Genelec Portable Speaker 1031A User Manual

Operating Manual  
1031A  
Genelec 1031A  
Monitoring System  
 
Speaker Mounting  
Position  
Treble tilt  
Bass tilt  
Bass roll-off  
TREBLE TILT  
CONTROL  
Flat anechoic response  
None  
None  
None  
None  
-2 dB  
-4 dB  
None  
None  
-2 dB  
TREBLE TILT  
dB  
BASS TILT  
ALL OFF  
USING THE TONE  
CONTROLS  
dB  
+2  
0
0
-2  
-4  
-6  
ALL OFF  
OFF ON  
+2  
-2 dB  
-4  
REFER TO THE OPERATING  
MANUAL FOR SUGGESTED  
TONE CONTROL SETTINGS.  
-2  
-4  
Free standing in a damped room  
BASS TILT  
CONTROL  
MUTE  
FOR ACCURATE  
4kHz  
20kHz  
20Hz  
600Hz  
OPERATION ONLY ONE  
SWITCH IN EACH TONE  
CONTROL GROUP SHOULD  
Free standing in a  
reverberant room  
OFF ON  
-2  
-4 dB  
-6  
MUTE  
BE ON AT  
A
TIME.  
BASS ROLL-OFF  
CONTROL  
OFF ON  
FOR  
A
FLAT FREE FIELD  
BASS ROLL-OFF  
dB  
-2  
-4 dB  
-6  
-8  
RESPONSE SET ALL TONE  
CONTROLS TO OFF.  
ALL OFF  
0
Near field or console bridge  
In a corner  
None  
None  
-4 dB  
-4 dB  
-4 dB  
-4 dB  
+4  
+6  
-2  
-4  
-6  
-8  
INPUT SENSITIVITY  
REQUIRED FOR 100dB  
SPL@1m. REFER TO  
OPERATING MANUAL  
FOR MAXIMUM SPL.  
+2  
0
INPUT SENSITIVITY  
CONTROL  
dBu  
CAL POSITION  
-6  
-2  
ALL CONTROLS  
INPUT SENSITIVITY  
:
OFF  
-6dBu  
-4  
20Hz  
100Hz  
:
INPUT SENSITIVITY  
2
INPUT  
CONNECTOR  
PIN  
PIN  
PIN  
1
2
3
=
=
=
GROUND  
3
Table 1. Suggested tone control settings in some typical situations  
+
-
INPUT  
INPUT  
1
SIGNAL INPUT  
MAINS VOLTAGE  
SELECTOR  
MAINS  
VOLTAGE  
SELECTOR  
(WHERE  
APPLICABLE)  
MAINS INPUT  
50 60 Hz  
150 Watts  
115 230  
/
/
V
˜
GENELECR  
MAINS CONNECTOR  
MAINS SWITCH  
1031A BI-AMPLIFIED MONITORING SYSTEM  
MAGNETICALLY SHIELDED  
MADE IN FINLAND  
f
ON  
SERIAL  
Cable  
NUMBER  
ELECTRIC SHOCK HAZARD!  
WARNING  
IT IS FORBIDDEN TO UNDO ANY SCREWS ON THIS EQUIPMENT. SERVICING AND ADJUSTMENT  
MUST ONLY BE CARRIED OUT BY QUALIFIED SERVICE PERSONNEL.  
NEVER OPERATE THIS EQUIPMENT WITHOUT  
A
PROPER EARTHED MAINS CONNECTION.  
DISCONNECT THE MAINS INPUT BEFORE REPLACING THE FUSE.  
Screen  
ENSURE THAT THE CORRECT VOLTAGE AND APPROPRIATE FUSE ARE SELECTED BEFORE  
CONNECTING TO THE MAINS SUPPLY.  
RCA  
(Source)  
XLR  
(Speaker)  
THIS EQUIPMENT IS CAPABLE OF PRODUCING SOUND PRESSURE LEVELS IN EXCESS OF 85dB  
WHICH MAY CAUSE PERMANENT HEARING DAMAGE.  
