SPEAKER
AR
T4
00
A
ART400A
Two-Way Active Speaker System
2
O F 6 P A G E S
Specifications
System Acoustic
Frequency Range (–10 dB): 55Hz–19kHz
Frequency Response (–3 dB): 75Hz–18kHz
Horz. Coverage Angle (–6 dB): 80°, nominal
Vert. Coverage Angle (–6 dB): 60°, nominal
Directivity Factor; Q(DI): 10.5 (10.2),
averaged 1kHz to 10kHz
System Sensitivity
1
: 99dB 1W @ 1m
Rated Maximum Peak
2
: 125dB @ 1m
Crossover: 1.8kHz, 24dB/octave
Time Alignment: Analog, 0.3mS
Speaker Protection: Thermal, over-excursion
Transducers
Low-Frequency: 15" (380mm) woofer with
3" (76mm) coil
High-Frequency: Polynomial horn-loaded 2"
(51mm) exit compression driver
Electronics
Power Amplifier Rating: LF: 300W, HF: 50W
Distortion: < 0.1% THD, nominal power @
1kHz and 10kHz
Inputs: Mic: 8mV, 1.3k
Ω
balanced,
650
Ω
unbalanced, XLR
Line: 125mV, 19k
Ω
balanced,
10k
Ω
unbalanced
Output: XLR connector, parallel to input
Indicators: Power On, limiter active
Controls, Switch: Mic/Line, Music/Voice EQ,
Power On/Off
Music EQ: Off/+4.3dB @ 65Hz,
+4dB @ 12kHz
Voice EQ: Off/+4dB @ 3kHz,
+4dB @ 6kHz
Controls, Rotary: Input Volume
Electronics Protection: Thermal, limiting, short circuit
Power Requirements: 115/230 VAC (internal select),
5A, 50/60Hz
Physical
Enclosure: Gray, semi-trapezoidal,
reinforced polypropylene
Dimensions (HxWxD): 29.15" x 17.88" x 14.77"
(740mm x 454mm x 375mm)
Weight: 77.2 lbs. (35kg)
Mounting: Four M10 and three M8 metal threaded inserts,
1.375 in. (35mm) lockable stand mount
1
Measured on axis in the far field, referenced back to 1 watt RMS from maximum power
and to 1 meter distance using the inverse square law. Listed sound pressure represents
an average from 300 Hz to 3 kHz.
2
RMS using 20Hz to 20kHz, PN Spectrum, Peak for 2 hours with +6 dB crest factor.
Options
ART A-8 Full front metal grille, black
ART A-9 Horizontal, adjusting
wall mount bracket
ART A-10 Vertical, adjusting wall
mount bracket
SM Tripod stand, black