Elektra Mobile Audio Alpha Series Bedienungsanleitung

Alpha Series Ampliﬁer Manual

α500.4 Four Channel

α1100.5 Five Channel

α800.1 Monoblock

α1200.1 Monoblock

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ELEKTRA MOBILE AUDIO ALPHA SERIES AMPLIFIER MANUAL

INTRODUCTION

Thank you for choosing ELEKTRA Mobile Audio ampliﬁers! Your choice of

ELEKTRA Mobile Audio ampliﬁers indicates a desire for high quality music

reproduction in the automobile. ELEKTRA Mobile Audio brings to you years of car

audio expertise. Whether you are a daily driving music lover, or a serious car audio

competitor, ELEKTRA Mobile Audio has the product for you!

To take full advantage of the ELEKTRA Mobile Audio gear you have just purchased,

please read and follow the instructions in this manual. As with all of our products,

professional installation by an authorized ELEKTRA Mobile Audio dealer is highly

recommended! Be sure to ask your authorized ELEKTRA Mobile Audio dealer

about whether your product may qualify for an extended warranty.

ELEKTRA Mobile Audio ampliﬁers oer high quality audio reproduction for the

audiophile and the everyday listener alike. All models feature fully variable

crossovers with 12 dB per octave slopes, allowing you the ability to tailor the sound

to best ﬁt the speakers and your listening preferences.

Ampliﬁers are generally mounted in the hatch/trunk area of a car or SUV, and

under or behind the seat of most pickup trucks. Select a location that will provide

adequate ventilation for the ampliﬁer. Avoid mounting the ampliﬁer with the ﬁns

facing down. The ﬁns should be facing up, either vertically or horizontally. Secure

the ampliﬁer with the screws provided.

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ELEKTRA MOBILE AUDIO ALPHA SERIES AMPLIFIER MANUAL

FEATURES

Platinum ﬁnish connections - Ensure solid electrical connections that resist

corrosion.

Fully Variable Crossovers - Fully variable crossovers promote installation ease and

save the cost of outboard crossovers. Additionally, they may be used in conjunction

with outboard passive or active crossovers, depending on the complexity required

by the system. The 12 dB per octave slope oers steep roll-o above or below the

selected frequency.

Protection Circuitry - Overload, Short Circuit, Thermal, Low Voltage, High Voltage,

and Reverse Polarity. These Protection features are designed to protect the

ampliﬁer from misuse, as well as from common causes of ampliﬁer failure.

Design Features:

●IR (International Rectiﬁer) Class-D Topology

●Mini Size Footprint For Easy Installation In Many Applications

●Surface Mount Component Technology

●Audio Precision Quality Control Veriﬁcation

●Stable & Reliable Four Layers PCB Trace Layout

●Power & Protection & Clipping Led Lights Status Indicator

●Short Circuit, Thermal And Voltage Protection

SAFETY

Before securing the ampliﬁer, inspect the mounting location carefully to ensure

that you do not drill into, or damage any electrical, hydraulic, ﬂuid, or fuel lines.

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ELEKTRA MOBILE AUDIO ALPHA SERIES AMPLIFIER MANUAL

INPUT SECTION

Because of the wide range of head unit output conﬁgurations, all ELEKTRA Mobile

Audio ampliﬁers have an adjustable input sensitivity, "Gain". The gain is not a

volume or a power limiting control like a throttle. It makes the ampliﬁer more

sensitive to input from the stereo. With the gain up, the ampliﬁer will reach full

output at a lower volume setting on the deck. At higher gain settings, the ampliﬁer

also becomes more sensitive to noise from the car's electrical system. Try to run

the gain at the lowest setting possible for your system.

There is no correct gain setting. Because speakers require dierent power

demands to reach the same output, the gains most often need to be used to

compensate for these dierences. If you tried to set all the gains at halfway you

would probably ﬁnd the system doesn’t sound very good. Using good judgment and

listening carefully to each speaker is still the best way to tune a system.

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ELEKTRA MOBILE AUDIO ALPHA SERIES AMPLIFIER MANUAL

CROSSOVER CONTROLS

A crossover is a device that removes unwanted frequencies from a speaker or

ampliﬁer. A tweeter can easily be destroyed by bass notes if they are not ﬁltered

out. Likewise, a subwoofer will not sound natural if it is playing midrange notes. A

crossover removes these sounds from the speaker. Careful adjustment is needed to

ensure that all the speakers are playing the right sounds and that you are left with

no "holes" or gaps in the frequency response.

