CONFIGURATION
Operating Mode
Amplifier Channels
Nominal Directivity
90° x 90° conical
Maximum peak SPL
Axial sensitivity
(2.83V @ 1mt)
Nominal Impedance
Power Handling
In & Out Connections
Description
2 x Phoenix™ 4 Pole
connectors
Pin assignment:
1 LMF - MHF pos.
2 LMF - MHF neg.
3 Through
4 Through
Full Range cone driver loaded in a closed enclosure
Linea Research & A+
92 dB
LMF - MHF
8 Ω (Internal HPF filter)
LMF - MHF
Components
1 x 4in. (100 mm) Neodymium Full Range cone driver
LMF - MHF
LMF - MHF
LMF - MHF
40 / 160 W
(AES / Peak)
Continuos
108 dB
Peak
114 dB
DImensions
Height (Front)
Height (Rear)
Width (Front)
Width (Rear)
Depth
Weight
130 / 05.11
130 / 05.11
130 / 05.11
130 / 05.11
130 / 05.11
0.8 / 01.70
H,W,D, (mm / in.)
Weight (Kg / lbs)
LMF - MHF
LMF - MHF
PERFORMANCE
Frequency Range
130 Hz - 18 kHz (110 Hz @ -10 dB)
Recommended
HPF
System
≥ 100 Hz, 24 dB/octave
Suggested System High Pass Filter ≥ 130 Hz, 24 dB/octave
LMF - MHF
Crossover point
90 Hz HPF 24 dB/octave
Shell Construction
Description & IP Rate
Multi-laminate
Birch-ply 9/12 mm
PCP (Polyurea Cabinet
Protection) - Optional
custom color
1.5 mm Powder coated
Metal Rigid Grille
Acoustically transparent
Cloth for discrete
appearance - Optional
custom color
IP 51
Supported Processing
Acoustic Load
3
Quadra4 - Technical specifications
Loud Professional Quadra Series User Manual V_1.0 en / pag.18
Powersoft Mezzo Series:
322A / 604A & 322AD / 604AD
Powersoft Quattrocanali Series:
1204 DSP & DSP+D
Suggested Amplifiers
Cabinet per channel
1
1 to 4
Suggested
4
20
50
10k
5k
2k
1k
500
200
100
20k
Hz
dBSPL
20
15
10
5
0
-5
-10
-15
-20
-25
*
A+ Standard Preset v_4.2 current release.
Quadra2
Quadra4
Quadra5
Quadra6
Loud Professional Quadra4 - Frequency Response
*
*
20
20
50
10k
5k
2k
1k
500
200
100
20k
Hz
dBSPL
20
15
10
5
0
-5
-10
-15
-20
-25
20
IP51
Frequency Response comparison
*
Loud Professional