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Yulong A28 - Page 10

post #136 of 173

My review of the A28 is posted HERE, in case anyone wants to read it. I figure there's no point in starting a whole new thread about it, when this thread is doing just fine, so I'm just linking to it instead. 

 

In summary - an excellent amp for the price, one of the best I've heard. And THE best in a certain context. 

post #137 of 173
Quote:
Originally Posted by project86 View Post
 

My review of the A28 is posted HERE, in case anyone wants to read it. I figure there's no point in starting a whole new thread about it, when this thread is doing just fine, so I'm just linking to it instead.

 

In summary - an excellent amp for the price, one of the best I've heard. And THE best in a certain context.

Excellent review!

I have the A28 with the D100mkII, it's alright but I know the A28 could do better if it was paired with DA8 or V800.

Have you  spent anytime with the V800? If so what were your impression?

post #138 of 173
Quote:
Originally Posted by project86 View Post
 

My review of the A28 is posted HERE, in case anyone wants to read it. I figure there's no point in starting a whole new thread about it, when this thread is doing just fine, so I'm just linking to it instead. 

 

In summary - an excellent amp for the price, one of the best I've heard. And THE best in a certain context. 


This is great! I have been waiting for the Project86 blessing on this amp. I had a good feeling that it was just a matter of time.

 

I already have the DA8 and LCD-2, so picking up the A28 seems to be a no brainer for me. Here is the question - I do want to go fully balanced, but does a guy just pick up the balanced stock cable from Audeze or spend the extra money and get something like Q Cables or Charleston Cable Company? For the cost of the cable upgrade, one could pick up a P18 power supply and have a devastating Yulong stack instead. Will the cable upgrade be a needle mover for the overall sound with the A28? 

post #139 of 173
Quote:
Originally Posted by dermott View Post
 


This is great! I have been waiting for the Project86 blessing on this amp. I had a good feeling that it was just a matter of time.

 

I already have the DA8 and LCD-2, so picking up the A28 seems to be a no brainer for me. Here is the question - I do want to go fully balanced, but does a guy just pick up the balanced stock cable from Audeze or spend the extra money and get something like Q Cables or Charleston Cable Company? For the cost of the cable upgrade, one could pick up a P18 power supply and have a devastating Yulong stack instead. Will the cable upgrade be a needle mover for the overall sound with the A28? 

 

 

Nobody can answer that for you.... realistically, each person has their own ideas about cables and the changes they make (or don't make) to the sound. If you've never messed with them and decided your own stance, you might take this opportunity to do so. It's something all of us should do at some point in our audio journey.

 

I will say, as stock cables go, the Audeze balanced is quite nice. Very manageable and high quality overall. 

post #140 of 173

Bump for this thread. Can't believe a balanced amp at this price isn't getting a little more attention. I got my first taste of Yulong gear at the LA meet (a-100) and really enjoyed the slightly warm touch it added. The one kugino is selling is awful tempting, just to try :D

 

Has anyone gotten to compare this to other balanced amps in the market? I'd be interested to hear a comparison with the Mjolnir since they hit in the same price range. 

post #141 of 173
Quote:
Originally Posted by elwappo99 View Post
 

Bump for this thread. Can't believe a balanced amp at this price isn't getting a little more attention. I got my first taste of Yulong gear at the LA meet (a-100) and really enjoyed the slightly warm touch it added. The one kugino is selling is awful tempting, just to try :D

 

Has anyone gotten to compare this to other balanced amps in the market? I'd be interested to hear a comparison with the Mjolnir since they hit in the same price range. 

 

 

Seems there's another good deal on  these units listed. 300 Euro is pretty tough to beat. I hope someone gets a comparison with the Mjolnir at some point.

post #142 of 173
Quote:
Originally Posted by elwappo99 View Post
 

 

 

Seems there's another good deal on  these units listed. 300 Euro is pretty tough to beat. I hope someone gets a comparison with the Mjolnir at some point.

