NX 45-A
ACTIVE TWO WAY MULTIPURPOSE SPEAKER
DESCRIPTION
The NX 45-A is an active speaker specifically designed to be the everyday tool
for rental companies and professional musicians. It’s one of the most flexible
speaker for deploying high-power and pristine sound as a stand-alone FOH
system or as a satellite (with subwoofer) but either as a stage monitor or a
front, down or side fill speaker.
ACOUSTICAL SPECIFICATIONS
Frequency response: 45 Hz ÷ 20000 Hz
Max SPL: 133 dB
Horizontal coverage angle: 90°
Vertical coverage angle: 50°
Compression driver: 1.4" neo, 4.0" v.c.
Woofer: 15"neo, 3.5" v.c.
INPUT/OUTPUT SECTION
Input signal: bal/unbal
Input/Output connector: XLR, Jack
Input sensitivity: - 2 dBu / + 4 dBu
PROCESSOR SECTION
Crossover frequencies: 650 Hz
Protections: thermal, rms
Limiter: soft limiter
Controls: Boost, Volume, Mic/Line
AMPLIFIER
Total Power: 1400 W PEAK - 700 W RMS
High frequencies: 400 W PEAK - 200 W RMS
Low frequencies: 1000 W PEAK - 500 W RMS
Cooling: convection
Connection: Powercon IN/OUT
PHYSICAL
Height: 707 mm (27.83")
Width: 418 mm (16.46")
Depth: 402 mm (15.83")
Weight: 20,6 Kg (45.42 kg/lbs)
Cabinet: Baltic Birch Plywood
Hardware: pole mount
Handles: 2 side
Colour: Black
NX 45-A
110
Response -20dBu/2m
100
90
dB SPL
80
70
60
20
100
10
Total Q
1
100 10 00 10000
100 1000 10000
Frequency (Hz)
Directivity Index and Q
Frequency (Hz)
360
330
300
Beamwidth v s. Frequency
Horizont al Beamwidth (1/3 Oc tave)
Vertic al Beamwidth (1/3 Oc tave)
270
240
210
180
150
120
Coverage Angle (Deg.)
90
60
30
0
100 1000 10000
20
18
16
14
Directivity inde x Di, dB
12
10
8
6
4
2
0
5
0
-5
-10
-15
Attenuation in d B
-20
-25
-30
100 1000 10000
Horizontal ±10 deg rees
Horizontal ±20 deg rees
Horizontal ±30 deg rees
Horizontal ±40 deg rees
Horizontal ±50 deg rees
Horizontal ±60 deg rees
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 degr ees
Vertical +20 degr ees
Vertical +30 degr ees
Vertical +40 degr ees
Vertical +50 degr ees
Vertical +60 degr ees
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)
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