Pro-Ject Tube Box S2, Starter Amplifier (Various Colors)

€397.95 EUR

Pro-Ject Tube Box S2, Starter Amplifier (Various Colors) - Silver is backordered and will ship as soon as it is back in stock.


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Tube Box S2 is a compact, innovative design entry-level Phono amplifier that will sound ideal with your turntable!

  • Suitable for MM and MC type cartridges.
  • Accurate RIAA equalization.
  • Gold-plated RCA inputs and outputs.
  • Tubes: 2 x ECC83 (12AX 7A).


Innovative miniature sized phono preamplifier with tube output and high end sound!

Tube Box S2 is our very first product to feature a fully discrete circuit design without using any operational amplifiers (OpAmps). It is also the first product to come with replaceable tubes for tube rolling and sound-shaping. This gives the customer many options to choose from and alter the sound signature to his preference. Tube Box S2 will give a full and relaxed laid back sound with lush mids, just like you would expect it from a much bigger high end tube phono pre-amplifier. It offers support for both MM and MC cartridges and comes with many gain settings to be switched on the front panel. Five variable input impedance settings are available to adjust to any MM cartridge, the 47k ohm input impedance setting is fixed and suited for high output MC cartridges. The aluminum/metal casing is adapted to our DS2 line in looks and protects against vibrations and electromagnetic interferences for superior sound.

Features

  • Suitable for MM and MC cartridges
  • Precise RIAA equalization in two parts, passive/active
  • Fully discrete circuit design without OpAmps
  • 2x ECC83 tubes (replaceable)
  • Front-sided Subsonic filter button
  • Front-sided Gain control
  • Ultra low noise circuitry with FET input stage
  • Dual mono circuitry for optimized channel separation
  • Polystyrene capacitors used where possible
  • Gold-plated RCA inputs and outputs
  • External power adapter and multiple internal power supplies
  • Well-filtered high-voltage anode power supply
  • Sandwich alu/metal casing protects from vibrations and electromagnetic interference
  • Available in silver or black

            Specifications

            Tubes 2 x ECC83 (12AX 7A)
            Input impedance 10 ohms, 100 ohms, 1 kohm, 2 kohms
            Input capacitance/impedance 47pF, 147pF, 267pF, 367pF, 487pF and 587pF* / 47 kohms, Together with other input impedance settings without any influence!
            Input gain 40 dB, 43 dB / 50 dB, 60 dB und 63 dB
            Noise floor 80 dB (A weighted) at 40 dB input gain, 75 dB (A weighted) at 50 dB and 63 dB input gain
            THD <0.02% at 40 dB input gain <0.05% at 50 dB and 63 dB input gain
            RIAA-equalization curve accuracy +/- 0.4 dB/20 Hz - 20 kHz
            Subsonic filter at 20 Hz with 18 dB/octave
            Input 1 pair RCA/phono sockets
            Line-level output 1 pair RCA/phono sockets
            Outboard power supply 18 V / 1.000 mA DC, suitable for your country's mains supply
            Power consumption 470 mA DC, <1W in standby
            Dimensions W x H x D with sockets 103 x 73 x 131 mm
            Weight 410 g without power supply

            INSTRUCTIONS

            User Manual (EN).

            Tube Box S2 is a compact, innovative design entry-level Phono amplifier that will sound ideal with your turntable!

            • Suitable for MM and MC type cartridges.
            • Accurate RIAA equalization.
            • Gold-plated RCA inputs and outputs.
            • Tubes: 2 x ECC83 (12AX 7A).


            Innovative miniature sized phono preamplifier with tube output and high end sound!

            Tube Box S2 is our very first product to feature a fully discrete circuit design without using any operational amplifiers (OpAmps). It is also the first product to come with replaceable tubes for tube rolling and sound-shaping. This gives the customer many options to choose from and alter the sound signature to his preference. Tube Box S2 will give a full and relaxed laid back sound with lush mids, just like you would expect it from a much bigger high end tube phono pre-amplifier. It offers support for both MM and MC cartridges and comes with many gain settings to be switched on the front panel. Five variable input impedance settings are available to adjust to any MM cartridge, the 47k ohm input impedance setting is fixed and suited for high output MC cartridges. The aluminum/metal casing is adapted to our DS2 line in looks and protects against vibrations and electromagnetic interferences for superior sound.

            Features

            • Suitable for MM and MC cartridges
            • Precise RIAA equalization in two parts, passive/active
            • Fully discrete circuit design without OpAmps
            • 2x ECC83 tubes (replaceable)
            • Front-sided Subsonic filter button
            • Front-sided Gain control
            • Ultra low noise circuitry with FET input stage
            • Dual mono circuitry for optimized channel separation
            • Polystyrene capacitors used where possible
            • Gold-plated RCA inputs and outputs
            • External power adapter and multiple internal power supplies
            • Well-filtered high-voltage anode power supply
            • Sandwich alu/metal casing protects from vibrations and electromagnetic interference
            • Available in silver or black

                      Specifications

                      Tubes 2 x ECC83 (12AX 7A)
                      Input impedance 10 ohms, 100 ohms, 1 kohm, 2 kohms
                      Input capacitance/impedance 47pF, 147pF, 267pF, 367pF, 487pF and 587pF* / 47 kohms, Together with other input impedance settings without any influence!
                      Input gain 40 dB, 43 dB / 50 dB, 60 dB und 63 dB
                      Noise floor 80 dB (A weighted) at 40 dB input gain, 75 dB (A weighted) at 50 dB and 63 dB input gain
                      THD <0.02% at 40 dB input gain <0.05% at 50 dB and 63 dB input gain
                      RIAA-equalization curve accuracy +/- 0.4 dB/20 Hz - 20 kHz
                      Subsonic filter at 20 Hz with 18 dB/octave
                      Input 1 pair RCA/phono sockets
                      Line-level output 1 pair RCA/phono sockets
                      Outboard power supply 18 V / 1.000 mA DC, suitable for your country's mains supply
                      Power consumption 470 mA DC, <1W in standby
                      Dimensions W x H x D with sockets 103 x 73 x 131 mm
                      Weight 410 g without power supply

                      INSTRUCTIONS

                      User Manual (EN).