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PRXAlSOO.l

PRXAlOOO.l

PRXA600.l

PRXA100.5

PRXASOO.II

PRXA300.2

PR

POWER

REFERENCE

READY

TO

TURN

IT

UP?

READ

THIS

FIRST!

Memphis

Audio

built

a

50

year

legacy

in

the

audio

industry

engineering

the

highest

quality

products

to

produce

the

best

possible

listening

experience

for

our

fans

and

loyal

supporters.

To

fully

appreciate

our

products

we

recommend

taking

the

time

to

read

and

follow

the

instructions

in

this

manual.

As

always,

we

recommend

all

installations

and

service

be

performed

by

an

authorized

Memphis

Audio

dealer.

For

optimal

performance,

Memphis

recommends

using

only

Memphis

Connection

accessories.

Outfitting

........

your

system

with

properly

sized

Memphis

Connection

wire

and

accessories

will

dramatically

boost

your

listening

experience

and

increase

the

durability

of

your

Memphis

Audio

products.

Po\{Ver

Reference

amplifiers

feature

a

MOSFET

power

supply

with

a

12dB

per

octave

crossover

to

ensure

the

most

accurate

musical

reproduction.

10

stability

on

mono

block

models

6

LJ5

Hz

Bass

Boost

on

all

models

will

make

your

system

perform

to

its

full

potential

for

all

types

of

music.

........

Check

out

our

full

line

of

Power

Reference

speakers

and

woofers

to

create

a

complete

Memphis

Street

Reference

system

in

your

ride.

Multi

Channel:

PRHA700.5//

PRHASOO.q

//

PRHA300.2

•

Diecast

aluminum

heats

ink

•

Signal

sensing

auto

turn

on

·Hidden

top

mounted

control

panel

·12dB/

octave

butterworth

crossover

·Short

Circuit

protection

·Input

select

switch

MONO:

PRHA1500.1//

PRHAlOOO.l/1

PRHA&OO.l

•

Remote

bass

knob

Mono

6

5-Channel

models

·10

stable

•

low

level

bypass

outputs

•

Variable

bass

boost

[0-12dB]

centered

at

LJ5Hz

•

2LtdB

Infrasonic

Filter

•

Fully

Variable

low

pass

crossover

Features

·Protection

circuitry

against

overload,

short

circuit,

thermalS

reverse

polarity.

Platinum

Plated

Connectors

Ensures

solid

electrical

connections

that

resist

corrosion.

Fully

Variable

High

&

Low

Pass

Crossovers

Fully

variable

crossovers

promote

installation

ease

and

save

the

cost

of

outboard

crossovers.

The

12dB

per

octave

slope

offers

steep

roll-off

above/below

the

selected

frequency.

Protection

Circuitry

Protects

against

overload,

short

circuit,

thermal

and

reverse

polarity.

These

protection

features

are

designed

to

protect

the

amplifier

from

misuse

as

well

as

from

common

causes

of

amplifier

failure.

LED

Light

Blue

light

indicates

that

the

amplifier

is

working

normally.

If

the

light

is

not

illuminated

or

glowing

red

please

consult

the

troubleshooting

section

of

the

manual.

Specifications

Specifications

PRXA700.5

PRX300A

PRXA300.2

~

RMS

Power/CH

@

LJO

50xLJ+

200xl

50xLJ

100

x2

RMS

Power/CH

@20

75xLJ+LJOOx1

75xLJ

150

X

2

w

RMS

Power/CH

@

10

---

oc

RMS

Power/Bridge

q

Ohms

1LJOx2

+

N/A

1LJOx2

300

xl

~

d

THD

<1% <1%

<1%

t

Signal/Noise

Ratio

>80d8 >80d8

>80d8

Frequency

Response

±

0.5d8

20Hz-20kHz/20Hz-

180Hz

20Hz-20kHz

20Hz-20kHz

~

Crossover

Frequency

[HPF]

80Hz-1kHz 80Hz-1kHz

80Hz-1kHz

Crossover

Frequency

[lPF)

50

Hz-

250Hz

50

Hz-

250Hz

50

Hz-

250Hz

(Qb

Dimensions

[in)

