Aunex AP Series User manual
AP Series 1 Channel Ampliers
Performance Class D Mono Amplier Series
Models: AP800.1D, AP1200.1D
Installation and Operation Manual
Please take time to thoroughly read through this manual to familiarize yourself with your new amplier.
This will ensure that your amplier will perform at its optimum capabilities.
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AP1200.1D
AP800.1D
1
Congratulations and thank you for purchasing an Aunex AP Series
Amplier. 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 amplier.
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 amplier 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
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.
2
Feature Set of the AP Series Mono Ampliers
• Heavy Density Aluminum Extruded Heatsink
• 2 Layer PCB, SMD Technology
• Dierential Balanced RCA Inputs
• Fully Variable Crossover 30Hz – 500Hz @ 24dB/Octave Slope
• Fully Variable Infrasonic Filter 10Hz – 50Hz @ 24dB/Octave
• Boost Eq. 0 – 18dB @ 45Hz Center
• Fully Variable Phase 0 - 180⁰
• Auto-sensing 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 Amplier is powered On
o Red Indicates the Amplier 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 Texture Paint
What’s Included
• (1) AP Series Mono Class D Amplier
• (1) Remote Level Controller and Cable
• (1) High Level Speaker Plug
• (6) Self Tapping Screws; (4) for Amplier, (2) for Remote
• (2) Allen Wrenches
• (1) Instruction Manual
• (1) Sticker
3
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 sucient
room for your installation placement preference.
4
Mounting Placement
Choose a structurally sound location to mount your Aunex
amplier, 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 ampliers 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.
Important Installation Precautions Continued
• Install this product in a dry location away from your vehicles’
safety equipment. Keeping the amplier 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 amplier with the top ns facing down as
this may increase the operating temperature of your amplier.
• If mounting underneath a seat, make sure that there is at least
1 inch (25mm) of space above the amplier to permit proper
cooling.
• Avoid mounting the ampliers on a subwoofer enclosure as
prolonged excessive vibration may damage your amplier.
5
Side Panel Layout
1 2
9 10 11 12 13
3 4 5 6 7 8
1. Remote Level Control: With the Remote Level Control plugged
to your amplier, you can now adjust the amount of output of
your subwoofer from the convenience of this controller.
6
Side Panel Layout Continued
2. High Level Input: These are your High-Level Speaker
Input that are used to connect your speaker outputs from your
headunit / source unit to your amplier. (Note only one type of
input is needed to send signal to your amplier, therefore
you only need to use either your Low Level or High-Level
input. Aunex does not recommend connecting both Inputs
simultaneously.)
3. Low Level RCA Inputs: These are your dierential
balanced inputs that are used to connect audio signal from your
headunit / source unit to your amplier. (Note only one type of
input is needed to send signal to your amplier, therefore
you only need to use either your Low Level or High-Level
input. Aunex does not recommend connecting both Inputs
simultaneously.)
4. Input Gain: Use these Input Gain Potentiometers to match the
output voltage of your headunit / source unit to the input circuit
of your amplier. 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 ampliers clockwise until
you can hear distortion from your speakers or subwoofers. Then
turn the gains down (counterclockwise) till the distortion is no
longer heard.
7
Side Panel Layout Continued
5. Infrasonic Filter: This variable potentiometer will provide a roll
o point for lower frequencies (10Hz – 50Hz variable) that could
potentially damage your subwoofers from over-excursion. The
frequency setting for your Infrasonic Filter is to be set relative to
your speaker’s low-frequency capabilities along with enclosure
tuning. In a sealed box Aunex recommends setting the
Infrasonic Filter between 25Hz – 35Hz. In a ported enclosure
Aunex recommends setting the Infrasonic lter at ½ an Octave
below your tuned frequency.
For example, let say your ported enclosure is tuned at 40Hz.
