PreSonus MP20 Mic Pre Jensen Transformer Version with Issue

This used PreSonus MP20 Mic Preamp has Jensen transformers but only has one working channel and includes a Power Cable.

Condition

This preamp has Jensen transformers but Channel 1 does not work. It passes thin quiet audio. Channel 2 sounds great. It's probably a simple fix. This unit is in good cosmetic condition. Please see pictures for item condition.

Product Details

The MP20 was designed to enhance the performance of any console or digital audio workstation by providing two very high-end microphone preamplifiers. The MP20 affords you an amazing choice for the front-end of any analog to digital converter. The MP20 was created utilizing the very best in design parameters and components with a friendly user interface.

• Class-A Discrete, Dual Servo Microphone Preamplifier
• 20dB Pad
• 48V Phantom
• 80Hz Roll-Off Filter
• Polarity Reverse
• IDSS Control - Creates Vintage Warmth by Adjusting Even Harmonic Distortion.
• 12 Segment Level Meter
• High Output Headphone Amplifier
• Identical Technical Specifications as the M80
• Low Impedance Stereo Mix Bus can be used for Full Control Over Stereo Imaging
• Fully Loaded Back Panel Featuring XLR Balanced I/O Connectors as well as Separate Send and Return Jacks for Inserting Dynamics Processors (such as the ACP22)
• 1/4", High Z Input on the Front Panel for Instrument Preamplification
• Mix Output Connectors are XLR Balanced Providing Connectivity for Professional Recording Systems