USING THE PUNCH AUDIOPHILE WOOFERS
Speakers are built in different sizes to optimize their performance in different frequency bands. Crossovers are used to route the different frequency bands for each appropriate speaker. There are two opera- tional types of crossovers, active and passive. An active crossover is an electronic filter which is placed before the amplifier and separates the signal fed to different amplifiers in the system. A passive crossover is positioned after the amplifier and separates the signal fed to each speaker in the system. Active crossovers offer the accuracy and flexibility needed for a sophisticated system and are used in complex multiple amp designs. Passive crossovers (capacitors and inductors) allow the use of multiple speakers in a simple system which can easily be expanded over time. We recommend using a 6dB per octave, 100Hz low pass crossover for the Punch Audiophile Woofers when used with a passive system.
To customize the installation, try adjusting the crossover point one octave up or down to optimize the system staging.
C A L C U L A T I N G L O A D I M P E D A N C E
The Punch Audiophile Woofers are used for the
RT = R1 + R2 + R3 + etc.
In a parallel circuit the impedance is determined by the formula:
| 1 | = | 1 | + | 1 | + | 1 | + | 1 | + etc. |
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| RT | R1 | R2 | R3 | R4 |
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Where RT is the total speaker load and R1, R2, etc. represent each speaker in the system.
The crossover is connected in line to the positive terminal of the speaker system. Crossovers are available from Authorized Rockford Fosgate Dealers.
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