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Little Dot MKII Tube Headphone Amp

Little Dot MKII Tube Headphone Amp

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729 Sold
Product Description
A great introduction to the world of tube headphone amplifiers, the Little Dot MKII is ideal for pairing with a desktop amp and can also function as a preamp to your speakers. It uses a single-ended push-pull OTL circuit operating in Class A, and delivers plenty of headroom and dynamic impact, along with a touch of tube warmth and tonal richness Read More
Here's what our community has to say
All of our reviews are from verified customers.
4.2
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32
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80%
would recommend to a friend
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cmichalo
4
Dec 11, 2020
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First Tube Amp
overall I like it. As others have noted it runs hot, sounds much better after tube rolling. Wish it had a cage or some sort of protection around the tubes.
Hawkeye1958
2
Oct 28, 2020
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A little too dark.
I've tested this headphone amp against asolid state HD amp and I find this one to be a little too dark for me. It seems that it is too focused on the lower end and too dim at the top end. I actually prefer the Pro-ject Head Box to this one. I also got the upgrade tubes that were offered. I have not yet tried tube rolling to see if I can squeeze a wider frenquency range out of this or not. But would take recommendations on amplification tubes to try.
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Would not recommend to a friend.
Hifidude
60
Jul 25, 2020
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Incredible Value (With a problem)
A great starter tube amp. (Sounds decent for the money) *less than 1 year of ownership and the connector has issues with listening to the left and right channel atthe same time (I will update this with the results of my warranty claim)
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Would recommend to a friend.
(Edited)
Leo115
13
Jun 10, 2020
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Hot little Amp
First headphone amp that I'm pairing with the 6XX and upgraded tubes. Performance is solid but made the electrical interference from my GPU apparent. Picks up on Phone wireless frequencies if placed near each other as well. Sounds great after fixing those little issues.
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Would recommend to a friend.
marcom22
7
May 12, 2020
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Very Good
I moved to it from BRAVO Audio V2 ..... It's another level and sounds fantastic. I attacched it with my Topping DX7S and the sound shines like a new star.
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Would recommend to a friend.
Razor74
48
Mar 15, 2020
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Good entry to medium level tube amp
Overal I like this amp, my only disappointment was that it only works properly on the lowest gain setting. When ever I move the jumpers to medium or high gain only one speaker works, I don't know if this is a common problem or just in my unit but it is a problem. That being said this amp really brought my Koss electrostats to life. For anyone that has Koss electrostates and thinks that they are not warm enough or don't have enough bass, this amp will change sound as you know it. I may try some tube rolling later but for now i will enjoy it as it is. By the way the HIFIMAN HE-4XX sound awsome as well.
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Would recommend to a friend.
A community member
Apr 19, 2019
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Obviously every headphone addict should know that Tube Amps are designed for Headphones with high Impedance - perfectly 600 OHM - using it with below 100 OHM is abomination! This little dot is live changer if you love music and know how to use it. Check out this thread https://www.head-fi.org/threads/little-dot-tube-amps-vacuum-tube-rolling-guide.563884/
VinylLover
10
Mar 4, 2020
It's OTL tube amps that are better matched with high impedance headphones. If the tube amp has output xformers, it will work perfectly well with low impedance cans. The sweet spot is often adjustable by changing the coupling capacitor values. The LD MKII is a fun little amp with a very warm sound signature. It's certainly not the last word in black backgrounds or resolution, but it is enjoyable if you go in knowing what to expect.
MaOdA
11
Apr 5, 2020
I can using with m50x after change Potentiometer
Drrragon
29
Aug 2, 2018
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This amp built very well but there is a hissing every since I open the box especially on the higher gain. I can barely use it with any headphone have impedance below 100 ohm, but this is good with other high impedance headphone. Would prefer it without the hissing tho.
Z0d1Ac
240
Jul 20, 2018
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Comes packaged quite well, but for america is shipped by fedex which I do not like. Comes with included rca cable and quarter inch adapter and english manual. Not that large but does get hot. Finding matched aftermarket tubes can be a hassle and costly. I have no issues other than tube noise which is normal. Not bad amp, if it was a tiny bit cheaper.

https://www.youtube.com/watch?v=fV_JpPL9FoI
chindokae
27
Jun 28, 2018
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When it works, it sounds good. Internally, however, the quality of the workmanship is very poor, and the design is faulty to the point of being dangerous. The high voltage AC leads from the transformer are only tack-soldered to the board. When I plugged in a pair of Bose Quiet Comfort 15 headphones, the full wave bridge rectifier partially burned out and the resultant overcurrent caused one high voltage AC lead to spontaneously desolder itself and ground out to the case, blowing the fuse. Apparently, it has to have a resistive load on the headphone jack or it blows up. This is not mentioned in the documentation I received. QC15 headphones have essentially no DC impedance. The amp sees that as an open circuit, and that causes an overcurrent of sufficient magnitude to destroy its rectifier. In a couple of decades of using and repairing tube equipment, I have NEVER seen any audio tube circuit designed in a such a way that having an open on the output could cause damage. Shorts circuits, sure. Open circuits, never.
The manufacturer has disappeared from the Internet, is not answering any emails to his eBay seller account (DavidZheZhe), and has disabled new user registration and all email functionality on his website (littledot-dot-net). There is no way to contact him, there is no way to obtain support, and therefore no warranty. The product has obviously never been evaluated by UL or TUV as there is no way it could past muster from a product safety standpoint.
nofacemonster
16
May 21, 2020
Listen to him... Every word above he says is 100%. I bought this not too long ago from eBay. From their official seller. It was all good until I realized there is a low motorized kind of noise happening in the background. My HD6XX didn't pick it up until I put it to Gain Level 2, 3, and 4. All other small IEM's do including venture electronics Monk Plus (68 Ohms to 70 Ohms). I still can't figure out where it is coming and I tried to contact little dot people, Their forum is locked, and after many months a dude called "Sword_Yang" replied to me saying I should use to the HD6XX on lower gain mode because it is super sensitive. Well I know it is all bullshit because even at Gain 1 (Lowest) every other headphone picks this up...! I changed tubes, Isolated from Ground loop, Done everything and yet the noise is there probably due to faulty equipment. I live in a wasteland of electronics where no place to get any of these repair equipment. If someone can pinpoint the noise for me, I might able to fix it but without Little Dot's help, I can't do it. So beware of products like. For many people 160$ is something you can throw away...! but for me, it is a lot when converted to local currency. I could live for a month with that money with all my food and expenses paid. Here are the recorded noise files I am sharing with you. Amplified audio file https://voca.ro/nzwrqmzR05l Unamplified audio file https://voca.ro/f3dJACghizH I really regret buying this. REPLY
RealGred
0
Mar 29, 2021
Same problem with my unit. Noise in right channel. Tubes swap doesn't help, noise remains in right channel.
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