Velodyne IMPACT IMPACT-10 Manuale utente

Altri manuali per IMPACT IMPACT-10

5

Indice

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Iimpact

seres

IMPACT

-

10

IMPACT

-

12

IMPACT

-~

MINI

USER’S

MANUAL

Home

Theater

Subwoofers

f\

(

Velodyne

IMPORTANT

SAFETY

INSTRUCTIONS

CAUTION

RISK

OF

ELECTRIC

SHOCK

DO

NOT

OPEN

Caution

To

reduce

the

risk

of

electric

shock,

do

not

remove

cover

(or

back).

No

user-serviceable

parts

inside.

Refer

servicing

to

qualified

service

personnel.

The

lightning

flash

with

arrowhead

symbol

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

“dangerous

voltage”

within

the

product’s

enclosure

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

The

exclamation

point

symbol

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

literature

accompanying

the

subwoofer.

Read

Instructions

—

All

safety

and

operating

instructions

should

be

read

before

the

product

is

operated.

Retain

Instructions

—

The

safety

and

operating

instructions

should

be

retained

for

future

reference.

Heed

Warnings

—

All

warnings

on

the

product

and

in

the

operating

instructions

should

be

adhered

to.

Follow

Instructions

—

All

operating

and

use

instructions

should

be

followed.

Water

and

Moisture

—

The

product

should

not

be

used

near

water

—

for

example,

near

a

bathtub,

washbowl,

kitchen

sink,

laundry

tub,

in

a

wet

basement,

near

a

swimming

pool

or

the

like.

6.

Carts

and

Stands

—

The

product

should

be

used

only with

a

cart

or

stand

recommended

by

the

manufacturer.

7.

Wall

or

Ceiling

Mounting

—

The

product

should

be

mounted

to

a

wall

or

ceiling

only

as

recommended

by

the

manufacturer.

8.

Ventilation

—

The

product

should

be

situated

so that

its

location

or

position

does

not

interfere with

its

proper

ventilation.

For

example,

the

product

should

not

be

situated

on

a

bed,

sofa,

rug,

or

similar

surface

that

may

block

the

ventilation

openings;

or

placed

in

a

built-in

installation

such

as

a

bookcase

or

cabinet

that

may

impede

the

flow

of

air

through

the

ventilation

openings.

9.

Heat

—

The

product

should

be

situated

away

from

heat

sources

such

as

radiators,

heat

registers,

stoves,

or

other

products

that

produce

heat.

10.

Power

Sources

—

The

product

should

be

connected

to

a

power

supply

only

of

the

type

described

in

the

operating

instructions

or

as

marked

on

the

product

11.

Grounding

or

Polarization

—

This

product

may

be

equipped

with

a

polarized

alternating-current

line

plug

(a

plug

having one

blade

wider

than

the

other).

This plug

wil

fit

into

the

power

outlet

only

one

way.

This

is

a

safety

feature.

If

you

are

unable

to

insert

the

plug

fully

into

the

outlet,

try

reversing

the

plug.

If

the

plug

should

still

fail

to

fit,

contact

your

electrician

to

replace

your

obsolete

outlet.

Do

not

defeat

the

safety

purpose

of

the

polarized

plug.

12.

Power-Cord

Protection

—

Power-supply

cords

should

be

routed

so

that

they

are

not

likely

to

be

walked

on

or

pinched

by

items

placed

upon

or

against

them,

paying

particular

attention

to

cords

at

plugs,

convenience

receptacles,

and

the

point

at

which

they

exit

from

the

product.

13.

Cleaning

—

The

product

should

be

cleaned

only

as

recommended

by the

manufacturer.

14.

Nonuse

Periods

—

The

power

cord

of

the

product

should

be

unplugged

from

the

outlet

when

left

unused

for

a

long

period

of

time.

15.

Object

and

Liquid

Entry

—

Care

should

be

taken

so that

objects

do

not

fall

and

liquids

are

not

spilled

onto

the

enclosure.

16.

Damage

Requiring

Service

—

The

product

should

be

serviced

by

qualified

service

personnel

when:

a.

The

power-supply

cord

or

plug

has

been

damaged.

b.

Objects

have

fallen

or

liquid

has

been

spilled

into

the

product.

c.

The

product

has

been

exposed

to

rain.

d.

The

product

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance

e.

The

product

has

been

dropped

or

damaged.

17.

