Polytone MegaBrute, Mini-Brute IV, MegaBrain, Mini-Brute II Owner's Manual

OWNERS

MANUAL FOR

MINI-BRUTE SERIES

A

NOTE

TO

YOU

THE

OWNEB

Congratulations

on

your

selection

of a POLYTONE

amplifier.

The

equipment

is designed

*iif,

vo,

in

mind.

Like

you,

we are

musicians

and

our

equipment

is

for

making

music,

not

marketing

statistics.

Of

course

we appreciate

and

enjoy

the

fact

that,

along

with

our

quality

oi

workmanship

and

engineering,

we

are

realizing

our

share

of

the market.

At

poLyToNE,

the

engineers

are

professional

musicians

so they

know

what

an

amp

is

supposed

to

do

and

what

is needed

to keep

it

operating

at

the

high

levels

demanded

of

today,s

equipment.

Each

amplifier

meets

the

highest

possible standards

for

quality

and

perfJrmanc..

Before

we ship

any

of

our

products,

they

must

pass

a

series of

intensive

and

rigid

quality

control

tests

-

some

of

the

toughest

in

the

industry.

We're

happy

to

say

that

your

amplifier

was

made

by

skilled

and

dedicated

craftsrnen

who take

pride

in

tneir

wori.

This

is

your

assurance

that

your

POLYTONE

equipment

will be ready

when

you

"r".

POLYTONE

delivers

the sound

you

want.

After

all,

we're

musicians

like

you.

!NJROpLrcnoN_

ffrese

are

Vour

instructions

for

operating

and

performing with POLYTONE

equipment;

keep

them

with

you

and

most

importantly,

go

through

them

now.

These

instructions

take

you

through

the

various

steps

oi

setting

up

and

showing

you

how

to

use

the

various

controls-

att"r-"tt,

you,ve

got

to

feel

good

about

the equipment

you

are

working

with

in order

to

play

your

best

which

is exactly

the

purpose

of

this

manual:

to introduce

you

to

poLyToNE,

your

amp

and

its features.

lf

you

have

any

questions,

problems

or

just

want

to

say

hello,

feel

free

to write

at

any time.

Thanks

for

being

with

us.

PPrOPER

USE

OF

POLYTONE

EQUIPIIIENT

r.

ptace

volume

controls

at

o before

turning

on amP'

2-

Always

plug

cord

into

instrument

before

plugging into

amp'

3.

Since

these

amPs

are

solid

state,

we

do

not

have

a heat

factor,

your

arnp

operates

extremelY

cool.

4.

During

intermission,

b" sure

that

the

volume

control

is turned

off

either at

the

ampliiier

or

your

instrument

to

avoid

the

risk

of surprise

feedback

squeal.

5.

pOLyTONE

sieakers

are

capable

of

handling

extreme

power.

They

are specially

designed,

utilizing

a high-temperature

expoxy..

However,

when

using

the

ampl-ifier

for long

periods

of

time

at

any

overdriven,

distorted

level,

the

power

into

the

speakers

iumps

to

160-170

watts. use

good

sense.

6.

Minimum

exterior

ipeaker

impedance

is

4

ohms.

lf

improper

impedance

is used

the

amptifier

will

operate

extremely

hot,

which

could

cause

damage.

Much

better

results

can

be

achieved

by

using

our SIDEKICK

cabinet.for

extra

power.

7.

Oo

no

sei

beverages

on top

of

the

amplifier.

Sugared

drinks

as

well as

others

can

cause

severe

damage

if spilled

into

the

amplifier'

g.

tt

is

necessary

that the

propei

value

fuse

be

used.

lf

improper

value

is

used,

the

guarantee

wili

be

voided.

lf

an

amp

blows

fuses,

the unit

sfrould

be taken

to

a

tualified

service

center

for

repairs.

For

fYsg=value.

re=fef

-!g-Pa39

3.

9.

PTEASE

NOTE:

MALICIOIJS

DAMAGE

OR

M'SUSE

ffi

THE EQIJIPMENT

WIrr

AUTOMATICAILY

NIJIIIFY

THE

WARRANry.

POLYTONE

MUSICAL

INSTRUMENTS

INC.

6865

Vineland

Ave.,

North

Hollywood, C-alifomia

91605

.

(818)

760'2300

o

FAX:

(818)760'2302

For

Models: Meaa&rute.

MeaaBrain.

