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VentureCraft new DDC/DAC Go-DAP DD Socket 1 product - Page 13

post #181 of 587
Quote:
Originally Posted by audionewbi View Post

it comes down to how low the VRM gain setting is. Best to check with venturcraft before purchasing. I was just wondering do you have an actual recommended gain setting for sensitive IEM? 

PS:How do you like your MK2?


I don't know off hand what a suitable gain setting would be, I thought I read somewhere that said 1.5 VRM is a good setting for sensitive IEMs, but don't quote me on that. To answer your second questions: I'm relatively happy with the my MK2. It seems to synergize well with the Socket 1. Before I was using the DAC section of the HP-P1, and I was okay with it, but I felt like it was lacking that detail that I'm used to. Typically I like a neutral-ish DAC with a slightly warm amp. The synergy is amazing with my current CIEMs and headphones, and I feel like the Socket 1+Rx MK2 gives me this sound. An absolute amazing low end, great power and extension from the bass, and the treble is not fatiguing whatsoever, which is one thing I was worried about because I have quite sensitive ears when it comes to treble. I'm really enjoying the combo so far, but it is still too early to make that finally decision if I like it or love it. I'm interested in a comparison between the Socket 1 and the new Sony PHA-1 (Dac section). After I sold my HP-P1, I was debating which unit to get, and I opted for the VentureCraft because I already had an amp I loved (MK2).

post #182 of 587

The problem with us is when we have a nice sounding setup we automatically think "I wonder if this could get better?" and instead of just sticking with that gear and enjoy it we search again for an upgrade. If you have found a nice synergy than why bother upgrade :-D I wish I could find the sound I am after in a near future. 

Quote:
Originally Posted by Greed View Post


I don't know off hand what a suitable gain setting would be, I thought I read somewhere that said 1.5 VRM is a good setting for sensitive IEMs, but don't quote me on that. To answer your second questions: I'm relatively happy with the my MK2. It seems to synergize well with the Socket 1. Before I was using the DAC section of the HP-P1, and I was okay with it, but I felt like it was lacking that detail that I'm used to. Typically I like a neutral-ish DAC with a slightly warm amp. The synergy is amazing with my current CIEMs and headphones, and I feel like the Socket 1+Rx MK2 gives me this sound. An absolute amazing low end, great power and extension from the bass, and the treble is not fatiguing whatsoever, which is one thing I was worried about because I have quite sensitive ears when it comes to treble. I'm really enjoying the combo so far, but it is still too early to make that finally decision if I like it or love it. I'm interested in a comparison between the Socket 1 and the new Sony PHA-1 (Dac section). After I sold my HP-P1, I was debating which unit to get, and I opted for the VentureCraft because I already had an amp I loved (MK2).

post #183 of 587

Got reply from VentureCraft about output voltage in 12V model.

 

Hi gain = 0.8 Vrms

Lo gain = 0.5 Vrms

 

It's look like the low gain is added to make it suitable for more sensitive IEM because standard model is 0.8 Vrms.

post #184 of 587
Quote:
Originally Posted by mtthefirst View Post

Got reply from VentureCraft about output voltage in 12V model.

 

Hi gain = 0.8 Vrms

Lo gain = 0.5 Vrms

 

It's look like the low gain is added to make it suitable for more sensitive IEM because standard model is 0.8 Vrms.

That is interesting, it is lower than I expected. 

post #185 of 587
Quote:
Originally Posted by Greed View Post


I don't know off hand what a suitable gain setting would be, I thought I read somewhere that said 1.5 VRM is a good setting for sensitive IEMs, but don't quote me on that. To answer your second questions: I'm relatively happy with the my MK2. It seems to synergize well with the Socket 1. Before I was using the DAC section of the HP-P1, and I was okay with it, but I felt like it was lacking that detail that I'm used to. Typically I like a neutral-ish DAC with a slightly warm amp. The synergy is amazing with my current CIEMs and headphones, and I feel like the Socket 1+Rx MK2 gives me this sound. An absolute amazing low end, great power and extension from the bass, and the treble is not fatiguing whatsoever, which is one thing I was worried about because I have quite sensitive ears when it comes to treble. I'm really enjoying the combo so far, but it is still too early to make that finally decision if I like it or love it. I'm interested in a comparison between the Socket 1 and the new Sony PHA-1 (Dac section). After I sold my HP-P1, I was debating which unit to get, and I opted for the VentureCraft because I already had an amp I loved (MK2).
Yeah I also picked up the tactical ver. Mk2...lovin it so far. What's the recommended burn in time for the rx mk2? ATM I'm trying to burn in my zu mobius for my hd650.
post #186 of 587
Quote:
Originally Posted by audionewbi View Post

That is interesting, it is lower than I expected. 