Take ½ of 40Hz which is 20Hz (this is one octave lower). Now
take another half o 20Hz which is then 10Hz (this is half an
octave lower). Now take 10Hz from 40Hz which is 30Hz and
where you should set your Infrasonic Filter.
6. Boost Eq: Your AP Series ampliers incorporates a Boost Eq.
circuit that can increase output 0-18dB centered at 45Hz. Note
if you turn up the Boost Eq, you will need to readjust the Input
Gains to avoid clipping the output signal.
7. Phase Switch: Depending on the absolute phase of your main
speakers and amplier and the distances of the subwoofer and
the main speaker from the main listening position, the bass in
the crossover region maybe smoother if you reverse the
subwoofer’s phase. Try both settings to determine which
polarity produces the best overall bass performance in your
system. Typically, though, phase is left at the 0⁰ for most
installation.
8. Low Pass (LP) Filter Frequency Filter: This potentiometer
allows you to adjust the crossover frequency from 30Hz – 500Hz.
8
9. Speaker Outputs: Your AC amplier speaker outputs are
designed to accept 16 AWG to 12 AWG wire. Turn the set screws
on this terminal counterclockwise to loosen the screws 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.
Loading your amplier below the recommended
impedance rating found on page 14 is not recommended
and may cause your amplier to enter into protection mode
and may void your warranty.
For maximum current ow, Aunex recommends that you tin
your speaker wire before connecting it to the speaker output
terminals. In addition, Aunex recommends using high
quality 100% OFC (Oxygen Free Copper) or Tinned 100% OFC
speaker wire. This will ensure that your speaker / subwoofer
receives maximum output from your amplier.
10. Fuse Holder: This is your fuse block. Should there be a short in
your system or if your amplier is being overdriven, these fuse(s)
will typically burn to prevent damage to your amplier. If it is
required to replace your fuse(s), use the same fuse rating that
comes with your amplier. Using a higher fuse may damage
your amplier and will void your warranty.
11. +12Volt Positive Terminal: The +12Volt positive terminal is
designed to accept up to 4 AWG wire. Use the supplied fuse
block and make your +12Volt connection directly to the positive
battery post. The Fuse should be installed within 18” (457mm)
of the battery. This fuse is vital to protecting the vehicle and
amplifier from a dead short. Turn the set screws on
this terminal counterclockwise to loosen the screw using the
supplied Hex wrench. Strip the PVC jacket from your power wire
½ inch (12mm). Then insert the bare wire into the terminal block
so that no bare power wire is exposed. Then tighten the set
screw by turning it clockwise.
Side Panel Layout Continued
9
For maximum current ow, Aunex recommends that you tin
your power wire before connecting it to the +12Volt terminal. In
addition, Aunex recommends using high quality 100% OFC
(Oxygen Free Copper) or Tinned 100% OFC speaker wire. This
will ensure that your speaker / subwoofer receives maximum
output from your amplier.
12. Remote Input Terminal: This terminal must be connected to
a switched +12Volt source. If the source unit does not have a
remote Turn on lead, then a switched +12 supply should be
used such as the ACC +12Volt. Run an 18-gauge wire from the
Remote Turn-On Lead from your headunit / source unit to this
terminal.
If you are using the High-Level Speaker Outputs connection
to the ampliers’ RCA inputs, you do not need to connect
a remote input to your amplier. Your amplier will
automatically detect the speaker signal and will turn on
your amplier via its DC Oset circuit. In addition, the
remote input terminal then becomes a remote output
trigger which can be used to turn on another amplier or
processor that requires a +12volt remote connection.
13. Ground: The ground terminal is designed to accept up to 4
AWG wire. Make your ground connection directly to the chassis
of the vehicle as close to the amplier as possible. Make sure
this connection is made with the same gauge wire as used for
your +12Volt connection. Ensure that all dirt, grease and paint is
removed from your chassis ground point prior to attaching the
ground wire. Aunex recommends when making your chassis
ground to use a star washer which will help prevent your
ground bolt from loosening.
Side Panel Layout Continued
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