290 mm  
320 mm  
Figure 2. Location of the acoustic axis  
Figure 3. RCA to XLR cable  
Figure 1. Amplifier panel layout of the 1031A  
the three tone control switch groups ‘treble  
tilt’, ‘bass tilt’ and ‘bass roll-off’ on the rear  
panel of the amplifier. The factory settings  
for these controls are All Off’ to give a flat  
anechoic response. See Table 1 for sug-  
gested tone control settings. Figure 5 shows  
the effect of the controls on the anechoic  
response. Always start adjustment by setting  
all switches to ‘OFF’ position. Then set only  
one switch to the ’ON’ position to select the  
response curve needed. If more than one  
switch is set to ‘ON’ (within one switch group)  
the attenuation value is not accurate.  
2. Do not use this product with an  
unearthed mains cable as this may lead to  
personal injury.  
Overload indicators  
The speaker is provided with two status  
LED's marked 'OVL' and 'ON'. The green  
ON-LED when lit indicates that the speaker  
is ready for use. The red OVL-LED indicates  
that the amplifier is overloaded or the driver  
protection circuit is activated. In both cases  
reduce the signal level so that the LED stops  
blinking. If the OVL-LED stays on constantly it  
indicates that the amplifier thermal protection  
is activated. Let the amplifier cool down and  
check that the ventilation at the rear side of  
the speaker is not blocked. There should be  
a clearance of more than 4" (10cm) between  
speaker rear and any solid surface.  
3. To prevent fire or electric shock, do not  
expose the unit to water or moisture. Do  
not place any objects filled with liquid,  
such as vases on the speaker or near it.  
4. Note that the amplifier is not  
completely disconnected from the AC  
mains service unless the mains power  
cord is removed from the amplifier or the  
mains outlet.  
WARNING!  
Vertical / horizontal mounting  
The speakers are normally delivered set  
up for vertical mounting. Horizontal mount-  
ing should be avoided due to the increased  
likelihood of early reflections that degrade  
the the direct sound. If horizontal mounting  
is needed the DCW plate may be rotated so  
that the Genelec logo remains horizontal by  
removing the four corner screws of the DCW  
and carefully lifting and turning the DCW.  
This equipment is capable of producing sound  
pressure levels in excess of 85 dB, which  
may cause permanent hearing damage.  
Maintenance  
Accessories  
No user serviceable parts are to be found  
within the amplifier unit. Any maintenance  
or repair of the 1031A unit should only be  
undertaken by qualified service personnel.  
Order code  
Protective grille  
Wall mount  
1031-409  
1031-404-V/H*  
1031-405-V/H*  
Floor stand  
Safety considerations  
Although the 1031A has been designed  
in accordance with international safety  
standards, to ensure safe operation and to  
maintain the instrument under safe operating  
conditions, the following warnings and cau-  
tions must be observed:  
*State the desired speaker orientation  
V=vertical or H=horizontal when ordering  
these accessories.  
Console top mounting  
If the 1031As are used for near field monitor-  
ing, avoid mounting them on the meter bridge  
of the console. Instead position the speakers  
slightly behind the console by using floor  
stands or wall mounts. This prevents the  
first reflections from the console surface from  
coloring the sound.  
Guarantee  
This product is supplied with one year guar-  
antee against manufacturing faults or defects  
that might alter the performance of the 1031A  
unit. Refer to supplier for full sales and guar-  
antee terms.  
1. Servicing and adjustment must only  
be performed by qualified service  
personnel. The amplifier’s rear panel must  
not be opened.  
 
1031A Operating Manual  
AUDIO PRECISION 1031anec LEVEL(dBr) vs FREQ(Hz)  
100  
07 SEP 93 11:21:58  
AUDIO PRECISION 1031anec LEVEL(dBr) vs FREQ(Hz)  
110  
07 SEP 93 10:04:11  
95  
105  
100  
95  
0°  
90  
15°  
85  
BASS TILT  
90  
TREBLE TILT  
80  
30°  
45°  
75  
85  
80  
70  
65 100  
60 95  
90  
75  
BASS ROLL-OFF  
70  
65  
60  
20k  
20  
100  
1k  
10k  
20k  
1k  
10k  
100  
20  
Figure 4. The upper curve group shows the horizontal directivity  
Figure 5. The curves show the effect of the bass tilt, treble tilt and  
bass roll-off controls on the free field response.  
characteristics of the 1031A in vertical configuration measured at 1 m.  
