Tannoy VS18 DR User manual

Table of contents

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TANMOY

VS18

DR

USER

MANUAL

CONTENTS

1.

Introduction

2.

Unpacking

3.

Connectors/Cabling

4.

Amplification

&

Power

Handling

5.

Crossovers

6.

Equalisation/Positioning

7.

Dimensions

8.

Technical

Specifications

9.

Rigging

&

Suspension

9.1

General

Safety

Advice

9.2

SECURET-VTH

Pole

Mount

9.3

SECURET-VEB

Eyebolt

10.

System

Configurations

&

OEM

Controllers

11.

VS18DR

Service

Parts

&

Accessories

12.

Warranty

13.

Declaration

of

Conformity

1

.

Introduction

The

Tannoy

VS1

8DR

is

a

direct

radiating

subwoofer

designed

to

compliment

Tannoy

V

series

loudspeakers

where

high

definition

sound

reinforcement

at

low/ultra

low

frequencies

with

increased

headroom

is

required.

The

VS1

8DR

extends

the

frequency

response

of

systems

to

below

30Hz,

making

it

ideal

for

club,

theatre

and

concert

sound

applications.

This

powerful

loudspeaker

is

capable

of

delivering

high

sound

pressure

levels

with

extremely

low

distortion

and

power

compression

while

maintaining

a

uniform

frequency

response

throughout

its

dynamic

range.

The

VST

8DR

comprises

one

high

efficiency

458mm

(18")

drive

unit.

The

cabinet

is

constructed

from

multiple-ply

hardwood,

which

will

survive

the

punishment

that

speaker

systems

are

subjected

to

on

the

road

and

in

club

installations.

The

VS1

8DR

features

recessed

carrying

handles

rigging

points,

and

blank

plate

for

a

top-mounted

stand

socket,

which

serves

as

a

base

for

locating

the

main

full

range

or

mid/high

speakers

in

the

air.

By

using

35mm

tubing

the

need

for

a

tripod

stand

can

be

eliminated.

2.

Unpacking

Every

Tannoy

VS1

8DR

is

carefully

inspected

before

packing.

After

unpacking

your

loudspeaker,

please

inspect

for

any

exterior

physical

damage,

and

save

the

carton

and

any

relevant

packaging

materials

in

case

the

loudspeaker

again

requires

packing

and

shipping.

In

the

event

that

damage

has

been

sustained

in

transit

notify

your

dealer

immediately.

3.

Connectors/Cabling

The

VS1

8DR

is

fitted

with

4-pole

Neutrik

Speakon

connectors.

Speakon

has

the

following

advantages

over

EP

and

XLR

type

connectors:

All

terminations

are

solderless;

this

makes

life

easier

at

the

time

of

installation

or

when

field

servicing

is

required.

Contacts

will

accept

6

sq.

mm

wires

with

an

outside

diameter

of

up

to

1

5mm

and

a

current

rating

of

30

Amps.

The

pins

of

the

2

Speakon

sockets

on

the

input

panel

are

paralleled

within

the

enclosure.

Tannoy

has

adopted

the

conventional

wiring

standard

for

the

VS15HL

product:

-

Pin

1

+

is

Positive

Pin

1

-

is

Negative

For

a

worldwide

list

of

Neutrik

distributors

see

http://www.neutrik.com/

Cable

choice

consists

mainly

of

selecting

the

correct

cross

sectional

area

in

relation

to

the

cable

length

and

the

load

impedance.

A

small

cross

sectional

area

would

increase

the

cables

series

resistance,

inducing

power

loss

and

response

variations

(damping

factor).

Connectors

should

be

wired

with

a

minimum

of

2.5

sq.

mm

(1

2

gauge)

cable.

This

will

be

perfectly

satisfactory

under

normal

conditions.

In

the

case

of

very

long

cable

runs

the

wire

size

should

exceed

this,

refer

to

the

following

table

for

guidance:-

CABLE

RUN

(m)

C.S.A.

OF

EACH

CONDUCTOR

(mm)

CABLE

RESISTANCE

Q

%

POWER

LOSS

INTO

8ft

LOAD

%

POWER

LOSS

INTO

4ft

LOAD

10

2.5

0.14

1.7

3.5

4.0

0.09

1.1

2.2

6.0

0.06

0.73

1.5

25

2.5

0.35

4.3

8.6

4.0

0.22

2.7

5.4

6.0

0.14

1.8

3.6

50

2.5

0.69

8.6

17.0

4.0

0.43

5.4

11.0

6.0

0.29

3.6

7.2

100

2.5

1.38

17.0

35.0

4.0

0.86

11.0

22.0

6.0

0.58

7.2

14.0

Amplification

&

Power

Handling

As

with

all

professional

loudspeaker

systems,

the

power

handling

is

a

function

of

voice

coil

thermal

capacity.

Care

should

be

taken

to

avoid

running

the

amplifier

into

clip

(clipping

is

the

end

result

of

overdriving

any

amplifier).

