PreSonus Eureka Channel Strip – Burr-Brown OPA134 Upgraded – Custom Blue LED VU Meter

For sale is my PreSonus Eureka Class-A Transformer-Coupled Channel Strip in excellent working condition. This unit has been professionally modified with Burr-Brown OPA134 audio op-amps and upgraded custom blue LED illumination, including the VU meter and front-panel switches, giving it a unique appearance while maintaining full functionality.

The Eureka is a highly versatile all-in-one recording channel strip featuring a transformer-coupled Class-A microphone preamp, optical compressor, and fully parametric EQ. It is an excellent front-end for vocals, acoustic instruments, bass, voice-over work, and mixing applications.

Modifications & Features

• Burr-Brown OPA134 audio op-amp upgrades
• Custom blue LED VU meter illumination
• Custom blue LED front-panel switch illumination
• Transformer-coupled Class-A microphone preamp
• Variable optical compressor
• Fully parametric 3-band EQ
• Instrument (Hi-Z) input on front panel
• Phantom power, polarity reverse, and pad functions
• Fully tested and operating correctly

Condition

• Excellent cosmetic condition
• All knobs, switches, and meter functioning properly
• Clean faceplate and rack ears
• From a smoke-free studio environment

Included

• PreSonus Eureka Channel Strip
• Power cable

This is a great opportunity to own a unique, upgraded Eureka that stands out from the standard production units. The Burr-Brown op-amp upgrade provides a cleaner, smoother signal path, while the custom blue illumination gives the unit a distinctive studio look.

Feel free to message me with any questions or requests for additional photos.