Ashly Power Amplifiers FET-200 Інструкція з експлуатації Посібник з експлуатації - Сторінка 6
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INPUT AND OUTPUT CONNECTIONS
STEREO OPERATION
Connections for stereo operation are shown in figure 4 below.
R
L
V- OUTPUTS ^
MIXING
CONSOLE
+
+
Figure 4
Stereo Operation
INPUTS
The
input
of Asnly amplifiers is a balanced bridging
type,
with
an
input
impedance
of lOk ohms.
Use of the balanced input provides superior hum
and
noise rejection while eliminating ground loops.
The input may also be used in
a single-ended, unbalanced mode by simply using unbalanced input connectors.
Each
channel provides a choice of either 1/4" jacks or XLR input
connectors.
All four connectors are in parallel.
Since only one of the four connectors is
used
as
an
input at any one time,
the others may be used to
jumper
other
amplifiers to the same source.
Signal connections are as follows:
The
(+) or in-phase connection is on the tip of the 1/4" stereo phone
jacks,
and is on pin 3 of the XLR connectors.
The (-) or out-of-phase connection is
on the ring of the phone jacks and on pin 2 of the XLR's.
Chassis ground and
shield is on the sleeve of the 1/4" jacks and pin 1 of the XLR's.
5