vlad is a prince... one of the nicest most sincere people in the business
i have his 6c33c mono amps as well, love them, he upgraded them from the prior gen for me at a very reasonable cost, then i received one damaged from him in shipping, he then fixed it, made it right at no additional cost
i have since sold his tubador dac, as i have found others dacs a bit better suited to my system, but his mono amps are keepers... just beautiful looking and sounding, and enough real world power for most normal sensitivity speakers...