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1235A Operating Manual
SYSTEM SPECIFICATIONS
Lower cut-off frequency, –6 dB
Upper cut-off frequency, –6 dB
Accuracy of frequency response, ± 2.0 dB
Maximum short term sine wave acoustic
output on axis in half space, averaged
from 100 Hz to 3 kHz at 1 m
Maximum long term RMS acoustic
output in the same conditions with
IEC weighted noise (limited by driver
protection circuit) at 1 m
Maximum peak acoustic output per pair
in a listening room with music material
at 2 m
Self generated noise level in free space
at 2 m on axis (A-weighted)
Harmonic distortion at 100 dB SPL at
1 m on axis
Freq:
50...100 Hz
100 Hz...3 kHz
> 3 kHz
Drivers
Bass
Midrange
Treble
Monitor enclosure weight
Amplifier weight
Monitor enclosure dimensions
Height
Width
Depth
Amplifier dimensions
Height
Width (front plate)
Width (casing)
Depth
Genelec Document D0127R003 Copyright Genelec Oy 6.2020. All data subject to change without prior notice
1235A
≤ 29 Hz
26 kHz
31 Hz – 20 kHz
130 dB SPL
124 dB SPL
136 dB
≤ 5 dB
< 1 %
< 0.5 %
< 3 %
2 x 380 mm (15 in) cone
2 x 125 mm (5 in) cone
Compression tweeter 50 mm
(2 in) into 25 mm (1 in) throat
164 kg (361 lb)
11.2 kg (25 lb)
820 mm (32
/
in)
9
32
1105 mm (43
1
/
in)
2
650 mm (25
/
in)
5
8
3U 132 mm (5
3
/
in)
16
483 mm (19 in)
425 mm (16
3
/
in)
4
286 mm (11
/
in)
1
4
International enquiries:
Genelec, Olvitie 5
FIN-74100, Iisalmi, Finland
Phone +358 17 83881
Fax +358 17 812 267
Email genelec@genelec.com
AMPLIFIER SECTION
Bass amplifier short term output power
Midrange amplifier short term output
power
Treble amplifier short term output power
Long term output power is limited by driver protection circuitry
Amplifier system THD at nominal output
Signal to Noise ratio, referred to full
output
Bass
Midrange
Treble
Mains voltage
Power consumption
Standby
Idle
Full output, long term
Full output, peak
SIGNAL PROCESSING SECTION
Analog signal input connector XLR
female, balanced 10 kOhm
Maximum analog input signal
Analog input sensitivity (100 dB SPL at
1 m)
Analog input gain selection
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 )
Digital input gain selection
Control network
Type
Connection
Crossover frequency
Bass/Mid
Mid/Treble
GLM
software frequency response
TM
adjustment
Notch filters
Shelving filters
System calibration
In China please contact:
In the U.S. please contact:
Beijing Genelec Audio Co.Ltd
Genelec, Inc., 7 Tech Circle
Room 101, 1st floor
Natick, MA 01760, USA
Building 71 B33, Universal Business Park
Phone +1 508 652 0900
No. 10 Jiuxianqiao Road, Chaoyang District
Fax +1 508 652 0909
Beijing, China
Email genelec.usa@genelec.com
Phone +86 (10) 5823 2014
Post code: 100015
Email genelec.china@genelec.com
1235A
2 x 1000 W
2 x 400 W
250 W
<0.003 %
>116 dB
>119 dB
>115 dB
100-120, 220-240 VAC
50/60 Hz
6 W
40 W
1000 W
2500 W
1235A
pin 1 gnd
pin 2 non-inverting,
pin 3 inverting
+25.0 dBu
-6 dBu
0, +6, +12, +18 dB
AES/EBU Single Wire or
Dual Wire
AES/EBU Single Wire or
Dual Wire
16 - 24 bits
32 - 192 kHz
-30 dBFS
0, +6, +12, +18 dB
Proprietary GLM™ network
2 RJ45, CAT5 cables
420 Hz
3.2 kHz
4 LF and 2 HF
2 LF and 2 HF
Genelec GLM AutoCal™
www.genelec.com
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