CMB 3.102V - Audio Stimuli - How to calibrate test subject's audio stimuli speaker volume/headphone volume

Use the volume knobs on the front of the subject's stimuli speaker to match the desired calibrated volume with a known good test signal.

You may need test equipment to measure and calibrate.

Use the volume knobs on the front of the subject's stimuli headphone amplifier knob 1 to match the desired calibrated volume with a known good test signal.

You may need test equipment to measure and calibrate.