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Mtx Audio mottagare RT202

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Sida 1/19

AMPLIFIER

OWNER’S

MANUAL

RT202 RT404

AMPLIFIER OWNER’S MANUAL

CONGRATULATIONS...

on your purchase of a new MTX Audio

Road Thunder Amplifier! MTX has long

been the industry leader in mobile audio,

and we have reached new heights with

the development of the new MTX Road

Thunder amplifiers. You couldn’t have

chosen a more reliable, powerful, or

better performing amplifier.

We manufacture every amplifier using

the latest Intelligent Surface Mount

Technology. Some of the advantages of

the new design are significant improve-

ments to the amplifier’s electrical and

mechanical properties. ISMT devices feature

substantially shorter internal and external

lead lengths. This reduces stray capacitance

and inductance, which results in cleaner and

more accurate musical reproduction with sig-

nificantly less noise interference. The ISMT

mounter produces amplifier boards with

smaller and lighter components, which are

more resistant to vibrations inherent in the

automotive environment.

We want to ensure you get continuous high

performance from your MTX Road Thunder

amplifier, so we recommend that you have it

professionally installed by your authorized

MTX dealer.

HOW TO USE THIS MANUAL

If you are installing this amplifier yourself, we

recommend that you read the manual cover-

to-cover before you install it. Familiarize

yourself with the features and details on the

input and output panels. Make sure you have

all the equipment you need. Then follow the

step-by-step installation instructions included.

Sample installation diagrams may be found

on our website:

mtx.com

If you have any questions, write or call us:

MTX Audio

4545 E. Baseline Rd. Phoenix, AZ 85042

602-438-4545 • 800-CALL MTX

technical@mtx.com

mtx.com

Please take a moment to register your

purchase online at mtx.com.

Please, also record the serial number of

your amplifier in the space provided below,

and keep this manual for future reference,

as well as your sales receipt as proof of

ownership. (The serial number of your

amplifier is marked on the bottom of its

metal chassis.)

Serial Number:

Date of Purchase:

Introduction

ENGLISH

• Unique rubber Insulated Iso-Feet™

• Nickel-plated, heavy duty terminal block type connectors

• Speaker and low level inputs

• Input select 2CH/4CH switch on RT404 functions as a built-in Y connector

• Color-coded wire harness for speaker level input installation

• Smart-Engage™ auto-turn on for easy integration with factory head units

• Built-in, defeatable18dB/octave HP/LP crossover at 85 Hz

• RT404 front channel crossover is a defeatable18dB/octave, high pass, at 85Hz

• Adjustable input sensitivity

• Bridgeable, multi-channel circuit design

• Regulated PWM Mosfet Switching Power Supply

• New, more reliable high powered transformers

• Buffered, isolated output for daisy chaining multiple amplifiers

• Pure N-Channel Design

• Intelligent Surface Mount Technology

• Class A 100% discrete driver circuit topology

• Real-time computerized protection circuit

• Anti-shock PCB mounting design

• Acoustically Seamless Turn-on/Turn-off

Features

Specifications

RT202

RMS Power measured at 14.4 Volts DC:

37.5 Watts x 2 into a 4 Ohm load with < 1% THD

75 Watts x 2 into a 2 Ohm load with < 1% THD

150 Watts bridged into a 4 Ohm load with < 1% THD

Dynamic Power measured at 14.4 Volts DC:

50 Watts x 2 into a 4 Ohm load

100 Watts x 2 into a 2 Ohm load

200 Watts bridged into a 4 Ohm load

Signal to Noise Ratio: 100dB A-Weighted

(Referenced to Rated PWR at 1VRMS Input Sensitivity)

Frequency Response: 20-20,000 Hz ±.25dB

Crossover: Defeatable, 18dB/octave at 85 Hz,

selectable for high pass, low pass

Dimensions: Including Iso-Feet™

7.98" x 9.75" x 2.1" (20.3cm x 24.8cm x 5.3cm)

RT404

RMS Power measured at 14.4 Volts DC:

37.5 Watts x 4 into a 4 Ohm load with < 1% THD

75 Watts x 4 into a 2 Ohm load with < 1% THD

150 Watts x 2 bridged into a 4 Ohm load with < 1% THD

Dynamic Power measured at 14.4 Volts DC:

50 Watts x 4 into a 4 Ohm load

100 Watts x 4 into a 2 Ohm load

200 Watts x 2 bridged into a 4 Ohm load

Signal to Noise Ratio: 100dB A-Weighted

(Referenced to Rated PWR at 1VRMS Input Sensitivity)

Frequency Response: 20-20,000 Hz ±.25dB

Crossover: Defeatable, 18dB/octave at 85 Hz,

selectable for high pass, low pass, or full range on

rear channels and high pass or full range for front

channels

Dimensions: Including Iso-Feet™

11.5" x 9.75" x 2.1" (29.2cm x 24.8cm x 5.3cm)

FRONT

GAIN

AMP

X–OVER

2CH 4CH

FR HP

R– L–

FRONT IN SUM OUT REAR IN

AMP

X–OVER

REAR

GAIN

LP FR HP

R+ L+

R– L–

R+ L+

SPEAKER

LEVEL

INPUT

FRONT

RCA

INPUT

SPEAKER

LEVEL

INPUT

REAR

AMPLIFIER OWNER’S MANUAL

1. RCA Input Jacks – These RCA input jacks are for use with source units that have RCA or Line Level

Outputs. An independent set of jacks are provided on the RT404 for front and rear stereo inputs. A source

unit with a minimum level of 200mV is required for proper operation. The use of high quality twisted pair

cables is recommended to decrease the possibility of radiated noise entering the system.

2. Input Select 2CH/4CH – This switch, found on the RT404, is used to match the amplifier’s input to the

source unit’s output so all four channels of the amplifier are driven. If your source unit has 2 outputs (left

and right) connect them to the amplifier’s front channel inputs, and place the input select switch in the 2CH

position. If your source unit has 4 outputs, (left front, left rear, right front, right rear) connect them to the

amplifier inputs and place the input select switch in the 4CH position. In the 4CH position, the fader on

your source unit will operate.

3. Speaker Level Inputs – 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.

Wire harness color codes:

Grey/Black = Source unit right negative (-) White/Black = Source unit left negative (-)

Solid Grey = Source unit right positive (+) Solid White = Source unit left positive (+)

With the Smart-Engage™ auto-turn-on circuit, a remote turn-on wire is not necessary when connecting

the speaker-level input wire harness to a high powered source unit. The amplifier will automatically turn

on when music is received.

4. RCA Output – These RCA outputs allow for a signal to be sent to other amplifiers in a daisy-chain

configuration. The RCA outputs on all Road Thunder series amplifiers will send a full-range signal to

additional amplifiers.

5. Gain Controls – These controls are used to match the input sensitivity of the amplifier to the particular

source unit that you are using. The controls are factory set to 1Vrms. Note that the RT404 has a separate

gain control for front and rear channels.

6. Crossover Select – This switch controls the type of crossover configuration that you desire. Road

Thunder series 2-channel amplifiers include a defeatable 18dB/octave, 85Hz crossover that is high

pass/low pass or full range selectable. The RT404 four channel amplifier includes a defeatable

18dB/octave, 85Hz crossover that is high pass or full range for the front channels, and a high pass, low

pass or full range for the rear channels.

❷❶

❸

❹

❺❻❶

❸❻❺

Input Panel Layout

❶❸

❹❺ ❻

Produktspecifikationer

Varumärke:	Mtx Audio
Kategori:	mottagare
Modell:	RT202
Typ av operation:	Buttons, Rotary
Färg på produkten:	Black, Stainless steel
Vikt:	1590 g
Bredd:	241 mm
Djup:	174 mm
Höjd:	185 mm
Uppvärmningsfunktion:	Ja
Håll varm funktion:	Ja
Avfrostningsfunktion:	Ja
Husmaterial:	Roestvrijstaal
Tillgångar:	950 W
Antal skivor:	2 snede(n)
Stopp/avbryt-knapp:	Ja
Hög huvudmekanism:	Ja
Avtagbar smulbricka:	Ja
Indikator ljus:	Ja
Solningsnivåer:	9
Antal lås:	2
Elektronisk bryningskontroll:	Ja
Smulbricka:	Ja
Smörgåsställ:	Ja
Lång slits:	Ja
Värmeställ:	Ja
Bil pop-up mekanism:	Ja
AC-ingångsspänning:	220-240 V
AC-ingångsfrekvens:	50 - 60 Hz