NDG500 - Car stereo PIONEER - Free user manual and instructions

Product Type	4-Channel Amplifier (Gateway)
Brand	Pioneer
Model	NDG500
Power Supply	14.4 V DC (10.8 V to 15.1 V allowed)
Grounding	Negative battery terminal
Maximum Current Consumption	10 A
Average Current Consumption	4 A
Fuse	10 A x 1
Weight	0.8 kg (without cables)
Maximum Output Power	50 W × 1 (4 Ω)
Continuous Output Power	22 W × 4 (14.4 V, 4 Ω, 50 Hz - 15 kHz, 5% THD)
Load Impedance	4 Ω (4 Ω to 8 Ω allowed, 2 Ω for one channel)
Frequency Response	20 Hz - 20 kHz (±1.5 dB)
Signal-to-Noise Ratio	60 dB (1 W, 4 Ω, LPF 20 kHz) / 91 dBA (ref. 1 W into 4 Ω)
Total Harmonic Distortion	0.2% or less (1 kHz, LPF 20 kHz)
Channel Separation	50 dB or more (Rg=1 kΩ, 1 kHz, LPF 20 kHz)
Maximum Input Level / Impedance	AUDIO IN: 5.6 V / 22 kΩ
Output Level / Impedance	SPEAKER OUTPUT: 46 V / 10.56 kΩ
Protection	Overload and short-circuit protection circuit
Installation	12 V vehicle, negative ground; adhesive strips included
Maintenance	Clean with a dry cloth; avoid contact with liquids
Operating Temperature	Not specified, but heat must be dissipated

Frequently Asked Questions - NDG500 PIONEER

What is the output power of the NDG500 amplifier?

The maximum output power is 50 W × 1 at 4 Ω. The continuous output power is 22 W × 4 (for 14.4 V, 4 Ω, 50 Hz to 15 kHz, with 5% THD).

What type of fuse to use and what to do if it blows?

Use a 10 A x 1 fuse. Never replace with a higher rated fuse. In case of a blown fuse, check all power and speaker connections, correct the problem, then replace the fuse with an identical one.

How to install the amplifier in the vehicle?

First disconnect the negative battery cable. Choose a rigid, sturdy and well-ventilated location. Use the supplied adhesive strips (hook and loop) to secure the amplifier. Make sure the cables do not interfere with moving parts and are not routed near heat sources.

What to do if the amplifier turns off and no sound comes out?

The protection circuit has cut off the power. Turn off the power, check the connections between the amplifier and speakers, find the cause (short circuit, overheating, etc.) and correct it. If the problem persists, consult a dealer.

What speaker impedance is compatible?

The recommended load impedance is 4 Ω. Impedances from 4 Ω to 8 Ω are allowed, and 2 Ω for a single channel. Do not go below to avoid damaging the amplifier.

Can the amplifier be used with the engine off?

Yes, but be careful of battery drain. It is recommended to turn off the car stereo when the engine is off to avoid excessive discharge.

How to clean and maintain the amplifier?

Clean it with a dry cloth. Never allow the amplifier to come into contact with liquids, as this could cause electric shock or damage the device.

What are important safety precautions?

Always disconnect the battery before installation. Do not touch the amplifier with wet hands. Do not install the unit in a place where it could injure occupants in a sudden stop. Ensure adequate ventilation to avoid overheating.

Is the amplifier compatible with a 24 V battery?

No, it is designed for vehicles with a 12 V negative ground battery. Higher voltage could damage it.

What to do in case of persistent malfunction?

If you cannot solve the problem after checking connections and fuse, consult the dealer or the nearest Pioneer service center.

USER MANUAL NDG500 PIONEER

4-Channel Gateway Amplifier

Contents Before Using This

Before Using This Product 1

Information to User 1

In case of trouble 2

Connecting the Unit 2

Connection Diagram 3

Installation 5

Installing the amplifier 5

Specifications 6

oduct

Thank you for purchasing this PIONEER product. Before attempting operation, be sure to read this manual.

If you want to dispose this product, do not mix it with general household waste. There is a separate collection system for used electronic products in accordance with legislation that requires proper treatment, recovery and recycling.

Private households in the member states of the EU, in Switzerland and Norway may return their used electronic products free of charge to designated collection facilities or to a retailer (if you purchase a similar new one).

For countries not mentioned above, please contact your local authorities for the correct method of disposal.

By doing so you will ensure that your disposed product undergoes the necessary treatment, recovery and recycling and thus prevent potential negative effects on the environment and human health.

Information to User

Alteration or modifications carried out without appropriate authorization may invalidate the user's right to operate the equipment.

WARNING

• Handling the cord on this product or cords associated with accessories sold with the product may expose you to chemicals listed on proposition 65 known to the State of California and other governmental entities to cause cancer and birth defects or other reproductive harm.

Wash hands after handling.

Connecting the Unit

In case of trouble

When the unit does not operate properly, contact your dealer or the nearest authorized PIONEER Service Station.

CAUTION

• Never replace the fuse with one of greater value or rating than the original fuse. Use of an improper fuse could result in overheating and smoke and could cause damage to the product and injury including burns.

