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Riviera Audio Labs APL1 – a new tube preamplifier announced

20.11.2022 11:00 | ~1 minute read

The Italian company Riviera Audio Labs has introduced a new tube preamplifier APL1. The new preamp offers two balanced XLR inputs, thus being located in the model range one step above the APL10.

The amplification stages in the Riviera Audio Labs APL1 operate in pure class A. Riviera Audio Labs APL1 uses a more powerful power transformer and a capacitor block of the power supply filter. The preamplifier also uses an input transformer circuit for both types of inputs.

The switching capabilities of the Riviera Audio Labs APL1 include two pairs of unbalanced RCA outputs and one balanced XLR output, which can be used simultaneously and with the same gain. The input selector is based on electromagnetic relays.

Riviera Audio Labs equips the APL1 preamplifier with tubes from Slovakian company JJ Electronic, which provide durability and stable characteristics. The dimensions of the Riviera Audio Labs APL1 preamplifier are 44 x 50.5 x 16.4 cm, and the weight is 19.6 kg. We’re waiting information about the release date of the preamp and the recommended retail price.

Riviera Audio Labs APL1 – a new tube preamplifier announcedRiviera Audio Labs APL1 – a new tube preamplifier announced

Specifications

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

Preamplifiers — Riviera Audio Labs APL1

  • Model name

    APL1

  • Analog inputs (balanced)

    1

  • Analog inputs (single-ended)

    4

  • Analog outputs (balanced)

    1

  • Analog outputs (single-ended)

    2

  • Gain (dBu)

    N/A

  • Input sensitivity (mV)

    N/A

  • Output voltage (V)

    N/A

  • Input impedance (balanced) (Ω)

    N/A

  • Input impedance (single-ended) (Ω)

    N/A

  • Output impedance (balanced) (Ω)

    N/A

  • Output impedance (single-ended) (Ω)

    N/A

  • Maximum output level (balanced) (dBu)

    N/A

  • Maximum output level (single-ended) (dBu)

    N/A

  • Volume control range (dBu)

    N/A

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

    N/A

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

    N/A

  • Signal to Noise Ratio (SNR, unweighted) (dB)

    N/A

  • Total Harmonic Distortion + Noise (THD+N) (%)

    N/A

  • Dimensions (mm)

    440 × 505 × 164

  • Weight (kg)

    19.6

  • Official link

Image from https://www.rivieralabs.com/en/products/electronics/apl1/

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