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The Pro-Ject Phono Box S3 B is a premium phono preamplifier designed for audiophiles who want to get the absolute most out of their phono system. Its key advantage is its "True Balanced" design, which uses a symmetrical connection to dramatically reduce noise and interference that can occur when transmitting the delicate signal from the phono cartridge.

Inside, a fully discrete circuit is hidden in a dual-mono layout, meaning the left and right channels operate completely separately. This ensures exceptional stereo imaging, greater clarity and natural, dynamic sound without compromise.

Versatility is one of the biggest features of this device. In addition to classic RCA inputs and outputs, it also offers balanced Mini XLR inputs and XLR outputs. With a wide range of input impedance, capacitance and gain settings, it is compatible with almost any MM or MC cartridge on the market.

The Phono Box S3 B is a compact yet extremely powerful device that brings technology and sound quality from the highest Hi-Fi class to an affordable price range.

Pro-Ject Phono Box S3 B phono preamplifier

€398.00Price
Color
Quantity
    • Type: Balanced phono preamplifier
    • Head support: MM (Moving Magnet) and MC (Moving Coil)
    • Circuitry: Fully Discrete, Dual Mono
    • Inputs: 1x pair of RCA, 1x pair of Mini XLR
    • Outputs: 1x RCA pair, 1x XLR pair
    • Gain settings: 40, 45, 60, 65 dB
    • Input impedance settings (MC): 10, 50, 100, 1k, 47k ohms
    • Input capacitance settings (MM): 50, 150, 300, 400 pF
    • Housing: Steel and aluminum for protection against interference
    • Dimensions (WxHxD): 206 x 55 x 153 mm
    • Weight: 930g
    • Colors: Black, Silver
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