Hey if you're trying usb cables. Look into the BMC usb1 (active) cable.
Synthesis Amplifiers: One of High End's Best Kept Secrets?
Just stopping by to share my enthusiasm for my new Synthesis A100 Titan integrated amplifier. For the past few years, I have been on the hunt for the best integrated amp I could find in my price range. I've had a Line Magnetic 508ia, a Devialet, a Lyngdorf TDAI-3400, a Boulder 866, a Vitus RI-101 mk2, and a Vitus SIA-025 mk2 in the past four or five years. I enjoyed aspects of each of these amps, some related to sonics, some to functionality, and some to build quality.
And yet, in each case, after several months, I found that I wasn't quite getting the sound I wanted--rich, three-dimensional. engaging, and dynamic without being fatiguing. Too often, I found myself picking the sonic picture apart, assessing this or that at the expense of pure musical enjoyment.
I finally decided to give up on my hunt for the "perfect" solid state solution and go back to tubes, which led me to audition the Synthesis A100 Titan, an amp that features an octet of KT66 tubes, a pair of 12AX7, a pair of 12BH7, and even an onboard DAC. I was intrigued by this amp, but found very, very little written about it in the audio forums (here and elsewhere), except the praise of a couple of folks.
I've had it about a month now, so while I cannot give a guarantee that it is my "lifetime amp" in light of my history of amp promiscuity, I can say with absolute assurance that I find this amp far more satisfying and exciting than any of the amps I've had through here over the past few years.
In short, I am just astonished by it. I had assumed that at the very least, the onboard DAC would be inferior to my Lampizator Baltic 3, which is just wonderful in every respect, but as I spend more time comparing, I am not even sure of that anymore. The onboard DAC is so good that I am now planning to try some different USB cables to see how much performance can be squeezed out of it. Very possibly, my excellent Lampi may soon be up for sale.
Just to be clear, this is no ad, and I have no affiliation whatsoever with any dealer or distributor. I just can't believe how good this amp is, and how relatively unheralded it is. So I am heralding. The Titan is a pure pleasure to listen through every night, and a magical match with my Fyne speakers. The presentation is utterly immersive, and spellbinding. I am no longer picking the sound apart. There's no need.
If you are in the market, I highly recommend an audition.
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@waltersalas - Can you explain what is involved with biasing the tubes; I see that it is manual biasing? . Also, who is your dealer?
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It turns out that the biasing situation with the A100 is a bit "mysterious" and complicated. In the specs on the website, it says the amp is "manual" bias for the power tubes, but there is no information otherwise on how or where to adjust the bias. My dealer thought the amp was an autobias design, but that turned out to be incorrect. The tech at Deja Vu Audio--the distributor for Synthesis in the US--told me that the output tubes would need to be biased manually when I change them. He said that most often, the KT66 tubes last about six years. Unfortunately, the Synthesis designer did not make it easy to adjust the bias, so the tech recommended taking the amp to a local repair shop when the KT66 tubes have to be replaced. Not convenient and certainly not ideal, but for me at least, well worth it to own this extraordinary amplifier. If you are especially proficient and knowledgeable, you could probably manage to do this on your own. I'll probably just have my local tech do it when the time comes.
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