Bose 2150 Manuale dell'installatore - Pagina 26

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Bose 2150 Manuale dell'installatore
5.0 Installation
5.2.2 Unbalanced operation (cont.)
For the quick connect terminal block, pin 3 carries the + (hot, non-inverting) side of the
signal, and pin 1 is ground. Short pin 2 to pin 1 in order to reference the input differential
amplifier for the correct gain (see Figure 30).
Note: The gain remains the same whether the input is balanced or unbalanced. However,
if you make an unbalanced connection with a balanced source, there will be a -6dB gain
loss.
Use Class 2 Wiring
For bridged operation.
Consult user manual.
WARNING
RISK OF HAZARDOUS
ENERGY! MAKE PROPER
SPEAKER CONNECTIONS.
SEE OPERATING
MANUAL BEFORE USING.
AVERTISSEMENT
ENERGIE ELECTRIQUE
DANGEREU SE. VOIR
LANOTICE
DE FONCTIONNEMENT.
J20018292
+
RECV
2
3
PN# 1234567
26
INPUT IMPEDANCE 25K OHMS EACH LEG TO GROUND (TOTAL 50K OHMS BALANCED)
SEND
RECEIVE
PUSH
INPUT CH 2
SEQUENCE
2
1
EQUALIZATION
ON
CH1
3
1
CH2
CH2
EQ. OUT
GND(shield)
PUSH
INPUT CH 1
2
1
3
CH1
GND(shield)
November 19, 2001
Figure 30
Quick connect terminal block
unbalanced input connection
AM259107_00_V.pdf