Specifications

Chesapeake College Todd Performing Arts Center Auditorium
Audio System Upgrade
March 20
th
, 2015
Audio Systems 27 41 00-26
c. In both cases, listen carefully for buzzes, rattles and objectionable distortion.
d. Correct all causes of such defects. If cause is not from system, promptly notify the
architect indicating cause and suggested corrective procedures.
5. Equalize all audio systems for maximum gain before feedback in all room configurations.
6. Record all systems settings and include into Systems Operation manuals
G. Qualification Methods
1. Three methods will be used to qualify the Audio system for acceptance.
a. Inspection - A critical observation of qualifying factors, such as quality of
workmanship, equipment placement, routing of cables, adequacy of technical
documentation, etc., that do not lend themselves to demonstration or measurement.
b. Demonstration - A process of showing by reason or evidence that a given condition
clearly satisfies the requirement.
c. Measurement - A process of determining the actual dimension, capacity, or amount
of something, by measuring using calibrated standards.
2. Acceptance of the Work of this Section shall occur after completion of corrections and
adjustments required by “Punch List” (as generated during Demonstration and
Acceptance Testing of Completed Installation).
3. Owner reserves the right to use equipment, material and services provided as part of
Work of this Section, prior to Acceptance, without incurring any obligation to Accept any
equipment or completed systems until Punch List work is complete and systems comply
with Contract Documents.
3.5 SCHEDULES
A. Todd Performing Arts Center Auditorium
1. The Todd Performing Arts Center is a marquee facility and a focal component of the
Chesapeake College campus. The purpose of the work described in this Section is to
modernize, improve, and expand the existing audio system in the Auditorium of the
Performing Arts Center (and associated pre-function area) to meet the needs of a
contemporary, flexible performance environment. Existing equipment, infrastructure,
and some cabling will be utilized where possible, but must be replaced for any
connections which do not pass signal tests.
2. The primary program, speech, and instrument audio reinforcement loudspeaker system
will consist of one (1) centralized line array suspended from the ceiling above the center
of the stage, positioned and angled to provide even audio coverage of the entire
audience seating area, including the balcony. Attached to the rear of this line array
assembly frame shall be two (2) high-powered subwoofer loudspeakers, to provide full
spectrum audio reproduction capability. These loudspeakers will be located in the
general location where the current Altec Lansing loudspeakers are mounted, and will
utilize existing loudspeaker cabling and infrastructure where possible. Coordinate closely
with Bose technical representatives regarding loudspeaker placement and angling, prior
to installation. Develop shop drawings with mounting details to reflect this coordinated
rigging method.