Servicing

—

The

user

should

not

attempt

to

service

the

product

beyond

what

is

described

in

the

operating

instructions.

All

other

servicing

should

be

referred

to

qualified

service

personnel.

Refer

all

servicing

to

qualified

service

personnel.

Servicing

is

required

when

the

apparatus

has

been

damaged

in

any way,

such

as

a

power-supply

cord

or

plug

is

damaged,

liquid

has

been

spilled

or

objects have

fallen

into

the

apparatus,

the

apparatus

has

been

exposed

to

rain

or

moisture,

does

not

operate

normally,

or

has

been

dropped.

18.

Lightning

—

For

added

protection

for

the

product

during

a

lightning

storm

or

when

it

is

left

unattended

and

unused

for

long

periods

of

time,

unplug

it

from

the wall

outlet

19.

Overloading

—

Do

not

overload

wall

outlets,

extension

cords

or

integral

convenience

receptacles

as

this

can

result

in

a

risk

of

fire

or

electric

shock.

20.

Attachments

—

Only

use

attachments

and

accessories

specified

by

the

manufacturer.

21.

Voltage

—

Insure

that

the

subwoofer

is

only

connected

to

the

rated

source

voltage.

Do

not

connect

the

120-volt

version

to

230-volts

or

vice-versa.

This

will

result

in

damage

to

the

subwoofer

and

possible

injury

to

the

user.

Qs

wn

CAUTION:

To

prevent

electrical

shock,

match

wide

blade

of

plug

to

wide

slot, fully

inserted.

B

www.vELODYNE.COM

Impact

Series User’s

Manual

ABLE

OF

CONTENTS

Congratulations

. . . .

..

..

..

1

Installation

.

..

...

...

2

Rear

Panel

Connections

.

..

..

.......

... ... ...

.

.

5

CrOSSOVEMS

. . . o

ittt

e

6

Interconnect

Cables

.

...

.....

...

...

...

...

...

9

Care

of

Your

Subwoofer

.

....

...

...

...

...

9

Protection

Circuitry

. . .

...

..

9

Troubleshooting

and

Service

. .

...

...

...

...

...

10

Specifications

. .

..

...

11

Velodyne

Products

. .

..

...

...

...

.

12

¥

www.VELODYNE.COM

Impact

Series User’s

Manual

_

ii

CONGRAT

TIONS

Congratulations

on

your

purchase

of

a

Velodyne

Impact

subwoofer

system.

This

system

represents

the

state-of-the-art

in

home

audio

reproduction

and

will

provide

you

with

years

of

listening

pleasure

when

properly

used

and

cared

for.

Read

and

follow

this

instruction

manual

to

ensure

safe

and

proper

system

connection

and

operation.

Caution!

Please

observe

the

following

instructions

to

insure

safe

and

proper

system

operation.

Note:

Do

not

leave

unit

in

direct

sunlight

or

use

in

high

humidity

environments!!!

Warning!

To

prevent

fire

or

shock

hazard,

do not

expose

this

equipment

to

rain

or

moisture.

To

avoid

electrical

shock,

do

not

open

speaker

enclosure

or

amp

chassis

cover.

Please

observe

all

warnings

on

the

equipment

itself.

There

are

no

user

serviceable

parts

inside.

Please

refer

all

service

questions

to

your

authorized

Velodyne

dealer.

Prior

to

Installation:

Please

unpack

the

system

carefully.

This

unit

is

heavy.

Use

caution

when

lifting

or

moving

to

avoid

injury.

Please

save

the

carton

and

all

packaging

materials

for

future

use.

Packing

this

unit

in

any

other

carton

may

result

in

severe

damage

when

shipping.

Record

the

serial

number

in

the

space

provided

on

page

13

for

future

reference.

Product

Features

®

Driver

configurations:

Impact-Mini

—

6.5”

(5"

piston

diameter)

active

subwoofer

and

64

ounce

(4.0

Ib)

motor

structure

and

8"

(6.5"

piston

diameter)

passive

radiator

or,

Impact-10

—

10"

(8.2"

piston

diameter)

subwoofer

and

89.6

ounce

(5.6

Ib)

motor

structure

or,

Impact-12

—

12"

(9.7”

piston

diameter)

subwoofer

and

89.6

ounce

(5.6

Ib)

motor

structure

¢

Class

D

amplifier

¢

Adjustable

(50

to

200

Hz)

low-pass

crossover

with

a

12

dB/octave

slope

e

Line-level

(RCA)

inputs

®

Speaker-level

inputs

and

outputs

®

Signal

sensing

auto

turn

on/off

*

Variable

volume

control

¢

Selectable

phase

control

(O°

or

180°)

®

Green

(power

on)

/

Red

(power

standby)

mode

indicator

LED

Prepare

for

Installation

Your

new

Velodyne

subwoofer

provides

for

a

number

of

installation

options.

