Aunex AM Series Manuel utilisateur

AM Series Ampliers

Mini Class D Digital Amplier Series

Models: AM500.2D, AM700.4D, AM800.1D

Installation and Operation Manual

Please take time to thoroughly read through this manual to familiarize yourself with your new amplier.

This will ensure that your amplier will perform at its optimum capabilities.

Para obtener una copia de este manual en español, visite www.aunexusa.com y luego vaya a la página

del producto que necesita. Haga clic en la pestaña Soporte y descargue su manual en español.

Congratulations and thank you for purchasing an Aunex AM Series

Amplier. This product has been engineered and manufactured

utilizing precision quality parts and craftsmanship. Improvements

in sound quality and system performance will be greatly enhanced

with the use of this amplier.

To ensure maximum performance we highly recommend you have

your new Aunex product installed by an Authorized Aunex Dealer.

Should you decide to install this product yourself, please make

sure to read this manual thoroughly to familiarize yourself with

the necessary installation requirements and tuning procedures.

Please read your warranty and retain a copy of your purchase

receipt and original carton should your equalizer ever needs

to be serviced and warranted.

Visit our website for the latest information on all Aunex products

at: www.aunexusa.com. If you have any questions regarding

this product, please contact your Authorized Aunex Dealer for

assistance or call / email Aunex Technical Support Department at

(909) 589-5010 / [email protected].

Caution: Continuous exposure to sound pressure levels over 100dB

may cause permanent hearing loss. High powered audio systems can

produce sound pressure levels that can exceed over 150dB. Please limit

your exposure to continuous high listening volumes.

General Feature Set of the AM Series Ampliers

• Heavy Density Aluminum Extruded Heatsink

• 4 Layer PCB, SMD Technology

• Conformal Coated PCB

• Dierential Balanced RCA Inputs

• Output Clipping Indicators

• Autosensing in High Level Input Mode

o Remote Input Becomes Remote Output Trigger if High

level Input is used.

• Power and Protection Logo Illuminated Status Indicator

o Blue Indicates Amplier is powered On

o Red Indicates the Amplier is in Protection

• 4 Gauge Power & Ground Terminals

• 12 Gauge Speaker Output Terminals

• Advance Protection Circuit Monitoring: Short, Thermal,

Overload and Impedance

• Finish: Anodized with Brush Finish

AM500.2D Feature Specic

• Fully Variable Crossover 12dB/Octave Slope

• Dual Boost Circuitry Active in HP and LP Modes 0 – 18dB

AM700.4D Feature Specic

• Fully Variable Crossover 12dB/Octave Slope

• Input Mode Selector (2Ch. or 4 Ch.)

AM800.1D Feature Specic

• Fully Variable Crossover 24dB/Octave

• Fully Variable Infrasonic Filter 10Hz – 50Hz @ 24dB/Octave

• Power Optimization Circuit to Regulate Output into 2 Ohms

• Boost Eq. 0 – 18dB @ 45Hz Center

• Remote Level Controller

What’s Included

• (1) AM Series Mini Amplier

• (1) In-Line Fuse Holder with Mini ANL Fuse

o AM500.2D is supplied with a 50A Fuse

o AM700.4D is supplied with a 60A Fuse

o AM800.1D is supplied with a 80A Fuse

• (4) Self Tapping Screws and (4) Washers

o (AM500.2D & AM700.4D)

• (6) Self Tapping Screws; (4) for Amplier, (2) for Remote

o (AM800.1D)

• (1) Remote Level Controller, Cable and Wing Adapter

o (AM800.1D)

• (2) Allen Wrenches

• (1) Instruction Manual

• (1) Sticker

Important Safety Considerations

• To prevent personal injury and damage to the unit, please read

the following instructions in this manual.

• This product is designed to use in vehicles with 12Volt,

negative-ground electrical systems.

• Install this product in a dry location away from your vehicles’

safety equipment (airbags, seat belt system, etc.). Water and

humidity may damage internal components.

• Use the included mounting accessories to secure this product

so that it does not come loose.

• Check before drilling to make sure you do not drill into any vital

vehicle system.

• Protect all system wiring from sharp metal edges.

• Do not disassemble or modify this unit; doing so will void your

manufacturer’s warranty.

Important Installation Precautions

Installation of mobile audio equipment requires experience.

Although this manual provides general installation procedures,

it will not show the exact installation method for your particular

vehicle.

If you do not have the required knowledge and experience,

we recommend that you have your equipment installed by an

Authorized Aunex Dealer.

• Turn o all stereo and other electrical devices before you begin.

• Disconnect the negative (-) lead from your vehicle’s battery to

avoid an electrical short. Reconnect the negative lead to your

battery once your installation is complete. So, in other words

the negative lead from our vehicle’s battery is the rst

connection you remove before starting your installation and

the last connect your make after you nish your installation.

• Check your mounting location to make sure there is sucient

room for your installation placement preference.

