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Cambridge Audio
Cambridge Audio Alva Duo
$399
Best Phono Preamps · head-to-head
Cambridge Audio Alva Duo vs U-Turn Pluto 2
A sourced, side-by-side comparison. U-Turn Pluto 2 is cheaper at $129. Every spec and price links to its source.
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U-Turn Audio
U-Turn Pluto 2
$129Cheaper
Which is better: the Cambridge Audio Alva Duo or U-Turn Pluto 2?
On the specs we track, they're closely matched. The U-Turn Pluto 2 is the cheaper at $129.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Cambridge Audio Alva Duo | U-Turn Pluto 2 |
|---|---|---|
| US price | $399 Cambridge Audio USA direct price | $129 U-Turn Audio direct price |
| Brand | Cambridge Audio | U-Turn Audio |
| Released | — | — |
| Cartridge support | MM and MC | MM only |
| Gain (dB) | MM: 39 dB; MC: 60 dB @ 1 kHz | 40 |
| Snr (dB) | MM: >90 dB; MC: >70 dB (grounded inputs, 20Hz-20kHz, ref 1V output) | 90 dB(A) |
| Riaa accuracy | ±0.3 dB (30 Hz - 20 kHz) | ±0.3 dB (20 Hz - 20 kHz) |
| Input capacitance pf | 100 | 100 |
| Subsonic filter | Yes | Active subsonic filter |
| Thd percent | MM: <0.0025%; MC: <0.20% (1kHz, 20Hz-20kHz bandwidth, THD+N) | <0.005% (A-weighted) |
| Output level | 300 mV nominal | — |
Sources — Cambridge Audio Alva Duo: cambridgeaudio.com (verified 2026-08-12). U-Turn Pluto 2: uturnaudio.com (verified 2026-08-12).
What's the difference between the Cambridge Audio Alva Duo and U-Turn Pluto 2?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- Cartridge support: Cambridge Audio Alva Duo MM and MC vs U-Turn Pluto 2 MM only
- Gain (dB): Cambridge Audio Alva Duo MM: 39 dB; MC: 60 dB @ 1 kHz vs U-Turn Pluto 2 40
- Snr (dB): Cambridge Audio Alva Duo MM: >90 dB; MC: >70 dB (grounded inputs, 20Hz-20kHz, ref 1V output) vs U-Turn Pluto 2 90 dB(A)
- Riaa accuracy: Cambridge Audio Alva Duo ±0.3 dB (30 Hz - 20 kHz) vs U-Turn Pluto 2 ±0.3 dB (20 Hz - 20 kHz)
- Subsonic filter: Cambridge Audio Alva Duo true vs U-Turn Pluto 2 Active subsonic filter
- Thd percent: Cambridge Audio Alva Duo MM: <0.0025%; MC: <0.20% (1kHz, 20Hz-20kHz bandwidth, THD+N) vs U-Turn Pluto 2 <0.005% (A-weighted)