I haven't covered much in the way of vacuum tube components this year, but when I heard the new ModWright PH 9.0 tube phono preamp I knew it deserved a more extended listen at home.

Audio Research introduced the PH8 vacuum tube phono preamplifier that benefits from a number of circuit and parts improvements derived from their REF Phono 2. Rather than using the four 6922s of it ...

The C8 Vacuum Tube Preamplifier offers a compact footprint, powered by those four green-glowing 12AX7a valves housed in protective (and striking) cages. McIntosh says the C8 is all about flexibility ...

Posted in classic hacks Tagged 12AU7, audio, audiophile, cathode follower, EZ81, impedance, preamp, vacuum tube ← Hackaday Prize Entry: Microscopy With Blu-ray ...

High-end audio manufacturer McIntosh has announced the launch of two new preamplifiers which, to use its own words, are the company's "latest masterpieces". The C55 solid-state preamp arrives ...

Both sources are connected to a Luxman CL-1000 vacuum-tube preamplifier with a built-in moving-coil phono stage, everything wired with the 15000 series interconnects.

Released in early 2019, the MTI100 is unique because it’s integrated with a lot of additional components — including a 50-watt Class D amplifier, a vacuum tube preamp, a phono preamplifier ...

Tavish Design It may be a tube design, but it didn't sound overly sweet or romantic until I compared it with a solid-state phono preamplifier, the Lehmann Black Cube SE II ($1,149).