Don't no much about the 10A , But I can tell you that SME is a great company to deal with . I've been using the 20-12 for a while and SME has been extremely helpful , patient and enthusiastic in answered all my questions by phone , and even called me back at a latter date to see how things were going and talk audio .
Planing on purchasing the 30-12 this summer to bring my analog equipment in line with the digital sound I'm now getting .
Planing on purchasing the 30-12 this summer to bring my analog equipment in line with the digital sound I'm now getting .