The lower curve is a 1/3 octave band power response, measured in an  
IEC approved reverberation chamber.  
SYSTEM SPECIFICATIONS  
CROSSOVER SECTION  
AMPLIFIER SECTION  
Input connector XLR female:  
pin 1 gnd  
pin 2 +  
pin 3 -  
Bass amplifier short term output power with a  
8 Ohm load: 120 W  
Lower cut-off frequency, -3 dB:  
Upper cut-off frequency, -3 dB:  
< 47 Hz  
> 22 kHz  
Treble amplifier short term output power with an  
8 Ohm load: 120 W  
Free field frequency response of system:  
48 Hz - 22 kHz (± 2 dB)  
Input impedance:  
10 kOhm balanced  
Input level for 100 dB SPL output @ 1m:  
variable from +6 to -6 dBu  
Maximum short term sine wave acoustic output on  
axis in half space, averaged from 100 Hz to 3 kHz:  
Long term output power is limited by driver unit  
protection circuitry.  
@ 1m 
>
110 dB SPL  
@ 0.5m > 116 dB SPL  
Input level for maximum short term sine wave output  
of 110 dB SPL @ 1m:  
Amplifier system distortion at nominal output:  
THD  
< 0.05%  
< 0.05%  
< 0.05%  
< 0.05%  
variable from +16 to +4 dBu  
SMPTE-IM  
CCIF-IM  
DIM 100  
Maximum long term RMS acoustic output in same  
conditions with IEC weighted noise (limited by  
driver unit protection circuit):  
Subsonic filter below 45 Hz :  
Ultrasonic filter above 25 kHz:  
18 dB/octave  
12 dB/octave  
@ 1m > 101 dB SPL  
@ 0.5m > 107 dB SPL  
Signal to Noise ratio, referred to full output:  
Crossover frequency, Bass/Treble:  
Crossover acoustical slopes:  
2.2 kHz  
24 dB/octave  
Bass  
Treble  
> 100 dB  
> 100 dB  
Maximum peak acoustic output per pair above  
console top, @ 1 m from the engineer with music  
Treble tilt control operating range in 2 dB steps:  
from +2 to -4 dB & MUTE  
Mains voltage:  
230, 100/200 or 115/230V  
according to region  
material:  
> 120 dB  
Self generated noise level in free field @ 1m  
on axis: < 10 dB (A-weighted)  
Bass roll-off control operating range in 2 dB steps:  
from 0 to -8 dB @ 40 Hz  
Voltage operating range:  
±10%  
Power consumption: Idle  
30 VA  
160 VA  
Harmonic distortion at 90 dB SPL @ 1m on axis:  
Bass tilt control operating range in 2 dB steps:  
from 0 to -6 dB @ 80 Hz  
& MUTE  
Full output  
Freq:  
50...100 Hz  
> 100 Hz  
< 3%  
< 0.5%  
Drivers:  
Bass 210 mm (8") cone  
Treble 19 mm (3/4") metal dome  
Both drivers are magnetically shielded.  
The 'CAL' position is with all tone controls set to 'off'  
and the input sensitivity control to maximum (fully  
clockwise).  
Weight:  
12,7 kg (28 lb)  
Dimensions:  
Height 393 mm (15 1/2")  
Width  
250 mm ( 9 7/8")  
Depth 290 mm (11 7/16")  
Genelec Document D1031AR001 Copyright Genelec Oy 6.2003. All data subject to change without prior notice  
International enquiries:  
In the U.S. please contact:  
Genelec, Inc., 7 Tech Circle  
Natick, MA 01760, USA  
Phone +1 508 652 0900  
Fax +1 508 652 0909  
In China please contact:  
Genelec, Olvitie 5  
Genelec China Representative Office  
Soho New Town, 88 Jianguo Road  
D-1504, Chaoyang District  
Beijing 100022, China  
FIN-74100, Iisalmi, Finland  
Phone +358 17 83881  
Fax +358 17 812 267  
Phone +86 10 8580 2180  
Fax +86 10 8580 2181  
 

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