Manual JL Audio xd700 (page 9 of 24) (English)

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“x10” (High-Pass): Configures the filter

to attenuate frequencies below a frequency

TEN TIMES HIGHER than the indicated

filter frequency at a rate of 12dB per octave.

This is useful for connection of tweeters to

this channel pair in a tri-amplified system.

Channel 3 & 4 Filter: 12dB/octave High-Pass

or Bandpass Filter

“Off”: Defeats the filter completely, allowing

the full range of frequencies present at the inputs

to feed these channels. This is useful for systems

utilizing outboard active crossovers or requiring

full-range reproduction from this channel pair.

“BP” (High-Pass): Configures the filter to

attenuate frequencies below the indicated filter

frequency and above the Channel 1 & 2 Filter

Frequency, at a rate of 12dB per octave. This is

useful for connection of mid-bass or mid-range

speakers in a tri-amplified system.

“HP” (High-Pass): Configures the

filter to attenuate frequencies below the

indicated filter frequency at a rate of 12dB

per octave. This is useful for connection

of component speakers or coaxials to this

channel pair in a bi-amplified system.

Subwoofer Channel Filter: 12dB/octave

or 24dB / octave, Low-Pass only

“Off”: Defeats the filter completely, allowing

the full range of frequencies present at the inputs

to feed this channel. This is useful for systems

utilizing outboard active crossovers.

“12dB” (Low-Pass):

Configures the filter

to attenuate frequencies above the indicated

filter frequency, at a rate of 12dB per octave.

This is useful for connection of subwoofers in a

bi-amplified system. This shallower slope gently

attenuates high-frequencies from your subwoofer

signal and is often well-suited for sedans and

coupes with trunks.

“24dB” (Low-Pass):

Configures the filter

to attenuate frequencies above the indicated

filter frequency, at a rate of 24dB per octave.

This is useful for connection of subwoofers in

a bi-amplified system. This sharper slope more

aggressively removes high-frequencies from your

subwoofer signal and is often well-suited for

SUV’s, wagons and hatchbacks.

2) “Filter Freq. (Hz)” The filter frequency

markings surrounding these rotary controls

(one in each Channel Section) are for reference

purposes and are generally accurate to within

1/3 octave or better. If you would like to select

the filter cutoff frequency with a higher level

of precision, consult the chart in Appendix B

(page 17).

Tuning Hint: If you are using the XD700/5v2

to drive a subwoofer system (“LP” mode), and

component satellite speaker systems (“HP” mode),

80 Hz is a good baseline “Filter Freq. (Hz)” setting.

After properly adjusting the “Input Sens.”, as

outlined in Appendix A (page 16), you can fine

tune the “Filter Freq. (Hz)” control to achieve the

desired system frequency response.

REMOTE LEVEL CONTROL OPTIONAL

With the addition of the optional Remote

Level Control (HD-RLC), you can control the

volume of the subwoofer channel (Subwoofer

Level) or of the entire XD700/5v2 from the front

of the vehicle (Master Volume).

The HD-RLC connects to the jack labeled

“Remote Level Control” on the Connection

Panel of the amplifier using a standard telephone

cable (supplied with the HD-RLC). If desired,

multiple XD (and HD) amplifiers can be

controlled from a single HD-RLC controller using

a single-line, four-wire phone line splitter and

multiple phone cables.

When connected to the amplifier, the

HD-RLC operates as follows. At full counter-

clockwise rotation, the audio of the selected

channels will mute completely. At full clockwise

rotation the level will be the same as if the

HD-RLC was not connected at all. In other

words, it operates strictly as a level attenuator.

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JL Audio xd700 Manual

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