Audiosystem X Series Bedienungsanleitung

designed and engineered by audio system Germany

High-Performance

Car-amplifier

owner‘s manual

since 1988

german sound

X-500.1 MD

by Audio system

features

-2-

IMPORTANT: Your proof of purchase is evidence of warranty claim for repair or replacement.

Keep your proof of purchase, manual and original packaging.

Congratulation on your purchase of your new X-Series amplifier.

ATTENTION: Use of sound components can impair your ability to hear necessary traffic sounds

and may constitute a hazard while driving your automobile.

Audio SystemGermany accepts no liability for hearing loss, bodily injury or

property damage as a result of use or misuse of our products. We recommend installing the

ATTENTION: Pay attention to advices and instructions of the car manufacturer.

IMPORTANT: Before installation your power amplifier, we recommend to read the owner´s

manual carefully and to follow the instructions regarding connection and fitting exactly.

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- Variable lowpass filter from 40 to 250 Hz

- Digital Mono High Power amplifier with Micro-SMD Technology and MOS-FET PWM Power Supply

- Stable from 4 to 2 ohm mono

- Variable switchable subsonic filter from 10 to 50 Hz

- RTC bass level controller included

- High-Level-Input with automatically „TURN ON“

- Very fast and reliable music signal detection

- Input Sensitivity: variable 200 mV maximum to 6 V minimum

X-500.1 md

Power connection

-3-

4. Remote connection:

Connect the REM-terminal of the amplifier to the remote-output (automatic 12 V antenna-output) of

3. +12 V Power connection:

Connect the +12 V contact of the amplifier with the supply cable via a fuse directly to the vehicle

battery. Keep in mind, that the length of the cable from fuseholder to vehicle battery has to be

maximum 30cm. For the amplifier to function at its best, use a high quality fuse holder and suitable

cable. This fuse protects the amplifier and the vehicle against the possibility of a short circuit in the

power cable.

1. Battery disconnection:

First, disconnect the power supply of the

vehicle by removing the ground cable of

the battery.

2. Ground connection:

Connect the GND (ground) connection

of the amplifier with the car chassis.

Keep this cable as short as possible (not

longer than 50 cm) and use a suitable

cross section.

Make sure, that the connection with the

a) Take care of a professional attachement. Pay attention, that no electrical cable, gas tank,

hydraulic

breakes or other components get damaged.

b) There has to be enough cooling and air circulation. Avoid the installation in small closed

boxes or close to

heatening parts.

c) Protect the amplifier from fluids, wetness, heat and foreign material as well as from other

influences.

d) The amplifier is only to be built into vehicles with a 12 V DC power supply.

e) Never install the power supply cable with other original wires of the vehicle (gas cables),

fan motors,

brand control moduls etc.

Please follow the instructions during the installation of your amplifier:

ATTENTION

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Remote

Connection

HEAD UNIT

X-500.1 MD

BATTERY

GROUND

fuse

-4-

RCA connection

The X Series amplifiers have RCA inputs, which are connected by RCA cables to the preamp

outputs of the head unit. If this is not possible (usually in an original radio, OEM) the speaker outputs

of the car radio can be connected directly to the RCA / Cinch inputs of the amplifier. In this case, the

Input Mode must be switched to "HI". It is important that the gain potentiometer is first set to

minimum and turned up carefully when handling.

The power stage is automatically turned on when a signal is present. Using the variable high pass

filter (HPF) - and low-pass filter (LPF), the gain knob can be seen on his personal tastes, on the

characteristics of the car and the speakers set the amplifier individually. Optionally, you can connect a

wired remote RTC to control to adjust the gain from another position in the car.

AUDIO SYSTEM germany, recommends that you leave your amplifier set by a

specialist company, specialist dealer or a specialist to meet your needs.

