4PRO 2031-A
ACTIVE TWO-WAY SPEAKER
DESCRIPTION
The 4PRO 2031-A is a two-way active bass
reflex loudspeaker offering exceptional full
range and accurate reproduction. The 12”
woofer delivers a fast and accurate
reproduction of the midbass frequency range
and controlled deep bass while the 1”
compression driver offers a very open and
natural midrange sound and extreme
precision high frequencies reproduction. The
4PRO 2031-A comprises a 12” woofer and a
1.7” voice coil compression driver that is
mounted to a 90° x 60° constant directivity
horn.
FEATURES
• 1200 WATT PEAK, 600 WATT RMS
• 129 dB max spl
• 90 x 60, Wide dispersion constant directivity horn
• 12" woofer, 2.5" voice coil
• 1" HF driver,1.7" voice coil
DATASHEET
TECHNICAL SPECIFICATIONS
Acoustical specifications
Frequency Response:
45 Hz ÷ 20000 Hz
Max SPL @ 1m:
129 dB
Horizontal coverage angle:
90°
Vertical coverage angle:
60°
Transducers
Compression Driver:
1.0'', 1.75'' v.c
Woofer:
12'', 2.5'' v.c
Input/Output section
Input signal:
bal/unbal
Input connectors:
Combo XLR/Jack
Output connectors:
XLR
Input sensitivity:
-2 dBu/+4 dBu
Processor section
Crossover Frequencies:
1700 Hz
Protections:
Thermal, RMS
Limiter:
Fast Limiter
Controls:
Volume, EQ Shape, Mic/Line
Power section
Total Power:
1200 W Peak, 600 W RMS
High frequencies:
400 W Peak, 200 W RMS
Low frequencies:
800 W Peak, 400 W RMS
Cooling:
Convection
Connections:
VDE
Standard compliance
CE marking:
Yes
Physical specifications
Cabinet/Case Material:
Baltic birch plywood
Hardware:
3 x Flytricks
Handles:
2 side
Pole mount/Cap:
Yes
Color:
Black
Size
Height:
627 mm / 24.69 inches
Width:
380 mm / 14.96 inches
Depth:
380 mm / 14.96 inches
Weight:
23 kg / 50.71 lbs
Shipping informations
Package Height:
668 mm / 26.3 inches
Package Width:
434 mm / 17.09 inches
Package Depth:
434 mm / 17.09 inches
Package Weight:
26 kg / 57.32 lbs
DATASHEET
RCF products are continually improved. All specifications are therefore subject to change without notice.
PART NUMBER
• 13000365
4PRO 2031-A
115V
EAN 8024530009786
• 13000364
4PRO 2031-A
220-240V
EAN 8024530009779
DATASHEET
RCF products are continually improved. All specifications are therefore subject to change without notice.
DATASHEET
DATASHEET
120
Response -20dBu/1m
110
100
dB SPL
90
80
70
20
100
10
Total Q
1
100 1000 10000
100 1000 10000
Frequency (Hz)
Directivity Index and Q
Frequency (Hz)
360
330
300
Beamwidth vs. Frequency
Horizontal Beamwidth (1/3 Octave)
Vertical Beamwidth (1/3 Octave)
270
240
210
180
150
120
Coverage Angle (Deg.)
90
60
30
0
100 1000 10000
20
18
16
14
Directivity index Di, dB
12
10
8
6
4
2
0
5
0
-5
-10
-15
Attenuation in dB
-20
-25
-30
100 1000 10000
Horizontal ±10 degrees
Horizontal ±20 degrees
Horizontal ±30 degrees
Horizontal ±40 degrees
Horizontal ±50 degrees
Horizontal ±60 degrees
Frequency (Hz)
Normalized Horizontal off-axis Response
Frequency (Hz)
5
Normalized Vertical off-axis Response. Above the box
0
-5
-10
-15
Attenuation in dB
-20
-25
-30
100 1000 10000
Vertical +10 degrees
Vertical +20 degrees
Vertical +30 degrees
Vertical +40 degrees
Vertical +50 degrees
Vertical +60 degrees
Frequency (Hz)
5
Normalized Vertical off-axis Response. Below the box
0
-5
-10
-15
Attenuation in dB
-20
-25
-30
100 1000 10000
Vertical -10 degrees
Vertical -20 degrees
Vertical -30 degrees
Vertical -40 degrees
Vertical -50 degrees
Vertical -60 degrees
Frequency (Hz)
4PRO 2031-A
DATASHEET
Horizontal 1/3 Octave Polars
300°
270°
240°
Horizontal 1/3 Octave Polars
300°
270°
240°
330°
330°
210°
210°
180°
180°
0°
30°
60°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
120°
150°
0°
30°
60°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
120°
150°
160
125
100
90°
630
500
400
90°
Horizontal 1/3 Octave Polars
300°
270°
240°
Horizontal 1/3 Octave Polars
300°
270°
240°
210°
330°
330°
210°
180°
0°
180°
315
30°
60°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
120°
150°
0°
30°
60°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
120°
150°
250
200
90°
1250
1000
800
90°
Horizontal 1/3 Octave Polars
300°
270°
240°
Horizontal 1/3 Octave Polars
300°
270°
240°
330°
210°
330°
210°
180°
180°
0°
30°
60°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
120°
150°
0°
30°
60°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
120°
150°
2500
2000
1600
90°
10000
8000
6300
90°
Horizontal 1/3 Octave Polars
300°
270°
240°
300°
270°
240°
330°
210°
330°
210°
180°
180°
0°
0°
30°
60°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
120°
150°
Horizontal One Octave Polars
30°
60°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
120°
150°
5000
4000
3150
90°
90°
4PRO 2031-A
DATASHEET
Vertical 1/3 Octave Polars
150°
180°
210°
Vertical 1/3 Octave Polars
150°
180°
210°
120°
240°
120°
240°
270°
270°
90°
60°
30°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
330°
300°
90°
60°
30°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
330°
300°
160
125
100
0°
630
500
400
0°
Vertical 1/3 Octave Polars
150°
180°
210°
Vertical 1/3 Octave Polars
150°
180°
210°
240°
120°
120°
240°
270°
270°
90°
60°
30°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
330°
300°
90°
60°
30°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
330°
300°
315
250
200
0°
1250
1000
800
0°
Vertical 1/3 Octave Polars
150°
180°
210°
Vertical 1/3 Octave Polars
150°
180°
210°
120°
240°
120°
240°
270°
270°
90°
60°
30°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
330°
300°
90°
60°
30°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
330°
300°
2500
2000
1600
0°
10000
8000
6300
0°
Vertical 1/3 Octave Polars
150°
180°
210°
150°
180°
210°
120°
240°
120°
240°
270°
270°
90°
90°
60°
30°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
330°
300°
Vertical One Octave Polars
60°
30°
-36-36 -30-30 -24-24 -18-18 -12-12 -6-6 00
330°
300°
5000
4000
3150
0°
0°
4PRO 2031-A
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