Quick Guide for Beginners
CBT Quick Start Guide
2 
CONTENTS 
Introduction ....................................................................................................................  3 
•  Understanding the Charts 
o  SPL Maps 
o  Frequency Response Charts 
•  Room Sizes Shown 
Example #1 – Flat Listening Plane 
 CBT 50LA ..................................................................................................................... 4 
  CBT 100LA in Broad Setting ...........................................................................................  5 
  CBT 100LA in Narrow Setting  ........................................................................................  6 
  CBT 70J in Broad Setting ............................................................................................... 7 
  CBT 70J in Narrow Setting .............................................................................................. 8 
  CBT 70J+70JE in Broad Setting ....................................................................................  9 
  CBT 70J+70JE in Narrow Setting ..................................................................................  10 
Example #2 – Highly Raked Seating 
  CBT 100LA in Broad Setting .......................................................................................... 11 
  CBT 70J in Broad Setting .............................................................................................. 12 
  CBT 70J+70JE in Broad Setting ....................................................................................  13 
Example #3 – Gentle Rake with Balcony 
  CBT 100LA in Broad Setting .......................................................................................... 14 
  CBT 70J in Broad Setting .............................................................................................. 15 
  CBT 70J+70JE in Broad Setting ....................................................................................  16 
Example #4 – Three-Tiered, Raked, Large Room 
  CBT 100LA in Broad Setting .......................................................................................... 17 
  CBT 70J in Broad Setting .............................................................................................. 18 
  CBT 70J+70JE in Broad Setting ....................................................................................  19 
Design Conclusions ......................................................................................................  20 
•  Vertical Coverage Setting vs. Installation Height 
•  Single vs. Multiple CBT Columns  
o  For Width 
o  For Depth 
•  Front Fill 
•  How Far Each CBT Model “Throws” 










