Hi I never listened to a Theta dac,however I double the ARC recommendation.I own a DAC-3 tubed and it is very musical,I was told to install NOS Siemens or Telefunken's for further improvement but even with stock ARC tubes it is very good sounding. Best of luck George
the theta model was the generation series v from the late 90's. it was very nice but i prefer the sound of the audio research. it is all about personal preference. i could have easily lived with the theta in my setup. i also auditioned a brand new (a couple of year old model) manley junior dac for a few months. there was a lot of popping and clicking when the cd player started reading a new disc. very annoying. i preferred the sound of the audio research.
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