WARNING

• Do not touch the amplifier with wet hands. Otherwise you may get an electric shock. Also, do not touch the amplifier when it is wet.
• For traffic safety and to maintain safe driving conditions, keep the volume low enough so that you can still hear normal traffic sound.
• Check the connections of the power supply and speakers if the amplifier fuse blows. Detect the cause and solve the problem, then replace the fuse with another one of the same size and rating.
• To prevent malfunction of the amplifier and speakers, the protective circuit will cut the power supply to the amplifier (sound will stop) when an abnormal condition occurs. In such a case, switch the power to the system OFF and check the connection of the power supply and speakers. Detect the cause and solve the problem.
• Contact the dealer if you cannot detect the cause.
• To prevent an electric shock or short-circuit during connection and installation, be sure to disconnect the negative (-) terminal of the battery beforehand.
• DO NOT allow amplifier to come into contact with liquids due to, for example, the location where the amplifier is installed. Electrical shock could result. Also, amplifier and speaker damage, smoke, and overheating could result from contact with liquids. In addition, the amplifier surface and the surface of any attached speakers could become hot to the touch and minor burns could result.

CAUTION

• Disconnect the negative (-) terminal of the battery to avoid the risk of short-circuit and damage to the unit.
• Do not route wires where they will get hot, for example where the heater will blow over them. If the insulation heats up, it may become damaged, resulting in a short-circuit through the vehicle body.
• Make sure that wires will not interfere with moving parts of the vehicle, such as the gearshift, handbrake or seat sliding mechanism.
• Do not shorten any wires. Otherwise the protection circuit may fail to work when it should.
• Never feed power to other equipment by cutting the insulation of the power supply wire to tap from the wire. The current capacity of the wire will be exceeded, causing overheating.
• Never replace the fuse with one of greater value or rating than the original fuse. Use of an improper fuse could result in overheating and smoke and could cause damage to the product and injury including burns.

CAUTION

To prevent damage and/or injury

• This unit is for vehicles with a 12-volt battery and negative grounding. Before installing it in a recreational vehicle, truck or bus, check the battery voltage.
• If the car stereo is kept on for a long time while the engine is at rest or idling, the battery may go dead. Turn the car stereo off when the engine is at rest or idling.

Connection Diagram

CAUTION

• Do not install in:
  Places where it could injure the driver or passengers if the vehicle stops suddenly.
  Places where it may interfere with the driver, such as on the floor in front of the driver's seat.
• Make sure that wires are not caught in the sliding mechanism of the seats, resulting in a short-circuit.
• DO NOT allow amplifier to come into contact with liquids due to, for example, the location where the amplifier is installed. Electrical shock could result. Also, amplifier and speaker damage, smoke, and overheating could result from contact with liquids. In addition, the amplifier surface and the surface of any attached speakers could become hot to the touch and minor burns could result.
• To ensure proper installation, use the supplied parts in the manner specified. If any parts other than the supplied ones are used, they may damage internal parts of the amplifier, or they may become loose causing the amplifier to shut down.
• Never replace the fuse with one of greater value or rating than the original fuse. Use of an improper fuse could result in overheating and smoke and could cause damage to the product and injury including burns.
• The cords must not cover up the area shown in the figure below. This is necessary to allow the amplifiers to heat dissipate freely.

Do not cover these areas.

CAUTION

To prevent malfunction and/or injury

• To ensure proper heat dissipation of the amplifier, be sure of the following during installation.
  -Allow adequate space above the amplifier for proper ventilation.
  -Do not cover the amplifier with a floor mat or carpet.
• DO NOT allow amplifier to come into contact with liquids due to, for example, the location where the amplifier is installed. Electrical shock could result. Also, amplifier and speaker damage, smoke, and overheating could result from contact with liquids. In addition, the amplifier surface and the surface of any attached speakers could become hot to the touch and minor burns could result.
• Do not install the amplifier on unstable places such as the spare tire board.
• The best location for installation differs with the car model and installation location. Secure the amplifier at a sufficiently rigid location.
• Make temporary connections first and check that the amplifier and the system operate properly.
  After installing the amplifier, confirm that the spare tire, jack and tools can be easily removed.

Installing the amplifier

Adhere the hook fastener (provided) to the bottom of the amplifier and adhere the loop fastener (provided) to the installation location.

Notes:

• Direct installation on the carpet is possible if the hook fastener will adhere to the carpet. Do not use the loop fastener in this case.
• Thoroughly wipe off the surface before affixing the hook and loop fastener.

Specifications

Power source 14.4 V DC (10.8 V to 15.1 V allowable)

Grounding system Negative type

Max. current consumption 10 A (at continuous power, 4

Average current consumption 4 A

Fuse 10 A x 1

Dimensions 140 mm (W) × 28 mm (H) × 174 mm (D)

Weight 0.8 kg (Leads for wiring not included)

Maximum power output 50 W x 1 (4 Ω)

Continuous power output 22 W × 4 (at 14.4 V, 4 Ω, 50 Hz to 15 kHz 5% THD)

Load impedance 4 Ω (4 Ω to 8 Ω allowable (2 Ω for one channel))

Frequency response 0±1.5 dB (20 Hz/1 kHz, 20 kHz/1 kHz)

Signal-to-noise ratio 60 dB (1 W into 4 Ω LPF 20 kHz)

Distortion 0.2% or less (1 kHz 20 kHz-LPF)

Separation 50 dB or more (Rg=1 kΩ, 1 kHz 20 kHz-LPF)

Maximum input level / impedance AUDIO IN: 5.6V / 22k

SPEAKER OUTPUT: 46V / 10.56k

Power output 12 W RMS × 4 channels

(4Ωand 量 %THD+N)

Signal-to-noise ratio 91 dBA (Reference: 1 W into 4 Ω)

Note:

• Specifications and the design are subject to possible modification without notice due to improvements.

PIONEER Products. Diese

Dimensions 140 mm (L) × 28 mm (H) × 174 mm (P)

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Published by Pioneer Corporation.

Copyright © 2008 by Pioneer Corporation.

All rights reserved.

Publication de Pioneer Corporation.

Copyright © 2008 Pioneer Corporation.