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- Users: Bobsama
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Little dot MKIII dead left channel
Open it up and see if anything came loose or burned. The real question is whether or not you got a real Little Dot amplifier or a clone with different internals. Otherwise, a tube technician may be able to help. Or, try a real Little Dot direct from David. Have you been in contact with your...- Bobsama
- Post #3
- Forum: Headphone Amps (full-size)
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How to use a 220 V Little Dot I+ in US
TBH, it's stuff like this why I'll always recommend dealing with DavidZheZhe instead of a third party. He'll honor his own warranty, which includes return shipping within 3 months. Sure, you'd be without an amp for another month, but at least you won't have to get a shady travel adapter for...- Bobsama
- Post #9
- Forum: Headphone Amps (full-size)
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Headphone Amplifier which is better sound Solid State or Valve
I dunno about 10 seconds, but changing 4 tubes on my Little Dot MK IV took about 2 minutes.- Bobsama
- Post #3
- Forum: Headphone Amps (full-size)
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Headphone for Schiit Asgard and BiFrost combo
Also consider, for $100 more, the Valhalla. Tube amps typically pair better with 600-ohm Beyers. That said, for the genres, I'm not sure it'll be beneficial for you to get that tube sound. I don't listen to any of that stuff myself.- Bobsama
- Post #11
- Forum: Headphone Amps (full-size)
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sugden headmaster just BLEW UP!!!
Are you talking about a socket with switch or just a standalone switch? Does the socket integrate the fuse & switch together? Does it need the GND pin?- Bobsama
- Post #18
- Forum: Headphone Amps (full-size)
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[Amp/Audiophile Noob] What is an amp? What does it do? How Much? Ect.?
Well where/how do you listen right now? I personally have Koss PortaPros for listening to my iPod and a more serious system for home use.- Bobsama
- Post #8
- Forum: Headphone Amps (full-size)
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DT880 Amp Choice
The 250ohm version is equally inefficient but the impedance obviously changes things a bit. The MK II promises 200mW into 120 ohms and 300mW into 300 ohms so you should be fine with power delivery.- Bobsama
- Post #44
- Forum: Headphone Amps (full-size)
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DT880 Amp Choice
For 600-ohm DT880's, 60mW is insufficient. It really depends on the track--some albums (Led Zep II & III especially) I just like to turn it up. I borrowed a Head Box II for about 6 months total and AKG K702s for a month. Neither were really to my liking; the K702s were uncomfortable, the Head...- Bobsama
- Post #42
- Forum: Headphone Amps (full-size)
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Little Dot Tube Amps: Vacuum Tube Rolling Guide
Ok; I got 'em out. I had to take off the brass shield thing and I think I heard something loose in the amp. I heard a slight buzzing from the left channel so I wanted to switch them. I know I swapped the driver tubes but I confused which power tube was left and which was right.- Bobsama
- Post #281
- Forum: Headphone Amps (full-size)
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Little Dot Tube Amps: Vacuum Tube Rolling Guide
Random question: how does one remove the tubes? How are the tubes secured?- Bobsama
- Post #279
- Forum: Headphone Amps (full-size)
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LIttle Dot MKIV as a preamp
Try rolling them--that'd have the most effect when using it as a preamp.- Bobsama
- Post #6
- Forum: Headphone Amps (full-size)
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LIttle Dot MKIV as a preamp
Have you tried rolling the driver tubes?- Bobsama
- Post #4
- Forum: Headphone Amps (full-size)
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Valhalla or LD MK IV SE for HD 650s
It makes Aerosmith sound like angels and Guns N' Roses sound like God. You probably don't want to listen to anyone in the D's, though--new headphone cables make them sound like the Devil himself. Unless you want to cut out $100+ from your budget, I wouldn't bother with cables yet.- Bobsama
- Post #8
- Forum: Headphone Amps (full-size)
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Need advice
It's probably got more to do with the plastics and glues available in China, as well as how the chassis itself is made. My new amp definitely smells like ozone and there is a slight smell besides that. I don't really know what it is--the only difference between bespoke and mass-produced (like...- Bobsama
- Post #5
- Forum: Headphone Amps (full-size)
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Why are headphone amplifiers so expensive?
