Doctor Know Bands Bad Brains Doctor Know Online pickups used by Doctor Know HS-2TM - DP116 Output 90 Bass 5.0 Mid 5.5 Treble 7.5 PAF Pro® - DP151 Output 300 Bass 5.0 Mid 5.0 Treble 6.0 The Tone Zone® - DP155 Output 375 Bass 8.5 Mid 8.5 Treble 5.0