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Nice review dora-motor! I concur with this. The uDAC is anything but neutral sounding. Haha..its just a matter of time before you will be tempted to try out something else or 'upgrade'. Heh. I went from Maverick D1 to my current setup uDAC + LD MK3 combo. Now I'm itching to return to a single DAC+head-amp. The Audio-GD Mini DAC/HP amp looks interesting but quite a hassle to ship it in. Hmm...

No. I meant if you are feeding the DAC output to an amp, the signal from the rear RCAs does not bypass the volume pot.

That is quite cheap since it retails for ~299 USD.

Audio Iconic @ Adelphi carries the NuForce uDAC. Audio Iconic Promo. Take note if you are connecting to an amp via the RCA out, the volume is still controlled by the front volume pot. Anything above 3 o'clock position results in clipping...so I believe it is not a true line-out. I find the sound is a bit colored as well. I have the uDAC connected to an LD MK3 then to my HD650. It sounds really good (maybe because I haven't tried anything better). You may also want to consider Style Audio Carat UD1 or Peridot. If you have the budget, go for the Musical Fidelity V-DAC (available at a retailer @ Adelphi I forgot which one).

I am awaiting the next shipment of the TubeMagic D1 before going down to exchange.

Oic. It is quite weird because I only experienced this in the last 2 weeks. Did not have such problem in my previous 2 sets of portable dac/amps. I had PMed Stereo_Electronics regarding this issue and now waiting for his reply.

Hi, I've been using the TubeMagic D1 as a USB DAC. It is connected to a stereo amp via the tube pre-out. Under normal usage when the DAC is connected to a computer, the internal red LED lights up (USB). Ok, so now the problem I encountered recently is that the red LED will turned off when: 1) Power off the DAC (front power button) when using headphones out. 2) Power off my stereo amp (regardless whether DAC is on/off). This problem is intermittent, occurring roughly 4 out of 5 times. The PC will need to be restarted or simply disconnect and reconnect the USB cable to get back audio. Tried different USB cables but no diff. I used this TubeMagic D1 for around 1.5 months. Is my unit faulty? I do not know what else to check for on my side. Just to add that this is the latest version with the gain setting reduced and pre-out issues apparently fixed. Any help/advice appreciated.