Mtx Audio RTU8P Bedienungsanleitung

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RTU8P

8“ 20cm Underseat Powered Enclosure

150W RMS - 600W Peak

Owner’s Manual - MTX RTU8P

Thank You !

Thank you for purchasing an MTX Audio High-End powered enclosure. Proper installation matched with MTX speakers and powered

enclosures provide superior sound and performance for endless hours of waking the neighbors, slammin’ your friends or ﬂat out

stomping wanna-be players. Congrats and enjoy the ultimate audio experience with MTX !

Speciﬁcations :

• Underseat sealed powered enclosure

• Subwoofer : 20cm (8“)

• Class-AB mono block ampliﬁer

• Peak Power : 600W

• RMS Power : 150W

• Active X-over : variable 50~150Hz

• EBC remote included

• High and low level inputs

• Auto switch on with high-level inputs

• Input sensitivity : 0,1V~4V

• Phase switch : 0° or 180°

• Bass boost : @45Hz variable 0 to +12dB

• Dimensions : 345x242x78mm

• Weight : 5Kg

Power Terminal (+12V) : This is the main power input for the ampliﬁer and must be connected directly to the positive terminal of the

vehicles battery for proper operation. Use caution when installing (+12V) power cable in the vehicle. Avoid running this cable parallel

with RCA cables, antennas, or other sensitive equipment due to massive currents that can induce noise into the audio system. It is also

very important to have a tight, secure connection for maximum performance. MTX recommends using a minimum of 6mm

2 full copper

power wire with the MTX RTU8P.

Remote Terminal (REM) : The ampliﬁer can be turned on by applying 12 volts to this terminal. Typically this voltage is supplied by a wire

from the source unit marked “remote” or “power antenna”.

Note : If you use the high level inputs, the remote function is automatic. You don’t need to connect this cable.

Ground Terminal (GND) : A proper ground is required for your ampliﬁer to operate at peak performance. A short ground cable the same

diameter as the power cable should be used to attach the ground terminal directly to the chassis of the vehicle. Always remove paint,

dirt or debris to expose bare metal where the ground will be attached.

Protection LED (Protect.) : When the amp is in thermal protection, the LED turns to red.

PowerOn LED (Power On) : The LED illuminates red when the amp is switched on.

RCA Inputs (Input) : These RCA inputs are used with source units that have RCA or Line level outputs. (Source units need a minimum

level of 100mV output for proper operation of the ampliﬁer). MTX recommends only high quality RCA cables to decrease the possibility

of radiated noise entering the system.

Gain Control (Gain) : The gain control matches the input sensitivity of the ampliﬁer to the source unit being used.

The operating range varies from 100mv to 4V. Adjusting the gain:

1. Turn the gain control on the ampliﬁer all the way down (counter clockwise).

2. Turn up the volume control on the source unit to approximately 3⁄4 of maximum.

3. Adjust the gain control on the ampliﬁer until audible distortion occurs.

4. Adjust the gain control down until audible distortion disappears.

5. The ampliﬁer is now calibrated to the output of the source unit.

Speaker level inputs (High Level Input) : This input will allow the ampliﬁer to operate from source units with speaker-level outputs.

Output speaker leads from the source unit should be tied directly to the wire harness provided with the ampliﬁer.

Note : If you use the high level inputs, the remote function is automatic.

Control Panel on the Ampliﬁer :

RTU8P

8” 150W RMS Powered Enclosure

Input

Ch.1

Ch.2

Power

Protect.

15A

+12V REM GND

EBC

Remote Phase

X-over

Bass

Boost

Gain

4V-0,1V 0°0db +12dB 50Hz-150Hz

High Level

Input

LeftRight

180°

Bass remote control port (EBC Remote) : use this port to connect the optional MTX EBC. It alows you to control the output level siting at the front of the car.

15A Fuse (15A) : When the fuse blows, replace it with the same value. Never use a higher rated fuse !

Phase switch (Phase) : two positions are available - 0° or 180°. Always try both and keep the one that produces more bass sitting at the front.

Bass Boost (Bass Boost) : It alows to raise the bass level @ 45Hz from 0dB to +12dB. Use it with moderation...

Low Pass X-Over Frequency Control (LP X-over) : Used to select the desired low-pass (LP) x-over frequency. The frequency is adjustable from 50Hz to 150Hz.

Installation & Mounting :

MTX recommends your new MTX RTU8P to be installed by an Authorized MTX retailer. Any deviation from speciﬁed installation instructions can cause serious

damage to the ampliﬁer, speakers and/or vehicles electrical system. Damage caused from improper installation is NOT covered under warranty. Please verify all

connections prior to turn on your system !

1. Disconnect the vehicle’s negative battery cable.

2. Determine the mounting place for your MTX RTU8P. Keep in mind there should be suﬃcient air ﬂow for proper cooling.

3. Install a positive (+) power cable from the vehicle’s battery through the ﬁrewall using a grommet or ﬁrewall bushing to avoid cable damage from sharp edges

of the ﬁrewall. Run the cable through the interior of the vehicle and connect it to the ampliﬁer (+12V) terminal (1). Do Not connect to the battery at this time.

Note : Use only proper gauge wire for both positive and negative connections.

4. Install a circuit breaker or fuse within 20cm of the battery. This eﬀectively lowers the risk of severe damage to you or your vehicle in case of a short circuit or

accident. Make sure the circuitbreaker is switched oﬀ or the fuse is taken out of the fuse holder untill all connections are made. Now connect your positive power

cable to the positive battery terminal of the battery.

5. Grounding - Locate a proper ground point on the vehicle’s chassis and remove all paint, dirt or debris to reveal a bare metal surface. Attach the ground wire to

that contact point. Connect the opposite end of the ground wire to the (GND) terminal on the ampliﬁer (3).

6. Connect a remote turn-on wire from the source unit to ampliﬁer remote terminal (2). If the source unit does not have a dedicated Remote Turn-on lead, you

may connect to the source unit’s Power Antenna lead.

7. Connecting signal cables to the ampliﬁer : There are two ways to supply the signal to your MTX RTU8P.

• To get maximum performance, we suggest connecting a high quality RCA to the corresponding outputs at the source unit and inputs of the ampliﬁer (6).

• If a source unit is being used without RCA outputs, use the included high-level ampliﬁer’s speaker terminals (8) using the right gauge speaker wire.

8. Double check all previous installation steps, in particular, wiring and component connections. Once veriﬁed, reconnect the vehicle’s negative battery cable, turn

the circuit breaker on or place the fuse in the fuse holder.