4PRO 1031-A
ACTIVE TWO-WAY SPEAKER
MAIN APPLICATIONS
•
•
•
•
Sound reinforcement systems
Band and vocal PA
DJ PA systems
Small to medium size venue Main PA
MAIN FEATURES
•
•
•
•
•
800 WATT PEAK, 400 WATT RMS
131 dB max spl
90 x 60, Wide dispersion constant directivity horn
10” woofer, 2” voice coil
1” HF driver,1.4” voice coil
ACOUSTICAL SPECIFICATIONS
Frequency response:
50 Hz- 20 Khz
Max SPL:
127 dB
Horizontal coverage angle: 90°
Vertical coverage angle:
60°
Compression driver:
1”, 1.4”v.c.
Midrange:
Woofer:
10”, 2”v.c.
INPUT SECTION
Input connector:
Output connector:
Input sensitivity:
Combo XLR-JCK
XLR
-2 dBu / + 4 dBu
PROCESSOR SECTION
Crossover frequencies:
Protections:
Limiter:
Controls:
1800 Hz
Themel, RMS
Fast limiter
Volume, EQ Shape, Mic/Line
AMPLIFIER
Power supply:
400 Watt
DESCRIPTION
The 4PRO 1031-A is a two-way active bass reflex loudspeaker offering
extraordinary compact size, high output and vocal fidelity.
It provides low distortion and consistent polar response in a flyable
lightweight enclosure.
The 4PRO 1031-A comprises a 10” woofer and a 1.4” voice coil compression
driver that is mounted to a 90° x 60° constant directivity horn.
It integrates a 400 Watt digital bi-amplifiication, a complete electronic
processor section and RCF low distortion, high power transducers. The system
is compact and extremely linear and offers the typical balanced sound of high
level two way systems.
The 90° angle is wide enough to provide coverage of an audience when used
one per side, yet narrow enough to allow displaying of multiple enclosures
without excessive coverage overlap.
The new 10” inch woofer, with 2” voice coil, is the result of the latest
refinementin years of RCF experience in compact speaker design and
manufacture, resulting in an accurate and a tight extended midbass. The
compression driver uses a new 1 dome, with 1,4” voice coil, in front of a low
compression, optimised geometry, radial phase plug. This innovative design is
powered from a high flux magnet offering extreme precision in high frequency
reproduction.
4PRO 1031-A are equipped with a new generation of 400 Watt Digital
Amplifier, 300 Watt for the woofer and 100 Watt for the compression
driver. The result of this is very high output, extremely low distortion and
an incredible natural sound. The amplifier presents both XLR/jack (Combo)
balanced inputs, XLR output link, volume, a switchable EQ Mode (Contour)
and a mic/line switch. The amplifier features a solid mechanical aluminium
structure which not only stabilize the amplifier during transportation but also
assist in the heat dissipation.
The processor section includes active crossover, system equalization,
transducer phase alignment, limiter and protection functions. The system is
visually monitored from 4 status LEDs. All components are housed in a strong
Baltic birch plywood enclosure where high density polystyrene end caps
guarantee the maximum strength.
The front is protected from a strong, powder coated, metal grille. The cabinet
features two comfortable recessed side handles for easy portability.
High frequencies:
Mid frequencies:
Low frequencies:
Cooling:
Connection:
Physical
Height:
Width:
Depth:
Weight:
Cabinet:
Hardware:
Handles:
Pole mount cap
Colour:
100 Watt
300 Watt
Convection
VDE connector IN/OUT
539 mm (21.22”)
320 mm (12.59”)
320 mm (12.59”)
16.7 Kg (36.81 lbs)
Baltic Birch
3 x Flytracks
1 side
yes
Black
4PRO 1031-A
Response -20dBu/1m
120
Beamwidth vs. Frequency
360
Horizontal Beamwidth (1/3 Octave)
Vertical Beamwidth (1/3 Octave)
330
300
110
Coverage Angle (Deg.)
