User manual

QTA 6000 Series
User Manual
User Manual
Q-Tech Commercial Series
QTA 6060M/6120M/6250M
12
This example utilizes the combining feature of the
Quest mixer amplifiers. The drawing below shows
the equipment connections for two hotel ballrooms,
separated by an operable wall. The hotel needs to
be able to have the audio system operate as one
large unit (wall open) or two discreet systems (wall
closed). As indicated in the example, a BGM CD player
is shared between the two 120W, via a “Y” cable,
connected to input 6 of each mixer amp.
The Bridge terminals of both amplifiers are
connected together, through a DPST switch that
makes (combines) or breaks (separates) the Bridge
connections between the amplifiers. When the switch
is closed, any audio signal into either amp will be
present at both amplifiers’ speaker outputs.
A volume control and DPST switch (see drawing
for clarity) controls the background music level
and turns the music on or off in each room.
For emergency evacuation purposes, a signal
from the hotel’s fire alarm system is connected
to channel 1 of both amplifiers, with the mute
sensitivity adjusted as needed. All other
channels are set for mute receive and will mute
when the siren tone is present on channel 1.
 Dipswitch Settings
 Dipswitch “A” 1-6 2-6 - On
 Dipswitch “B” 1-8
 Dipswitch 1 - (Set To The Required Gain)
 Dipswitch 2 - “Mic”
 Dipswitch 3 - “Mic”
 Dipswitch 4 - “Mic”
Example 2
Example 2 - Hotel Room Combining Using Two QTA 6000 Series