ART Tube MPPSU Tube Microphone Preamp with Universal Power Supply

The ART Tube MPPSU is a tube-based microphone preamp designed for recording musicians, podcasters, and audio engineers seeking warm tube character with modern performance. It allows microphones, instruments, and line-level sources to connect cleanly to mixers, audio interfaces, or PA systems. The compact design and integrated universal power supply make it suitable for studio and live use.

This preamp delivers up to 70 dB of gain and features a fast FET limiter to help prevent overload and distortion. Switchable input impedance supports proper matching with different microphones, while LED metering provides clear visual monitoring of signal levels. Balanced XLR and 1/4 inch connections ensure compatibility with a wide range of professional audio equipment.

Designed with a durable, stackable aluminum chassis, the Tube MPPSU offers reliable long-term performance in demanding environments. Built-in phantom power supports condenser microphones, and additional filtering and phase options expand its versatility. The result is a flexible tube preamp that enhances clarity, warmth, and control in recording and sound reinforcement applications.

Key Features

• Tube Preamp Circuit: Provides warm, musical gain for microphones and instruments
• Universal Power Supply: Internal power supply supports worldwide AC voltages
• High Gain Capability: Delivers up to 70 dB of total gain
• FET Limiter: Fast limiter helps prevent signal clipping
• Phantom Power: Switchable 48 V DC for condenser microphones
• LED Metering: Visual signal monitoring for input and output levels
• Stackable Chassis: All aluminum enclosure designed for durability

Technical Specifications

• Frequency Response: 10 Hz to 40 kHz plus or minus 1 dB typical
• Dynamic Range: Greater than 100 dB from 20 Hz to 20 kHz
• CMRR: Greater than 60 dB typical
• Maximum Gain: Up to 70 dB XLR to XLR, up to 50 dB 1/4 inch to XLR
• Maximum Input Level: Plus 17 dBu 1/4 inch, plus 16 dBu XLR
• Maximum Output Level: Plus 20 dBu 1/4 inch, plus 26 dBu XLR
• Input Impedance: Switchable 4.7 k ohm or 600 ohm XLR
• Phantom Power: Switchable 48 V DC, filtered and current limited