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EUROLIVE SERIES
3.2 BI-AMPING operation
3.2.1 Advantages
BI-AMPING gives you a number of important advantages: lower distortion, greater flexibility of signal transmission
and improved overall system performance.
3.2.2 Selecting the crossover frequency
For operation with an external crossover network such as our BEHRINGER SUPER-X PRO CX2310, please
refer to chapter 6 SPECIFICATIONS for recommended crossover frequencies. We recommend using a slope
of at least 12 dBhigher values will improve performance. A slope of 24 dB is ideal.
3.3 ACTIVE (BI-AMPING)/PASSIVE subwoofer operation
EUROLIVE SERIES subwoofers also feature an integrated crossover. Driven in passive mode, the B1500X
subwoofer perfectly complements our multi-way system B1020, resulting in a compact, well-balanced and
sonically accurate system. If you wish to operate your subwoofer in active mode (switch to BI-AMPING), it can
be combined with virtually any of the remaining EUROLIVE multi-way systems.
+ To ensure optimal performance in combination with the B1020, the polarity of the B1500X
subwoofer has been reversed (180°) in the factory. For operation with any other EUROLIVE
multi-way enclosure, the loudspeaker polarity must be reversed by qualified service personnel.
We designed the B1800X as the perfect subwoofer for the EUROLIVE multi-way enclosures B1220 and B1520.
Of course, the B1800X can also be operated either in passive or active mode.
The foregoing recommendations are only intended to demonstrate the interaction of various EUROLIVE enclosures.
You may, of course, combine enclosures as you like, depending on your personal preferences and applications.
3.4 Looping through subwoofer signals
All EUROLIVE SERIES subwoofers are equipped with two parallel Speakon
®
connectors. Pins 2-/2+ are
directly connected to the loudspeaker. Pins 1-/1+ can be used to loop signals through, while the high-pass
signal is present on pins 1-/1+ (output). Please refer to the instructions in chapter 4.
+ Please note that switching the EUROLIVE subwoofers to BI-AMPING mode moves the input
signal of the loudspeakers to pins 2-/2+. In this case, pins 1-/1+ act as a loop-through!
4. PIN ASSIGNMENTS
Full-range mode Bi-amping mode
Pins 1-/1+ Full-range input Woofer input
Pins 2-/2+ Loop-through HF driver input
Pins 1-/1+
SPEAKON IN: full-range input
SPEAKON OUT: high-pass output
Loop-through
Pins 2-/2+ Loop-through Subwoofer input
Multi-way systems
Subwoofers
B1020,
B/F1220, B/F1520
B1500X, B1800X
Tab. 4.1: PIN assignments
4.1 FULL-RANGE operation
s Use the switch on the rear panel of the enclosure to select FULL-RANGE. To do this, you must first
remove the frame surrounding the switch. (The frame is intended to prevent accidental switching.) Please
remember to replace the frame after changing the operating mode.
s Assign the input signal to pins 1-/1+. In this mode, pins 2-/2+ act as a loop-through.
4. PIN ASSIGNMENTS