Setting the Treble Control

 

Setting the Bass Type

You can change the Treble Frequency emphasis to create your own tonal preference.

1 Press the CENTER f button to select the Treble setting mode.

Each press changes the modes as follows:

→Bassmodesetting → Treblemode setting → Normalmode

2-1Setting Treble frequency:

Press g or f button to select the desired Treble center frequency.

10kHz ↔ 12.5kHz ↔ 15kHz ↔ 17.5kHz

Emphasizes the displayed Treble frequency ranges.

2-2Setting Treble Level:

Turn the Rotary encoder to select the desired Treble Level (-7~+7).

You can emphasize the treble frequency.

NOTES

•If no buttons are pressed within 15 seconds, the Treble control setting will be turned off automatically.

•The settings of the Treble Level will be individually memorized for each source (FM, AM and CD) until the setting is changed. The Treble frequency settings adjusted for one source are effective for all other sources (FM, AM and CD).

This function allows for 3 different Bass type settings. Select the one that appeals to you the most.

1 Press and hold the CENTER f button for at least 2 seconds to set the Bass Type.

2 Select the desired type (1 through 3) by pressing the g or f button within 15 seconds.

Type 1 will sound best if you have a subwoofer in your system. Use Type 2 or 3 if you are using small diameter speakers.

3 Press the CENTER f button for at least 2 seconds to return to the normal mode.

NOTES

•“Bass Center Frequency” and “Bass Band Width” previously set are replaced when selecting TYPE 1 through 3. When Bass Type is OFF, your previous settings are restored.

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Alpine CDM-9823, CDM-9821 owner manual Setting the Treble Control Setting the Bass Type
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CDM-9823, CDM-9821 specifications

The Alpine CDM-9823 and CDM-9821 are sophisticated car audio units that redefine the in-car listening experience, combining state-of-the-art technology with user-friendly features. Both models are a part of Alpine's commitment to high-quality sound and innovative design.

Starting with the Alpine CDM-9823, this model stands out due to its remarkable power and audio performance. It boasts an impressive 50 watts per channel peak power, driven by its high-efficiency amplifier. This means that even at high volumes, the sound remains clean and distortion-free, a characteristic highly sought after by audiophiles. One of its key features is the inclusion of a 24-bit DAC that ensures superior sound quality, allowing listeners to enjoy their favorite tracks with crystal clarity.

The CDM-9823 is equipped with a versatile media playback capability, supporting various formats including MP3 and WMA, which allows users to enjoy their digital music collections seamlessly. Additionally, the unit comes with a built-in tuner that supports RDS, enriching the radio listening experience with program information and song details. The user-friendly interface includes a vibrant display that provides easy navigation through different media options, enhancing overall usability.

On the other hand, the Alpine CDM-9821 shares many features with the 9823 but presents a more streamlined option for users who might not need all the advanced capabilities. It still maintains a robust power output and supports multiple audio formats. The CDM-9821 also features an auxiliary input, making it easy to connect external devices like smartphones or tablets.

Both models are designed with customization in mind, featuring a 3-band EQ that allows users to tweak their sound preferences to suit their taste. The built-in crossover settings further enhance audio fidelity, enabling users to optimize sound for different speakers in their vehicle.

In terms of technologies, both models utilize Alpine's proprietary technologies, such as their advanced noise reduction and sound enhancement features that ensure a superior listening experience even in noisy environments. Their compact design allows for easy installation in various vehicle types.

In conclusion, the Alpine CDM-9823 and CDM-9821 represent a fusion of quality craftsmanship, functionality, and advanced technology in car audio systems. With their impressive power, extensive media support, and superior sound quality, these units provide an exceptional audio experience for any journey. Whether you value advanced features or a simpler setup, Alpine caters to diverse needs while maintaining a commitment to excellence in car audio.
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