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MITCHELL
STEREO ANALOG ELECTRONIC CROSSOVER
REVISION P
RB
– DECEMBER 2020
Copyright © 2020, M2Tech Srl
5
TABLE OF CONTENTS
1. Unpacking and Placing the Unit.......................................................................................7
2. Front Panel ......................................................................................................................9
3. Back Panel.....................................................................................................................11
4. Connecting and Powering the Unit.................................................................................13
5. Cleaning the Unit ...........................................................................................................15
6. Trigger ...........................................................................................................................15
7. Theory of Operation .......................................................................................................17
7.1. All-pass Filter...........................................................................................................19
7.2. 1-pole Low-pass Filter .............................................................................................19
7.3. 1-pole High-pass Filter ............................................................................................19
7.4. State Variables Filter (SVF).....................................................................................19
7.5. Gain block ...............................................................................................................20
7.4. Inversion blocks.......................................................................................................20
7.5. Composing blocks to obtain a desired filter configuration .......................................20
8. Configuring the
MITCHELL
................................................................................................21
8.1. Set commands ........................................................................................................22
8.1.1. Set Filter (SF) ......................................................................................... 22
8.1.2. Set Input (SI) .......................................................................................... 23
8.1.3. Set Level (SL)......................................................................................... 24
8.1.4. Set Mode (SM) ....................................................................................... 25
8.1.5. Set Path (SP) ......................................................................................... 26
8.1.6. Set Remote (SR) .................................................................................... 27
8.1.7. Set Standby (SS).................................................................................... 27
8.2. Get commands ........................................................................................................28
8.2.1. Get Configuration (GC)........................................................................... 28
8.2.2. Get Filter (GF) ........................................................................................ 29
8.2.3. Get Input (GI) ......................................................................................... 30
8.2.4. Get Level (GL)........................................................................................ 31
8.2.5. Get Mode (GM)....................................................................................... 32
8.2.6. Get Path (GP)......................................................................................... 32
8.2.7. Get Remote (GR) ................................................................................... 32
8.2.8. Get Status (GS)...................................................................................... 33
8.2.9. Get Version (GV) .................................................................................... 33
8.3. Update commands ..................................................................................................33
8.3.1. Update Start (US) ................................................................................... 33
8.3.2. Update Data (UD)................................................................................... 34
8.3.3. Update End (UE) .................................................................................... 34
8.4. Configuration software ............................................................................................35
9. Specifications.................................................................................................................38
Appendix A: List of Available Configurations in the Configuration Software ......................40
A.1. Without all-pass ......................................................................................................40
A.2. With all-pass ...........................................................................................................42
