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xDuoo TA-66

Physical Product · DACs, amps & players · 7 mentions · 1 subreddit · discussed in r/headphones

Reddit take

Not enough linked mention summaries yet; the source excerpts below are the evidence.

Pros

  • Xduoo TA-66 owner here with a few HD 6x0's. Love the headphone and also what tubes does to them.
  • Also have ta 66 great for dynamic headphones. I swapped tubes on it as well but the stock ones are fine
  • Schiit or JDS (with SYS or Switcher), and xDuoo TA-66
  • Unfortunately I don't have a good way to try 'em before I buy 'em, but the xDuoo TA-66 seems to be a good intro to "true" tube sound without breaking my bank.
  • The TA-66 is a very interesting combo with the HD 650. While it changes a big part of what the HD 800 is by adding a layer of softness and thickness, it kind of makes the HD 650 "More" of what it already is.

Cons

  • The Xduoo TA-66 is a Single-Ended Class A amplifier and cannot provide more current than it draws; tube amplifiers with a Push-Pull configuration or those using an output transformer can provide more current but cannot be used with the L...

Sentiment

6 positive (86%) · 0 mixed (0%) · 1 negative (14%)

Trust + time weighted score: +63% · raw score 71%

What redditors said (7 of 7)

Xduoo TA-66 owner here with a few HD 6x0's. Love the headphone and also what tubes does to them.
positive · u/D****1 · r/headphones · comment · Mar 24, 2026 · open on Reddit ↗
The Xduoo TA-66 is a Single-Ended Class A amplifier and cannot provide more current than it draws; tube amplifiers with a Push-Pull configuration or those using an output transformer can provide more current but cannot be used with the LCD-R.
negative · u/C****1 · r/headphones · comment · Mar 24, 2026 · open on Reddit ↗
Also have ta 66 great for dynamic headphones. I swapped tubes on it as well but the stock ones are fine
positive · u/F****0 · r/headphones · comment · Mar 24, 2026 · open on Reddit ↗
Schiit or JDS (with SYS or Switcher), and xDuoo TA-66
positive · u/F****2 · r/headphones · comment · Feb 23, 2026 · open on Reddit ↗
Unfortunately I don't have a good way to try 'em before I buy 'em, but the xDuoo TA-66 seems to be a good intro to "true" tube sound without breaking my bank.
positive · u/F****2 · r/headphones · comment · Feb 23, 2026 · open on Reddit ↗
The TA-66 is a very interesting combo with the HD 650. While it changes a big part of what the HD 800 is by adding a layer of softness and thickness, it kind of makes the HD 650 "More" of what it already is.
positive · u/V****s · r/headphones · comment · Mar 6, 2026 · open on Reddit ↗
If the amp is a tube amp, the louder you crank the sys (and turn down the TA-66 to compensate), the stronger harmonics you get. So if you're like me and want as much as possible, keep your source at max and attenuate via the TA-66's knob.
positive · u/A****s · r/headphones · comment · Mar 8, 2026 · open on Reddit ↗

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