Doctor Know Bands Bad Brains Doctor Know Online pickups used by Doctor Know HS-2TM - DP116 Output 90 Bass 8.0 Low Mid 4.0 High Mid 3.5 Treble 6.0 PAF Pro® - DP151 Output 300 Bass 3.5 Low Mid 4.5 High Mid 4.5 Treble 6.0 The Tone Zone® - DP155 Output 375 Bass 9.5 Low Mid 8.5 High Mid 8.0 Treble 4.0