
Pro-Ject Audio unveils MC Step-Up Boxes DS3 B and S3 for enhancing moving coil cartridges.
DS3 B features Lundahl transformers, balanced XLR connections, and selectable gain for high fidelity.
S3 offers dual mono design, passive amplification, and affordability for entry-level audiophiles.
In a notable advancement in the realm of analogue audio, Pro-Ject Audio Systems, renowned for its contributions to high-fidelity sound, recently unveiled two transformative additions to their product line: the MC Step-Up Box DS3 B and the MC Step-Up Box S3. These introductions mark a new venture for the Austrian manufacturer, reflecting their dedication to enriching the auditory experiences of vinyl enthusiasts across the globe.
MC Step-Up Box DS3 B: Harmonizing Innovation and Fidelity
The DS3 B stands out as a sophisticated choice, crafted for systems embracing balanced turntable connections. It incorporates the highly regarded Lundahl LL1678 audio transformers, adept at capturing and conveying every nuance of sound. The design principle behind this transformer passively increases the output from moving coil cartridges, thus maintaining the purity of the audio signal and lessening the reliance on the phono stage's electrical output.
Highlighted Features:
MC Step-Up Box S3: Bridging Affordability with Quality
The S3, designed as an accessible yet high-performance solution, adopts a dual mono design with a 1:16 transformer ratio. It features gold-plated RCA terminals and accommodates two settings for cartridge impedance, catering to individuals embarking on their high-fidelity audio journey.
Essential Features:
Pricing and Distribution
With the launch of the MC Step-Up Box DS3 B and S3, Pro-Ject Audio Systems continues to blend their historical prowess in audio engineering with contemporary technological advancements. These devices are not merely tools but gateways to an enriched vinyl listening experience, catering to the nuanced needs of today’s audiophiles.

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