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- Users: MunkyOne
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The Fiio X3 Thread.
Yes. Mine is still going strong since 2013. Mostly, it is attached to my PC as an external DAC, but is sometimes used when mountain biking. Battery life is much the same as when new, which is surprising.- MunkyOne
- Post #17,280
- Forum: Portable Source Gear
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Little Dot I+ Tube Rolling
I think that this may be as much to do with the human factor in the audio world. I have experienced this personally with some tubes that others say sound different, yet I cannot hear the same difference. It is all so subjective; we all hear things so differently. I think that sometimes when...- MunkyOne
- Post #2,515
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
I found the Mullard M8161 (CV4015 version) to be very smooth in the high registers. I can't compare them to your Tung-sol 6AH6, as I have yet to try them. The M8161 are readily and inexpensively available as NOS.- MunkyOne
- Post #2,514
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
If you like a more mellow top-end, have you tried some of the Mullard tubes? I have not noticed any clicks / pops since installing the MUSES02 in my LD1+ Maybe what you are hearing is from the source? Those MUSES are very revealing.- MunkyOne
- Post #2,510
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
Yes, the new pot will need soldering to the board, if the contact spacing is correct, or wired if it is not. Actually, the standard pot on the LD1+ is an ALPS model, but an older, less advanced design. Changing the pot did make a noticeable difference, but I would not say a huge difference. ...- MunkyOne
- Post #2,509
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
Michael V: How did you get the Burson op-amp into the LD case? I have used some of these in my home made DACs and they are quite tall. Sound good though. How is the sound with the Burson op-amp and the 6ZH1P-EV tubes?- MunkyOne
- Post #2,500
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
Vbe mod: connected a 0.1uF cap between the bases of each output transistor pair, to bypass the Vbe multipliers. This removed the transient at around 10KHz, so treble a bit smoother, especially at higher volumes. Upgraded all main caps to higher quality versions, but kept the values the...- MunkyOne
- Post #2,499
- Forum: Headphone Amps (full-size)
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post your grado mods....
Very nice mods! How do they sound?- MunkyOne
- Post #6,886
- Forum: Headphones (full-size)
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Little Dot I+ Tube Rolling
Unlike tubes and other discrete components, there's so little physical material in op-amps that burn-in is not really a factor. What tubes are you currently listening with? Currently, I am listening with the MUSES02 op-amp and 6ZH1P-EV tubes. No hardness of vocals, Wonderfully open and...- MunkyOne
- Post #2,497
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
No. It does not matter the architecture of the circuit. In all tube amps, the choice of matched vs unmatched is always a matter of preference. Some will swear they hear a difference, wile some will swear otherwise. Noticeable differences are more likely if the tubes were manufactured in a...- MunkyOne
- Post #2,493
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
There may well be fake op-amps out there; especially the more expensive ones. Best to purchase from specialist electronic suppliers to avoid the risk. I purchased mine from Mouser, but they are available from Farnell, Digikey etc. also. Companies like these, source components direct from...- MunkyOne
- Post #2,492
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
I agree that, for the most part, matched pairs are a waste of money. It is unlikely that non-matched pairs will show any noticeable disparity in performance to the human ear, so long as they are produced around the same time and in the same factory process. Fear, uncertainty and doubt...- MunkyOne
- Post #2,487
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
The LD1+ requires either a dual channel o-amp, or two single channel op-amps with a suitable DIP-8 adapter. It is sometimes possible to buy 2x single channel op-amps already soldered to an adapter, allowing us to try op-amps that are not available as dual channel. Some good info here...- MunkyOne
- Post #2,476
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
Hi, Linear in this context, refers to the manufacturer, Linear Technology. Hence LT at the begining of the part number. While I have no personal experience of the LT1364, It is discussed here . According to the poster, it is on the neutral side, as opposed to the warmish OPA2107.- MunkyOne
- Post #2,473
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
Hi, I have some of these Burson op-amps, in both mono and dual form. These Burson (and other makes) discreet amps are far too big to fit into the LD1+ case, unless you plan to do some case mods to accommodate them. In my view, it is not worth the work involved to fit one into an LD1+ in...- MunkyOne
- Post #2,470
- Forum: Headphone Amps (full-size)
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The Fiio X3 Thread.
I too am finding the sound to be quite different, more clarity and a little more neutral. However, fw3.4 requires far more volume in order to come close to the presence and engagement of 3.34b. After switching back and forth for a while, I have decided to forego the slight clarity increase of...- MunkyOne
- Post #16,750
- Forum: Portable Source Gear
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Little Dot I+ Tube Rolling
HI, Give it a while, as most electronic components require at least a little time to settle to their stable values. I did not find the MUSES02 to be tinny at all, even from first use. However, it is all about perception. Often, with tightness, comes the perception of less bass, since it...- MunkyOne
- Post #2,321
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
I wouldn't worry too much; I don't think anyone is at risk of starting a fire. When you consider that these tubes were / are made in numerous factories around the world, there are bound to be small engineering differences. The pins are sometimes prone to bending in packaging / transit /...- MunkyOne
- Post #2,317
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
HI, In general, they should be handled very carefuly.. To remove a tube, pull it straight upwards from it's socket. Sometimes, if they are a little tight, a subtle side-to-side movement whille pulling will help. Excessive side-to-side movement can damage the tube base, causing cracking...- MunkyOne
- Post #2,315
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
HI, I think that you have reached an interesting conclusion. Given the budget constraints etc. and the disinclination to eat noodles for a month (too painful), what you have suggested makes sense. The FiiO x3 II. I have the first gen X3, and used it extensively as a USB DAC feeding my...- MunkyOne
- Post #2,313
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
Hi, Here goes... 1. All things being equal, you are likely to hear some differences; it is often very subjective. However, as you go upwards in DAC price/performance, it is reasonable to expect as a minimum, more details in the music, perhaps with a more spacious sound, with better...- MunkyOne
- Post #2,311
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
Things to look at: INPUT FILES: When you say "...in the same song, when ODAC is at 100% in Windows,.." Do you get the same problem with all songs with a similar dynamic range? I have had to re-rip some of my CDs due to audible artifacts in the digital files, which are often only...- MunkyOne
- Post #2,309
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
Hi, We are all in the same boat at some point; I have learned so much from the folks here as well as other forums. Joining Head-Fi was a very good move; it's an amazing resource. From your answers, it still looks like the problem may be in the Windows / driver / Foobar config...- MunkyOne
- Post #2,306
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
HI, It is as gibosi says. I always use a scalpel to scrape the worst off, then apply a light spray of contact cleaner to just the pins. I always use a contact cleaner that dries immediately and does not leve any residue. This way I never have any issues with pins becoming sticky and...- MunkyOne
- Post #2,305
- Forum: Headphone Amps (full-size)
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Little Dot I+ Tube Rolling
Hi, I have no experience of the ODAC product, but as you say you are able to stop the distortion from within windows, it suggests to me that there may be a configuration issue between the driver, windows or the player app. Some questions: With the windows volume at the distortion...- MunkyOne
- Post #2,301
- Forum: Headphone Amps (full-size)