Author Topic: Recommendations for DAC  (Read 40854 times)

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Offline edwin

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Re: Recommendations for DAC
« Reply #150 on: Mar 12, 2017 at 11:39 AM »
Get those R2R based dac from the like of Metrum Acoustic, Holo Audio Spring, Audionote, etc. They sound not like digital compared to those delta sigma based dac.
http://ankaudiokitsblog.com/choosing-an-audiophile-level-dac/

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Metrum Acoustic Octave 2
Ref 3A De Capo i

Offline rascal101

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Offline rascal101

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Re: Recommendations for DAC
« Reply #152 on: Mar 12, 2017 at 04:41 PM »
I wonder who has a Burr Brown PCM63 or PCM1702 based DAC or CDP. Below is an example.

https://item.taobao.com/item.htm?spm=a230r.1.14.137.vrI156&id=7091294192&ns=1&abbucket=20#detail

« Last Edit: Mar 12, 2017 at 04:43 PM by rascal101 »

Offline edwin

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Re: Recommendations for DAC
« Reply #153 on: Mar 12, 2017 at 07:16 PM »
I wonder who has a Burr Brown PCM63 or PCM1702 based DAC or CDP. Below is an example.

https://item.taobao.com/item.htm?spm=a230r.1.14.137.vrI156&id=7091294192&ns=1&abbucket=20#detail


Based on the inside pic, I can still see opamps in the analog circuit, which is not really good.
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Offline rascal101

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Re: Recommendations for DAC
« Reply #154 on: Mar 13, 2017 at 01:31 PM »
Fortunately or unfortunately, the PCM63 datasheet on page 9 says below which necessitates op-amps. Can probably be replaced by tubes also or discrete transistors.

"APPLICATIONS
The most common application for the PCM63P is in highperformance
and professional digital audio playback, such
as in CD and DAT players. The circuit in Figure 6 shows the
PCM63P in a typical combination with a digital interface
format receiver chip (Yamaha YM3623), an 8x interpolating
digital filter (Burr-Brown DF1700P), and two third-order
low-pass anti-imaging filters (implemented using Burr-Brown
OPA2604APs).
Using an 8x digital filter increases the number of samples to
the DAC by a factor of 8, thereby reducing the need for a
higher order reconstruction or anti-imaging analog filter on
the DAC output. An analog filter can now be constructed
using a simple phase-linear GIC (generalized immittance
converter) architecture. Excellent sonic performance is
achieved using a digital filter in the design, while reducing
overall circuit complexity at the same time.
Because of its superior low-level performance, the PCM63P
is also ideally suited for other high-performance applications
such as direct digital synthesis (DDS)."
« Last Edit: Mar 13, 2017 at 01:33 PM by rascal101 »

Offline juanderer

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Re: Recommendations for DAC
« Reply #155 on: Aug 06, 2017 at 04:00 PM »
anyone had experience with benchmark dac3 and schiit yggdrasil ?

Offline sgxp97

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Re: Recommendations for DAC
« Reply #156 on: Aug 07, 2017 at 12:07 PM »
using both dac1 & yggy.  the benchmark is very good D-S with excellent hp amp.  yggy is a detail monster & analog sounding dac
gumby>h80>mod. ip360 / yggy>joti>mod. hd650

Offline juanderer

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Re: Recommendations for DAC
« Reply #157 on: Aug 07, 2017 at 04:03 PM »
using both dac1 & yggy.  the benchmark is very good D-S with excellent hp amp.  yggy is a detail monster & analog sounding dac

Thanks ! not wanting a headphone amp so I'll go with schiit.

Offline alvinbaronsia

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Re: Recommendations for DAC
« Reply #158 on: Aug 08, 2017 at 05:15 PM »
Is there a local distro? Where do you get your Schiits?

Thanks ! not wanting a headphone amp so I'll go with schiit.
using both dac1 & yggy.  the benchmark is very good D-S with excellent hp amp.  yggy is a detail monster & analog sounding dac

Online deuce

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Re: Recommendations for DAC
« Reply #159 on: Aug 08, 2017 at 06:32 PM »
Ordering directly from the Schiit website, and having the item shipped to the Philippines via JAC or LBC Shipping Cart, had given me no problems in the past. That's how I got the Bifrost and Gungnir. Still saving for the Yggdrasil though ($2299!)!  :)

http://www.schiit.com/products/yggdrasil

Offline alvinbaronsia

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Re: Recommendations for DAC
« Reply #160 on: Aug 08, 2017 at 10:26 PM »
That's how I got the Bifrost and Gungnir.
Thanks, will check it out.
Both multibit? Can you describe the improvements going from bitfrost to gungnir?

Offline rascal101

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Re: Recommendations for DAC
« Reply #161 on: Aug 09, 2017 at 01:40 AM »
Wow! The YGGDRASIL seems out of the box design using DAC designed for test and measurement. Hope to listen to it someday.

Offline rascal101

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Re: Recommendations for DAC
« Reply #162 on: Aug 09, 2017 at 01:42 AM »
From the datasheet of the AD5791 D/A IC (used by YGGDRASIL DAC) ...

