Behringer B2030A ユーザーズマニュアル
9
TRUTH B2031A/B2030A User Manual
4. Installation
The BEHRINGER TRUTH features one balanced XLR and one balanced 1/4" TRS input.
If connecting to other equipment is possible using balanced inputs, always make
such connections because they offer maximal compensation of disturbing signals.
Fig. 4.1:
strain relief clamp
sleeve
tip
sleeve
(ground/shield)
Unbalanced ¼" TS connector
tip
(signal)
1/4" TS connector
Fig. 4.2:
strain relief clamp
sleeve
ring
tip
sleeve
ring
tip
sleeve
ground/shield
For connection of balanced and unbalanced plugs,
ring and sleeve have to be bridged at the stereo plug.
Balanced ¼" TRS connector
ring
cold (-ve)
tip
tip
hot (+ve)
1/4" TRS connector
Fig. 4.3:
output
For unbalanced use, pin 1 and pin 3
have to be bridged
1 = ground/shield
2 = hot (+ve)
3 = cold (-ve)
input
1
2
3
1
2
3
Balanced use with XLR connectors
XLR connectors
5. Specifications
Audio Inputs
B2030A/B2031A
XLR connector
servo-balanced input
1/4" TRS
servo-balanced input
Input impedance
10 kΩ
Max. input level
+22 dBu
Components
B2030A
Tweeter
¾" ferrofluid-cooled dome
Woofer
6 ¾" polypropylene diaphragm
B2031A
Tweeter
1" ferrofluid-cooled dome
Woofer
8 ¾" polypropylene diaphragm
Amplifier
B2030A
RMS @ 0.1 % THD
70 W
Peak power
125 W
B2031A
RMS @ 0.1 % THD
140 W
Peak power
265 W
Crossover
B2030A/B2031A
Type
active, 4th order Linkwitz-Riley
Crossover frequency
2 kHz
System Specification
B2030A
Frequency response
50 Hz to 21 kHz
Sound pressure level
max. 113 dB SPL @ 1 m (pair)
B2031A
Frequency response
50 Hz to 21 kHz
Sound pressure level
max. 116 dB SPL @ 1 m (pair)