Fully discrete 500 Series stereo compressor

• Input impedance 20k
• Minimum load impedance 600 ohms
• Stereo
• Fully Class-A
• Discrete audio path
• Discrete gain cells from Mastering Compressor
• Sidechain Filter Matrix from Optograph
• Swiss made discrete attenuators
• Military Spec build quality
• Meets the specifications of the VPR Alliance