I’d rather say excellent condition but it has marks from being slid in and out of racks. It is 26 years old. Serial number indicates made in USA on 8/2000. Works great and has no issues. Check the circuit board- extra thick with solid welds. No burns or overheats anywhere on the circuit board.
Specs:

Core Audio Specs

• Frequency Response (Bypass Mode): 5Hz to 30kHz
• Frequency Response (Process Mode): Program controlled (dynamically adjusts to the signal phase)
• Signal-to-Noise Ratio: 108dB (Process In) / 120dB (Process Out/Bypass)
• Total Harmonic Distortion (THD): Less than 0.1% at 1kHz in Process Mode
• Input Impedance: 47k Ohms
• Output Impedance: Minimum load impedance of 1k Ohms for full output level
• Nominal Input/Output Level: -10dBu
• Maximum Output Level: +16dBu [1, 2]

Connections & Controls

• Inputs: 2 x RCA unbalanced channels [1]
• Outputs: 2 x RCA unbalanced channels [1]
• Front Panel Controls:
• • Lo Contour knob: Boosts/cuts the phase-corrected low frequencies (+12dB at 50Hz).
  • Process knob: Controls the amount of phase-corrected high frequencies (+12dB at 5kHz).
  • Bypass switch: Hardwire function to instantly compare the dry signal vs the processed sound.