16.1

X

7.5

X

2.1

13.2

X

7.5

X

2.1

13.2

X

7.5

X

2.1

(Ql

Input

Range

200mV-

6V

200mV-6V

200mV-6V

--

Specifications

PRXA1500.1

PRXAlOOO.l

PRXA&OO.l

~

RMS

Power/CH

@

LJO

700xl

LJOOx1

250

X

1

RMS

Power/CH

@20

lOOOxl

750

X

1

LJOO

X

1

w

RMS

Power/CH

@

10

1500

X

1

1000

X

1

600

X

1

oc

RMS

Power/Bridge

q

Ohms

---

~

d

THD

<1%

<1% <1%

(Ql

Signal/Noise

Ratio

>80d8

>80d8 >80d8

~

Frequency

Response

±

0.5d8

20Hz-180Hz

20Hz-180Hz

20Hz-180Hz

~

Crossover

Frequency

(HPF]

20Hz-50Hz

20Hz-50Hz

20Hz-50Hz

(Qb

Crossover

Frequency

[LPF]

50Hz-180Hz 50Hz-180Hz

50Hz-180Hz

Dimensions

[in)

16.1

X

7.5

X

2.1

13.2

X

7.5

X

2.1

11

X

7.5-

X

2.1

(Ql

Input

Sensitivity

200mV-6V

200mV-

6V

200mV-

6V

*Features

and

Specifications

are

subject

to

change

without

notice.

Service/Returns

Please

consult

with

your

local

authorized

dealer

if

you

experience

issues

with

your

unit.

You

may

also

contact

Memphis

Audio

customer

service

at

800-QBS-2300

or

email

tech

support

directly

at:

[email protected].

Do

not

attempt

to

return

your

amplifier

directly

to

us

without

first

calling

for

a

Return

Authorization

number.

Units

received

without

an

accompanying

Return

Authorization

number

will

be

processed

more

slowly.

Additionally,

you

must

include

a

copy

of

your

purchase

receipt

from

an

authorized

dealer

for

consideration

of

in-warranty

service,

otherwise

repair

charges

will

apply.

Units

received

without

a

receipt

will

be

held

for

up

to

30

days

allowing

us

time

to

contact

you

and

obtain

a

copy

of

the

receipt.

After

30

days

all

units

will

be

returned

to

you

unrepaired.

Installation

Information

Memphis

Audio

recommends

the

installation

of

our

products

to

be

performed

by

an

Authorized

dealer.

Attempting

an

installation

project

on

your

own

or

through

an

unauthorized

source

may

result

in

damage

to

your

products

and

may

potentially

void

your

warranty.

Amplifiers

are

generally

mounted

in

the

hatch/trunk

area

of

your

car

or

SUV

or

behind

the

seat

of

most

pick

up

trucks.

Select

a

location

that

provides

adequate

ventilation.

Avoid

mounting

the

amplifier

with

fins

facing

down.

Amplifier

should

be

secured

using

the

screws

provided.

Warning

For

your

safety,

always

inspect

the

mounting

location

carefully

to

ensure

you

are

not

drilling

into

any

electrical,

hydraulic,

fuel

or

fluid

lines.

Always

check

your

speaker

load

with

a

multi-meter

before

connecting

the

amplifier.

Connecting

any

speaker

load

lower

than

the

rated

impedance

of

the

amplifier

will

result

in

damage

to

the

amplifier.

Damage

of

this

nature

is

NOT

covered

under

warranty.

Please

pay

close

attention

to

what

connections

are

made

to

the

amplifier.

Troubleshooting

When

troubleshooting

your

amp,

speaker

and

speaker

wires

should

be

tested

first.

No

Output:

·Confirm

all

wiring

is

firmly

connected.

Both

+12V

and

REM

terminals

must

have

+12

Volts

present

and

GND

must

be

connected

to

chassis'

ground

or

to

the

negative

battery

terminal.

·Confirm

the

signal

source

is

connected

and

supplying

an

output

signal.

To

confirm

the

amp

is

working,

connect

an

RCA

patch

cord

to

the

line

inputs

of

the

amplifier

(do

not

connect

the

other

end

of

the

patch

cord].

Briefly

tap

the

center

pin

of

each

disconnected

RCA

with

your

finger.

This

should

produce

a

noise

[brief

static

or

hum]

in

the

speakers.

·If

the

amp

is

hot,

check

the

speaker

impedance

or

load.

The

total

minimum

impedance

of

all

speakers

should

not

be

lower

than

the

rating

of

the

amp.