Mini-Brute

ll

& lV

page

2

|

13

12E3

J,:Y?'ii

REVERB

PR.GRAMM

14

MASTER

456

JI

210

B

19

010

VOLUME

FX

LOOP

15

INPU

f

OIJ TITUI

PNEAMP

ouT

sw orf-cH1,

GAIN CONTOUR

1

POWER

ON

rZ I

oFF

ON

-

FLAT

+

101

22

333

41

EC

BASS

-

FLAT

+

101

22

3

4

3

-

FLAT

+

1ol

22

35s

11

55

TREBLE

4 5 o

soosr

37.-

z

$

aTt

t

er!

ol0-r

VOLuME*

cur

cHl

6

l5o

.'37

HtcaN

2

q

I

INPUTS

Y

LooAN

t I

olo

REVERB

3.
4-

5.

1.

2.

6.

7.

8.

9.

PILOT LIGHT:

Indicates

when

the

electric

supply

is being

fed

to

the amp.

POWER

SWITCH:

A three

position

srritch

-

ON

-

OFF

-

ON.

The

reason

for

two ON

positions

is

to

give

you

the

option

to

reverse

polarity

to

elaminate

6OHz

hum

and

to avoid

electrical

strock

when

touching

your

instrurnent.

BASS

POTENTIOMETER:

flat

setting

at

12

o'clock.

Tum

dial

clockwise

to

add

up

to

2odb

of bass;

counterclockwise

to roll

off

up

to 2odb

of

bass'

MIDR^NGE

potentiometer:

flat

setting

at

12

o'clock.

Turn

dial

clockwise

to

boost

or

left

to

cut.

TREBIE

POTENnOMETER:

flat

setting

ar

12 c'clock.

Turn

dial

clockwise

to

add

uP

to

2Qdb

of

Treble;

counterclockwise

to

cut

up

to

2odb

of

Treble

CHANNEL

1 VOLUME

POTENTIOMETER:

AIIOWS

CONTTOI

Of

VOIUMC.

TONAL

COLOR

SWITCH

-

BOOSr

OR

A)T

H,GHS:

center

Position

is

normal-

By

flipping

up

to

BOOST,

you've

got

an

extra

lodb

of highs;

or

flip

to cuT

liowni

and

"ut

back

lodb.

This

srritch

works

independently

of

the

Bass,

Midrange

and

Treble

controls-

INPUTS:

Hi

Gain

is used

for most

instruments;

Lo

Gain

for

instruments

with

exceptionatly

hot

outputs

such

as

organs'

synthesizers

and

other

keyboards'

REVERB

POTENTIOMETER:

controls

amount

of

reverb

-

HAMMOND

3 spring

-

which

can

also

be

remotely

controlled.by

a dual

foots:witch

(optional). This

feature

is not

included

in

the SONIC

BASS.

MASTER

VOLLlrE

PoTENT|OMETER:

determines

the

amount

of

output

signal-

For

quiet

operation,

set the

MASTER

VOLUME

al

12 o'clock.

Tum

up

channel

volume.

For

full

power

of

output

signal,

run

MASTER

VOLI'jME

wide

open

and

turn

channel

volumes

down-

FOR

Models:

MegaBrute.

MegaBrain.

Mini-Brutes

ll and.lV

-

CH

ll

SOXIC

lfAD C|flCUIT

is

controlled

Uy

-

potentiometers

-

GAIN

and CONTOUR

-

and a

3-way

switch

-

PROGRAM.

For SONIC

BASS

skip

to

#14

11. GAIN

potentiometer

with

srwitch: Switch

on activates

CH

ll and

affects

volume.

CH

MLUME

is deactivated.

12A. CONTOUR:

adding

coNToN.rR

will

boost

and

cut

various

frequencies

as

you

rotate

the

dial.

12F..

moanlu

-

WARM,

EDGE

and DRIVE.

These

are

specially

voiced

circuits

to obtain

various

sounds.

The SONIC

CIRCUIT

is a

separate

entaty

and

has

nothang

to

do

with CH

I VOLUME.

(CH

I tone

controls

are

still

active).

Experiment

for

endless

variety

of timbres.

13. REMOTE

SttrtTcHtNG

JACK

for

CH

I

-

CH

ll &

Reverb:

to remotely

control

channel

switching

and

reverb

with

our optional

dual

foots-witch.

To switch

from

CH

I to CH

ll,

the

GAIN

snitch/potentiometer

must

be clicked

ON'

to.