Eton PA 4506, Installation & Operation Manual, Page: 12 / 16

24
Configuration Examples
Tri Mode Operation
In tri mode operation the front and rear channels function in bridged mono operation, thus achieving a higher
exit performance for addressing your front system. The subwoofer also functions in bridged operation.
Attention
The filter multiplier switches (24, 29) should be set to position X1 for the above mentioned
Right
Rear
PA 4506
PA 4506
FUSE
WEICHE
CROS
SO
VER
WEICH
E
CR
OSS
O
V
E
R
Left
Front
12V
switched
SUB
SOURCE UNIT
(DVD)
Filter Selection Tri Mode Operation
Place switch (9) in MONO position.
Place filter switch (21) in ON position
Place filter select switch (22) in HP position
Using the filter controller (23) you can now adjust the transmission frequency from 15 to 300 Hz. The
adjustment is dependant upon the characteristics of your subwoofer and loudspeaker front system.
Place stereo/mono switch (13) in MONO position
Place signal entry switch (14) in REAR position
Place HP filter switch (25) in ON position
Place LP filter switch (27) in OFF position
Using the filter controller (26) you can now adjust the transmission frequency from 15 to 300 Hz. The
adjustment is dependant upon the characteristics of your subwoofer and loudspeaker front system.
Place signal entry switch (19) in FRONT position
Place HP filter switch (35) in OFF position and LP filter switch (37) in ON position
Now adjust the take-over frequency using filter controllers (23,26,38) for the front- and the rear systems as
well as for the subwoofer.
Place the switch (33) for the phase in ON position and adjust the subwoofer phase using controller (34) so
that you receive the best bass impression.
With the bass boost controller (32) you can increase the volume of the 45 Hz frequency up to 12 dB.