ENGLISH
OPERATION MANUAL
JB SYSTEMS
®
3/24
BEQ15
•
To avoid condensation to be formed inside, allow the unit to adapt to the surrounding temperatures when
bringing it into a warm room after transport. Condense sometimes prevents the unit from working at full
performance.
CLEANING THE APPLIANCE:
Clean by wiping with a polished cloth slightly dipped with water. Avoid getting water inside the unit. Do not
use volatile liquids such as benzene or thinner which will damage the unit.
FUNCTIONS (FRONT)
1.
Controls for boosting and attenuating the respective frequency band level.
2.
EQ ON with LEDs activate or bypass the equalizer adjustments.
•
Down position:
The adjustments for the respective channel are effective.
•
Up position:
The respective channel is bypassed.
3.
Peak LED.
4.
Selector switches with LEDs for the range of the equalizer controls(1) ± 6dB Or ±12dB.
5.
Subsonic filters On/Off (Low Cut) 20Hz -12dB with LEDS.
•
Down position:
Filter switched on.
•
Up position:
Filter switched off.
6.
Input level control
7.
POWER ON/OFF switch
FUNCTIONS (rear)
8. Mains input:
connect the supplied cable to a 230V/50Hz mains outlet. Before use, inspect the cable to
be sure it’s not damaged! The
main input is equipped with a fuse to protect the unit. Replace it only with
the same type and value: 20mm glass fuse 250V 500mA slow blow.
9. Ground lift switch
to separate the signal ground from the enclosure ground to avoid ground loops.
FLOAT:
Signal ground and housing are separated.
GROUND:
signal ground and housing connected.
10. Unbalanced inputs
via phono jacks.
11. Unbalanced outputs
via phono jacks.
12.
Balanced outputs via 1/4” jacks:
with unbalanced connections, do not connect the
“ - ” pin
13. Balanced outputs via XLR jacks:
with unbalanced connections, do not connect pin 3.
14. Bal
anced inputs via 1/4” jacks:
with unbalanced connection bridge the contacts ”GND” and “ - ”.
15. Balanced Inputs via XLR:
with unbalanced connection.
