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xDuoo TA-26 Tube Headphone Amplifier

xDuoo TA-26 Tube Headphone Amplifier

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Product Description
One look at the Xduoo TA-26 and it’s clear what the point is: delicate, tube-driven audio. The sandblasted, aluminum alloy shell sits in an L-shape on your desk, leaving both tubes fully exposed Read More

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ELUNO
29
Aug 30, 2021
I was planning on getting the DarkVoice, but now this popped up. Has anyone found a good comparison between both?
Bobtom
0
Aug 10, 2021
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ethr
53
Jul 22, 2021
I received my ta26 from apos.audio yesterday 7-20-2021 - running stock buffer tube. Stock gain tube bass is quantity over quality, really sloppy, and the midrange is in your face. I tried a new production JJ, Tung Sol, and ElectroHarmonix 6sn7 and they all hummed crazy loud in the left channel. Swapped in a vintage GE and zero hum and way better sound. Chassis build is really nice. Buyers beware, rolling your 6sn7 tubes is going to be crap shoot.
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ethr
53
Sep 1, 2021
Ok, final update. This is a fantastic amp and which tubes you get are going to determine the level of hum and how long they need to burn before they stop. Just know that going in. I've rolled 5-6 different tubes and the amp is HOF value, highly recommended. The only pattern I found with hum is the newer the tube the more likely they are to hum. If you run 600ohm Beyers you don't need to worry. I'm running T1 Gen 2 and I am in heaven.
Mahim
9
Sep 2, 2021
Darkvoice quality control issues are scary. Hope this is better made. Return/replacement is practically impossible for buyers living outside USA. Getting a faulty unit = money down the drain.
MacCali
2
Jul 18, 2021
What’s the output impedance on this amp? I know some of these tube amps don’t work well with lower impedance headphones and unfortunately my highest is 32-80 ohms
I'm assuming that this is really only good for ~150Ω or higher, like most cheaper priced OTL head amplifiers. Just judging by the pictures of the populated circuit board that xduoo has on their website, xDuoo didn't use large enough capacitors at the output as is required to give good bass response and prevent most of the frequency shifting with low Ω cans. Pretty similar to the DV in that respect, also possibly fixed via modding (just like with the DV). The TA-20 is an awesome amp. I <3 the crap out of mine. One of the most compatible balanced hybrids I've used. I'm personally staying far away from the TA-30. I'm not a terribly big fan of the choice of tube rectification for the high voltage. I mean, sure, in a guitar amp you want the tube rectifier for the voltage sag, especially when pushing into break-up territory. In a head amp it just adds a valve that will fail much quicker than the pair in the preamp, and there is no real gain for the end user other than another source of potential noise in the audio.
MacCali
2
Jul 20, 2021
The only thing that gets me, not sure if it will be the same with this amp like the TA-10R. When you use the output into another amp it doesn’t sound as good as using the headphone out on the unit. It’s something along the line of with it outputting you get like 40% of what the headphones provide in sound quality. So to even purchase and use it with another amp where this is out of the equation is kind of sketchy
scottlu
344
Jul 16, 2021
looks like a better looking darkvoice 336 clone
snowbell
10
Jul 15, 2021
Is this just the 220V version then? The picture shows that but I don't see it anywhere in the specs.
It is like an ugly DarkVoice, but likely built with better components. Too bad it didn’t drop last week, I already ordered one from a vendor on Ali.
donunus
0
Sep 7, 2021
Can you tell me more about how the cheap sp1 sounds? I have hd600s. What is the output impedance vs the xduoo ta26 here?
The cheapo 6P1 OTL amp has pretty sweet mids and treble, but the bass is not even close to as deep as a 6AS7 or 6C19P in OTL. Output impedance is also pretty high, without doing the maths I gustimate in the mid 200s. The TA-26 has similar high output impedance, but if I had to pick between the two, I would absolutely go with the TA-26. That said, the 6P1 amp did sound pretty pleasant on my HD6XX and HD820. I purchased the 6P1 amp on a lark. I have like 600 6П1П-EB tubes and absolutely love them in any position a 6V6 or 6AQ5 would normally go in. At sub-$90 before shipping, it isn't a bad little box especially if one is prone to tinkering or modifying ones tube gear. With a bit of effort and maybe $10 in parts one could modify it from being a 6P1 OTL to a 6C19 or 6H6П OTL.
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(Edited)