2. Six 12AX7 vacuum tubes are employed for the first two stage as common cathode amplification and final stage as cathode follower, respectively for two channels.
3. Use of Solen / WIMA MPK10 capacitors, Nichicon Audio capacitors, BHC Averox / Philips BC capacitors, and Dale resistors.
4. Dedicated power and ground rails for tube power and tube filaments.
5. Symmetry in layout design for both channels.