If you're considering watts per channel dollars, I think you have a point. Ultimately, I think the real contribution is miniaturizing high-quality amps. It's almost cheaper to make a full-sized amp because the tolerances are a bit wider. A lot of boutique manufacturers need to design and build...- Bobsama
- Post #100
- Forum: Headphone Amps (full-size)
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Looking to buy budget Desktop Amp for DT 880s
Yes--just use the Toslink cable. Definitely unplug the 3.5mm-to-RCA cable. The radiator just looks clumsy there. Plus, one could run it as an intake. The heat would be there regardless (watercooling only adds a few watts of power consumption) so there's no harm in using slightly heated air to...- Bobsama
- Post #24
- Forum: Headphone Amps (full-size)
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Need advice
Audio-GD NFB 12.1? You'll have to save a little longer--$215 + s&h. But it's an amp that will last you through college and probably beyond. Source: A recent college graduate.- Bobsama
- Post #3
- Forum: Headphone Amps (full-size)
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Looking to buy budget Desktop Amp for DT 880s
Temporarily, keep using what you've got. Looks like it's hooked up correctly. When you get that Toslink cable, plug it into the port right below the top USB ports. BTW: TX750? Not a bad choice. I've got one in my main. And watercooling? Baaaaad: you should put together an all-internal loop...- Bobsama
- Post #22
- Forum: Headphone Amps (full-size)
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Looking to buy budget Desktop Amp for DT 880s
Well you need a Toslink out. There's usually a port on the motherboard (look for one that glows red) or sometimes it's available via mini-Toslink. If you have neither, some motherboards support a S/PDIF Out header for which you'll need an expansion bracket. Some motherboards don't even support...- Bobsama
- Post #20
- Forum: Headphone Amps (full-size)
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The Little Dot Mk IV / SE Impressions Thread
And that's my Little Dot setup! Works great, sounds good. :beyersmile: I've got 19 hours of music burn-in on it and quite a bit more non-music use (gaming, youtube, etc).- Bobsama
- Post #191
- Forum: Headphone Amps (full-size)
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Pro-ject Headbox II: First impressions
Considering the price of the Pro-Ject ($100-150) at retail, I'd suggest going Chinese with a Zero DAC or Audio-GD NFB 12.1 or Little Dot MK II. All three options cost a little more.- Bobsama
- Post #6
- Forum: Headphone Amps (full-size)
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Best looking tube amp
Ya know, I think my Little Dot MK IV is a pretty damn good looking tube amp.- Bobsama
- Post #733
- Forum: Headphone Amps (full-size)
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Pro-ject Headbox II: First impressions
I used a Head Box Mk II for about 6 months and used 3 very different headphones with it. Sennheiser HD-555's, AKG K702's, and Beyer DT880's. I think this amp's real problem is poor bass control and that crappy potentiometer. I'd hear scratching when the volume was changed and, below 10 o'clock...- Bobsama
- Post #3
- Forum: Headphone Amps (full-size)
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The Little Dot Mk IV / SE Impressions Thread
They were closed for the Chinese New Year. It seemed their shipping company was also out for that--it took a while until I got DHL's tracking information. Once it hit the system, it was on an express route to my front step. Yes, I ordered a MK IV. And no, you may NOT borrow it! :beyersmile:- Bobsama
- Post #187
- Forum: Headphone Amps (full-size)
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Lots of noise w/ brand new Little Dot MKIII! :(
The amp didn't disengage without a source--it's the source that's inducing the interference. That said, I'd be careful about running the amp on a 2-prong--try grounding it. Amen to the LED concern--I'd love diffusers on the front of 'em. You'd think manufacturers would provide 'em but no--few...- Bobsama
- Post #10
- Forum: Headphone Amps (full-size)