April 2006 Meeting
April 11, 2006
Time: 7:00 PM
Place: Critical Listening Classroom, Durgin Hall, Room 114, University of
Massachusetts Lowell, 35 Wilder Street, Lowell, MA 01854
Featured Guest: Robert Crowley of Soundwave Research
Topic: The new Crowley and Tripp Ribbon Microphones
Robert J. Crowley (Bob) is the cofounder of Soundwave
Research Laboratories Inc, of Ashland, MA --a medical instrument developer
located in the same facility as Crowley and Tripp Microphones. Bob has designed
transducers for ultrasonic and sonic applications, and has over 100 US and
foreign patents and patent applications, mainly in fields relating to imaging,
sensors, and nanotechnology. In this presentation, Bob will talk about design
goals and methods his group uses to improve the sound quality of microphones.
Examples will include some of Bob's laboratory findings and recent inventions
in ribbon microphones.
There will be a detailed look at how the design goals
are being implemented at Crowley and Tripp, as well as a close up look at
new carbon nanotube array transducers being developed by Soundwave Research
Note that there will be no open forum, only a brief
time for announcements, since this is an AES sponsored meeting.
Directions: Traveling North on Route 3: Take exit
30B to the Lowell Connector and follow the directions below.
Traveling South on Route 3: Take exit 30A for
I-495 North. Immediately take exit 35C for the Lowell Connector and follow
the directions below.
Traveling on I-495 North or South: Take exit
35C to the Lowell Connector and follow the directions below.
From the Lowell Connector: Take the first exit
(Exit 3) off the Lowell Connector to Industrial Avenue. Go right at the
stop sign at the end of the off ramp and proceed to the rotary. Take the
first right off of the rotary onto Industrial Avenue. The first traffic
light is at the intersection with Chelmsford Street (Route 110). Proceed
straight across. Industrial Avenue becomes Stevens Street at this intersection.
Follow Stevens Street for approximately 1.8 miles to the stop sign (this
is one block before the end of Stevens street). Take a right at the David
Chandler Sq. sign onto Middlesex Street. Go less than 1/2 mile and Take
the first left at the blinking light (a 4-way stop) onto Wilder Street (there
is a convenience store on the far right corner). Proceed a short distance
on Wilder through the traffic lights at Broadway. UMass Lowell's South Campus
is ahead and to the left.
Durgin Hall (do not confuse with Dugan Hall) is the
last building on the left on Wilder before the end of the road. There is
limited free parking adjacent to Durgin Hall and a few visitor parking spaces
across Wilder Street. There is a parking lot across Pawtucket Street next
to the river. The meeting is in room 114.