not possible to just drop it on TDA1543 (unless it is TDA1543A which also use Japanese format)

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