APPLICATIONS
Medical instrumentation
Test and measurement
Industrial control
High end scientific and aerospace instrumentation

Online deuce

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Re: Recommendations for DAC
« Reply #163 on: Aug 09, 2017 at 02:27 AM »
Thanks, will check it out.
Both multibit? Can you describe the improvements going from bitfrost to gungnir?


I bought the Bifrost and Gungnir soon after these came out, when there were no multibit versions yet. Also I did not have the Bifrost to compare with Gungnir A-B, as I had already replaced it with Rega DAC at that time. Compared to Rega, I thought Gungnir was more detailed and had better soundstage with my amps and speakers.

Offline juanderer

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Re: Recommendations for DAC
« Reply #164 on: Aug 14, 2017 at 10:40 AM »
I did not purchase the Yggdrasil. Opted to go with cambridge audio's 851N instead. I needed a streamer and dac which it both have, at a lower price and local distribution.

also I don't know which forwarder to use for the direct purchase of schiit. my shopping box declined when I asked them. and with BOC tightening down, I'm sure it will have a ridiculous amount of taxes to be paid here.

Offline rascal101

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Re: Recommendations for DAC
« Reply #165 on: Oct 05, 2017 at 11:43 AM »
Some Burr Brown R2R based D/A IC DACs in taobao ...

New LeeHee XA1PCM63 DAC
https://world.taobao.com/item/41881566652.htm?spm=a312a.7700714.0.0.42d2bb92LXnq2v#detail

Picture 1


Picture 2


PCM63 DAC with USB input module
https://world.taobao.com/item/20824563699.htm?spm=a312a.7700714.0.0.42d2bb92LXnq2v#detail

Picture 1


Picture 2

Offline Pauso

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Re: Recommendations for DAC
« Reply #166 on: Jul 28, 2018 at 11:12 AM »
Have the Schiit Bitfrost MB for ~2yrs.  My TT and tube amps are rarely used now hehe.  Have also Chord Hugo and sold 2Qute, thin and flat sound, will take even the lower end Schiit R2R anytime.

Offline Gsound

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Re: Recommendations for DAC
« Reply #167 on: Jul 29, 2018 at 09:20 AM »
ok kaya ito?

Offline Gsound

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Re: Recommendations for DAC
« Reply #168 on: Jul 29, 2018 at 09:23 AM »
question mga sir, kung may ordinary dvd or cdp na may digital out, then ipadaan ko sa dac, mas magiging ok ba ang sq? tia

Offline JoeyGS

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Re: Recommendations for DAC
« Reply #169 on: Jul 29, 2018 at 08:42 PM »
Yes kung mas maganda yung external dac kesa sa internal dac ng dvd or cdp

question mga sir, kung may ordinary dvd or cdp na may digital out, then ipadaan ko sa dac, mas magiging ok ba ang sq? tia


Offline Gsound

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Re: Recommendations for DAC
« Reply #170 on: Jul 30, 2018 at 05:21 AM »
tnx sir joey, actually, i have the exposure cdp hook up to a rega dac. kaso lang sa tagal mukhang bumibigay na yung cdp. kaya nag hahanap na ako ng kapalit.

Offline JoeyGS

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Re: Recommendations for DAC
« Reply #171 on: Jul 31, 2018 at 02:32 PM »
So, what you can do is barrow a BD or DVD player and hook it up to your rega dac.  Hear how it sounds as compared to your exposure cdp .....

tnx sir joey, actually, i have the exposure cdp hook up to a rega dac. kaso lang sa tagal mukhang bumibigay na yung cdp. kaya nag hahanap na ako ng kapalit.

Offline Gsound

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Re: Recommendations for DAC
« Reply #172 on: Jul 31, 2018 at 05:30 PM »
yes sir joey we'll do. pero may effect din ba yung mechanism sa sq ? tnx sir.

Offline JoeyGS

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Re: Recommendations for DAC
« Reply #173 on: Aug 01, 2018 at 11:47 AM »
Oh yes, definitely ..... if the mechanism is noisy and has a lot of vibrations, then it affects the audio signal.

If you look at the high end and expensive transports, they tend to use a top loading player ..... meaning, no moving tray.  The moving tray, if poorly designed can vibrate and ring while the CD is rotating and being read by the lens.   A friend has tried tweaking his player by putting a lot of anti-vibration material into the tray in order to eliminate the vibration/ringing, and it helped a lot in improving the sound output.

yes sir joey we'll do. pero may effect din ba yung mechanism sa sq ? tnx sir.

Offline mbc0528

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Re: Recommendations for DAC
« Reply #174 on: Aug 17, 2018 at 10:58 AM »
Subscribing.

Eto yung isa sa mga nairecommend skn. Mukang maganda eto


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Offline sgxp97

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Re: Recommendations for DAC
« Reply #175 on: Nov 21, 2018 at 12:46 PM »
Yung MMM digital filter ng Marantz has descended on the lower models.  INterested sana sa NA6006, kaso ung ND8006 lang available sa distributor, enebeyen.
« Last Edit: Nov 21, 2018 at 10:10 PM by sgxp97 »
gumby>h80>mod. ip360 / yggy>joti>mod. hd650