Notifier DAX - Page 34

34 DAA2 & DAX — P/N 53265:A1 8/24/2011
DAA2 Digital Audio Amplifiers DAA2 Installation

In Normal (NAC) Mode
When a DAA2’s Riser Mode is programmed N
ORMAL (NAC) (refer to the DVC Digital Voice
Command manual for programming description), the amplified signal from the DAA2 may be
connected directly to speakers. Following are illustrations of Class A and Class B configurations
(Figure 2.20).
Figure 2.20 Normal Riser Mode Class Configurations
Two DAA2 Class A (Style Z) Circuits
Four DAA2 Class B (Style Y) Circuits
20k ohm end-of-line
resistor,
p/n ELR-20K
High-level Return
High-level Out
R-10K
R-10K
High-level Return
High-level Out
20k ohm end-of-line
resistor,
p/n ELR-20K
20k ohm end-of-line
resistor,
p/n ELR-20K
20k ohm end-of-line
resistor,
p/n ELR-20K
High Level Return
R-10K
High-level Out
20k ohm end-of-line
resistor,
p/n ELR-20K
20k ohm end-of-line
resistor,
p/n ELR-20K
One DAA2 Class A Circuit, Two Class B Circuits
TB10
TB11
TB12
TB13
SHIELD
OUT 1
SHIELD
OUT 2
SHIELD
OUT 3
SHIELD
OUT 4
TB10
TB11
TB12
TB13
SHIELD
OUT 1
SHIELD
OUT 2
SHIELD
OUT 3
SHIELD
OUT 4
TB10
TB11
TB12
TB13
SHIELD
OUT 1
SHIELD
OUT 2
SHIELD
OUT 3
SHIELD
OUT 4