Tube Preamp Reviews

Analog Source: Heybrook TT2 turntable, Rega RB300 tonearm, Koetsu Black/Gold cartridge.
Digital Source: Camelot Merlin/Dragon Pro-2/Uther DAC with Camelot I²S cables and Straight Wire Maestro II interconnects; Sonic Frontiers SFCD-1 with Straight Wire Maestro II interconnects; Audio Alchemy DDS•Pro/DTI•Pro 32/DDE v3 with Audio Magic I²S cables and Cardas Golden Cross interconnects.
Comparison Preamplifier: Klyne 6L3P.
Power Amplifiers: McCormack DNA-1 (one or two), Simaudio Moon W-5, Sonic Frontiers Power-2 (via Cardas Cross or Straight Wire Virtuoso interconnects).
Loudspeakers: Artemis EOS Signature with Bass Module, Apogee Duetta II, Ruark Equinox (via Straight Wire Maestro speaker cables).—Kalman Rubinson