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Phonostages — Soulution Audio 755

Description, images, technical data and specifications

Soulution Audio 755
Image source — © Soulution Audio

The 755 is a phono preamplifier from Soulution Audio, built with an exceptionally wide rated bandwidth and very low distortion. Soulution Audio is a Swiss manufacturer with a serious reputation for measurement-focused, no-compromise electronics, and this phono stage represents that engineering ambition applied specifically to vinyl playback.

Position in line

It sits above the 350 phono stage in Soulution Audio's phono range. This positioning above the 350 suggests the 755 represents the brand's more elaborate, flagship-adjacent phono electronics, offering considerably more connectivity and refinement than the more accessible model below it.

Key specs that matter

Three single-ended inputs are provided. MC impedance is switchable across 10-100 ohms; MM across 47-47,000 ohms. Gain is 78 dB for MC and 66 dB for MM. Rated bandwidth is an extraordinary 0 Hz to 1 MHz. Distortion is under 0.002%. At 480 x 167 x 450 mm and 30 kg it is a substantial chassis, consistent with Soulution Audio's flagship engineering approach.

Sound and use context

Expect an extremely wide-bandwidth, low-distortion presentation consistent with Soulution Audio's flagship engineering approach - a reference-level performer built without meaningful compromise for the vinyl-playback category specifically.

Pairing

The switchable MC and MM impedance and gain settings cover most cartridges directly without needing a separate step-up device, a comprehensive single-box solution.

Alternatives

The 350 phono stage sits below this model in Soulution Audio's phono range, worth considering if this model's exceptional bandwidth and connectivity exceed what a specific system and budget require. Soulution Audio relatively small dealer network worldwide means sourcing a specialist familiar with the brand specific engineering is well worth the extra research effort before committing to a purchase at this level. Given the considerable price this phono stage represents, a dealer demonstration with the specific cartridge already owned is strongly recommended before any purchase decision. Overall this remains an uncompromising, reference-tier choice for the most demanding vinyl enthusiast. A dealer visit remains the simplest way to compare this model against the more accessible 350 phono stage. A dedicated ground connection also helps minimise any risk of hum in the analogue signal path.

Specifications

  • Model name

    755

  • Inputs (balanced)

    N/A

  • Inputs (single-ended)

    3

  • MC current-sensing input impedance (Ω)

    N/A

  • MM/MC voltage input impedance (Ω)

    10 - 100 (MC), 47 - 47 000 (MM)

  • Output impedance (Ω)

    2

  • Gain (dB)

    78 (MC), 66 (MM)

  • Playback EQ curves accuracy (dB)

    N/A

  • Frequency response low +/- 3dB (Hz)

    0

  • Frequency response high +/- 3dB (Hz)

    1 000 000

  • Total Harmonic Distortion + Noise (%)

    < 0,002

  • Dimensions (mm)

    480 × 167 × 450

  • Weight (kg)

    30

  • Official link

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