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You can operate each pair of channels in both stereo and mono (3 channel
or tri-mode) at the same time by using highpass filters (bass blockers) on
the higher frequency stereo channels, and a lowpass filter (coil) on the
subwoofers. The frequencies of the chosen highpass and lowpass filters
must not overlap (allow the mids and highs to play the same music as the
subs) or the impedance the amplifier sees at those frequencies will be cut in
half possibly causing it to turn down.
Mixed Mono Output
All multi-channel TUBE DRIVERS are capable of being bridged into a 4-
Ohm mono output without switches or bridging modules.
You can achieve this mono channel by using the left positive (+) speaker
connection and the right negative (-) speaker connection. (Refer to the end
panel drawing on the next page.)
Note: Total bridged impedance of less than 4-ohms may trigger the
protection circuitry causing reduced output and may eventually
damage your amplifier.
Bridging
Sub
Tweeter Tweeter
MidRange
MidRange
Low pass
filter
Highpass
Filter
Bandpass
Filter
Highpass
Filter
Bandpass
Filter
L-L+
R+R-
FRONT
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