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HELIX Competition RS 6.3 Instruction Manual page 3

High end 3-way component system

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Adjustment of the crossover
The speakers of the system can be adjusted to your individual
listening habits by repositioning the jumpers.
Please make sure to turn off the entire system before
changing the jumper positions.
Function of jumper J1:
4- or 2 ohms mode
Jumper J1 adjusts the crossover to the so called 4- or 2
ohms mode. The basic adjustment (ex works) is the 4 ohms
mode which means that only one pair of woofers is used in
the vehicle.
When using two additional RS806 Competition speakers as a
double bass system on each side, e.g. in custom made door
panels, the jumpers J1 must be removed and fixed into the
2 ohms position (see fig. 1 and 2).
Function of jumper J2:
Mid level adjustment
Jumper J2 is used for the individual adjustment of the mid
level (adjustment of level in relation to the level of the bass
and the tweeter). In the 0 dB-position (ex works) the mid-
range plays at the same level as tweeter and woofer. This
should be basis of your fine tuning.
Depending on the placement of the chassis and your indivi-
dual listening habits the level of the midrange can be raised
or lowered by changing the position of jumper J2.
In case of placement in the dash or higher the level should be
lowered (-1,5 dB / -3 dB). In lower positions such as door- or
kick panels the level should rather stay at 0 dB or even be
raised to +3 dB.
Mid level depending on jumper position
6
4 ohms mode (ex works)
J 1
J 2
Fig. 1
Function of jumper J3:
Tweeter level adjustment
Jumper J3 is used for the individual adjustment of the twee-
ter level (adjustment of level in relation to the bass and the
midrange). For functions and recommendations please refer
to the discription of the midrange jumper J2.
Tweeter level depending on jumper position
J 3
1 x RS806 per channel
Fig. 2
Please make sure that changes in the position of the
jumpers J1, J2 and J3 must always be made simulta-
neously for the right and the left channel on both cross-
overs.
Special note: Try to connect the midrange out of phase to the
crossovers as the resulting 180° phase shift may well impro-
ve the overall staging of your system.
2 ohms mode
J 1
J 2
J 3
2 x RS806 per channel

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