# Rega Fono MM Mk5 vs U-Turn Pluto 2: specs and price compared

A sourced, side-by-side comparison of the Rega Fono MM Mk5 (Rega) and U-Turn Pluto 2 (U-Turn Audio) among phono preamps.

## Side by side

| Spec | Rega Fono MM Mk5 | U-Turn Pluto 2 |
| --- | --- | --- |
| US price | not published | $129 |
| Brand | Rega | U-Turn Audio |
| Cartridge support | MM only | MM only |
| Gain (dB) | 41.4 dB @ 1 kHz | 40 |
| Snr (dB) | — | 90 dB(A) |
| Riaa accuracy | better than ±0.2 dB (100 Hz - 100 kHz) | ±0.3 dB (20 Hz - 20 kHz) |
| Input capacitance pf | 100 | 100 |
| Subsonic filter | — | Active subsonic filter |
| Thd percent | — | <0.005% (A-weighted) |
| Output level | 200 mV at 1.7 mV input; 200 ohm output impedance | — |

## Key differences

- Gain (dB): Rega Fono MM Mk5 41.4 dB @ 1 kHz vs U-Turn Pluto 2 40
- Riaa accuracy: Rega Fono MM Mk5 better than ±0.2 dB (100 Hz - 100 kHz) vs U-Turn Pluto 2 ±0.3 dB (20 Hz - 20 kHz)

## Sources

- Rega Fono MM Mk5: https://www.rega.co.uk/products/fono-mm-mk5 (rega.co.uk, verified 2026-08-12)
- U-Turn Pluto 2: https://uturnaudio.com/products/pluto-phono-preamp (uturnaudio.com, verified 2026-08-12)

Canonical: https://frontdeskreview.com/gear/phono-preamps/rega-fono-mm-mk5-vs-u-turn-pluto-2/
Cite: Per The Front Desk Review, Rega Fono MM Mk5 (not published) vs U-Turn Pluto 2 ($129) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/phono-preamps/rega-fono-mm-mk5-vs-u-turn-pluto-2/
License: CC BY 4.0.