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RSMaxwell
14
Feb 14, 2018
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this is NOT a balanced amp. to quote the xDuoo website it "[c]an be used as as an amp or [sic] separately or with other equipment to form a balanced HIFI system". later it states "two groups of single-ended input [sic] can also be converted into a balanced output, Effectively [sic] enhance the player's sound quality". Finally under a section titled "Pure balance analog flavour" and sub-titled "Clever combination of 'Tube' and 'Transistor'" it states "from the input to the output all using balance transmission mode, the balance output can vibrate the headphones' diaphragm better".
If you compare this to the TA-20 balanced Amp (not DAC), it explicitly states that it has balanced input and output. The TA-20 also has an LED labeled "balanced" on the front, which is missing from the TA-10. This information -- plus xDuoo confirming that without additional components the TA-10 is single-ended -- I can confirm that this is Single-ended.
Feb 14, 2018
SilentGhost
27
Feb 15, 2018
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RSMaxwellI don't think that your reasoning here is sound- no, the TA-10 does not have a balanced input, but that doesn't at all preclude the analog stage from being balanced- and xDuoo's broken English really cannot be used to make a logical conclusion.
[and unfortunately since does not have a SPDIF input, I'm personally not interested- I prefer to be able to break the ground loop]
Feb 15, 2018
RSMaxwell
14
Feb 15, 2018
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SilentGhostReread what I wrote. Nowhere does it state that because it does not have a balanced input that it is therefore not a balanced output. I was comparing mangled translation of marketing copy.
The TA-20 went out of its way to clearly and unambiguously state it had both balanced input and output. That is unambiguous.
The ta-10 says that the app is balanced between solid state and the amps, plus it can be reconfigured to be used as a component in a balanced system by reconfiguring two inputs so be balanced outputs. Nowhere does it state how to turn the ta-10 into a balanced output system. And, when asked, a rep says that the TA-10 is single ended.
This seems pretty clear and the tpoint was the use of "balance" and"balanced" does not always mean balanced output. If the product had a balanced output, it would have clearly stated it had a balanced output.
Feb 15, 2018
SilentGhost
27
Feb 15, 2018
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RSMaxwellYour argument is with the ambiguity of the marketing copy. I'm not saying that you are wrong, but that a conclusion cannot be made.
Feb 15, 2018
Brosefstalin42
260
Feb 19, 2018
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SilentGhostI'm fairly certain this is one of those "it has an XLR out so putting balanced balanced on it is good for marketing because everyone says balanced output connection instead of 4-pin XLR output" situations. I don't have the eye to tell not the mental fortitude to open it myself without risking ruining it, but if someone can pop the case open and examine the insides, it would be more definitive.
I don't think people are going after this for a full true balanced system. This is more having everything in the cheapest with decent power (Magni 2 level power) all in one for just a little more than a Magni 2 Schiit stack with the ability to roll the tube to change the sound.
Let's think about logistics, though. If there are two/four channels going to the powered out ports, assuming the DAC has 8 channels, plus the SPDIF being two channels, and the single ended outs being one channel each, is that enough to assume a semi-balanced setup via channels? I'd assume you'd want two separate DACs, which at this price I doubt there would be two DAC chips in there (the jotunheim DAC has two of these chips in it and Schiit charges 150, so let's assume 100 for parts and a little extra for labor to put the DAC in the jotunheim so maybe 30 profit off the DAC? I doubt Xduoo is able to make money at this price if they had two DACs inside) Purists will argue for separate DAC chips to handle left and right to truly isolate left and right in a balanced setup. If you can isolate left and right in separate channels on a single DAC chip and have the same result, maybe you could call it balanced if they handle the DAC channels correctly, but the chip is still decoding both left and right, which most balanced purists will call out as not truly balanced. But, if you can separate them with a multi-channel DAC (that's where people with electrical engineering info have to weigh in on if it's possible to still be balanced with a single multi-channel DAC chip and if the Xduoo is wired correctly if it can be) then it's maybe a hybrid balanced if you use the USB port?
Again, I'd argue against it being dual-dac balanced at this price, and only if you can make the DAC to analog internals balanced via a multi-channel DAC chip could you envision it as balanced. I'd just take it for the cheap DAC/tube amp with an XLR port, even though the XLR port doesn't increase the power output.
Feb 19, 2018
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