1NDi4 1NDi4’s tracks 01 - Output Impedance by 1NDi4 published on 2016-01-28T23:12:10Z 02 - Polarity by 1NDi4 published on 2016-01-28T23:12:10Z 03 - Electromagnetic Hum Sensitivity by 1NDi4 published on 2016-01-28T23:12:09Z 04 - Recommended Input Load Impedance by 1NDi4 published on 2016-01-28T23:12:09Z 05 - Switch by 1NDi4 published on 2016-01-28T23:12:08Z