Read

all

the

installation

information below

in

order

to

determine

which

installation

option

is

best

for

your

system.

Remember

to

perform

all

installation

procedures

with

system

power

turned

off

to

prevent

possible

damage.

B

www.vELODYNE.COM

Impact

Series User’s

Manual

|

1

Placement

The

first

step

in

installing

your

new

Impact

sub

is

to

determine

where

it

will

be

placed

in

the

room.

Unpack

the

system

carefully

and

use

the

following

guidelines

in

order

to

find

the

best

room

placement

option.

True

subwoofers

operate

at

extremely

low

frequencies

which

are

primarily

omni-directional.

Keep

in

mind

that

frequency

response

and

output

level

can

be

drastically

influenced

by

placement,

depending

on

the

acoustic

properties

of

the

listening

room.

To

obtain

optimum

output

from

your

subwoofer,

try

placing

it

within

a

foot

of

a

corner.

This

location

will

offer

the

greatest

output

levels

and

optimum

low

frequency

extension.

If

at

all

possible,

your

subwoofer

should

be

placed

along

a

wall.

The

worst

location

for

a

subwoofer

is

typically

far

away

from

any

walls

and

close

to

the

center

of

your

room.

Avoid

these

locations

when

possible.

\When

using

a

pair

of

Velodyne

subwoofers

in

2-channel

stereo,

it

is

preferable

to

feed

each

subwoofer

with

one

channel

and

place

each

subwoofer

near

the

satellite

of

the

same

channel.

Depending

on

the

size

and

type

of

furnishings

in

the

room,

perfect

placement

may

not

be

possible.

Finding

the

best

location

within

your

enviconment

will

likely

require

some

experimentation.

\We

suggest

you

experiment

with

the

location

during

setup

to

find

what

sounds

best

to

you

when

seated

in

your

typical

listening

position.

Regardless

of

where

you

install

your

Velodyne

subwoofer,

it

must

remain

in

an

upright

position.

Using,

shipping

or

storing

the

subwoofer

in

any

other

position

for

an

extended

period

of

time

may

result

in

damage

to

the

unit

not

covered

by

warranty.

Caution!

This

subwoofer

has

electronics

built

into

the

cabinet.

Do

not

place

the

cabinet

next

to

sources

of

heat

such

as

furnace

registers,

radiators,

etc.

Do

not

place

the

unit

near

sources

of

excessive

moisture,

such

as

evaporative

coolers,

humidifiers,

etc.

The

power

cord

should

be

routed

in

such

a

way

that

it

will

not

be

walked

on,

pinched

or

compressed

in

any

way

that

could

result

in

damaging

the

insulation

or

wire.

Your

Velodyne

Impact

subwoofer

is

NOT

magnetically

shielded.

Should

you

find

it

necessary

to

use

it

with

an

older

CRT

monitor

or

TV,

keep

it

at

least

two

feet

from

the

monitor.

Experiment

for

correct

distance

by

minimizing

distortion

of

the

picture

and

colors.

INSTALLATION

Inputs

Your

new

subwoofer

is

equipped

with

speaker-level

and

line-level

inputs.

Use

the

LINE

LEVEL

jacks

when

connecting

your

subwoofer

to

a

pre-amp,

signal

processor

(such

as

LFE

out),

line-

level

crossover,

or

receiver

with

pre-amp

level

outputs.

When

using

the

line

level

jacks,

some

receivers

may

not

provide

enough

signal

to

have

the

unit's

auto-on

feature

operate

properly.

Additionally,

this

lack

of

signal

may

also

cause

the

subwoofer

to

produce

less

output

than

it

is

capable

of.

B

www.vELODYNE.COM

Impact

Series User’s

Manual

|

2

To

alleviate

this

condition,

we

recommend

the

following

steps:

1)

If

using

line

level

jacks,

BOTH

THE

LEFT

AND

RIGHT INPUT

CAN

BE

USED

-

never

use

just

the

left

or

just

the

right

input.

