Will also be considering replacing the PCM1742 (16 pin) with PCM1792 (28 Pin) which is also a 24bit/192KHz DAC but has far better specification than the PCM1742. But unfortunately these two chips are not pin compatiable. The PCM1792 will require some additional external circuits and i will require to carefully map the pins of both the chips. The PCM1792 cost a whopping Rs.1400/- and being a CMOS chip is suspecitable to damage due to static discharge. Let me try the op-amp changes first then will consider the PCM1792 swap later. I will need to build this circut externally and solder them to the PCB later.
Musical Fidelity V-DAC II unboxing
- Thread starter Vijay_s
- Start date
Will also be considering replacing the PCM1742 (16 pin) with PCM1792 (28 Pin) which is also a 24bit/192KHz DAC but has far better specification than the PCM1742. But unfortunately these two chips are not pin compatiable. The PCM1792 will require some additional external circuits and i will require to carefully map the pins of both the chips. The PCM1792 cost a whopping Rs.1400/- and being a CMOS chip is suspecitable to damage due to static discharge. Let me try the op-amp changes first then will consider the PCM1792 swap later. I will need to build this circut externally and solder them to the PCB later.
Thad E Ginathom
Well-Known Member
svkndv, how long did it take your V-DAC to reach you?
I ask because I've just ordered a V-LPS II from the same company.
I ask because I've just ordered a V-LPS II from the same company.
Maximum of 7 days from the day of shipment if it is by Royal Mail Signed For.
I yesterday replaced the op-AMP BA4560 with LM4562 (National Semicondutocr) and by this simple replacement my audio quality has improved by atleat 70%. I would recommend all DIYs to identify the op-AMP after the DAC and do this replacement for atleast 70% improvement in the audio qualiity from the DVD. My next pursit will however be to replace the DAC itself from PCM1742 to PCM1792 which will take almost a month to get the PCB designed & sourcing the components. Will update after i do this.
Cheers,
Good point
I think they can. Have heard them singing with high end CDPs. I can't buy a CDP since thats not my way of listening so looking at the DACs.
Mordaunt Short Aviano - 2 Bookshelves btw. Coupled with Azur 550A amp.
Whats your budget for a new DAC?
--G0bble
Thad E Ginathom
Well-Known Member
The packing of these M-F V-series items is incredibly cheap and flimsy. This probably works to the advantage of us overseas customers when/if customs takes a glance.
The light-weight card box and plastic interior moulding is more what we might expect to see on a child's toy at about 25% of the price, or less.
This is Not A Complaint!
Musical Fidelity must have established that the item itself is quite sturdy enough to survive transit without spending any more money on the wrapping, which would increase the product sale price. Who needs a fancy box, once the item has been unpacked? I think this is right priorities!
In fact, I am impressed with how sturdy the aluminium extrusion box, with screwed ends actually is. I don't know what the original black V-series stuff felt like in the hand, but the V-xxxx II boxes feel pretty good. The screwed end panels are not flimsy, either, although the fit is a fraction of a mm out on one side of one end.
A stack of these would look smart, in a business-like sort of way. I'm beginning to wish I needed a few more! (a headphone amp has crossed my mind)
I've kept to general comments of the Musical Fidelity V series (mine is the V-LPS II) as this is svkndv's V-DAC II thread.
I think my V-LPS II is pretty good, but currently have ear troubles and can't hear much properly at all.
As Musical Fidelity upgrade the range to the much better-looking II series, I think they are onto a winner. For those who don't care about that, they may appreciate the reduced prices on the original black-box items
Divine Audio, UK, by the way, were very friendly and helpful in sorting out some confusions that I had caused over payment and delivery address.
svkndv... how goes it with the DAC?
The light-weight card box and plastic interior moulding is more what we might expect to see on a child's toy at about 25% of the price, or less.
This is Not A Complaint!
Musical Fidelity must have established that the item itself is quite sturdy enough to survive transit without spending any more money on the wrapping, which would increase the product sale price. Who needs a fancy box, once the item has been unpacked? I think this is right priorities!
In fact, I am impressed with how sturdy the aluminium extrusion box, with screwed ends actually is. I don't know what the original black V-series stuff felt like in the hand, but the V-xxxx II boxes feel pretty good. The screwed end panels are not flimsy, either, although the fit is a fraction of a mm out on one side of one end.
A stack of these would look smart, in a business-like sort of way. I'm beginning to wish I needed a few more! (a headphone amp has crossed my mind)
I've kept to general comments of the Musical Fidelity V series (mine is the V-LPS II) as this is svkndv's V-DAC II thread.
I think my V-LPS II is pretty good, but currently have ear troubles and can't hear much properly at all.
