I believe the Yamaha 801 has a different DAC than the 701. One which does include USB, however differs in the D to A conversion chip. I believe the pre/amp stages are the same. IMO the Yamaha A-Sxxx series represent good value.
The OP wants to downsize not in number of components but in the cost allocated to the integrated. Looking for a line level one.
The OP wants to downsize not in number of components but in the cost allocated to the integrated. Looking for a line level one.