• Install this product in a dry location away from your vehicles’

safety equipment. Each AC Series amplier circuit board has

been coated with a protective layer of Conformal Coating. This

will help protect the electronic circuit from harsh environments

that may contain humidity and a range of airborne contaminants

and varying temperatures. However prolonged exposure to

water and high humidity may damage internal components in

time. Keeping the amplier dry and installed in a well-ventilated

area will help ensure many years of listening enjoyment.

• When running power cables through sheet metal it is best to

use grommets and loom to properly insulate your cables from

metal edges.

• Avoid mounting the amplier with the top ns facing down as

this may increase the operating temperature of your amplier.

• If mounting underneath a seat, make sure that there is at least

1 inch (25mm) of space above the amplier to permit proper

cooling.

• Avoid mounting the ampliers on a subwoofer enclosure as

prolonged excessive vibration may damage your amplier.

Mounting Placement

Choose a structurally sound location to mount your Aunex

amplier, making sure there are no items behind the area where

the screws will be driven.

For optimum sound quality, it is highly recommended that you

purchase Aunex wiring accessories as they are designed to give

your ampliers high-quality signal it needs to operate at peak

performance levels. Aunex provides a wide selection from

RCA cables and power wire to speaker wire and battery

connectors.

Side Panel Layout

5 6

AM500.2D

Side Panel Layout Continued

2 2

3 34 4

1 1

AM700.4D

7 8 9 10

AM800.1D

Side Panel Layout Continued

1 2 4 5 612 13

7 8 9 10

1. Low Level RCA Inputs: These are your dierential balanced

inputs that are used to connect audio signal from your headunit

/ source unit to your amplier. Your AM Series Amplier is

capable to receiving either High Level Speaker Outputs or

Low-Level RCA cables. If you are using High Level Speaker

outputs, you may need a high to low level adapter such as the

Aunex AP-SL2 adapter.

2. Input Gain: Use these Input Gain Potentiometers to match the

output voltage of your headunit / source unit to the input circuit

of your amplier. These Input Gains are not a volume knob. A

simple method of setting your Input Gains is to turn your

headunit / source unit up to approximately ¾ volume. Then

slowly adjust your Input Gains on your ampliers clockwise until

you can hear distortion from your speakers or subwoofers. Then

turn the gains down (counterclockwise) till the distortion is no

longer heard and your clipping indicators are not lit.

3. Crossover Filter Selector: Depending on how you will use

your AM Amplier, you will select the appropriate setting on the

Crossover Switch. Set the Crossover Switch to LP mode if you

are using Subwoofers or MidBass drivers. Set the switch to HP

if you want the amplier’s internal crossover to serve as a high

pass lter. When the switch is set to the Full position will allow

the amplier to send its full bandwidth to your speakers. Avoid

changing the crossover switches with the audio system

playing at high volumes as this may damage your speakers.

4. Filter Frequency Filter: This potentiometer is used to adjust

the crossover frequency from 40Hz – 400Hz in both HP Mode

(High Pass) and LP Mode (Low Pass). (The AM800.1D has a LP

/ Low Pass Crossover that is variable from 50Hz - 250Hz.)

Side Panel Layout Continued

5. Boost Eq: The AM500.2D amplier incorporates a two stage

Boost Eq. circuit that is not only active in Low Pass Mode but is

also active in High Pass Mode. In Low Pass Mode, the Boost

Eq. can increase output 0-18dB centered at 45Hz. In High Pass

Mode, the Boost Eq can increase output 0-18dB centered at

12kHz. (The AM800.1D Boost Eq. circuit can increase output

0-18dB centered at 45Hz. The AM700.4D does not

incorporate this Boost Eq. feature.)

Note if you turn up the Boost Eq, you will need to readjust

the Input Gains to avoid clipping the output signal. Using the

Clipping LED’s will help set your Boost Eq and Input Gains

properly.

6. Clipping Led Indicators: These LED’s will light up when the

amplier output signal is being clipped. When the LED’s starts

to glow, your amplier output is between 1-2% THD (Total

Harmonic Distortion). When the clipping indicators are fully lit,

your amplier output is between 6-7% THD (Total Harmonic

Distortion). The ideal gain setting is where the clip indicators are

not lit allowing the amplier to send undistorted clean output.

Setting the ampliers gains improperly where the clip indicators

are always lit will over-work the amplier and may cause

excessive heat building and possibly product failure.

7. Speaker Outputs: Your AM amplier speaker outputs are

designed to accept 16 AWG to 12 AWG wire. Turn the set

screws on this terminal counterclockwise to loosen the screw

using the supplied Hex wrench. Strip the PVC jacket from

your speaker wire ½ inch (12mm). Then insert the bare wire

into the terminal block so that no bare speaker wire is

exposed. Then tighten the set screw by turning it clockwise.

Side Panel Layout Continued

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