270
dB SPL
100
90
240
210
180
150
120
90
80
60
70
30
20
4PRO 1031-A
100
1000
Frequency (Hz)
10000
Directivity Index and Q
100
0
100
20
5
18
6
-10
-15
-20
4
2
1
100
1000
Frequency (Hz)
5
10000
0
-25
5
0
-5
-5
Normalized Vertical off-axis Response. Below the box
-15
-15
-30
100
10000
-10
-10
-25
1000
Frequency (Hz)
Attenuation in dB
0
-20
Horizontal ±10 degrees
Horizontal ±20 degrees
Horizontal ±30 degrees
Horizontal ±40 degrees
Horizontal ±50 degrees
Horizontal ±60 degrees
-30
100
Normalized Vertical off-axis Response. Above the box
Attenuation in dB
Total Q
Attenuation in dB
8
Directivity index Di, dB
10
Normalized Horizontal off-axis Response
-5
14
10
10000
0
16
12
1000
Frequency (Hz)
-20
Vertical +10 degrees
Vertical +20 degrees
Vertical +30 degrees
Vertical +40 degrees
Vertical +50 degrees
Vertical +60 degrees
-25
1000
Frequency (Hz)
10000
-30
100
Vertical -10 degrees
Vertical -20 degrees
Vertical -30 degrees
Vertical -40 degrees
Vertical -50 degrees
Vertical -60 degrees
1000
Frequency (Hz)
10000
4PRO 1031-A
HORIZONTAL 1/3 POLAR PLOT
Horizontal 1/3 Octave Polars
315
250
200
0°
330°
30°
300°
270°
0
Horizontal 1/3 Octave Polars
-48 -42 -36 -30 -24 -18 -12 -6
270°
90°
0
240°
0
150°
-6 -12 -18 -24 -30 -36 -42 -48
2500
2000
1600
300°
270°
0
Horizontal 1/3 Octave Polars
-48 -42 -36 -30 -24 -18 -12 -6
240°
-6 -12 -18 -24 -30 -36 -42 -48
270°
90°
0
0
5000
4000
3150
120°
-48 -42 -36 -30 -24 -18 -12 -6
240°
150°
Horizontal 1/3 Octave Polars
270°
90°
0
10000
8000
6300
0°
30°
300°
0
60°
-6 -12 -18 -24 -30 -36 -42 -48
-48 -42 -36 -30 -24 -18 -12 -6
240°
120°
90°
0
120°
150°
210°
150°
210°
150°
330°
60°
180°
90°
0
180°
30°
-6 -12 -18 -24 -30 -36 -42 -48
-48 -42 -36 -30 -24 -18 -12 -6
210°
300°
120°
210°
0
240°
0°
330°
60°
-6 -12 -18 -24 -30 -36 -42 -48
270°
90°
0
60°
180°
30°
30°
300°
150°
210°
0°
330°
-48 -42 -36 -30 -24 -18 -12 -6
1250
1000
800
0°
330°
120°
180°
Horizontal 1/3 Octave Polars
Horizontal 1/3 Octave Polars
60°
240°
120°
210°
30°
300°
60°
-6 -12 -18 -24 -30 -36 -42 -48
630
500
400
0°
330°
180°
180°
VERTICAL 1/3 POLAR PLOT
Vertical 1/3 Octave Polars
315
250
200
90°
120°
60°
0
-6 -12 -18 -24 -30 -36 -42 -48
-48 -42 -36 -30 -24 -18 -12 -6
180°
0°
0
300°
-6 -12 -18 -24 -30 -36 -42 -48
2500
2000
1600
150°
180°
0
Vertical 1/3 Octave Polars
-48 -42 -36 -30 -24 -18 -12 -6
210°
0
330°
300°
240°
270°
0
-6 -12 -18 -24 -30 -36 -42 -48
180°
0
210°
5000
4000
3150
60°
330°
Vertical 1/3 Octave Polars
-48 -42 -36 -30 -24 -18 -12 -6
210°
0
330°
300°
240°
270°
300°
10000
8000
6300
90°
120°
60°
30°
150°
30°
-6 -12 -18 -24 -30 -36 -42 -48
0°
0
270°
150°
0°
-48 -42 -36 -30 -24 -18 -12 -6
240°
90°
120°
30°
-6 -12 -18 -24 -30 -36 -42 -48
180°
0°
0
30°
270°
60°
60°
150°
300°
240°
90°
120°
-48 -42 -36 -30 -24 -18 -12 -6
1250
1000
800
90°
120°
330°
270°
Vertical 1/3 Octave Polars
Vertical 1/3 Octave Polars
30°
210°
330°
240°
60°
150°
0
210°
630
500
400
90°
120°
30°
150°
180°
Vertical 1/3 Octave Polars
0°
180°
0
-6 -12 -18 -24 -30 -36 -42 -48
-48 -42 -36 -30 -24 -18 -12 -6
210°
0
330°
300°
240°
270°
0°
1.0-J-F
4PRO 1031-A
PART NUMBERS
13000370 - 230Volt
13000371 - 115 Volt
DimensionS (All data are in mm)
ACCESSORIES
AC DS4X
4 Hooks Kit
AC PMA
Speaker Pole Mount
AC PRO-FS
Professional Loudspeaker Floor Stand
AC PRO-LF
Professional Adapter Sleeve
AC PRO-PM
Pole Mount with Ring Lock
AC S140
Floor Stand for Loudspeakers
AC PMX
Speaker Pole Mount
AC S260
Floor Stand for Loudspeakers
RCF products are continually improved. All specifications are therefore subject to change without notice.
www.rcf.it