AUDIO VISUAL SYSTEMS 27 4116-
© BNA Consulting, Inc.
PART 2 – PRODUCTS
2.1 GENERAL:
A. All equipment shall be installed as shown on the drawings and in strict accordance with
the specifications. Any errors, conflicts, or omissions discovered in the specifications or
the drawings shall be submitted in writing to the engineer for clarification. Construction
shall not proceed until questions have been resolved.
B. All electronic equipment shall be new and of current model.
C. Should model numbers used in this specification be retired, provide the manufacturer’s
updated model type and note in submittal the discrepancy.
D. No amplifier shall be connected to a normal load that exceeds 60% of the continuous
rated output. Amplifiers shall power down when the connected zones are not being used,
or not going to be used. Provide a power Sequencer for powering down any AV
equipment, follow proper powering down procedures for all equipment requiring power.
E. All limiters and/or compressors shall be set to prevent operators from over and/or under-
adjusting sound levels.
F. System shall be capable of reproducing voice, and audio from inputs to loudspeakers, as
required. Provide appropriate cables for a complete and working system.
G. System shall have no audible hum, noise, RFI pick up or distortion, when operating under
normal conditions. System shall reproduce material at a level of (80 to 85) dBA without
audible distortion. All input levels shall be pre-set so system may be operated without
going into feedback under normal conditions.
H. Refer to riser diagrams and plans for device and equipment locations.
I. Basis of Design. Provide equipment as specified in section 2.2 for the various audio-
visual systems. Pre-approved manufacturers of audio-visual equipment are as follows:
1. Pre-approved manufacturers of video and/or audio capture, playback, display
equipment, distribution equipment, provided they are equal to specified
equipment, are: AMX, Atlas Sound, Biamp, BSS, Crestron, Denon, Epson,
Extron, Lectrosonics, LG, Panasonic, RDL, Sennheiser, Sharp, Shure, Sony,
SoundTube, and Tascam.
2. Equipment submitted in Bid proposal that have not been approved by Engineer in
writing shall not be accepted and shall be replaced by approved equipment at
contractor’s expense. Equipment not listed within this specification, or contract
documents that is required for a complete and workings system, shall be of
professional grade and used in the same manner as needed for a complete and
working system.
3. All proposed substitutions for equipment specified shall be submitted to engineer,
10 working days prior to bid, proving that it is of equal or better than the specified
equipment including, but not limited to: sound mapping, bit rates, sampling,
bandwidth, resolution etc. Engineer has the final say if it is of equal or great value
over the specified equipment, and may require demonstration of proposed
equipment verses specified equipment at the contractor’s expense.
J. Master quotes do not relieve contractor from preforming their due diligence for equipment
type, quantity, and quantity of room types. Any errors, conflicts, or omissions between the
drawings and/or specifications and master quotes shall be the responsibility of the
contractor to resolve. Master quotes may not have all the equipment to provide a
complete and working system, contract shall be responsible to verify that everything is in
their bid for a complete and working system prior to submitting their bid.
2.2 EQUIPMENT SCHEDULE
A. WEATHER-PROTECTING DEVICE ENCLOSURES:
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