Tube Preamp Reviews

Analog Sources: Linn Sondek LP12 turntable with Lingo power supply, Linn Ittok tonearm, Spectral moving-coil cartridge; Day-Sequerra FM Reference Classic FM tuner.
Digital Sources: Krell KRC-28 CD transport; Adcom GDA-700, Bryston B100-DA D/A converters; Roku SoundBridge network music player.
Preamplification: Duntech MX-10 moving-coil head amplifier, Margules Magenta FZ47 phono preamplifier; Bryston B100-DA preamplifier section; Krell KCT Current Tunnel, Mark Levinson ML-7A (with L-2 phono section) preamplifiers.
Power Amplifiers: Mark Levinson No.334, Bryston 4B-SST, VTL S-400.
Loudspeakers: Quad ESL-989.
Cables: Digital: Silver Starlight coax. Single-ended interconnect: Randall Research, Mark Levinson HFC (with Camac connectors), Totem Acoustic Sinew, Coincident CST Interface, Ultralink Performance Audio. Speaker: Mark Levinson HFC-10, PSC Pristine R-50 biwired double ribbons, Ultralink Excelsior 6N OFHC, Coincident Speaker Technology CST 1.—Larry Greenhill