Pro-Ject Tube Box DS3 B, a dual-mono MM/MC tube phono preamplifier with balanced XLR inputs and outputs. It takes two turntables and stores the settings of each input.
Pro-Ject Tube Box E, a tube phono preamplifier for MM and MC cartridges in the compact E-line format. Its two replaceable ECC83 tubes give a full and relaxed sound.
Pro-Ject Phono Box RS2, a fully balanced and fully discrete dual-mono MM/MC phono preamplifier. Load impedance adjustable during playback and gain from 40 to 70 dB match it closely to each cartridge.
Pro-Ject Phono Box S2 Ultra, a fully discrete MM/MC phono preamplifier with no operational amplifiers. Four gain levels and switchable loading suit most cartridges.
Vincent Audio PHO-300 phono stage, switchable between MM and MC. Its power supply sits in a second case to keep the transformer away from the audio circuits.
The pH 30.3 is a switchable phono preamplifier between mobile magnet cells and mobile coil. It brings a subsonic filter, a RIAA correction in class A and three charge adapters of 100, 200 and 1000 ohms.
The Alva Duo is a phono preamplifier compatible with mobile magnet cells and mobile coil. It incorporates a 6.35 mm helmet amplifier, a subsonic filter and an automatic shutdown.
Pro-Ject Phono Box, a phono preamplifier for MM or MC cartridges, connected to the line input of the amplifier. A compact classic with an MM/MC selector on the rear panel.
Unison Research Simply Phono, a stereo valve phono preamplifier for MM and high-output MC cartridges. Four ECC83 valves in pure class A, passive RIAA equalisation and a power supply in a separate enclosure.
Unison Research Phono One, a stereo valve phono preamplifier for MM and high-output MC cartridges. Five ECC83 valves in pure class A, passive RIAA within ±0.1 dB and selectable input impedance.