If

the

subwoofer's

signal

comes

from

the

LFE

channel

of

your

receiver,

use

a

“Y”

splitter

to

connect

to

both

the

left

and

right

inputs*

If

using

line

level

connections

from

a

preamp

or

signal

processor,

use

both

Left

and

Right

inputs

from

your

preprocessor

or

preamp

and

connect

them

to

the

Left

and

Right inputs

on

your

subwoofer.

(See

figure

2a

on

page

7.)

*

This

dual

male-to-female

“Y”

splitter

can

be

found

at

your

local

electronics

store.

2)

If

using

a

receiver

with

LFE

out,

be

sure

the

LFE

channel

is

sending

adequate

signal

to

the

subwoofer.

We

recommend

setting

the

subwoofer’s

level

to

the

9

o'clock

position

(the

1/4

volume

setting)

and

then

adjust

the

LFE

channel

on

your

receiver

or

processor

to

achieve

the

desired

bass

output.

See

your

receiver

or

processor’s

owner’s

manual

for

more

information.

(See

figure

2b

on

page

8.)

The

SPEAKER

LEVEL

jacks

connect

directly

to

the

speaker

outputs

of

any

amplifier;

integrated

amplifier,

or

receiver.

Your

amplifier

section

will

notice

no

additional

loading

effects

when

you

use

these

inputs

due

to

their

very

high

impedance.

If

using

the

SPEAKER

LEVEL

inputs,

you

DO

want

to

connect

both

channels,

since

different

bass

information

might

be

present

in

each

channel

going

to

your

main

speakers.

Important!!!

Do

not

use

both

LINE

LEVEL

and

SPEAKER

LEVEL

connections

simultaneously!

Caution!!!

To

avoid

damage

to

your

main

amplifier,

be

sure

to

maintain

correct

polarity

when

making

all

connections

-

red

(positive)

to

red,

and

black

(negative]

to

black.

Be

sure

all

connections

are

tight,

and

that

there

are

no

loose

strands

or

frayed

wires.

Volume

Control

This

control

allows

you

to

balance

the

output

from

the

subwoofer

to

the

main

speakers

in

your

system.

This

control

should

be

set

to

achieve

similar

output

levels

from

both

the

main

speakers

and

subwoofer

when

listening

to

music.

A

good

starting

point

for

the

volume

control

is

two

or

three

graduations

from

minimum.

Warning:

Some

manufacturers

preset

their

receivers

with

the

Sub-Out channel

signal

at

a

minimum

level.

It

is

very

important

to

verify

that

your

receiver

Sub-Out

channel

is

set

to

the

same

output

level

as

your

front right

and

left

channels.

Refer

to

your

receiver

manual

for

the

individual

channel

level

adjustment

procedure.

If

your

receiver

Sub-Out channel

is

set too

low,

the

subwoofer

may

appear

to

have

a

weak

output,

it

may

sound

noisy

or

distorted,

and

the

Auto

On/Off

feature

may

not

operate

properly.

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Low-pass

Crossover

-

50

to

200

Hz

As

noted

above,

all

inputs

sum

the

left

and

right

channels

together,

with

the

resulting

signal

passing

through

an

adjustable

low-pass

crossover

before

being

amplified.

The

crossover

control

allows

you

to

adjust

the

upper

limit

of

the

subwoofer’s

frequency

response

from

50

to

200

Hz.

The

subwoofer’s

response

will

begin

rolling

off

above

the

frequency

you

set

this

control

to.

You

should

set

the

crossover frequency

to

obtain

a

smooth

and

seamless

transition

from

the

subwoofer

to

the

main

speakers

in

your

system.

If

your

main

speakers

are

smaller

units

with

limited low

frequency

output,

you

may

wish

to

choose

a

higher

frequency

(such

as

100

-

120

Hz)

than

you

would

with

larger

speakers

which

have

greater

low

frequency

output.

With

larger

speakers,

you

might

start

with

this

control

set

lower,

such

as

80

Hz.

Phase

Adjustment

-

0°/180°

This

control

allows

you

to

“reverse”

the

phase

of

the

subwoofer’s

output

signal

180°

to

correct

for

any

possible

mismatch

and

resulting

cancellation

between

the

subwoofer

and

your

main

speakers/amplifier.

To

adjust,

simply

listen

to

the

system

with

music

playing,

then

depress

the

phase

switch

from

one

position

to

the

other

and

listen

for

a

change

in

mid-bass

frequency

output.

