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Pro-Ject Tube Box S2 MM/MC Phono Preamplifier (Black)

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Overview

Product Information

Model: 9120071658588 | UPC: 844682008684

Specifications

What's In The Box

Product Information

Model: 9120071658588 | UPC: 844682008684

Introducing the Tube Box S2: a premium tube phono preamp designed for both MM and MC cartridges, offering audiophiles a rich, warm sound that enhances any vinyl listening experience.

Features

  • Compatible with MM and MC Cartridges
  • Precise RIAA Equalization (Passive/Active)
  • Fully Discrete Circuit Design
  • Two Replaceable ECC83 Tubes
  • Front-Sided Subsonic Filter Button and Gain Control
  • Ultra-Low Noise Circuitry with FET Input Stage
  • Dual Mono Circuitry for Optimized Channel Separation
  • Gold-Plated RCA Inputs and Outputs

High-Quality Tube Design

The Tube Box S2 features a fully discrete circuit design, eliminating operational amplifiers to ensure superior sound quality. Its hybrid design incorporates tubes in the input and gain stages, delivering a full and relaxed sonic presentation with a blossoming midrange reminiscent of higher-end models. For those interested in customizing their sound, the user-replaceable tubes allow for tube rolling.

Versatile Cartridge Compatibility

This preamp accommodates a wide range of MM and MC cartridges, providing adjustable gain, loading, and capacitance settings to suit various preferences. The front panel includes a subsonic filter button and gain control for easy adjustments, ensuring optimal performance tailored to your setup.

Robust Construction and Noise Reduction

The S2 series' two-layer aluminum and steel enclosure effectively shields the internal circuitry from vibrations and electromagnetic interference, resulting in clearer audio with minimal noise. Additionally, the ultra-low noise circuitry with FET input stage and dual mono design optimize channel separation for an immersive listening experience.

Premium Components and Craftsmanship

Equipped with high-quality polystyrene capacitors and gold-plated RCA inputs and outputs, the Tube Box S2 ensures reliable connections and longevity. Handmade in Europe, it reflects a commitment to excellence in both performance and design.

Specifications

  • Tube assembly: 2x ECC83
  • Input impedance: 10/100/470/1k/2k ohms, fix 47k ohms
  • Capacitance: 50/150/270/370/490/590pF
  • Gain MM/MC: 40/43/50/60/63dB
  • Signal-to-noise ratio: 77dBA
  • HD + N: <0.0025%
  • RIAA curve accuracy: +/- 0.4dB/20Hz - 20kHz
  • Subsonic filter: 20Hz @ 12dB/octave
  • Input/output: 1x RCA/1x RCA
  • Dimensions (W x H x D): 4.05" x 1.45" x 4.68"

What's In The Box

  • Tube Box S2 Phono Preamplifier
  • Power Cord
  • Outboard AC Power Supply
  • Manual
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