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DLA2RF 2 Room Speaker Selector
External Amplifi er
Some systems utilize an external amplifi er for speakers that are connected to the DLA2RF. In
A/V receiver or stereo receiver applications, a line-level output (Tape Loop, Monitor Out, etc.) is
connected to the external amplifi er (See Figure 2-3). In a Pre-Amp/Processor-based system, the
Pre-Amp is connected to the external amplifi er as shown in Figure 2-4.
++--
A/V Receiver
Speaker Outputs
Room 2
Speakers
ATO N
PORT
PATENT
PENDING
PWR IN
12VDC / 2.1A
AMPLIFIER
INPUT
1
IR EMITTER
OUTPUTS
Speaker
Cables
PS3
POWER
SUPPLY
Room 1
Speakers
Speaker
Cables
RF
Base
Line-Level
Inputs
L
R
L
R
++--
L
R
L
R
TAPE
LOOP
IN
OUT
Speaker Outputs
Main
Speakers
Room 1
Speakers
DLA2RF
Amplifier
RCA
Interconnect
Cables
Speaker
Cables
CLASS 2 WIRING
Figure 2-3: External Amplifi er - A/V Receiver Tape Loop Application