Specifications

Technology Upgrade Audio Equipment 28 5450-7
1224_01
1. Provide self-adhesive labels for each of the speaker wires that come back to the
terminal strip. Attach stickers to the area beside the terminal that the wire is
connected to.
2. All wires terminated to the terminal strip shall have spade lugs attached. Size the
spade lugs for the size wire and size of screw on the terminal strip.
G. When connecting speakers to the amplifiers, ensure the correct polarity throughout the
system.
H. Contractor shall label all the volume, gain, etc., controls on all mixers and processors. The
labels shall be self-adhesive labels. All labels shall specify the device that dial controls. All
labels shall be laser-printed; handwritten labels are not allowed.
I. After connection of the system, the Contractor shall configure all components to ensure the
best sound possible.
1. Contractor shall ensure that the correct speakers are connected to the correct output
of the amplifier. This includes the surround sound processor (if applicable) and
amplifier. contractor shall ensure that connections are made to each speaker.
2. Audio output shall be routed through the digital signal processor (if applicable) to limit
the feedback noise to the speakers. Contractor shall consult with the manufacturer
and ensure that the eliminator has been configured correctly.
3. Where a graphic equalizer is installed, the Contractor shall balance all the signals to
provide the best sound possible. Utilize an acoustical tester.
4. All inputs such as CD players shall be integrated into the system. Utilize mixers and
automatic mixers to combine microphones and other inputs.
5. Contractor shall test each and every input and output of the system. Contractor shall
have the Engineer and Owner present for final testing and system checkout.
J. After installation, the Contractor shall provide as-builts and all component documentation.
3.04 MICROPHONE INSTALLATION.
A. All wired microphones shall be provided with a microphone cord. The cord shall have a
female XLR connector for connection to the microphone, and a male connector for
connection to the wallplate.
1. Each cable shall be a minimum of 15 feet long. For gymnasiums and other locations
where a longer cable may be required, provide a cable no shorter than 25 feet.
2. At each wallplate/floorbox connection to an XLR, provide an engraved lamacoid label
detailing the number of the microphone cable attached to the back of the wallplate.
Stick the label to the wallplate just above the XLR connector.
B. Contractor shall install wireless microphones where shown on the drawings.
1. Wireless receiving units shall be rack mounted.
2. Where the receiving unit is not in the room where the transmitter is located, the
Contractor shall install antenna extensions for each receiver.
3. The antenna shall be mounted in the room where the transmitter is to be located.
Install the extension cables and antenna as per the manufacturer’s recommendations.
4. Where more than 1 receiver is located in the same rack/cabinet, the Contractor shall
install an active antenna consolidator that has the capability to combine up to 4
receivers. This consolidator shall then have antenna extensions located in the room
the users will be transmitting from.
5. Contractor shall be responsible for all cables and connectors needed to connect
antennas.
6. Provide either a handheld wireless microphone or belt pack and lavalier mic with
each wireless receiver. Refer to the drawings for the type of microphone to provide.
a. Contractor shall match the transmitter frequency to the receiver frequency.
b. Where multiple receivers are required, ensure that the frequencies are all
different, and that there will be no interference from the local radio signals
from TV stations.
c. Label each receiver and transmitter for the frequency chosen.