[rasmushorn]

I just finished mine too and it worked perfectly. Now some burn-in and some comparison.

This amp is smaller than I thought. Thanks a lot MIU Audio!

Now I hope to get a chance to listen to your portable tube amp. The tube amp looks very interesting.


---
I am here: http://maps.google.com/maps?ll=56.481441,8.608153

 

[GeorgeGoodman]

I don't know if this is still going on but I would love to try it. I can solder and have done several different cables. I have a sansa Fuze with an LOD to try it out.

 

[rasmushorn]

Quote:

I don't know if this is still going on but I would love to try it. I can solder and have done several different cables. I have a sansa Fuze with an LOD to try it out.

As far as I know it is too late.
 

 

[GeorgeGoodman]

Quote:

As far as I know it is too late.
 

Thanks. I haven't been on head-fi too much recently.

 

[HiGHFLYiN9]

 
There's my populated RA-1. I added the build notes here
 
Thanks Miu for your generosity! 

 

[BobSaysHi]

Quote:

 

So clean... I'm glad I don't have that level of OCD. 

 How did you fit the yellow capacitors in? On my board, the lead spacing was off, so I had to bend the pins. Did you have this problem?
 
BTW, not sure if I've mentioned this before, but I love your website. Keep up the good work.
 

 

[Mochan]

I've finally received my kit. Thanks Ivan.  These things take time to get to me overseas.  I'll get around to building it later.

 

[Mochan]

How does it sound with the DT1350?
 
Quote:

I just finished mine too and it worked perfectly. Now some burn-in and some comparison.

This amp is smaller than I thought. Thanks a lot MIU Audio!

Now I hope to get a chance to listen to your portable tube amp. The tube amp looks very interesting.


---
I am here: http://maps.google.com/maps?ll=56.481441,8.608153

 

 

[HiGHFLYiN9]

 
Quote:

So clean... I'm glad I don't have that level of OCD. 

 How did you fit the yellow capacitors in? On my board, the lead spacing was off, so I had to bend the pins. Did you have this problem?
 
BTW, not sure if I've mentioned this before, but I love your website. Keep up the good work.

Thanks... i think Yes the lead spacing on the little film caps was off. The cap in between the 3.5mm jacks had a secondary through-hole that can be used on the board for proper spacing, the others I just bent one of the leads at 90 degrees under the cap and soldered in place.
 
Thanks for the compliment on the website btw  
 

 

[rasmushorn]

Quote:

How does it sound with the DT1350?
 

It does not reach Mustang P-51 levels in soundstage or resolution but DT-1350 is the one headphone from my stash which sounds best with this new little amp. The DT-1350 is neutral and the MIY amp adds some weight in the bass. I also think the MIY amp has a grainy sound but lacks a little treble definition. The bass region is definitely where it does the best job. If I had to pay for this amplifier I would still think that it is a very good amplifier for the money and if I had not been spoiled with other great portable amplifiers I would love to carry this little thing with me everywhere. I really enjoy it and I am also tempted to buy one more kit - if they ever open an eBay shop in english - and build another amp to have at my office at work. 
 
I have about 20 hours on my battery at the moment. Does anyone know how much to expect from a normal alkaline 9V?
 
Also I would like to experiment with other OPamps - which ones would be the best start?
 

 

[Mochan]

Ah, so it's a bassy amp? Sounds good. I am giving mine to a friend most likely, since I already have a very nice bassy amp in the X02. This will probably be redundant so I might as well spread the love.  Incidentally I also pair my DT1350 with the bassy X02 (as opposed to the neutral E9 or the bright MP5) because I feel it needs a little more low end. 

 

[acidbasement]

I finally got around to building mine, and it's driving my HD600s nicely.  My initial impression is that it's a tad brighter than my other amps with really nice tight bass, which, with the HD600, is a good thing depending on which source I use.
I'll post more detailed notes in the days to come, but in the meantime I'll say thanks to Miu!  It was an easy build and I'm looking forward to listening more.

 

[ostewart]

I finally got around to building mine, and it's driving my HD600s nicely.  My initial impression is that it's a tad brighter than my other amps with really nice tight bass, which, with the HD600, is a good thing depending on which source I use.
I'll post more detailed notes in the days to come, but in the meantime I'll say thanks to Miu!  It was an easy build and I'm looking forward to listening more.

which model did you get? I would like to pair a brighter amp with my AKG K518 because they are bassy. because they are bassy.

 

[acidbasement]

Quote:

which model did you get? I would like to pair a brighter amp with my AKG K518 because they are bassy. because they are bassy.

Oh, right - forgot to post the model.  
 
It's the MRK1 - the RA1 clone unless I'm mistaken.

 

[miu6]

MRK1 not clone RA1, strictly speaking, should be based on the modified circuit RA1.Thank!