As Musical Fidelity upgrade the range to the much better-looking II series, I think they are onto a winner. For those who don't care about that, they may appreciate the reduced prices on the original black-box items
Divine Audio, UK, by the way, were very friendly and helpful in sorting out some confusions that I had caused over payment and delivery address.
svkndv... how goes it with the DAC?
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Hope the OP doesn't mind some OT.
@Hari Iyer, your modifications sound pretty interesting. Are such things possible to mid end CDPs also?
BTW, why don't you start a thread on modding for the benefit of other members rather than post info on someone's thread.
@Hari Iyer, your modifications sound pretty interesting. Are such things possible to mid end CDPs also?
BTW, why don't you start a thread on modding for the benefit of other members rather than post info on someone's thread.
That doesn't necessarily means bright soundOnly the highs should be crisp, the vocals should be warm an mellow. I dont really care much about the bass.
I think you should should select right speakers to get highs crisp. why expect such thing from DAC. DACs should always be balanced. I bought V-DAC nearly 6 month back. extremely happy with the performance.
Very correct that's what I also felt. The aluminum dome tweeter in my Acoustic Portrait sounds very crisp and prominent when compared to the electrostatic panel of my Cadence Arista speaker.
heliumflight
Well-Known Member
Congrats svkndv on acquaring the MF- VDAC II. For my understanding didn't the Nad amp not offer details.
I am going for an all new setup. I will be listing PSB B6, speaker + stands etc in few days. Heads-up: will have a new home with dedicated HT room, ready in a year.
To begin with going for a floor-stander
Thanks Caprajesh for your suggestion. Naming the new thread as 'Enhancing your DVDs performance - Modifications'
My humble suggestion is not to limit yourself to only DVD / BDP but also include mid end CDPs.
praholla
Member
Originally Posted by svkndv
Initial impressions are good, tight bass and midrage came alive while connected to WDTV which was not the case before. Yet to connect and test with M-Audio Coaxial out. Awaiting for the cable.
Guys check this video on youtube, it's a comparison of digital and DAC music
DAC v.s. Digital: An Audio Comparison - YouTube
Initial impressions are good, tight bass and midrage came alive while connected to WDTV which was not the case before. Yet to connect and test with M-Audio Coaxial out. Awaiting for the cable.
Guys check this video on youtube, it's a comparison of digital and DAC music
DAC v.s. Digital: An Audio Comparison - YouTube
Thad E Ginathom
Well-Known Member
DAC versus Digital?
What does he think the D stands for?
What does he think the D stands for?
krishnenduk
Active Member
i am planning to by MF Vdac II to use it with my AC Ryan Playon HD mini2 and Onkyo TX Sr 705 as the amplifier.. I am now using onkyo receiver as the amp with music out from Ac ryan HDMI port.. Does adding this DAC to the chain increases SQ??
*Raj*
Member
Good point
I think they can. Have heard them singing with high end CDPs. I can't buy a CDP since thats not my way of listening so looking at the DACs.
Mordaunt Short Aviano - 2 Bookshelves btw. Coupled with Azur 550A amp.
I recently arranged and got audiolab 8200cd from UK which is highly acclaimed CD player cum DAC. But its day and night difference if you play CD or Flac uncompressed file (ripped from best software) from same CD. I believe that CD quality cant be achieved through any DAC and one has to take full pains to put CD every time TO ENJOY TO THE FULL POTENTIAL.
reignofchaos
Well-Known Member
Not true! Has been mentioned time and again - a properly configured computer using wasapi is equal or better than the best cd transport you can buy. I personally can't hear the difference between the pretty serious stream unlimited transport on my Ayon CD-1s compared to the coaxial input fed by an m2tech hiface. The rest of my chain is not resolving enough to tell the difference.
Of course I do agree that the vdac is not the greatest of dacs - it is average at best.
Thad E Ginathom
Well-Known Member
If you play FLAC from the same CD how? On a PC with a digital connection to the audiolab DAC?
Timing is much more closely coupled between transport and DAC in a CD, but ... Day and night difference?
Try some off stuff like ... uncomrpress the FLACs back to WAV, burn the WAVs to a CD, and play that on the audiolab.
Can't help thinking something is wrong. I am not saying that using a different source to the same DAC must be identical (digital is digital, yes, but...) but a night & day difference is not expected. My hunch is something is wrong, rather than only the cd having the full potential.
There must be some clever method feeding this into that, and that back through this, to establish where the something wrong is ... but it's 3.30am, and my brain wants to go to bed.
May be that (the fact highlighted) is the reason. As I understand, you have used Ayon in the same way as Raj did with the Audiolab CDP. Where did VDAC come into picture?
Or am I missing something?Interesting discussion. Carry on folks, I'm all ears or is it eyes?
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