This device is unique thanks to its architecture, its transformers and our irrepressible desire to make a device that would finally solve the problem of a truly high quality tube preamp with an optical compressor in the 500 series format. In this model we introduced a supplementary amplification stage and two source follower cascades on FET transistors, which made it possible to equip the device with a compressor circuit. Thus, gain is obtained exclusively with traditional tube amplifier stages in cascade. As a result, you can enjoy the full-bodied sound of a tube amplifier without excessive power consumption.

Compressor parameters can be adjusted using the compression character switch (soft/hard) and the compressor threshold knob. To be able to compensate for the attenuation of the signal after compression, the device has an output signal level knob. And to monitor the operation of the device, it is equipped with LED indicators of the output signal level and the gain reduction level.

These features make the PC502 the most versatile device in our collection.
As with all of our 500 series units, if your rack is overloaded and some modules are not being used in the project, simply turn them off using the microphone impedance selector switches, placing them in the front positions