The

correct

position

will

have

a

greater

amount

of

apparent

mid-bass

frequency

output.

For

all

installations,

experiment

with

the

phase

switch

to

determine

the

setting

(O

or

180

degrees)

that

produces

the

most

mid-bass.

[f

the

settings

sound

similar,

we

recommend

the

“0”

position.

Auto

Turn

on

Function

The

subwoofer

will

turn

itself

on

automatically

when

an

audio

signal

is

present.

If

no

signal

is

present

for

approximately

eight

minutes,

the

unit

will

switch

to

standby

mode

(Red

LED).

While

in

standby

mode,

your

subwoofer

will

draw

very

minimal

power.

Warning:

If

the

Sub-Out channel

signal

level

from

your

receiver

is

too

weak,

this

feature

will

not

operate

properly

and

shut

the

subwoofer

off

while

you are

listening

to

it.

To

correct

this,

see

VOLUME

CONTROL

section

on

previous

page.

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4

REAR

PANEL

CONNECTIONS

o

Velodyne

®

SERIAL

#

LABEL

I

L

®

o

S

A

A

157230

~

6soHz

100W.

Figure

1.Impact

Rear

Panel

Connections

Figure

1

shows

the

connections

on

the

rear panel

of

the

Impact.

Following

are

brief

descriptions

of

the

connections

described

in

Figure

1.

More

detail

of

these

connections

can

be

found

below:

(0]

LINE

INPUT

jacks

-

Connect

these

jacks

to

the

LINE

OUT

jacks

of

the

amplifier.

2)

SPEAKER

LEVEL

OUTPUT

terminals

-

The

speaker-level

signal

to

the front

speakers

is

output

from

these

terminals.

3)

SPEAKER

LEVEL

INPUT

terminals

-

Connect

these

input

terminals

to

the

speaker

output

terminals

of

your

amplifier

or

receiver.

4)

PHASE

switch

-

Select

the

switch

position

at

which

you

hear

a

louder

mid-bass

sound.

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5

(5)

VOLUME

LEVEL

knob

-

Use

this

knob

to

adjust

the

output

level

of

the

subwoofer.

6)

LOW-PASS

CROSSOVER

-

Use

this

knob

to

select

the

high-frequency

range

at

which

you

wish

to

cut-off the

signal

to

the

subwoofer.

(7)

POWER

INDICATOR

-

Red:

Unit

is

in

standby

mode.

Green:

Unit

is

in

operation

mode.

(automatically

turns

to

STANDBY

mode

if

no

signal

for

eight

minutes)

CROSSOVERS

Receiver/Processor

Subwoofer

Outputs

The

Velodyne

subwoofer

is

designed

to

operate

using

the

full

range

audio

signal

for

input

when

using

the

built-in

crossover.

Many home

theater

processors/receivers

(Dolby

Digital™,

DTS™,

THX™)

have

a

“subwoofer

out”

jack

(sometimes

labeled

“LFE")

that

is

internally

filtered,

settable

at

the

receiver/processor,

and

designed

to

be

used

with

a

powered

subwoofer.

In

some

installations,

it

may

be

beneficial

to

use

BOTH

the

Velodyne

crossover

and

the

receiver/processor

crossover,

resulting

in

a

steeper

ultimate

crossover

slope.

In

some

rare

cases,

combining

both

an

external

crossover

and

the

one

internal

to

the

subwoofer

may

result

in

low

output

and

increased

noise.

In

these

installations

you

may

need

to

bypass

the

crossover

in

either

the

processor

or

your

Impact

subwoofer,

or

simply

setting

one

crossover

to

a

higher

frequency

(such

as

120

Hz)

will

restore

maximum

performance.

(Refer

to

Figure

2a

Line-Level

Subwoofer

Connection

Diagram

and

Figure

2b

Speaker-Level

Subwoofer

Connection

Diagram,

pages

7

and

8 for

connection diagrams.)

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6

SUBWOOFER

OUTPUT

JACK

o

Velodyne

SERIAL

#

LABEL

R

o

Asiua

¢

T

C(JDUS

N

AMPLIFIER

4 N

Lowenss

suswooren

mEwBCY

vouME

oz

.

@

.

%

4@'

RED:

STANDBY

‘GREEN:ON

Figure

2a.

Line-Level

Subwoofer

Connection

Diagram

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7