• Crossover mode is automatically canceled if no buttons are pressed within 15 seconds.
• To cancel Crossover mode for all music source, press the MODE button to turn Crossover off.
9-EN
When setting to “F/R/Sub.W ”:
The unit can be operated 1n 2 way system.
3WAY F/R Sub. W
3 Press the g DN button or the f UP button to select desired cut-off frequency point(cross over point).
Adjustable frequency bands:
LOW : 20Hz to 200Hz(in 1/3 octave steps)
MID-L: 20Hz to 200Hz(in 1/3 octave steps)
MID-H: 20Hz to 20KHz(in 1/3 octave steps)
HIGH : 1KHz to 20KHz(in 1/3 octave steps)
4 Press the SOURCE button to select desired slope. Adjustable slope: FLAT(OFF)∗ ,6, 12, 18 or 24 dB/oct. ∗ FLAT cannot be set for the HIGH slope.
5 Turn the Rotary encoder to select the desired output level.
Adjustable output level: -12 to 0 dB.
To store the adjusted contents
1) Press and hold any one of the Preset buttons (1 through 6) for at least 2 seconds into which you wish to store the adjusted curve.
6 For setting another channel, repeat the steps 2 to 5.
7 After setting, press the T.CORR button to return to the normal mode.
NOTES
• About the 2way/3way system
You can switch to 2way/3way system mode with the 2way/ 3way switch on the side of the unit.(See on page 47)
When setting to “3 WAY ”:
The unit can be operated 1n 3 way system.

Adjusting and Storing the Crossover

Before performing the following procedures, refer to “About the Crossover ”(Page 8)

1 Press and hold the T.CORR button for at least 3 seconds.

< 2 WAY System >

2 Press the BAND button to select desired parameter.

<CDA-7998 >

→SUB.W → REAR → FRONT

<CDA-7897 >

→LOW(Subwoofer) → FRONT-HI → REAR-HI

3 Press the g DN button or the f UP button to select desired cut-off frequency point(cross over point).

Adjustable frequency bands: 20Hz to 200Hz(in 1/3 octave steps)

4 Press the SOURCE button to select desired slope. Adjustable slope: FLAT(OFF),6, 12, 18 or 24 dB/oct.

5 Turn the Rotary encoder to select the desired output level.

Adjustable output level: -12 to 0 dB.

To store the adjusted contents

1)Press and hold any one of the Preset buttons (1 through 6) for at least 2 seconds into which you wish to store the adjusted curve.

6 For setting another channel, repeat the steps 2 to 5.

7 After setting, press the T.CORR button to return to the normal mode.

NOTES

•Crossover mode is automatically canceled if no buttons are pressed within 15 seconds.

•To cancel Crossover mode for all music source, press the MODE button to turn Crossover off.

< 3 WAY System >

2 Press the BAND button to select desired parameter. → LOW → MID-L → MID-H → HIGH

Page 10 Page 12
Page 11
Image 11
Alpine CDA-7998 owner manual Adjusting and Storing the Crossover, WAY System, CDA-7897, To store the adjusted contents
Page 10 Page 12

CDA-7998 specifications

The Alpine CDA-7998 is a high-performance car audio receiver renowned for its advanced features and superior sound quality. Designed for audiophiles and car enthusiasts alike, this model combines cutting-edge technology with a user-friendly interface to enhance the in-car listening experience.

One of the standout features of the CDA-7998 is its exceptional audio quality. The receiver is equipped with a 24-bit digital-to-analog converter (DAC), which processes sound with unparalleled precision, reducing distortion and increasing clarity. This technology allows users to enjoy their favorite music with exceptional accuracy, making every note and tone come alive.

Another remarkable aspect of the CDA-7998 is its versatile connectivity options. The unit includes a front USB input, enabling easy connection to various devices, such as flash drives or smartphones. Additionally, it incorporates a 3.5 mm auxiliary input for added flexibility, allowing users to connect external devices with ease. The receiver supports playback of various audio formats, including MP3, WMA, and AAC, providing users with a vast library of music to choose from.

The CDA-7998 also features Bluetooth technology, which allows for hands-free calling and wireless audio streaming. This is particularly beneficial for maintaining focus on the road while enjoying a seamless connection to mobile devices. The built-in microphone ensures clear communication during calls, while the audio streaming feature allows users to enjoy their playlist without the hassle of cables.

Customization is a key aspect of the CDA-7998. The receiver includes a 3-band parametric equalizer, enabling users to adjust bass, midrange, and treble frequencies according to their preferences. Additionally, with its customizable color display and button illumination, users can personalize the aesthetic of their car’s interior, enhancing the overall experience.

Furthermore, the CDA-7998 supports additional amplification with its dedicated line outputs for front, rear, and subwoofer channels. This allows for a multi-channel audio setup, delivering an immersive sound experience that can satisfy even the most discerning listeners.

Overall, the Alpine CDA-7998 is a sophisticated car audio receiver that combines advanced technology with unparalleled sound quality and customization options, making it an ideal choice for anyone looking to elevate their in-car audio experience.
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