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HSE Swiss Audio RL-7 - Swiss Army Knife for Vinyl

According to the company, the HSE Swiss Audio RL-7 is designed for a service life of at least 30 years. The new product uses only high-quality Swiss hand-made components. The RL-7 is based on the same zero-resistance class A operational amplifiers with an ultra-low noise level as the top-line ML-7 model. This guarantees the best possible audio characteristics and a minimum noise level.

HSE Swiss Audio RL-7. Image source - (c) HSE Swiss Audio
HSE Swiss Audio RL-7. Image source - (c) HSE Swiss Audio

The HSE Swiss Audio Reference line 7 phono preamplifier is made in a two-block concept with an external power supply. Hand-selected ALPS Blue Velvet series variable resistors are used as rotary controls. All important electronic components are hand-selected and matched with a deviation of no more than 0.1%. To achieve the most uncompromising sound, only the best components in the industry from ELMA, Goldpoint, NKK, Panasonic, WIMA, Neutrik, Schurter and ALPS are used. The power supply has a powerful toroidal transformer with static and magnetic shielding. HSE Swiss Audio RL-7 offers THD 0.0007% and RIAA accuracy +/- 0.05 dB.

Each unit undergoes a two-week continuous test, during which it is warmed up to achieve the best sound quality. Impedance selector (10 .. 2,530 kΩ & 47 kΩ, 256 position) optimized for industry-leading cartridges from Benz, Lyra, etc. 

Specifications

This product is in the Hi-Fi and High End Electronics and Acoustics database

Phonostages — HSE Swiss Audio Reference line 7 (RL-7)

  • Model name

    Reference line 7 (RL-7)

  • Inputs (balanced)

    2

  • Inputs (single-ended)

    N/A

  • MC current-sensing input impedance (Ω)

    N/A

  • MM/MC voltage input impedance (Ω)

    10 - 2 530 000 & 47 000 (256 position)

  • Output impedance (Ω)

    N/A

  • Gain (dB)

    N/A

  • Playback EQ curves accuracy (dB)

    +/- 0.05

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

    1.5

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

    150000

  • Total Harmonic Distortion + Noise (%)

    0.0007

  • Dimensions (mm)

    247 x 58 x 290 + 247 x 58 x 290

  • Weight (kg)

    2.4 + 2.9

  • Official link

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