 

 

Agreed. It makes me want to buy a Mjolnir just for comparison purposes, but that doesn't make sense. 

post #143 of 173
Quote:
Originally Posted by project86 View Post
 
Quote:
Originally Posted by elwappo99 View Post
 

 

 

Seems there's another good deal on  these units listed. 300 Euro is pretty tough to beat. I hope someone gets a comparison with the Mjolnir at some point.

 

 

Agreed. It makes me want to buy a Mjolnir just for comparison purposes, but that doesn't make sense. 

 

I won't complain if you get one to compare :D

 

 

 

Any long term comments on the A28? It unfortunately seems like a lot of people who buy this unit don't say a lot and end up selling it :(. Any long term pros/cons? I've read the comparisons with the A18, but any later comments on particular headphone synergy with either one?

post #144 of 173
Quote:
Originally Posted by elwappo99 View Post

 

 

Any long term comments on the A28? It unfortunately seems like a lot of people who buy this unit don't say a lot and end up selling it :(. Any long term pros/cons? I've read the comparisons with the A18, but any later comments on particular headphone synergy with either one?

 

It's been a few months by now - not sure if that qualifies as long term yet, but I'm still very pleased with it. With LCD-2, LCD-3, and all the HiFiMANs, this thing is killer. Alpha Dogs and Thunderpants too.

 

I can see how people might end up not being impressed though. If you don't use it fully balanced, or don't use it with the right headphones, it becomes just a mediocre amp. I'd stay away from Audio Technica, Ultrasone, most Grados, and a lot of the beyerdynamic models too. Perhaps that makes it a less versatile amp than some would like to own. If you buy something like a Matrix M-Stage or Lake People G109, it will sound good with just about everything. The A28 won't work with every headphone, but when it works it does an extremely good job. So it's all about balancing the system. 

post #145 of 173
Quote:
Originally Posted by project86 View Post
 
Quote:
Originally Posted by elwappo99 View Post

 

 

Any long term comments on the A28? It unfortunately seems like a lot of people who buy this unit don't say a lot and end up selling it :(. Any long term pros/cons? I've read the comparisons with the A18, but any later comments on particular headphone synergy with either one?

 

It's been a few months by now - not sure if that qualifies as long term yet, but I'm still very pleased with it. With LCD-2, LCD-3, and all the HiFiMANs, this thing is killer. Alpha Dogs and Thunderpants too.

 

I can see how people might end up not being impressed though. If you don't use it fully balanced, or don't use it with the right headphones, it becomes just a mediocre amp. I'd stay away from Audio Technica, Ultrasone, most Grados, and a lot of the beyerdynamic models too. Perhaps that makes it a less versatile amp than some would like to own. If you buy something like a Matrix M-Stage or Lake People G109, it will sound good with just about everything. The A28 won't work with every headphone, but when it works it does an extremely good job. So it's all about balancing the system. 

 

 

Thanks for the reply! 

 

I've owned a few balanced amplifiers, and I'm pretty sure for all of them I would say the SE output "does the job" but nothing more. It's something people who want to have a balanced rig need to know. You really have to commit your whole chain to it.

post #146 of 173
Quote:
Originally Posted by project86 View Post
 

 

It's been a few months by now - not sure if that qualifies as long term yet, but I'm still very pleased with it. With LCD-2, LCD-3, and all the HiFiMANs, this thing is killer. Alpha Dogs and Thunderpants too.

 

I can see how people might end up not being impressed though. If you don't use it fully balanced, or don't use it with the right headphones, it becomes just a mediocre amp. I'd stay away from Audio Technica, Ultrasone, most Grados, and a lot of the beyerdynamic models too. Perhaps that makes it a less versatile amp than some would like to own. If you buy something like a Matrix M-Stage or Lake People G109, it will sound good with just about everything. The A28 won't work with every headphone, but when it works it does an extremely good job. So it's all about balancing the system. 

i don't know how many people with A28s are actually selling them...but i'm selling mine because, as project86 rightly noted, it doesn't play nicely with low-impedance cans like grados and denons. i have two grados and a denon that i listen to a lot and would like something that is more friendly with all of my headphones, which also include the hd800 and the he-500.