Damage

to

the

loudspeaker

will

be

sustained

if

the

amplifier

is

driven

into

clip

for

any

extended

period

of

time.

Headroom

of

at

least

3dB

should

be

allowed.

When

evaluating

an

amplifier,

it

is

important

to

take

into

account

its

behaviour

under

low

impedance

load

conditions.

A

loudspeaker

system

is

highly

reactive

and

with

transient

signals

it

can

require

more

current

than

the

nominal

impedance

would

indicate.

Generally

a

higher

power

amplifier

running

free

from

distortion

will

do

less

damage

to

the

loudspeaker

than

a

lower

power

amplifier

continually

clipping.

It

is

also

worth

remembering

that

a

high

powered

amplifier

running

at

less

than

90%

of

output

power

generally

sounds

a

lot

better

than

a

lower

power

amplifier

running

at

1

00%.

An

amplifier

with

insufficient

drive

capability

will

not

allow

the

full

performance

of

the

loudspeaker

to

be

realised.

It

is

important

when

using

different

manufacturers'

amplifiers

in

a

single

installation

that

they

have

very

closely

matched

gains,

the

variation

should

be

less

than

+/-

0.5dB.

This

precaution

is

important

to

the

overall

system

balance

when

only

a

single

active

crossover

is

being

used

with

multiple

cabinets;

it

is

therefore

recommended

that

the

same

amplifiers

be

used

throughout.

5.

Crossovers

The

VS1

8DR

has

been

designed

to

be

used

in

conjunction

with

Tannoy

controllers

for

optimum

performance,

these

provides

specific

crossover

and

equalisation

functions

for

the

V

series

combinations

as

well

as

combinations

of

other

Tannoy

products.

Of

course

the

VS1

8DR

is

compatible

with

other

OEM

controllers/crossovers.

For

Optimum

performance

please

refer

to

the

section

on

System

Configurations

&

OEM

Controllers.

6.

Equalisation/Positioning

The

VS18DR

is

designed

to

need

no

equalisation

or

correction

to

overcome

system

limitations.

As

a

result,

it

will

only

need

equalisation

to

compensate

for

difficult

acoustic

environments.

Excess

equalisation

can

reduce

system

headroom,

and

introduce

phase

distortion

resulting

in

greater

problems

than

it

cures.

If

equalisation

is

required

then

it

should

be

applied

gently

and

smoothly.

Violent

equalisation

will

be

detrimental

to

the

overall

sound

quality.

The

frequency

band

over

which

a

subwoofer

operates

is

essentially

omni-directional,

therefore

efficiency

of

the

VS1

8DR

may

be

further

enhanced

if

the

unit

is

placed

against

a

wall,

where

the

radiation

in

the

forward

plane

will

be

doubled

due

to

the

addition

of

the

reflected

rear

directed

energy,

and

a

3dB

increase

in

sound

pressure

will

occur.

If

another

boundary

is

introduced,

say

a

floor,

then

the

effective

radiation

space

is

halved

again,

resulting

in

a

further

3dB

lift,

and

if

placed

in

a

corner,

once

again

the

sound

pressure

level

will

increase

by

a

further

3dB.

8

.

Technical

Specifications

Frequency

Response

(1)

+/-

3dB

Recommended

Amplifier

Power

Power

Handling

27Hz

-

240Hz

600

-

1200

Watt/

8£l

Average(2)

Programme

Peak

(10ms)

600

watt

1200

watt

2400

watt

Sensitivity

(1)

2.83

volt

@lm

99

dB

1

02

dB

(half

space

conditions)

Maximum

SPL

(3)

@

1

m

Average

Peak

130

dB

136

dB

Impedance

Nominal

8£2

Minimum

7£l

Distortion

0.1

Full

Power

100

Hz

250

Hz

2nd

Harmonic

0.2

5%

0.2

%

3rd

Harmonic

0.1

9%

0.1

5%

0.01

Full

Power

100

Hz

250

Hz

2nd

Harmonic

3rd

Harmonic

0.1

9%

0.1

%

0.1

4%

0.1

1%

Driver

Complement

Recommended

Crossover

Point

Enclosure

Protective

Grille

1x18"

(458mm)

LF

D

river

Type

number

4505

70Hz

-

240Hz,

24dB/octave

Recommended

High-pass

filter

-25Hz,

24dB/octave

18mm

(5/8")

birch

plywood

Foam

covered,

powder

coated

perforated

steel

Finish

Textured

black

paint

(optional

in

white)

Connectors

2

x

Speakon

NL4MPR

IN/OUT

Fittings

4

x

Recessed

carrying

handles

1

x

Blanking

plate

allows

installation

of

a

35mm

pole-mounting

socket

8

x

Ml

0

flying

inserts.

4

x

Rubber

feet

Dimensions

710mm(H)

x

653mm(W)

x

555mm(D)

27

15/16

"(H)

x

25

9/16"(W)

x

21

7/8"(D)

Weight

50kg

(llOlbs

4oz)

NOTES:

(1)

Average

over

stated

bandwidth.