Only

One

Channel

Works:

·Confirm

the

speaker

terminal

strip

connections

are

firmly

connected.

·Check

"balance"

control

on

your

signal

source.

·If

using

RCA

low-Level

inputs,

reverse

the

input

plugs

at

the

amplifier.

If

the

channel

that

is

silent

reverses

position,

the

problem

is

in

the

source

unit

or

connecting

cable.

Weak

Output

·Check

input

sensitivity

control

adjustment.

Unwanted

Noise

·Whine

that

increases

and

decreases

with

engine

speed-

confirm

the

Amp

6

Source

unit

are

grounded

properly.

·Clicking

or

popping

noise

at

a

rate

that

follows

engine

speed-

this

is

often

induced

by

the

vehicles

ignition

system.

Confirm

that

the

vehicle

is

equipped

with

resistor

spark

plugs

and

wires.

The

ignition

system

may

need

service.

·Noise

can

be

caused

by

routing

speaker

input

wires

too

close

to

the

light

wires

and

other

accessory

wires

in

the

vehicle.

Re-route

wires

to

avoid

unwanted

interference.

·If

above

steps

do

not

improve/reduce

noise,

the

system

should

be

checked

by

a

professional

audio

installer

at

a

Memphis

Authorized

Dealer.

Red

LED

is

Illuminated

·Speaker

or

wire

is

shorted

•

Battery

voltage

too

high

•

Battery

voltage

too

low

·Amplifier

has

overheated

due

to

improper

ventilation

Power

Su

I

Connections

£.

Install

the

fuse

at

the

battery

last!

£

Use

conventional

stranded

copper

wire

for

all

connections.

Finish

the

ends

of

the

wires

at

the

amp

and

vehicle

with

proper

size

terminals.

Poorly

made

connections

and/or

inadequate

wire

size

will

generate

excessive

heat

and

may

lead

to

equipment

failure.

12

Volt

•

Connection

make

the

12V+

connection

directly

at

the

positive

battery

post

using

the

proper

wire

size

and

fuse

listed

below,

The

fuse

should

be

installed

within

18"

of

the

battery.

This

fuse

is

vital

to

protecting

the

vehicle

from

damage

in

the

case

of

a

dead

short.

The

fuse

value

at

the

battery

should

be

at

least

equal

to

the

total

fuse

value

of

all

the

amplifiers

being

used.

Model

Amp

Kit

Fuse

Value

Model

Amp

Kit

Fuse

Value

PRXA300.LI

17-BGKIT

BOA

PRXABOO.l

17-BGKIT

BOA

PRXA700.5

17-LJGKIT

150A

PRXA1000.1

17-LIGKIT

150A

PRXA300.2

17-BGKIT

BOA

PRXA1500.1

17-LIGKIT

150A

Ground

Connection:

Make

ground

connection

directly

to

the

chassis

of

the

vehicle

as

close

to

the

amp

as

possible.

Make

sure

this

connection

is

made

with

the

same

wire

size

as

used

for

the

12

volt

connection.

Ensure

that

all

dirt,

grease,

paint

and

coatings

are

removed

prior

to

attaching

the

ground

wire

to

chassis.

Remote

Turn

On

Remote

turn

on

should

be

connected

to

the

source

unit's

remote

turn

on

lead

or

power

antenna

output

wire.

When

using

the

power

antenna

wire,

make

certain

it

does

not

lose

power

when

any

source

other

than

the

radio

is

selected.

PowerConnections

-=-

REMOTE

TURN

ON

.--.....-

CHASSIS

GROUND[-)

...---

TO

POWER

ANTENNA

FUSE

HOLDER

(18"

FROM

BATTERY)

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MEMpHIS

@

End

Panel

Connections

Low

Level

Output:

[MONO

Amps)

Use

this

output

connection

to

feed

the

audio

signal

to

additional

amplifiers.

Remote:

(all

models]

Use

only

"PRX"

Remotes

for

this

amplifier

model.

The

adjustment

will

increase/decrease

the

output

level

of

the

amplifier.

The

remote

controller

only

operates

the

rear

channels

of

the

PRXA300.LJ

and

only

the

subwoofer

channel

of

the

PRXA700.5.

Input

Mode

Switch:

[PRXA700.5/PRXA300.LJ)

Place

the

sw?tch

on

the

number

of

audio

inputs

being

used.

