DATASHEET
23
Appendix
Use only the constant-voltage outputs of the amplifiers (100, 70 or 50 V) and not those with a constant impedance (4, 8 or 16 Ohms): for
correct power sizing of the system refer to the manuals of the amplifiers in question and to the features of the speaker units used.
•
System with dual amplification for separate Speech and Music channels (see point 5.2)
Connect the
MIX OUT
output socket (
27
) to the line input of the amplifier for the
SPEECH
signal.
Connect the
MUSIC OUT
output socket (
26
) to the line input of the amplifier for the
MUSIC
signal.
The output of the
SPEECH
amplifier must be connected in parallel to the
SP
terminals (
17
) and (
22
), while that of the
MUSIC
amplifier must be
connected in parallel to the
M.
terminals (
18
) and (
23
), as shown in the figure.
Always pay great attention to the correct polarities between the amplifier output and the SP and M terminal strips: the 0V line of the amplifier
on the 0 terminals of the panel and the 100V (or 70V or 50V) line of the amplifier on the L terminals of the panel. In the event of incorrect
connection a short circuit could occur on the amplifier output.
•
System with amplification of a single speech channel/music (see point 5.1)
Connect the
MIX OUT
output socket (
27
) to the line input of the amplifier.
The
MUSIC OUT
output socket (
26
) is not used.
The output of the amplifier must be connected in parallel to the
SP
terminals (
17
) and (
22
) and to the
M.
terminals (
18
) and (
23
), as illustrated in
the figure. If background music is not envisaged, it is possible to ignore the connection to the
M.
terminals.
SPEECH
Amplifier
P8136
/
P8236
Units
MUSIC
Amplifier
Section
B
Connections (2)
Use only the constant-voltage outputs of the amplifiers (100, 70 or 50 V) and not those with a constant impedance (4, 8 or 16 Ohms): for
correct power sizing of the system refer to the manuals of the amplifiers in question and to the features of the speaker units used.
CONNECTION OF AMPLIFIERS/SPEAKER UNITS
For connections on the amplifier input side refer to the amplifier manual, keeping in mind that the connection provides signals of the unbalanced type
at line level.
.
100V
70V
50V
8
Ω
0V
0V
0V
BOOSTER
INPUT
Cavo schermato
Shielded cable
100V
70V
50V
8
Ω
0V
0V
BOOSTER
INPUT
70V
50V
8
Ω
0V
0V
0V
BOOSTER
INPUT
100V
0V
Cavo schermato
Shielded cable
Cavo schermato
Shielded cable
