Discontinued Products
Tube MP
OPL™

The new ART Tube MP OPL™ features ART's OPL™ (Output Protection Limiter), which precisely and accurately controls and maintains the output peak signal. The OPL circuitry is crucial in protecting the next link in a signal chain - such as a hard-disk recording system or a sound card.

The Tube MP OPL features all the functionality of its predecessor, the world's number one Tube Mic Pre, the Tube MP. Whether you're working with a computer, hard-disk, or digital multitrack recorder, the Tube MP OPL's design delivers professional recording studio results at a fraction of the cost of comparable equipment.

The design of the Tube MP OPL allows it to add warmth and fatness to a signal while maintaining exceptionally low-noise and high quality. While its primary application is to be used with a microphone, the Tube MP OPL is an exceptional direct box - impedance matching, amplifying and improving the sound of any instrument plugged into it.

The Tube MP OPL offers superior performance and sound quality to the "on-board" preamps found in today's low-cost mixers and multi-trackers. Professional quality sound combined with professional features like: a 12AX7a Tube, phantom power and Phase Reverse, are what make the Tube MP OPL a great microphone preamp.

The Tube MP OPL can be used in a wide variety of applications including recording, project and home studios, where it's OPL circuit really shines. It also functions as a direct box, with impedance matching and preamplification for line-level sources.

  • Provides Superior Preamplification for: Microphones, Instruments and Line Level Sources
  • Hand Selected 12AX7a Vacuum Tube
  • Provides 70dB of Gain
  • Smooth, Warm and Fat Sound Quality
  • Variable Input and Output Gain Controls
  • Excellent as a Tube DI
  • XLR and 1/4" Inputs and Outputs
  • +48 volts Phantom Power
  • Phase Reversal Switch
  • Superior Sonic Performance to On-Board Preamps
  • TEC-Award Nominated Design (based on the original Tube MP)
  • 1 Year Warranty
Frequency Response 10Hz to 20kHz (+0,-1dB)
Total Harmonic Distortion <0.1% (typical)
CMMR >75dB (typ @1kHz)
Dynamic Range > 100dB (20Hz to 20kHz)
Equivalent Input Noise -129dBu ('A' weighted XLR to XLR)
Input Impedance 2k Ω (XLR), 840K Ω (1/4")
Maximum Gain 70dB (XLR to XLR typical)
Maximum Input Level +14dBu (XLR), +22dBu (1/4")
Maximum Output Level +28dBu (XLR), +22dBu (1/4")
Output Impedance 600 Ω (XLR), 300 Ω (1/4")
Power Requirements 9 VAC @ 700ma (typ)
Dimensions 5.0"D x 5.5"W x 2.0"H
Weight 1.5 lbs
This is beta software, use at your own risk!