Charles Sprinkle begins
the presentation. 
Member Charles Sprinkle along with Guest
Allan Devantier, one of Harman's brilliant engineers who worked
along with Dr. Floyd Toole at Harman's Northridge, CA facility
gave the presentation at the November 6th Hollywood Sapphire Group
Meeting. 
Allan Devantier concludes
the presentation. 
Background: Large
Format Monitors
Use Case
Performance Requirements
New Technologies to Meet Design Challenges
Low Frequency Transducer
Low TCR Wire
Dual Gap, Dual Nd Magnet Motor
Cone Geometry Optimization
High Frequency Compression Transducer
Dual Diaphragm Compression Driver
Extended Frequency Range
Higher Output
Lower Distortion
High Frequency Waveguide / Horn

Charles Sprinkle demonstrates some
of the components of their new
monitor configuration to Michael
Boddicker, Joe Sidore and 
Pattern
Control in Orthogonal and Oblique Planes
New Design Methodology
Extended Upper pattern Control Frequency Smooth Frequency
Response
Optimized Directivity Transition to Woofer
System Integration
DSP / Active Crossover and EQ
Directivity Index Optimization
Frequency response optimization
Results / Discussion
Frequency Response / Directivity SPL / Dynamic Range 