WIRELESS SYSTEMS / APPLICATION 6
APPLICATION 6 / WIRELESS SYSTEMS
16-channel wireless system using ATW-DA49a
ATW-A49 ATW-A49a
Where more than four wireless systems are required, this solution may be the answer. Typical applications include larger live bands, music festivals featuring multiple acts, theatre productions, larger conferences, and in sports broadcast where wireless microphones are used to collect sounds of the event.
This solution begins with the 4-channel system from Application 4. In this scenario, up to four of the 4-channel racks are used and then they are linked together using one ATW-DA49a UHF Antenna Distribution System, achieving 16 channels of wireless audio. Note: pay special attention to the “star” topology wiring of this example: the top ATW-DA49a feeds the antenna inputs of the following four ATW-DA49a. This means that each antenna signal is passing through no more than two antenna distribution units before reaching the receiver. Also, that the ATW-DA49a’s link output have not been used in this scenario. If only eight channels are required, it is acceptable to use the ATW-DA49a’s link output to pass the signal along to a second ATW-DA49a – the eight receivers then connect via each distributor’s antenna outputs. However, once more wireless systems are needed, it is best practice to implement the star topology given in this example to avoid unnecessary RF signal degradation. This concept is easily scalable, making it ideal for rental companies, or businesses with flexible technical requirements. Several self-contained modules of four-channel systems can be used and then quickly combined using one additional ATW-DA49a, as and when required. Refer to the notes in Application. 1 for advice on specifying cable length, active antennas and boosters in the cable run. This application can be combined with Application 2 and relies on Application 4. Compatible Audio-Technica wireless systems for this solution include the 2000 Series and 3000 Series.
ANTENNA
ANTENNA
ATW-B 80 WB IN-LINE AMPLIFIER
ATW-B 80 WB IN-LINE AMPLIFIE R
ATW-B80WB
RECEIVER
RECEIVER
ATW-DA49a
Channels 5-8
Channels 1-4
Channels 9-12
Channels 13-16
*for 4-channel wiring see Application 4
Equipment used
ATW-A49 ATW-A49a
ATW-B80WB
5 x ATW-DA49a
ANTENNA
ANTENNA
ATW-B 80 WB IN-LINE AMPLIFIE R
ATW-B 80 WB IN-LINE AMPLIFIE R
RECEIVE R
RECEIVER
16 x ATW-R3210
ATW-T3201 ATW-T3201a
ATW-T3202 ATW-T3202a
Product table Quantity Code
Description
Alternative
16 ATW-R3210N Frequency-Agile True Diversity UHF Wireless Receiver ATW-R3210 16 ATW-T3201a 3000 Series Beltpack Transmitter
ATW-T3202a Handheld Transmitter
16 x
or
ATW-DA49a
5
UHF Antenna Distribution System
ATW-A49a
1
Pair of UHF Wide-band Directional LPDA Antennas
ATW-A410P
ATW-B80WB Pair of In-Line RF boosters 470-990MHz
1
AC90
4
90cm RG58 Antenna Cable (Pair)
AC300, AC600, AC1000,AC2000, AC4000
audio-technica wireless systems guide - 47
46 - audio-technica wireless systems guide
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