ART TUBEMPPSU Tube preamp, universal power supply

The Tube MP Project Series stands as a professional-grade audio interface facilitating the connection of microphone, instrument, and line level signals to mixers or other audio inputs.

ART meticulously updated every aspect of the design, both internally and externally, while preserving the compact, reliable, and cost-effective nature of the product. From the redesigned all-aluminum stackable chassis to the enhanced precision LED level metering circuitry, ART elevated virtually every aspect of the Tube MP series.

Capable of delivering up to 70dB of clean musical gain and boasting high output signal drive capability, the Tube MP Project Series infuses warmth and character into your mixes, transcending the cold digital realm. Elevate your creativity with the Tube MP Project Series.

ART TUBEMPPSU Features:

• Extremely Low Noise Discrete Front End
• Up to 70dB of Clean, “Musical” Gain
• High Output Signal Drive Capability
• Fast FET Limiter to Prevent Overload
• Switch Selectable Input Impedance
• Precision LED Metering
• Built-in Low Noise Phantom Power Supply
• Compact, Stackable all Aluminum Chassis
• XLR and 1/4″ Inputs and Outputs
• Phase Invert Switch
• High Cut Filter Switch
• Variable Input and Output Controls

ART TUBEMPPSU Specifications:

• Frequency Response: 10Hz to 40kHz, +/-1 dB (typical)
• Total Harmonic Distortion:
• CMRR: > 60dB (typical)
• Dynamic Range: > 100dB (20Hz to 20kHz)
• Equivalent Input Noise:
• Input Impedance: Switchable, 4.7k Ω / 600 Ω (XLR)
• Input/Output Connections:
  • Input: 1/4″ TRS unbalanced (1meg Ω)
  • XLR female balanced.
  • Output: 1/4″ TRS unbalanced (600 Ω)
  • XLR male balanced (
• Maximum Gain: 70dB (XLR – XLR), +50dB (1/4″ – XLR)
• Input Gain Pad: Switchable, 20dB
• Maximum Input Level: +17dBu (1/4″), +16dBu (XLR)
• Maximum Output Level: +20dBu (1/4″), +26dBu (XLR)
• Low Cut Filter: Switchable, -3dB @ 40Hz
• Output Phase: Switchable, Normal/Invert
• Output Limiter Type Switchable, Fast & Musical FET Limiter, > 20dB limit range
• Phantom Power: Switchable, +48V DC, filtered, current limited
• Signal Metering: Precice LED array with a fast attack and moderate release
• Chassis Type: Aluminum Anodized with integral/stackable rubber sides
• Power Requirements: 10VAC @ 700mA (typ)
• Tube Type: 12AX7A hand selected
• Dimensions: 6.5″D x 5.9″ W x 1.75″ H (165mm x 150mm x 44.5mm)
• Weight: 2.5 lbs (1.14 kg)