Received the Majikbuss, thanks Greg! This appears to be one of the early units as the serial number is GR001! I have wanted to try one of Dave's buss units for a long time, now I wish I had made it happen sooner. I am currently running a Bottlehead Stereomour (built as a power amp) driving GR Research V1s. With the BH amp and the two servo amps all working together I have always had a slight hum out of these speakers, it was subtle but could be heard from the listening seat (5' away) when no music was playing. Over the years I have tried various things to eliminate this hum to no avail.
I plugged the BH, the two servo amps, and a Oppo DVD/SACD player into the MajikBuss, powered up and...bummer, the hum is still there. So I decided to adjust the hum pots on the BH and VIOLA!, no hum at all, even with my ear stuck in the V1 coax driver!! Prior to getting the Majikbuss the hum pots would only get the hum down to what I considered acceptable levels. This alone made this a great deal for me.
Thanks Dave for designing and building a great product. Thanks Greg for offering this up to help out Gary.
Best,
Ed