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Little Dot I+ Tube Rolling
Dec 15, 2016 at 4:24 PM Post #2,881 of 3,154
This is how I deal with waiting for delivery... And these preamp tubes are so cheap! I'm used to buying power tubes in a matched quad for my guitar amps. That's hundreds of dollars for a quad compared to the $15 I just paid for a pair of nos EI 6HM5's.
 
Dec 15, 2016 at 9:05 PM Post #2,882 of 3,154
boleiro said:
Yes, I think it's safe to say that all of these options will be great sounding options... It's just which sounds best to you????? I like to change one thing at a time. So, I'll replace the tubes first with the 6HM5' that are in the mail. Then I'll try the mullard 8100 and see which floats my boat. Maybe an RCA 5654 black plate too. Then, when I've got the sound I want... I'll mess it all up by introducing the muses02 with each tube. So, I should get to the Burson in about 6 months! Maybe I'll just skip to the muses02 right off.
Click to expand...
Go straight to the Sparko or Burson! Much better than the muses
 
Dec 16, 2016 at 9:28 PM Post #2,884 of 3,154
curse you williamleonhart... you got me looking at the Burson V5i now.  I was all set to order the Muses02.  So I've been reading up on the V5i reviews and sounds interesting.  Like always, you get some conflicting descriptions of the sound characteristics.  But the sound quality is not in question.  the price with shipping is basically the same between the Muses02 and the Burson. 
 
Can anyone go through both op amps and let me know what I can expect on the sound characteristics of each.  I'm pulling the trigger on one by the end of the weekend.
 
thank again.
 
Dec 16, 2016 at 10:36 PM Post #2,885 of 3,154
ok, so i just hooked up the LD I+ and listened to some tracks and it sounded great... except it seems that it's playing mono, only the left channel?  it sounded fine on the first few track I listened to, all modern stuff.  Then I put on The Velvet Underground, Pale Blue Eyes, and the lead guitar was missing, took me half way through the song before I realized.  There is sound coming out of the left and right drivers, but it thinking it's mono since older tracks that have vocals on one side only don't play, in this case the right channel.  
 
I opened it up before per the manual to make sure it was set up correctly.  I had to move the gain to off since my grados are only 32ohms.  Didn't touch anything else, playing the stock tubes, so I left everything else a lone since it looked correct per the manual.  
 
I did check to verify that it wasn't the cans by playing straight from the my phone to cans, all okay.  I made sure all interconnects are securely fastened in the correct position.  
 
Anyone have a clue or ideas on whats up?  
 
Dec 18, 2016 at 3:05 PM Post #2,886 of 3,154
invert your tubes to watch if it's dont come from one of them (it's written in the manual)
 
Dec 20, 2016 at 12:00 PM Post #2,887 of 3,154
Finally my Little Dot I+ amp arrived. Currently Testing it with EI 6HM5 and Voshkod 6ZH1P-EV. I think I like the EI more. Seems more tubey sounding to me.
Thinking of upgrading the OPAMP with Burson V5i. What version should I buy V5i Dual or Single?
 
Dec 21, 2016 at 5:19 AM Post #2,889 of 3,154
Thanks  @drofeel71
 
Aside from that, I'm having a little concern, When I turn on the amp with EI tubes, the right tube glows with a very high intensity than the tube on the left, but settles down to same intensity levels after few seconds. Is this behavior normal?
 
Video - https://goo.gl/photos/25oR7kjo5FGXZ1iw7
 
Dec 21, 2016 at 6:58 AM Post #2,890 of 3,154
twonline said:
Thanks  @drofeel71

I've had the same issue where one tube flashes brighter at start up, then they both settle to same brightness... I didn't concern myself as the sound was fine.
How does yours sound?


Aside from that, I'm having a little concern, When I turn on the amp with EI tubes, the right tube glows with a very high intensity than the tube on the left, but settles down to same intensity levels after few seconds. Is this behavior normal?

Video - https://goo.gl/photos/25oR7kjo5FGXZ1iw7
Click to expand...
 
Dec 21, 2016 at 7:11 AM Post #2,891 of 3,154
drofeel71 said:
 
Click to expand...

Sound is okay, with both channel volumes are matched. But I have to turn volume to around 50% (in high gain setting) to get reasonable listening levels with my AKG K7XX.
 
Dec 21, 2016 at 1:38 PM Post #2,892 of 3,154
twonline said:
Sound is okay, with both channel volumes are matched. But I have to turn volume to around 50% (in high gain setting) to get reasonable listening levels with my AKG K7XX.
Click to expand...


I run the same tube and opamp configuration as you through my AKG K550 at low gain, and volume level gets above normal listening levels at around 12 o'clock on the dial, but then they are only 32ohms, not sure about the K7XX. Ignoring how far you have to turn the volume knob, does it sound good to your ears?
 
Dec 21, 2016 at 10:03 PM Post #2,893 of 3,154
The k7xx, while easier to drive than the q701 and the k701, is still an AKG. It's still quite hard to drive compared to Sennheisers or Beyers. Even though I like my I+ a lot, for my k7xx and q701 I would prefer the integrated amp on my DACs (idsd micro, m9xx, hugo etc.), which is not the case for my other headphones.
 
Dec 22, 2016 at 8:23 AM Post #2,894 of 3,154
drofeel71 said:
I run the same tube and opamp configuration as you through my AKG K550 at low gain, and volume level gets above normal listening levels at around 12 o'clock on the dial, but then they are only 32ohms, not sure about the K7XX. Ignoring how far you have to turn the volume knob, does it sound good to your ears?
Click to expand...

Sound is actually very good, after that I burned-in for sometime. But still for high dynamic range music I have to turn to around 2 o'clock (but in high gain). Maybe it is just that K7XX is just harder to drive.
 
 
williamleonhart said:
  The k7xx, while easier to drive than the q701 and the k701, is still an AKG. It's still quite hard to drive compared to Sennheisers or Beyers. Even though I like my I+ a lot, for my k7xx and q701 I would prefer the integrated amp on my DACs (idsd micro, m9xx, hugo etc.), which is not the case for my other headphones.
Click to expand...

Do you have a HD650? How does it drive through this? I actually bought this amp for my soon to arrive HD6XX. 
 
Dec 25, 2016 at 8:16 AM Post #2,895 of 3,154
Hi I have a question. When I hook my little dot 1+ up to the computer and I'm watching TV every few seconds I get this like static in the right ear cup for just a second and get a digital sound in the background every few mins. Am I having a USB noise problem or would it be my tubes. Thanks for any help.
 
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