Magnat EDITION B30 Manual Del Usuario página 8

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CONNECTING TO THE POWER AMPLIFIER (FIG. 1)
The subwoofer should be connected to an external power amplifier in every case.
This can provide the required electrical power and create corresponding dynamic
reserves. The relevant instructions also contain the customized connection diagram
for the operation of a subwoofer.
The basic equipment of a power amplifier also includes an active crossover switch
(low-pass) to keep undesirable mid-tone ranges away from the subwoofer.
Figure 1
A Mono Subwoofer
B Stereo Subwoofer
1. car radio
2. Y adapter
3. 2-/4-channel amplifier
4. satellites
5. capacitors (optional)
6. bridged mode
7. subwoofer
ADDITIONAL PASSIVE FILTERS (FIG. 2)
Should you not have any active filter switching available (e.g. use of a mono-block
or tri-mode two-channel power amp), this function has to be performed by a passive
crossover. Please select your subwoofer's cutoff frequency and wire the components
as follows.
Cut off frequency Subwoofer
60 Hz
80 Hz
90 Hz
110 Hz
130 Hz
160 Hz
380 mm
380 / 300 mm
300 mm
300 / 250 mm
250 mm
250 / 200 mm
GB
Coil L / min.
cable diameter
15 mH / 1.5 mm²
12 mH / 1.0 - 1.5 mm²
10 mH / 1.0 mm²
8.2 mH / 0.7 - 1.0 mm² 220uF / 100Vdc
6.8 mH / 0.7 mm²
5.6 mH / 0.5 - 0.7 mm² 150uF / 100Vdc
8
Capacitor C /
electric strength
470uF / 100Vdc
330uF / 100Vdc
330uF / 100Vdc
220uF / 100Vdc

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