PZ2 Tech Notes Noisy channel on PZ amplifier at 50 kHz sampling rate Building a custom headstage to use with SI, PZ, IZ, or ACO PZ2/PZ3 Signal inversion Channel 256 on the PZ2-256 Preamp records erroneous data PZ2-128, PZ2-256 preamplifiers show up as PZ2-64 in RZ2 LCD display Alternating banks of channels missing when BioAmp operated at 50 kHz