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Tube Box E Phono Preamp - Black

SKU: eq-1954-black
audiophile preamp w/replaceable tube technology, MM + MC compatible
Regular price $399.00
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  • 📌LAB POINTS

    • compact audiophile phono preamp with tube technology
    • great entry level tube phono stage, tubes are replaceable for tube rolling + sound shaping
    • supports both MM and MC cartridges
    • customizable gain settings on front panel
    • front side gain + subsonic filter controls
    • fully discreet circuit design without OpAmps, ultra low noise circuitry
    • gold plated RCA inputs + outputs
    • dual mono circuitry for optimized channel separation
    • high quality metal casing offers shielding from both vibration and electromagnetic interference

    "Tube Box E features a fully discrete circuit design without using any operational amplifiers (OpAmps). This results not only in fantastic low noise phono amplification with clean measurements and accurate RIAA equalization, but also ensures a long product life-cycle as maintenance, service and repair are ensured for years and years to come. It also comes with replaceable tubes for tube rolling and sound-shaping. This gives the customer many options to pick from and alter the sound signature to his preference. Tube Box E 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 preamplifier." - Pro-Ject

    🔎TECH SPECS

    • tubes: 2 x ECC83 (12AX7A)
    • input impedance: 10 ohms, 100 ohms, 1 kohm, 2 kohms
    • input gain: 40 dB, 43 dB / 50 dB, 60 dB und 63 dB
    • noise floor: 77 dB (A weighted) at 40 dB input gain, 65dB (A weighted) at 50 dB and 63 dB input gain
    • THD: <0.02% at 40 dB input gain <0.07% at 50 dB and 63 dB input gain
    • RIAA EQ Curve Accuracy: +/- 0.5 dB/20 Hz - 20 kHz
    • Subsonic filter: at 20 Hz with 18 dB/octave
    • input/output: RCA pair
    • Output Voltage: 18 V / 1.000 mA DC
    • Dimensions (WHD): 4.1 x 2.8 x 5.1 in. / 103 x 73 x 131 mm
    • Weight: 0.99 lbs / 450 g (without psu)

    📦COMES WITH

    • 2x ECC83 tubes (replaceable)
    • power supply
    upc: 9120137900644

📌LAB POINTS

  • compact audiophile phono preamp with tube technology
  • great entry level tube phono stage, tubes are replaceable for tube rolling + sound shaping
  • supports both MM and MC cartridges
  • customizable gain settings on front panel
  • front side gain + subsonic filter controls
  • fully discreet circuit design without OpAmps, ultra low noise circuitry
  • gold plated RCA inputs + outputs
  • dual mono circuitry for optimized channel separation
  • high quality metal casing offers shielding from both vibration and electromagnetic interference

"Tube Box E features a fully discrete circuit design without using any operational amplifiers (OpAmps). This results not only in fantastic low noise phono amplification with clean measurements and accurate RIAA equalization, but also ensures a long product life-cycle as maintenance, service and repair are ensured for years and years to come. It also comes with replaceable tubes for tube rolling and sound-shaping. This gives the customer many options to pick from and alter the sound signature to his preference. Tube Box E 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 preamplifier." - Pro-Ject

🔎TECH SPECS

  • tubes: 2 x ECC83 (12AX7A)
  • input impedance: 10 ohms, 100 ohms, 1 kohm, 2 kohms
  • input gain: 40 dB, 43 dB / 50 dB, 60 dB und 63 dB
  • noise floor: 77 dB (A weighted) at 40 dB input gain, 65dB (A weighted) at 50 dB and 63 dB input gain
  • THD: <0.02% at 40 dB input gain <0.07% at 50 dB and 63 dB input gain
  • RIAA EQ Curve Accuracy: +/- 0.5 dB/20 Hz - 20 kHz
  • Subsonic filter: at 20 Hz with 18 dB/octave
  • input/output: RCA pair
  • Output Voltage: 18 V / 1.000 mA DC
  • Dimensions (WHD): 4.1 x 2.8 x 5.1 in. / 103 x 73 x 131 mm
  • Weight: 0.99 lbs / 450 g (without psu)

📦COMES WITH

  • 2x ECC83 tubes (replaceable)
  • power supply
upc: 9120137900644

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