SPEAKER OUTPUTS

This ampliﬁer is a multi-channel ampliﬁer design, this means it has more than one

channel of speaker outputs. It is equipped with a large block style terminal for

speaker connections. Make this connection carefully and neatly. Strip your wire

back and twist the exposed leads and insert them into the block terminal while

being careful that there are no loose or frayed strands of wire. Tighten the Allen

head screw down on the terminal until the wire is tightly secured in place. If the

wires ever come in contact with each other the ampliﬁer will go into protection.

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ELEKTRA MOBILE AUDIO ALPHA SERIES AMPLIFIER MANUAL

INSTALLATION INSTRUCTIONS

Ensure that you know your total IMPEDANCE loads before you make any

connections.

1. Before you start, disconnect the negative cable from the car battery. Tape the

exposed end so that it is isolated from the battery.

2. Run an appropriate gauge wire from the battery to the ampliﬁer. Plan this part of

the installation carefully as this cable will carry a very high current. The cable can

cause a ﬁre if it shorts to the body or if it is not properly fused.

3. Connect the power wire to the battery using a fuse capable of the total current

load of all ampliﬁers connected. Install the fuse after STEP 7. Locate the fuse as

close as possible to the battery. If the fuse is further than 18 inches (wire length)

from the battery you should reevaluate the wire and fuse placement.

4. Find the closest clear metal area to the ampliﬁer for a ground. Sand, grind or

scrape all paint and undercoating from the body and screw the ground securely in

place. It is advisable to test the ground with an ohmmeter between the ground

cable and the negative battery terminal to ensure a good low resistance connection.

Some alloys used in modern cars do not oer the best ground. If you believe this is

the case consult with your installation specialist.

5. Run the speaker wire to the speakers. It is advised that you leave some extra wire

at this point. You can cut the wires to exact length later.

6. If you haven’ t already done so, mount the ampliﬁer to the vehicle now.

7. Connect the power and ground to the ampliﬁer, then you can install the fuse at

the battery.

8. Connect the remote wire from the head unit to the ampliﬁer. This is a good time

to turn on the ampliﬁer for testing. Make sure it turns on properly and does not go

into protection.

9. Turn o the ampliﬁer and connect the speaker wires to the ampliﬁer and

speakers. Make sure the polarity (+ and -) is correct.

10. Connect the RCA'S to the ampliﬁer.

11. Double check the ampliﬁer controls at this time, and adjust if needed.

12. Now you're ready to play the system for the ﬁrst time. It is best to leave the gain

all the way down at ﬁrst. Start with the head unit volume low and turn it up.

13. Now you can tune the ampliﬁer. Take your time and make only one adjustment

at a time. It may take some time to get the system fully adjusted. Now have fun!

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ELEKTRA MOBILE AUDIO ALPHA SERIES AMPLIFIER MANUAL

SPECIFICATIONS

Model No.

α500.4

α1100.5

α800.1

α1200.1

RMS POWER

OUTPUT AT 1Ω

800Wx1CH

1200Wx1CH

RMS POWER

OUTPUT AT 2Ω

240Wx4CH

150Wx4CH+

500Wx1CH

600Wx1CH

1000Wx1CH

RMS POWER

OUTPUT AT 4Ω

125Wx4CH

80Wx4CH+

300Wx1CH

400Wx1CH

600Wx1CH

RMS POWER OUTPUT

AT 4ΩBRIDGED

480Wx2CH

300Wx2CH

TOTAL HARMONIC

DISTORTION

0.3%

S/N RATIO REF. 1W @ 4Ω

>90dB

GAIN RANGE

0.2-6V

CROSSOVER RANGE

40-4kHz

Lpf:50-250Hz

FREQUENCY RANGE

20-20kHz

10-250Hz

DIMENSIONS (MM)

218x174x49.5

268x174x49.5

198x174x49.5

268x174x49.5

DIMENSIONS (IN)

8.6x6.9x1.9

10.6x6.9x1.9

7.8x6.9x1.9

10.6x6.9x1.9

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ELEKTRA MOBILE AUDIO ALPHA SERIES AMPLIFIER MANUAL

INSTALLATION DIAGRAM - α500.4 FOUR CHANNEL

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ELEKTRA MOBILE AUDIO ALPHA SERIES AMPLIFIER MANUAL

INSTALLATION DIAGRAM - α500.4 FOUR CHANNEL (bridged)

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ELEKTRA MOBILE AUDIO ALPHA SERIES AMPLIFIER MANUAL

INSTALLATION DIAGRAM - α1100.5 FIVE CHANNEL

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