Transcript
NXL24-A ACTIVE TWO-WAY ARRAY
DESCRIPTION The NXL 24-A is an active column speaker array system composed by 4 x 6” high power woofers and a 2.5” voice coil compression driver loaded from a waveguide on a 100° x 30° constant directivity horn. This particular design permits coherent sound dispersion minimizing lobing in a very compact enclosure. The wide coverage horizontal angle and the controlled vertical dispersion allow correct sound reproduction serving a wide area and assistance in limiting feedback and reverberated sound. The amplifier delivers 1400 Watt and is controlled by a DSP that takes care of crossover, equalization, phase alignment, soft limiting and speaker protections. Equalizations are available to operate with a single column or in pairs. At the core of NXL 24-A design is the new ND 640 compression driver loaded from a waveguide to a constant directivity 100° x 30° horn. The ND 640 large format compression driver is one of the key advantages of the NXL 24-A, the 2.5” voice coil allows a crossover point of 800Hz and therefore almost all of the vocal range can be produced by this driver. This allows better coverage and dispersion control, and superior efficiency. All Compression drivers and Transducers are precision built taking advantage of RCF’s superior moulding, assembly technologies and a wealth of professional knowledge and experience dedicated to achieving extremely high standards. The NXL 24-A is powered by a 1400W peak power digital amplifier, split 400W for the HF and 1000W for the LF. A new generation DSP handles all the processing within the cabinet and allows adjustment for a single column application or HF close coupling application NXL 24-A amplifier deliver ultra fast attack, realistic transient response and impressive audio performance. It presents SMPS power supply section in order to produce maximum output and minimum transportation weight. A useful Mic/Line switch to adjust the input sensitivity is provided. When used just for speech, the Mic setting allows to use a microphone directly with the speaker. Set the selector to Line when using the speaker for live music or playback. An easy to reach volume knob on the back allows to set the overall volume of the speaker according to its application. 3 status LEDs – Power / Signal / Status are provided for monitoring the system. Using its accessory is possible to fly 2 NXL 24-A in HF close coupling configuration with a choice of three possible angles (0°, 15°. 20°). It is also possible to pole mount the system and thanks to a second pole mount on top of the cabinet it is possible to couple two of them The cabinet is equipped with four rubber protections and two aluminum side handles for rental use and easy transportation. NXL 24-A cabinets are in Baltic Birch Plywood enclosure with internal structural metal bracings offering the maximum reliability and strength for an intensive use.
MAIN APPLICATIONS • • • • •
Live Sound Portable PA Performance venues Houses of worship Voice reinforcement
MAIN FEATURES • • • • • • • • •
1400 Watt 131 dB max SPL 65 Hz 20 kHz frequency response 4 x 6” Woofers 2.5” voice coil RCF Precision C. Driver on waveguide 100° x 30° slightly tilted pattern control DSP controlled Input section with single or dual eq. preset Pole mountable, Stackable, Flyable Baltic Birch Plywood enclosure with internal structural metal bracings
NXL24-A Response -10dBu/2m
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
NX L24-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
NXL24-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
0
Horizontal 1/3 Octave Polars
-6 -12 -18 -24 -30 -36 -42 -48
-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°
60°
300°
0
-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°
300°
270°
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
0
Vertical 1/3 Octave Polars
-6 -12 -18 -24 -30 -36 -42 -48
-48 -42 -36 -30 -24 -18 -12 -6
210°
0
330°
300°
240° 270°
180°
0°
0
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°
150°
180°
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°
NXL24-A 1.0-J-F
ACCESSORIES
PART NUMBERS 13000399 - 230VOLT
FLY BAR NX L24-A
Fly bar kit for NX L24-A
13000400 - 115 VOLT
AC S140
Aluminium speaker floor stand with folding base and telescopic rod, tube diameter 35mm. Load capacity up to 40kg, Weight 2.7 Kg, H MIN/MAX 140cm/214cm. Length once folded 107cm
FLY LINK KIT NX L24-A
Accessory to link a second NXL24 to a flying NXL 24-A (straight or 2 angles)
POLE MOUNT KIT NX L24-A
Pole mount accessory for stacking 1 x NXL24 on SUB 8004-AS (or M20 pole mount).
STACKING KIT 2X NX L24-A
Pole mount accessory for stacking 2 x NXL24 on SUB 8004-AS (or M20 pole mount).
DIMENSIONS (All data are in mm)
ACOUSTICAL SPECIFICATIONS Frequency response: 65 Hz ÷ 20000 Hz Max SPL: 131 dB Horizontal coverage angle: 120° Vertical coverage angle: 30° Compression driver: 2”, 2.5” v.c. Midrange: Woofer: 4 x 6”, 1.5” v.c. INPUT SECTION Input signal (Impedance): Input/Output connector: Input sensitivity:
Jack- XLR male XLR female -2 dBu / + 4 dBu
PROCESSOR SECTION Crossover frequencies: Protections: Limiter: Controls:
800 Hz Themel, RMS soft limiter Volume, EQ Shape, Mic/ Line
RCF products are continually improved. All specifications are therefore subject to change without notice.
AMPLIFIER Power supply: High frequencies: Mid frequencies: Low frequencies: Cooling: Connection:
switching 1400 Watt Peak 700 RMS D / 400 Watt Peak 200 RMS D / 1000 Watt Peak 500 RMS convection Powercon in-out
PHYSICAL Height: Width: Depth: Weight: Cabinet: Hardware: Handles: Pole mount cap Colour:
1056 mm (41.58”) 201 mm (7.90”) 274 mm (10.79”) 26.4 kg (58.8 lbs) Composite PP 1 x M10 top, 1 x M10 bottom, 3 x M6 bottom 1 top, 2 side yes Black
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