If

2CH

or

QCH

is

selected

on

the

PRXA700.5,

the

subwoofer

channel

will

be

provided.

Setu

And

Ad"ustment

Gain

The

gain

control

is

NOT

a

volume

control.

The

gain

control

adjusts

the

amount

of

signal

required

to

drive

the

amplifier

to

full

output.

With

the

gain

at

full

clockwise

rotation,

less

signal

voltage

is

required

to

drive

the

amp

to

full

output.

With

the

gain

at

full

counter

clockwise

rotation,

more

signal

voltage

is

required

to

drive

the

amp

to

full

output.

For

optimal

performance,

set

the

gain

control

to

minimum

High

Pass

Filter

(HPF)

The

high

pass

crossover/filter

is

designed

to

remove

low

frequency

information

from

a

speaker.

This

is

generally

used

to

protect

smaller

devices

from

trying

to

reproduce

low

frequency

information

that

might

damage

them.

The

crossover

frequency

is

adjustable

from

80

Hz

to

1kHz

and

uses

12

dB

per

octave

slope.

To

engage

the

HPF

simply

slide

the

switch

to

the

position

on

the

marked

HPF.

Crossover

frequency

selection

is

made

by

rotating

the

dial:

clockwise

raises

the

frequency,

counter-clockwise

lowers

the

frequency.

Most

mid-bass

or

midrange

drivers

should

be

set

between

80

and

QOO

Hz

depending

on

how

high

the

subwoofer(s]

plays.

For

mid-range

drivers

that

are

5"

or

smaller

we

suggest

setting

the

HPF

to

120Hz.

The

HPF

can

also

be

combined

with

passive

crossovers

on

a

separate

or

coaxial

speaker

set

to

provide

low

frequency

protection

to

the

midrange

driver,

or

to

form

band-pass

filter

for

a

midrange

speaker

already

using

a

passive

low-pass

filter.

Low

Pass

Filter

(LPFJ

The

Lowpass

crossover/filter

is

designed

to

remove

high

frequency

information

from

a

speaker.

This

is

generally

used

to

prevent

mid

bass

speakers

or

subwoofers

from

trying

to

reproduce

mid

and

high

frequency

information

that

they

are

not

designed

to

reproduce.

The

crossover

frequency

is

adjustable

from

50Hz

to

250Hz

and

uses

a

12dB

per

octave

slope.

To

engage

the

LPF

slide

the

switch

to

the

position

marked

LPF.

Frequency

selection

is

made

by

rotating

the

dial:

clockwise

raises

the

frequency

and

counter

clockwise

lowers

the

frequency.

Most

subwoofers

should

be

set

between

80Hz

and

100Hz

depending

on

how

low

the

mid-bass

or

midrange

drivers

are

capable

of

playing.

Full

Range

Sliding

the

selector

switch

to

this

position

turns

off

all

crossovers

and

allows

a

full

range

signal

to

pass.

The

flat

position

should

be

selected

when

using

outboard

electronic

crossovers.

Signal

Input

Connections

PRXA300.q

GROUND

REMOTE

•12V

PRXA700.5

--nf!