 

Yes. I wonder why do they try to increase the input voltage from 6V (original model) to 12V, if their output voltage stay the same. 

 

Anyone have knowledge about this?

post #187 of 587
Quote:
Originally Posted by mtthefirst View Post

 

Yes. I wonder why do they try to increase the input voltage from 6V (original model) to 12V, if their output voltage stay the same. 

 

Anyone have knowledge about this?

The reason why they increase the voltage is because of that is what the opamp needs to function properly. Each opamp has a certain operating voltages. From what I have read if one can give the opamp more juice it can "sound better".

post #188 of 587
Quote:
Originally Posted by audionewbi View Post

The reason why they increase the voltage is because of that is what the opamp needs to function properly. Each opamp has a certain operating voltages. From what I have read if one can give the opamp more juice it can "sound better".

Thanks.

 

I got another interesting reply from VentureCraft. Actually the 9V model has gain switch. The switch is already in the same place as the 12V model but they don't have an opening for us to flip the switch. You need to open the cover and flip the switch from the inside. 9V model is set to high gain as default.

post #189 of 587
Quote:
Originally Posted by mtthefirst View Post

Thanks.

 

I got another interesting reply from VentureCraft. Actually the 9V model has gain switch. The switch is already in the same place as the 12V model but they don't have an opening for us to flip the switch. You need to open the cover and flip the switch from the inside. 9V model is set to high gain as default.

haha awesome, great find. Now there is no doubt in my mind that the older models can also be upgrade in future. It is that the SM version requires a larger casing. I really wish I had the funding for the OPA627SM but after all we cant get them all :(

post #190 of 587

Opening mine, need to experiment with different gains. 
 

EDIT: The company who supply the battery is this

http://www.psebattery.com/prodDetail.asp?id=32

 

I wonder if we can supply the 3200 mHa from them. 

 

I think this might work I just need to double check

 

http://www.psebattery.com/prodDetail.asp?id=13


Edited by audionewbi - 3/29/13 at 3:05am
post #191 of 587

@mtthefirst: That was a brilliant find, you have no idea how happy it made me. The lower gain is just why my EX-1000 and C5 combo needed! The early impression is it makes the entire sound more relaxed compared to what it was at high gain it becomes less agressive. 

I have set it on low gain and will use it with that. I will do a battery run and see how this improve the battery life. 


Edited by audionewbi - 3/29/13 at 5:49am
post #192 of 587
Quote:
Originally Posted by audionewbi View Post

@mtthefirst: That was a brilliant find, you have no idea how happy it made me. The lower gain is just why my EX-1000 and C5 combo needed! The early impression is it makes the entire sound more relaxed compared to what it was at high gain it becomes less agressive. 

I have set it on low gain and will use it with that. I will do a battery run and see how this improve the battery life. 


That is a great find, I might try out the low gain setting as well. Let us know how it affects the battery life.

post #193 of 587
Quote:
Originally Posted by edmonem View Post


Yeah I also picked up the tactical ver. Mk2...lovin it so far. What's the recommended burn in time for the rx mk2? ATM I'm trying to burn in my zu mobius for my hd650.


I'd say a good 30 hours will suffice. I'm still unsure if I'm a firm believer in burn-in, but my brain-in heard a tightness in bass, smoothing of highs, and a more tad expanded sound stage.

post #194 of 587

Was anyone lucky enough to purchase the OPA627 metal cap edition?

post #195 of 587

OPA627 is not suit to my taste but I probably going to get MUSES01 limited version. Since I already have MUSES02, I can swap between 01 and 02 to give it a try on both edition.

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