Nakamichi NDSE100A Digital Sound Processor

Introduction

The Nakamichi NDSE100A is a digital sound processor designed for car audio systems, offering advanced tuning capabilities to enhance audio performance.

Precautions

General Safety:

• [Prohibited Action] Indicates a prohibited action.
• [Prohibited Action] Indicates that disassembly is prohibited.
• [Mandatory Action] Indicates a mandatory action that must be performed.
• [Attention] Indicates that your attention should be paid.
• Operate machine functions only when the vehicle is stopped to avoid accidents.
• Maintain a volume level where outside noise can still be heard while driving to ensure awareness of emergency vehicles and road signals. Excessive volume may cause hearing damage.
• [Prohibited Action] Do not use features that distract while driving.

Product Care & Maintenance:

• Cleaning: Clean with a dry soft cloth. For stubborn dirt, use a soft cloth dampened with water. Avoid solvents.
• Temperature: Operate between -20°C and +70°C.
• Maintenance: If a problem occurs, do not attempt self-repair. Return the product to an authorized Nakamichi dealer or service center.
• System Matching: When using active frequency division, ensure the treble frequency division point is above 1500Hz to prevent tweeter damage.
• Installation Location: Avoid direct sunlight, heat sources, high humidity, water sources, dusty places, and areas with severe vibration.

Installation & Handling:

• Wiring and installation require specialized skills. Contact your dealer for professional installation.
• [Prohibited Action] Do not disassemble or modify the unit, as it may cause accidents, fire, or electric shock.
• Keep small objects like bolts and screws out of reach of children, as swallowing them can cause serious injury.
• The product is suitable only for vehicles with a 12V negative grounded system. Failure to comply may cause fire or other accidents.

Tools and Parts List

Tools that may be needed (depending on the vehicle):

• Panel Removal Tool
• Socket
• Electric drill
• Torx screwdriver
• Phillips screwdriver
• Socket wrench
• Wrench
• Cord cutters
• Crimping Tool
• Wire strippers
• Spectrum analyzer
• Oscilloscope

Parts List:

• USB 2.0 Wire x1
• Mounting bracket x2
• 3x8mm screw x4
• 4x20mm screw x2
• Amplifier x1
• Manual x1

Machine Interface Diagram

The mounting brackets are attached to the bottom of the fuselage.

Top Panel:

• A: AUX-OUTPUT (Low level RCA output, up to 6-channel)
• B: WIRE CONTROLLER (Optional) - For data call and total volume adjustment.
• C: USB Port - For playing music from a USB drive.
• D: PC Port - For linking to computer debugging software.
• E: Power Indicator
• F: MACHINE START MODE SWITCH (ACC or HOST input signal)
• G: HIGH LEVEL INPUT AND OUTPUT PORT (Connects to car audio player)

Power Output: MAX Power: 4CH x 50W

Software Introduction

The Nakamichi NDSE100A can be controlled and tuned using PC software or a mobile app.

PC Software Operation

Tuning Software Download Method:

• Method 1: Visit nakamichicaraudio.com/pages/downloadsNDSE
• Method 2: Scan the QR code (not included in HTML) to get the download address.

Menu Editing Area:

Main functions include: File, Options, Mute, Suppress Output, Clear Output, Connect, Homepage, Mix & Mix, Delay, and Input Source selection.

• File Menu: Load/save scenes to/from the computer.
• Options Menu: Access factory reset, firmware update, language settings, administrator login, password modification, etc.

Mixing Interface:

Adjust mixing and mixing can be done by selecting high level, Bluetooth/device, or USB. The interface varies based on the main sound source.

• Select main audio source (e.g., HiLevel, BT/DEV, Player).
• Select mixing source.
• Note: The mixed audio source cannot be the same as the main audio source.
• Default Output: Resets output configuration.
• Clear Output: Clears output configuration.
• Master Volume adjustment via sliding left/right.
• Connection status indicated by color (e.g., Red for connected, Black for not connected).

Channel Selection Area:

Configure the type of output channel (e.g., Front Left, Rear Right, Subwoofer). Conflicts result in grayed-out channels; empty channels are muted.

Channel Delay, Volume, Phase Editing Area:

• Volume adjustment: Use faders or input values. Mute via speaker icon.
• Phase adjustment: Switch between Normal and Reverse phase.
• Delay range: 0.000~25.000 ms, 0~850 cm, or 0~334.65 inches. Delay unit can be switched.
• Phase angle adjustment is available for high frequency and ultra-low channels.

Channel Divider Editing Area:

Set high and low pass frequencies. Adjustable parameters include filter type (Butterworth, Bessel, Link-Ril), frequency point, and Q value (slope). Slope options range from 6dB/Oct to 48dB/Oct.

Equalizer Editing Area:

• Reset EQ: Restores 31-band equalizer parameters to default.
• Parametric EQ: Adjust frequency and Q value. Graphic equalizer display shows frequency and Q value.
• Straight Through EQ: Resets gain to 0.0 for all EQ points.

Channel EQ Editing Area:

Configure balanced design for output channels. Adjust frequency, Q value (response bandwidth), and gain for 31 frequency bands.

Mobile App

App Download:

• iOS: Search for "NDSE" in the App Store.
• Android: Method 1: Visit nakamichicaraudio.com, download "NDSE". Method 2: Search for "NDSE" on Google Play.

App Interface:

• Main Interface: Share/save sound effects, load local effects, check model/version, exit. Supports 6 preset scenes.
• Connection Status: Black (not connected), Red (connected).
• Scene Presets: 1-6 presets available.
• Audio Source Options: Bluetooth/Device, HiLevel, USB.
• Volume Adjustment: Main volume (-60 to 6), Subwoofer (-6 to 6), Mid/High/Low (-6dB to +6dB). Speaker button mutes master volume.
• Menu: Output channel adjustment, EQ adjustment, mixing mode, system settings, music playback.
• Channel Interface: Channel selection, volume mute, phase (normal/reverse), HPF/LPF settings, joint tuning.
• Delay Unit Switching: Milliseconds, centimeters, inches.
• Output Channel Selection: 6 channels available.

Product Technical Data

Product Parameters

Function Parameters

• Input signal type: 4-channel high level, supports built-in Bluetooth, USB music playback, external Bluetooth.
• Output signal type: 6-channel low level, 4-channel 50W Max power.
• Output gain: Gain range: mute, -60dB ~ -6dB.
• Output signal equalizer: 31-band EQ per channel. Frequency range: 20Hz~20KHz (1Hz resolution). Q value: 0.3~50. Gain: -12.0dB to +12.0dB (0.1dB resolution).
• Output Signal Divider: High and low pass filters. Filter types: Butterworth, Bessel, Link-Ril. Crossover points: 20Hz~20kHz (1Hz resolution). Slope: 6dB/Oct to 48dB/Oct.
• Output Phase and Latency: Adjust phase and time alignment for each output channel. Phase: In Phase or Out Phase (0-180°). Latency: 0.000 to 25.000 milliseconds, 0 to 850 cm, 0 to 334.65 inches.
• Scene operation: Save 6 presets into the device.

Audio Formats Supported by USB Playback

Dimensions

Product Dimensions:

• Length: 173.00 mm
• Width: 122.00 mm
• Height: 43.00 mm

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