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Preamplifiers — Vitus Audio SL-103
Description, images, technical data and specifications
Vitus Audio SL-103
Image source — © Vitus Audio
The SL-103 is a preamplifier from Vitus Audio, built with an exceptionally wide rated bandwidth and high gain. This model represents Vitus Audio's flagship-tier preamplifier engineering, offering serious measured performance consistent with the brand's broader reputation for uncompromising Danish design.
Position in line
It sits alongside the RL-102 and MP-L201 MK.II in Vitus Audio's preamplifier hierarchy, within the brand's flagship electronics range. This positioning alongside closely related Vitus Audio preamplifiers suggests several distinct tiers within the brand's own preamplifier catalogue, each likely differentiated by connectivity and specific circuit refinement.
Key specs that matter
Three balanced and two single-ended inputs are provided, with two balanced and two single-ended outputs. Gain is 90 dBu, an unusually high figure. Rated bandwidth extends to 800 kHz. Signal-to-noise exceeds 110 dB with distortion under 0.01%. At 135 x 435 x 428 mm and 25 kg it is a substantial chassis, consistent with the serious power supply this flagship model carries.
Sound and use context
Expect an extremely wide-bandwidth, high-gain presentation consistent with Vitus Audio's flagship engineering approach - a reference-level performer reflecting the brand's characteristic ambition in preamplifier design specifically.
Pairing
Both balanced and single-ended outputs allow it to partner with either type of power amplifier without adapters, giving genuine flexibility for a mixed-brand system.
Alternatives
The RL-102 and MP-L201 MK.II sit alongside this model in Vitus Audio's preamplifier range as related designs, worth comparing directly on connectivity and specific chassis scale with a specialist dealer before choosing between these closely positioned flagship options. Given the considerable price and scale this preamplifier represents, a dealer demonstration alongside a matching Vitus Audio power amplifier is strongly worthwhile before committing, since the brand engineering philosophy likely shines most clearly in a fully matched system. Vitus Audio relatively small dealer network worldwide means sourcing a specialist familiar with the brand specific voicing is well worth the extra research effort. Overall this remains a serious flagship preamplifier reflecting Vitus Audio characteristic engineering ambition. A dealer visit remains the simplest way to compare current pricing across Vitus Audio preamplifier tiers.
Position in line
It sits alongside the RL-102 and MP-L201 MK.II in Vitus Audio's preamplifier hierarchy, within the brand's flagship electronics range. This positioning alongside closely related Vitus Audio preamplifiers suggests several distinct tiers within the brand's own preamplifier catalogue, each likely differentiated by connectivity and specific circuit refinement.
Key specs that matter
Three balanced and two single-ended inputs are provided, with two balanced and two single-ended outputs. Gain is 90 dBu, an unusually high figure. Rated bandwidth extends to 800 kHz. Signal-to-noise exceeds 110 dB with distortion under 0.01%. At 135 x 435 x 428 mm and 25 kg it is a substantial chassis, consistent with the serious power supply this flagship model carries.
Sound and use context
Expect an extremely wide-bandwidth, high-gain presentation consistent with Vitus Audio's flagship engineering approach - a reference-level performer reflecting the brand's characteristic ambition in preamplifier design specifically.
Pairing
Both balanced and single-ended outputs allow it to partner with either type of power amplifier without adapters, giving genuine flexibility for a mixed-brand system.
Alternatives
The RL-102 and MP-L201 MK.II sit alongside this model in Vitus Audio's preamplifier range as related designs, worth comparing directly on connectivity and specific chassis scale with a specialist dealer before choosing between these closely positioned flagship options. Given the considerable price and scale this preamplifier represents, a dealer demonstration alongside a matching Vitus Audio power amplifier is strongly worthwhile before committing, since the brand engineering philosophy likely shines most clearly in a fully matched system. Vitus Audio relatively small dealer network worldwide means sourcing a specialist familiar with the brand specific voicing is well worth the extra research effort. Overall this remains a serious flagship preamplifier reflecting Vitus Audio characteristic engineering ambition. A dealer visit remains the simplest way to compare current pricing across Vitus Audio preamplifier tiers.
Specifications
Model name
SL-103
Analog inputs (balanced)
3
Analog inputs (single-ended)
2
Analog outputs (balanced)
2
Analog outputs (single-ended)
2
Gain (dBu)
90
Input sensitivity (mV)
8000
Output voltage (V)
N/A
Input impedance (balanced) (Ω)
10 000
Input impedance (single-ended) (Ω)
10 000
Output impedance (balanced) (Ω)
80
Output impedance (single-ended) (Ω)
80
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)
800 000
Signal to Noise Ratio (SNR, unweighted) (dB)
>110
Total Harmonic Distortion + Noise (THD+N) (%)
<0.01
Dimensions (mm)
135 × 435 × 428
Weight (kg)
25
Official link
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