Genelec 1238CF Operating Manual page 7

Figure 5: Horizontal directivity of the 1238CF.
SySTEM SPECIFICATIONS
Lower cut-off frequency, –3 dB
Upper cut-off frequency, –3 dB
Free field frequency response
Maximum short term sine wave acoustic
output on axis in half space, averaged from
100 Hz to 3 kHz
Maximum long term RMS acoustic output
in same conditions with IEC weighted noise
(limited by driver unit protection circuit
Maximum peak acoustic output per pair with
music material
Self generated noise level in half space at 1 m
on axis (A-weighted)
Harmonic distortion at 90 dB SPL at 1 m on
axis
Freq: 60...100 Hz
> 100 Hz
Drivers
Bass
Midrange
Treble
Weight
Dimensions
Height
Width
Depth
* The notch and shelving filters adjustments, AutoCal
1238CF
< 55 Hz
> 20 kHz
57 Hz – 20 kHz (± 2.0 dB)
@ 1 m > 117 dB SPL
@ 1 m > 107 dB SPL
@ 2 m > 124 dB
< 15 dB
< 1 %
< 0.5 %
2 x 210 mm (8") cone
125 mm (5") cone
25 mm (1") metal dome
All drivers are magnetically
shielded
42 kg (93 lb)
610 mm (24")
470 mm (18 1 / ")
2
257 mm (10 / ")
1
8
TM and GLM TM manual system calibration features are part of the Genelec Loudspeaker Manager (GLM
Figure 4: Vertical directivity of the 1238CF.
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 unit
protection circuitry
Slew rate
Amplifier system THD at nominal output
Signal to Noise ratio, referred to full output
Bass
Midrange
Treble
Mains voltage
Mains voltage operating range
Power consumption (average)
Idle
Full output
SIGNAL PROCESSING SECTION
Digital signal input connector
XLR female 110 kOhm
Digital signal output / Thru connector
XLR male 110 kOhm
Analog signal input connector
XLR female, balanced 10 kOhm
Digital audio
Word length
Sample rate
Control network
Type
Connection
Crossover frequency
Bass/Mid
Mid/Treble
GLM TM software frequency response adjust-
ment *
Notch filters
Shelving filters
System calibration
1238CF
150 W at 4 Ohm load
120 W at 8 Ohm load
120 W at 8 Ohm load
80 V/us
< 0.05 %
>100 dB
>100 dB
>100 dB
100/200 or 115/230 V
-10 to +10 %
23 VA
330 VA
1238CF
AES/EBU Single Wire or
Dual Wire
AES/EBU Single Wire or
Dual Wire
pin 1 gnd, pin 2 +, pin 3 -
16 - 24 bits
32 - 192 kHz
Proprietary GLM™ network
2 RJ45, CAT5 cables
420 Hz
2.8 kHz
4 LF and 2 HF
2 LF and 2 HF
Auto Cal™, Stand-alone
TM ) software
7