APPLICATIONS � GTO301.1, GTO601.1 AND GTO1201.1
The GTO subwoofer amplifiers are
single-channel amplifiers. There are
two sets of terminals to make it easy
to connect multiple woofers. Either
set of (+/�) terminals may be used
when connecting woofers.
To the right are two application
diagrams to help plan your subwooferGTO AmplifierGTO Amplifier
(partial end panel)(partial end panel)
system installation. Figures 2 and 3
show how to configure the GTO
+�+
subwoofer amplifiers (models
�+�
GTO301.1, GTO601.1 and GTO1201.1).
SubwooferSubwooferSubwoofer
NOTE: For simplicity, Figures 2 and 3 Figure 2. GTO subwoofer amplifier with two woofer connections.Figure 3. GTO subwoofer amplifier with one woofer connection.
do not show power, remote and input
connections.
NOTE: Minimum speaker load is
2 ohms.
APPLICATIONS � GTO75.2
The JBL GTO75.2 amplifier can be
set up for stereo or bridged-mono
operation, as shown in Figures 4 and 5.
HP LP FLATHP LP FLAT
NOTE: For simplicity, Figures 4 and 5
do not show power, remote and input
MODEFREQMODEFREQ
connections.
GTO75.2GTO75.2
(partial end panel)(partial end panel)
NOTE: Minimum speaker impedance
for stereo operation is 2 ohms.
+��
Minimum speaker impedance for�++
bridged operation is 4 ohms.
Figure 4. GTO75.2 amplifier set up for stereo operation.Figure 5. GTO75.2 amplifier set up for bridged-
mono operation.
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ACEC
