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1038BC Operating Manual

Genelec Document D1038BCR001 Copyright Genelec Oy 3.2003. All data subject to change without prior notice

www.genelec.com

AMPLIFIER SECTION

CROSSOVER SECTION

SYSTEM SPECIFICATIONS

International enquiries: 
Genelec, Olvitie 5
FIN-74100, Iisalmi, Finland
Phone +358 17 83881
Fax +358 17 812 267
Email genelec@genelec.com

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
Email genelec.usa@genelec.com

In China please contact: 
Genelec China Representative Office
Soho New Town, 88 Jianguo Road
D-1504, Chaoyang District
Beijing 100022, China
Phone +86 10 8580 2180
Fax +86 10 8580 2181

1038BC

Lower cut-off frequency, -3 dB
Upper cut-off frequency, -3 dB
Free field frequency response 
of system

<33 Hz
>20 kHz
35 Hz - 20 kHz (±2.5 dB)

Maximum short term sine wave acoustic 
output on axis in half space, averaged from 
100 Hz to 3 kHz

@1m >120 dB SPL

Maximum long term RMS acous tic output 
in same conditions with IEC-weighted noise 
(limited by driver unit protection circuit)

@1m >116 dB SPL

Maximum peak acoustic output per pair above 
console with music materia

@ 2m >124 dB

Self generated noise level in free field @1m 
on axis

<15 dB (A weighted)

Harmonic distortion at 95 dB SPL at 1m on 
axis:

freq. 50...100 Hz <1%
freq. >100 Hz <0.5%

Drivers  
 Bass
 Midrange
 Treble
All drivers are magnetically shielded

2 x 250 mm (10") cone
130 mm (5") cone
25 mm (1") metal dome

Weight
 Speaker cabinet
 Amplifier

60 kg (130 lb)
14 kg (31 lb)

Speaker cabinet dimensions
 Height
 Width
 Depth

350 mm (13 

3

/

4

")

950 mm (37 

3

/

8

")

453 mm (17 

7

/

8

")*

Amplifier dimensions
 Height
 Width
 Depth

530 mm (20 

7

/

8

") (12 U)

480 mm (8 

7

/

8

")

113 mm (4 

7

/

16

")*

1038BC

Input connector XLR female

pin 1 gnd
pin 2 +
pin 3 -

Input impedance

10 kOhm

Input level for 100 dB SPL output @1m

variable from +6 to -6 dBu

Input level for maximum short term output

variable from +26 to +14 
dBu for 120 dB SPL @1m

Subsonic filter

18 dB/octave 
below 33 Hz

Ultrasonic filter

12 dB/octave 
above 25 kHz

Crossover frequency
 Bass/Mid
 Mid/Treble

410 Hz
3 kHz

Crossover acoustical slopes

24 - 32 dB/octave

Crossover level control operating 
range in 1 dB steps
 Bass
 Mid
 Treble

from 0 to -6 dB
from 0 to -6 dB
from 0 to -6 dB

Bass roll-off control in 2 dB steps

from 0 to -8 dB @33 Hz

Bass tilt control in 2 dB steps

from 0 to -8 dB @80 Hz

The 'CAL' position is with all tone con trols set to 'off' and input sensitivity 
con trol to max i mum.

1038BC

Bass amplifier short term output power

2 x 200 W (4 Ohm load)

Midrange amplifier short term output power

120 W (8 Ohm load)

Treble amplifier short term output power 

120 W (8 Ohm load)

Long term output power is limited by driver unit protection circuitry.

Slew rate

80V/µs

Amplifier system distortion at nominal output
 THD
 SMPTE-IM
 CCIF-IM
 DIM 100

<0.05%
<0.05%
<0.05%
<0.05%

Signal to Noise ratio, referred to full out put
 Bass
 Midrange
 Treble

>100 dB
>100 dB
>100 dB

Mains voltage

100/200V or 115/230V

Voltage operating range

nominal ±10%

Power consumption
 Idle
 Full output

60 W
500 W

*Without connecting cables. Cable connectors require 
additional 100 mm (4") of space behind the speaker and the 
amplifier

Summary of Contents for 1038BC

Page 1: ...Genelec 1038BC Tri amplified Monitoring System Operating Manual 1038BC ...

Page 2: ...he mid range frequencies are reproduced by a proprietary 130 mm 5 direct radiating cone driver loaded with a DCW The high frequency driver is a 25 mm 1 metal dome also loaded by a DCW The 1038BC is magnetically shielded in order to mini mise interference with video monitors Crossover filters The crossover frequencies of the active crossover network are 410 Hz and 3 0 kHz In order to obtain a unifo...

Page 3: ...hen set only one switch to the ON position to select the response curve required If more than one switch is set to ON within one switch group the attenuation value is no longer accurate Vertical horizontal mounting Genelec 1038BC can be mounted vertical ly or horizontally If the speakers orienta tion is changed the DCW plate must be rotated so that the mid range driver always remains located at th...

Page 4: ...quencies The wall in which the speakers are mounted should have a high acoustical mass to properly implement half space radiation at low frequencies and be angled so that the speakers are correctly aimed However the speakers should not be mounted too high as this increases the required vertical tilt of the speaker maxi mum tilt angle 20 degrees and reduces the optimum listening area Great care sho...

Page 5: ...ons Although the 1038BC has been designed in accordance with international safety standards to ensure safe operation and to maintain the instrument under safe operat ing conditions the following warnings and cautions must be observed 1 Servicing and adjustment must only be performed by qualified service personnel The amplifier s rear panel must not be opened 2 Do not use this product with an unear...

Page 6: ...ier 60 kg 130 lb 14 kg 31 lb Speaker cabinet dimensions Height Width Depth 350 mm 13 3 4 950 mm 37 3 8 453 mm 17 7 8 Amplifier dimensions Height Width Depth 530 mm 20 7 8 12 U 480 mm 8 7 8 113 mm 4 7 16 1038BC Input connector XLR female pin 1 gnd pin 2 pin 3 Input impedance 10 kOhm Input level for 100 dB SPL output 1m variable from 6 to 6 dBu Input level for maximum short term output variable from...

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