 

i initially got my A28 with the hopes of mating it with the DA8. i bought one from a head-fier, who, as it turned out, tried to scam me and never shipped it. so there went my balanced source...and i haven't settled on a balanced source since. i have a geek pulse x coming this summer, which should take care of my balanced source need, but having read a number of glowing reviews on the auralic taurus II, i'm settling on that or the ragnarok as my "end game" amp. 

 

so it is not that i didn't like the A28, rather that it didn't mate well with the headphones i have (no wonder that when i first tried it out, and even before project86's review came out, i found that i liked the grados best out of the SE low output, which just turns out to have a lower impedance than the balanced port). furthermore, i have been feeding it with a SE source, which isn't ideal, either. thirdly, i'm moving to what i consider my end game amp, so the A28 simply gets lost in my quest...

 

if someone is committed to going fully balanced and has the right cadre of headphones, the A28 is a more than capable performer. i still use it daily and i still find it enjoyable, even if it's not "optimal" with the headphones i employ. i hope this is helpful for anyone looking at the A28...i'd be happy to answer any questions, too...

post #147 of 173
Quote:
Originally Posted by kugino View Post
 

i don't know how many people with A28s are actually selling them...but i'm selling mine because, as project86 rightly noted, it doesn't play nicely with low-impedance cans like grados and denons. i have two grados and a denon that i listen to a lot and would like something that is more friendly with all of my headphones, which also include the hd800 and the he-500.

 

i initially got my A28 with the hopes of mating it with the DA8. i bought one from a head-fier, who, as it turned out, tried to scam me and never shipped it. so there went my balanced source...and i haven't settled on a balanced source since. i have a geek pulse x coming this summer, which should take care of my balanced source need, but having read a number of glowing reviews on the auralic taurus II, i'm settling on that or the ragnarok as my "end game" amp. 

 

so it is not that i didn't like the A28, rather that it didn't mate well with the headphones i have (no wonder that when i first tried it out, and even before project86's review came out, i found that i liked the grados best out of the SE low output, which just turns out to have a lower impedance than the balanced port)....

 

Yeah, I'm not happy with my A28 either. A bit dull sounding and lacking of air. Detail and micro detail is not as good as DA8 headphone output.  For balance, I use T1 balance and HE5-LE, sounds pretty good, but didn't impress me.

I hope one day I would have the time to replace the op-amp, hoping to improve A28 sound quality.

post #148 of 173

Thanks for the updates everyone. As always, not every user will hear the same thing, and even if they do - one may enjoy it while the other doesn't.

 

I was thinking about it, and came to the realization that the A28 is kind of old school..... back in the day we had amps that were really good at one thing, but not really universal across all headphones. So the well-to-do HeadFier would have an EarMax Pro for their HD600 and other high impedance models, and an Eddie Current EC/SS for Grados (as an example). Nowadays we mostly expect amps to perform well across the board, from IEMs to planars to high and low impedance dynamic models. The A28 goes against this trend and for some people it may not be versatile enough. 

post #149 of 173

Do i understand correctly that if i want to get these rates:

 

400 mW/600 Ohm, 700 mW/300 Ohm, 1.3 W/150 Ohm, 2.5 W/32 Ohm
120 mW/600 Ohm, 200 mW/300 Ohm, 350 mW/150 Ohm, 800 mW/32 Ohm
 
I need to connect this amp to the dac via XLR and i also need to use headphones with balance cable?
Is it right? But if i use headphones with usual cable (not balance) will i get these rates? 

Edited by 3rdmortal - 5/20/14 at 2:39am
post #150 of 173

You just need to use a balanced headphone connection to get the higher outputs. A more typical 1/4" headphone connection will get you the lower rates. 

 

It doesn't require XLR connection from the DAC though - if you use the RCA inputs, the amp will convert from single ended to balanced signal internally, and then proceed as if it was getting a native balanced signal via XLR. You lose a little bit of purity in the process but you don't lose power. 

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