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HI / LOW Switch

Gain

Lowpass-

filter

frequency

Subsonic-

filter

on/off

X-500.1 MD

GAIN

X-500.1 MD

IN 2

IN 1

X-500.1 MD

Wired remote control

RTC

Subsonic-

filter

frequency

HEAD UNIT

X-500.1 MD

-5-

speaker connection

Speaker

Impedance

2 ~ 4 ohm

signal detection

The X Series power amplifier has a signal auto-detection. This is required if the OEM output

has no overlying 6-volt DC signal. To turn on the signal detection, the switch position from BTL to SE

has to be set

Position SE (Signal Detection):

Automatic switch for control devices

or active systems with

Class-D amplifiers.

Position BTL:

Automatic switch for standard

control units with high power

outputs

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SUBWOOFER

Subwoofer-Betrieb

X-500.1 md

-6-

troubleshooting

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This power amplifier is featured with an efficient protection system to prevent any damages like

over-heating, overvoltage, short-circuit and DC at the loudspeaker output.

Occuring an error the protection-LED will light in red. In order to check the problem, first turn

down all levels of the head unit, afterwards turn it off.

AMPLIFIER IS NOT

POWERED UP, NO LED IS

LIGHTENING

- ground connection professional connected?

- remote cable professional connected?

- fuses inserted and alright?

- analyze voltage on the amplifier.

- +12V powercable professional connected?

- head unit alright?

- loudspeaker professional connected?

- cinch cable alrigth and professional connected

- amplifier too hot?

- short-circuit at the loudspeaker output?

- short-circuit caused by loudspeaker cable with vehicle chassis (ground)?

- input voltage too high (e.g.faulty generator)?

WHILE AMPLIFIER IS

SOUNDLESS

ILLUMINATES BLUE

PROTECTION LED

ILLUMINATES RED

WHEN AMPLIFIER IS

POWERED UP

ERROR IN AMPLIFIER FUSE

Make sure when changing fuses to use the same value.

- loudspeaker impedance alright?

! CAUTION !

- ground professional connected?

LOW-DISTORTED SOUND

SOUND TOO LOW OR

(Check head unit, amplilfier, DSP, soundprozessor, equalizer,

frequency bandpassfilter...)

- input level control “GAIN” is set to match the head unit?

- output level control of the head unit alright?

- loudspeaker error?

- loudspeaker cable checked?

- crossover frequencies has been properly set?

- ground connection professional connected?

- short-circuit caused by loudspeaker cable with vehicle chassis

(ground)?

- cinchcable (RCA) and/or loudspeaker cable installed too

close to the power connection cable?

HIGH HISS-ENGINE

NOISE IN SPEAKERS

AT TEN TIO N

ILLUMINATES RED WHEN

AMPLIFIER IS POWERED UP)

OVERHEATING

(PROTECTION LED

- impedance alright?

- loudspeaker error?

- adequate airflow of the amplifier?

After cooling down, the amplifier turns on automatically.

! CAUTION !

Please contact your specialized dealer if the amplifier is still not working after it has

been checked with the error list!

For warranty adjustment / repairs the original invoice has to be attached!

Opening the power amplifier is leading to a lost of warranty in either case!

SPECIFICATIONS

-7-

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Power Supply Voltage

Rated Power Output at 14,4 V

-RMS power @ 4 Ohm Mono

-RMS power @ 2 Ohm Mono

Signal to Noise Ratio

Low Pass Crossover

High Pass Crossover/ Subsonic Filter

Frequency Response

THD@RMS Watts

Channel Separation

Fuse Rating

Input Sensitivity

Dimensons

Audio System Germany

Falltorstraße 6 - 76707 Hambrücken

designed and engineered by audio system Germany

since 1988

german sound

X-500.1 MD 1-Channel Amplifier

10 -16 V

1x 350 W

1x 500 W

> 87 dB

40 Hz ~ 250 Hz

10 Hz ~ 50 Hz

10 Hz ~ 250 Hz (+/-3dB)

< 0.01%

1x 40 A

200 mV ~ 6V (+/- 5%)

113(L)x 38(H)x 110(W)mm

X-500.1 MD

AUDIO SYSTEM GERMANY

GAIN

X-500.1 MD

IN 2

IN 1

X-500.1 MD

SERIES

by audio system

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