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TRI AMP/BI AMP Switch
TRI AMP: Shading network is NOT applied (shading must be
provided by upstream signal processing). Connect the full-
range input signal to pins 1+ and 1-, connect the shaded (pro-
cessed) signal to pins 2+ and 2-. To flip shaded transducer
location, use the MF (UNSHADED) SELECT switch or alter sig-
nal processing. Default MF (UNSHADED) SELECT switch posi-
tion for three way mode is position A; if put in position B,
connections (per Table 1) to LF transducers A and B are inter-
changed.
BI AMP: The “full range” LF input is applied to pins 1+ and 1-
and the -6dB per octave shading network is applied to one of
the LF transducers using the MF (UNSHADED) SELECT switch.
MF (UNSHADED) SELECT Switch
The WideLine is a three way design (shaded, non-shaded and
high frequency) with shading provided by a passive network in
BI AMP mode or upstream signal processing (DSP) in TRI AMP
mode. This allows switch position selection for use as either
“house left” or “house right”, without the need to invert boxes.
BI AMP: The shading switch allows either low frequency
transducer to be selected as the shaded unit (bass only) by
inserting a -6dB per octave network. The switch handle points
to the side of the unshaded (full range) low-frequency trans-
ducer.
TRI AMP: The internal -6dB per octave network in NOT
applied to either LF transducer. Shading is accomplished with
signal processing. The switch handle points to the side of the
non-shaded (full range) low-frequency transducer ONLY IF the
full range signal is applied to pins 1+ and 1- and the shaded
signal to pins 2+ and 2-. Default position for TRI AMP mode is
position A; if put in position B, connections to LF transducers A
and B are interchanged.
MF (UNSHADED) SELECT Switch: TRI AMP Mode
Pins 2+, 2-
Pins 3+, 3- : not used
Pins 1+, 1-
Pins 4+, 4-
HF Transducer
LF Transducer A
LF Transducer B
MF (UNSHADED) SELECT Switch: BI AMP Mode
LF Transducer A
HF Transducer
Pins 4+, 4-
Pins 2+, 2- : not used
Pins 1+, 1-
Pins 3+, 3- : not used
LF Transducer B
-6dB per octave