Specifications

Technology Upgrade Classroom Audio 28 5350-3
1224_01
L. Digital to Analog Audio converter. Contractor shall test this connection prior to ordering all
devices or changing from the audio cable shown.
1. Install and connect to power
2. Provide all patch cords for input and output
3. Connect and test audio.
3.05 SPEAKER INSTALLATION
A. Ceiling speakers shall be mounted flush with the ceiling.
1. Ceiling speakers shall be installed into the existing ceiling tiles. Contractor shall cut
each ceiling tile and install the speaker with the tile bridge.
2. Contractor shall work with the Owner to locate all speakers where other equipment
will not impede the installation.
3. Where the manufacturer provides a T-bar support for the speaker, the Contractor
shall install the support in drop ceiling installations.
4. Speaker wire shall not lie on the ceiling. All speaker wire shall route through J-hooks.
5. The Contractor shall leave a coil of speaker wire in the ceiling to allow lowering of the
speaker for maintenance and removal.
6. The Contractor shall work with the manufacturer to determine the best layout of the
speakers, and shall submit that layout for review prior to installation.
7. After installation the entire system shall be tested, and it shall be demonstrated that
each speaker is connected and in good working order.
8. It shall be further demonstrated that all audio can be easily heard throughout each
room where speakers have been installed.
B. Surface speakers shall be mounted to the building structure and aimed to cover the room.
1. Contractor shall work with the Owner to locate all speakers where other equipment
will not impede the installation.
2. Speaker wire shall not lie on the ceiling. All speaker wire shall route through J-hooks.
3. The Contractor shall leave a coil of speaker wire in the ceiling to allow lowering of the
speaker for maintenance and removal.
4. The Contractor shall work with the manufacturer to determine the best layout of the
speakers, and shall submit that layout for review prior to installation.
5. After installation the entire system shall be tested, and it shall be demonstrated that
each speaker is connected and in good working order.
6. It shall be further demonstrated that all audio can be easily heard throughout each
room where speakers have been installed.
3.06 MICROPHONE INSTALLATION
A. Wireless microphones shall be installed to serve the entire room areas where they are
installed.
1. Locate the antenna’s for all wireless microphones so that the signal will be picked up
from anywhere in the room that the microphone serves.
2. Coordinate all outside and interior signals with any wireless microphone channels so
that there is no interference.
3. Connect the wireless microphone base receiver to the input on the amplifier/mixer.
3.07 AUDIO System
A. The entire audio systems shall be configured to be a complete working system.
B. The Contractor shall label each speaker cable at each end with a wrap around label that has
been laser printed.
1. The Contractor shall give each speaker wire a separate designator. The Engineer
shall approve the proposed numbering prior to printing the labels.
C. Each component shall be labeled for what it does and what it provides. Labels shall be laser
printed, and shall be attached to the front of each unit.
1. For example, the amplifier in a cabinet may be marked “Microphone Amplifier-First
Floor Hallway.”