Genelec 8381A - System Specifications

SYSTEM SPECIFICATIONS
8381A
Lower cut-o frequency, –6 dB ≤ 20 Hz
Upper cut-o frequency, –6 dB ≥ 35 kHz
Accuracy of frequency response, ± 1.5 dB 30 Hz – 20 kHz
Maximum short term sine wave acoustic
output on axis in half space, averaged
from 100 Hz to 3 kHz at 1 m
126 dB SPL
Maximum long term RMS acoustic output
in the same conditions with IEC weighted
noise (limited by driver protection circuit)
at 1 m
121 dB SPL
Maximum peak acoustic output per pair
in a listening room with music material
at 2 m
132 dB SPL
Self generated noise level in free space
At 1 m on axis with analog input and
-10 dB level (A-weighted)
At 10 cm on axis with analog input
and -10 dB level (A-weighted)
< 1 dB SPL
< 17 dB SPL
Harmonic distortion at 100 dB SPL at
1 m on axis
Freq: 50…2300 Hz
> 2.3 kHz
< 0.5 %
< 1.4 %
Drivers
Low Woofer
Higher Woofer
Lower Midrange System
Coaxial Midrange
Coaxial Tweeter
2 x 380 mm (15 in) cone
1 x 380 mm (15 in) cone
4 x 125 mm (5 in) dome
1 x 125 mm (5 in) cone
Compression tweeter with 25
mm voice coil and 13 mm
(1/2 in) exit
Monitor enclosure weight
1 (top) + 2 (bottom)
69 + 71 kg (152 + 156 lb)
total 140 kg (308 lb)
Amplier weight (1 + 2) 11 + 11 kg (24 + 24 lb)
total 22 kg (48 lb)
Monitor enclosure 1 (top) dimensions
Height
Width
Depth
880 mm (34
5
/8 in)
694 mm (27
5
/16 in)
500 mm (19
11
/16 in)
Monitor enclosure 2 (bottom) dimensions
Height
Width
Depth
578 mm (22
3
/4 in)
694 mm (27
5
/16 in)
500 mm (19
11
/16 in)
Amplier dimensions (both 1 and 2)
Height
Width (front plate)
Width (casing)
Depth
3U 132 mm (5
3
/16 in)
483 mm (19 in)
425 mm (16
3
/4 in)
345 mm (13
5
/8 in)
8381A
RAM-81 Amplier 1 short term power
output
Lower midrange amplier 1
(2 x 5 in + 2 x 5 in)
Coaxial midrange amplier
Coaxial tweeter amplier
RAM-81 Amplier 2 short term power
output
Bass amplier 1 (2 x 15 in lower
enclosure)
Bass amplier 2 (1 x 15 in top
enclosure)
1200 + 1200 W
620 W
306 W
2 x 700 W
700 W
Long term output power is limited by driver protection circuitry
Amplier system THD at nominal output < 0.02 %
Signal to Noise ratio, referred to full output
Bass
Midrange
Tweeter
> 115 dB
> 120 dB
> 120 dB
Mains voltage 100-240 VAC 50/60 Hz
Power consumption
Standby ISS active
Idle
Full output, long term
Full output, peak
< 0.7 + 0.7 W
70 + 70 W
1100 + 1100 W
2400 + 2400 W
SIGNAL PROCESSING SECTION
8381A
Analog signal input connector XLR female,
balanced 10 kOhm
Analog signal output / Thru connector
XLR male balanced 10 kOhm
Maximum analog input signal
Analog input sensitivity (100 dB SPL at 1 m)
pin 1 gnd, pin 2 non-inverting,
pin 3 inverting
pin 1 gnd, pin 2 non-inverting,
pin 3 inverting
+24.0 dBu
-6 dBu
Digital signal input connector XLR female
110 Ohm
Digital signal output / Thru connector XLR
male 110 Ohm
Digital audio input
Word length
Sample rate
Digital input sensitivity (100 dB SPL at 1 m )
AES/EBU
AES/EBU
16 - 24 bits
32 - 192 kHz
-30 dBFS
Control network
Type
Connection
Proprietary GLM™ network
2 RJ45, CAT5 cables
Crossover frequency
Lowe Woofer/Higher Woofer
Higher Woofer/Lower Midrange
System
Lower Midrange System/Coaxial
Midrange
Coaxial Midrange/Tweeter
60 - 130 Hz (variable)*
150 - 250 Hz (variable)*
500 Hz
1900 Hz
GLM
TM
software frequency response
adjustment
Parametric notch lters
Shelving lters
16
2 LF and 2 HF
System calibration Genelec GLM AutoCal™
Genelec WooferCal™
AMPLIFIER SECTION
*Variable crossover frequensies are optimised by GLM AutoCal and WooferCal
based on room acoustics