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HSG meetings and presentations.

 

November 6, 2012:

 

guest
The group waits avidly as Chair Pittman prepares his remarks.

guest
Robert Margouleff was the guest
of Tom Hilbe. Robert was the engineer on all of Stevie Wonder's records. He's getting the clap in this photo.

guest
 Scott Leslie. Scott's father was Don Leslie.
charles
   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
   Allan Devantier concludes the        presentation.
The topic was Big Sound!; New Technologies for Next Generation Monitoring
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

 

 

guest
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

    hsg                        

                              Allan Devantier proudly displays                                Chair Pittman sits on a chair.
                              his Sapphire Group lapel pin

 

aspen
An esteemed member poses a question for Mr. Devantier during the address.

 

 
GUESTS
General Information
GUEST OF:
DATE:
Peter Chaikin
  
Charles Sprinkle
11/6/12
Steven Clark
  
Bob Katz
11/6/12
Allan Devantier
  
Bob Katz
11/6/12
Kent Huffnagle
  
Brian Ascenzo
11/6/12
Brian Kahanek
  
Neil Citron
11/6/12
Nick Koff
  
Aspen Pittman
11/6/12
Scott Leslie    
Charles Sprinkle
11/6/12
Robert Margouleff    
Tom Hilbe
11/6/12
Sammy Rothman
  
Nathan Bowers
11/6/12