e

s

~iilo

~~r

0

____Y:6

SUB

2-40HM

PRl

Cl

Cl

PWR

OFF

SIG

[II

AUTO

ON

PRXA1500.1//

PRXAlOOO.l//

PRXA&OO.l

GROUND

REMOTE

+12V

9

$

7

~~~li!@!lo

~

0

0

~

~

0

IJ§JJ§lJ

PRXA300.2

Off

SJG

SUBREMOTE

4CH

2CH

"Mia[JI

SUBREMOTE

~

PRT

Cl

Cl

PWR

Wiring

Multi-Channel

Amps

Speaker

have

a

positive

and

negative

marking

on

the

terminals.

These

are

used

to

indicate

polarity

and

must

be

considered

when

wiring

speakers

or

subwoofers

to

an

amplifier.

Amplifiers

also

have

positive

and

negative

markings

on

their

speaker

outputs.

Use

these

marking

to

match

polarities

to

ensure

the

speakers

are

in

phase.

Failure

to

wire

speakers

or

woofers

in

phase

with

one

another

will

result

in

a

loss

of

bass.

All

street

reference

amplifiers

require

a

minimum

2ohm

impedance

in

stereo

or

q

ohms

in

mono

(bridged)

mode.

A

Always

check

your

speaker

load

with

a

multi-meter

before

hooking

them

up

to

the

amplifier.

The

PRXA300.LI/PRXA300.2

amplifier

is

stable

to

2

ohms

stereo

or

Q

ohms

bridged

mono.

The

PRXA700.5

amplifiers

are

stable

to

2

ohms

stereo

or

Q

ohms

bridged

mono

[frontS

rear

channels]

and

stable

to

2

ohms

(sub

channel].

Any

Impedance

(load]

smaller

than

what

is

recommended

will

damage

the

amplifier!

Such

damage

is

not

covered

under

warranty,

so

pay

strict

attention

to

what

connections

are

made

to

the

amplifier.

GROUND

REMOTE

+12V

PRXA700.5

2-LJO

Speaker

2-lJO Speaker

LJO

Speaker/Sub

~~o--

22

~~

2-LJO

Speaker

LJO

Speaker/Sub

e

<B

0

l~:er

o88

SUB

2-

QOHM

PRT

CJ

c::J

PWR

OFF

SIG

SUBREMOTE

LJCH

2CH

1!f~SJ)ill

Off

SIG

SUBREMOTE

~IUJ

Speaker/Sub

lf

~

~

RF

Wiring

Single

Channel

Amps

PRXA&00.1//1000.1//1500.1

@

PRXABDD.l

GROUHIJ

REMIJTE

•12V

e

I

!POWER

REFERENCEd

WIRING

SUBWOOFERS

PRT

c:::J

c:::J

PWR

MinlO

When

using

a

single

amplifier

to

power

one

subwoofer,

the

positive

and

negative

terminal

of

the

subwoofers

voice

coil

is

connected

the

positive

and

negative

terminal

of

the

Amplifier.

N

Always

check

your

speaker

load

with

a

multi-meter

before

hooking

up

to

the

amplifier.

The

PRXABOO.l,

PRXA1000.1,

PRXA1500.1

amplifiers

are

1

ohm

stable.

Any

Impedance

[load)

smaller

than

1

ohm

will

damage

the

amplifier!

Such

damage

is

not

covered

under

warranty,

so

pay

strict

attention

to

what

connections

are

made

to

the

amplifier.

SET

UP

AND

ADJUSTMENT

Sensitivity

The

sensitivity

control

is

NOT

a

volume

control.

The

sensitivity

control

adjusts

the

amount

of

signal

required

to

drive

the

amplifier

to

full

output.

With

the

sensitivity

at

maximum

[full

clockwise

rotation),

less

signal

voltage

is

required

to

drive

the

amp

to

full

output.

With

the

sensitivity

at

minimum

[full

counter-clockwise

rotation),

more

signal

voltage

is

required

to

drive

the

amp

to

full

output.

Low Pass

Filter

[LPF)

The

low

pass

crossover,

or

filter,

is

designed

to

remove

high

frequency

information

from

a

subwoofer.

This

is

generally

used

to

prevent

mid-bass

speakers

or

subwoofers

from

trying

to

reproduce

mid

and

high

frequency

information

that

they

are

not

designed

to

reproduce.

The

crossover

frequency

is

adjustable

from

50Hz

to

180Hz,

and

uses

a

12dB

per

octave

slope.

Frequency

selection

is

made

by

rotating

the

dial;

clockwise

raises

the

frequency

and

counter-clockwise

lowers

the

frequency.

Most

subwoofers

should

be

set

between

80

and

100Hz,

depending

on

how

low

the

mid-bass

or

midrange

drivers

are

capable

of

playing.

Bass

Boost

[Q5Hz]

Boost

should

be

used

with

discretion,

keeping

in

mind

that

electronically

enhanced

boost

places

an

additional

load

on

the

amplifier

and

the

speakers

they

are

connected

to.

This

control

is

fully

variable

from

0

-

12dB.

Infrasonic

Filter

This

filter

is

fully

variable

from

20Hz-50Hz

and

removes

unwanted

frequencies

below

the

frequency

selection.

This

filter

is

most

useful

with

subwoofers

loaded

in

a

ported

enclosure,

which

helps

prevent

unloading

[rapid

loss

of

power

handling

below

the

port

tuned

frequency].