Measured

at

1

m

on

axis,

in

an

anechoic

chamber.

(2)

Long

term

power

handling

capacity

as

defined

in

EIA

standard

RS

-

426A.

(3)

Unweighted

pink

noise

input,

measured

at

lm

in

half

space

conditions.

Tannoy

operates

a

policy

of

continuous

research

and

development.

The

introduction

of

new

materials

or

manufacturing

methods

will

always

equal

or

exceed

the

published

specifications

which

Tannoy

reserve

the

right

to

alter

without

prior

notice.

Please

verify

the

latest

specifications

when

dealing

with

critical

applications.

9.

Rigging

&

Suspension

9.1

General

Safety

Advice

WARNING:

As

the

legal

requirements

for

flying

change

from

country

to

country,

please

consult

you

local

safety

standards

office

before

installing

any

product.

We

also

recommend

that

you

thoroughly

check

any

laws

and

bylaws

prior

to

commencing

work.

Qualified

personnel

trained

in

safe

rigging

practices

should

only

suspend

the

system.

Whenever

a

Tannoy

Professional

loudspeaker

is

fixed

to

a

surface

using

a

Tannoy

Professional

hardware

device,

the

installer

must

ensure

that

the

surface

is

capable

of

safely

and

securely

supporting

the

load.

The

hardware

employed

must

be

safely

and

securely,

attached

both

to

the

loudspeaker

and

also

to

the

surface

in

question,

using

only

the

fixing

holes

provided.

Secure

fixings

to

the

building

structure

are

vital.

Seek

help

from

architects,

structural

engineers

or

other

specialists

if

in

any

doubt.

All

loudspeakers

flown

in

theatres,

nightclubs,

conference

centre

or

other

places

of

work

and

entertainment

must,

be

provided

with

an

independent,

correctly

rated

and

securely

attached

secondary

safety

-

in

addition

to

the

principle

hardware

device.

This

secondary

safety

must

prevent

the

loudspeaker

from

dropping

more

than

1

50mm

(6")

should

the

principle

hardware

device

fail.

Threaded

inserts

are

fitted

to

the

VS1

8DR

to

allow

the

suspension

of

a

single

enclosure.

Never

suspend

one

enclosure

from

another

to

form

an

array

or

cluster

using

only

these

fittings.

If

eyebolts

are

being

used

then

only

forged

shoulder

eyebolts

should

be

used

with

a

thread

length

of

30mm

(see

section

8.3).

9.2

SECUR

-

ET

VTH

Pole

Mount

The

Tannoy

VS1

8DR

loudspeaker

is

fitted

as

standard

with

a

blanking

plate

on

top

of

the

cabinet.

However,

should

you

ever

wish

to

mount

a

V

series

cabinet

above

the

VS1

8DR

using

standard

35mm

tube,

this

blanking

plate

can

be

quickly

and

easily

removed

and

replaced

by

a

VTH

pole

mount.

The

same

screws

that

secure

the

blanking

plate

should

be

used

to

secure

the

VTH

in

position.

9.3

SECURET-VEB

Eyebolt

The

Tannoy

VS1

8DR

loudspeaker

can

be

flown

with

high

quality

VEB

Ml

0

eyebolts

with

collar

to

BS4278:1984.

The

loudspeaker

is

equipped

with

internal

steel

braces,

which

also

double

as

the

flying

points,

and

accept

VEB

M10

eyebolts.

To

install

the

VEB

Ml

0

eyebolts

remove

the

original

Ml

0

counter

sunk

screws

from

the

locations

you

wish

to

install

the

VEB

Ml

0

eyebolts.

Then

replace

these

counter

sunk

Ml

0

screws

with

the

VEB

Ml

0

eyebolts.

Important:

It

is

imperative

for

safety

reasons

that

two

eyebolts

linked

to

two

independently

fixed

straps

are

used

per

cabinet.

VEB

eyebolts

should

be

installed

into

the

relative

sides

of

the

cabinet,

and

should

NEVER

be

installed

on

the

top

of

the

cabinet.

Never

suspend

one

enclosure

from

another

to

form

an

array

or

cluster

using

these

fittings.

Never

attempt

to

use

formed

eyebolts

i.e.

formed

from

a

steel

rod

and

bent

into

an

eye.

10.

System

Configurations

&

OEM

Controllers

With

the

vast

array

of

digital

loudspeaker

management

systems

available

it

is

inevitable

that

the

user

may

opt

to

use

a

controller

other

than

a

Tannoy

controller

as

part

of

a

large

scale

integrated

system.

The

VS1

8DR

has

been

designed

to

need

no

external

equalisation

to

overcome

system

limitations.

Below

is

a

list

of

recommended

parameters;

these

parameters

can

be

further

tailored

depending

on

the

acoustic

environment

or

specific

application:-

Parameter

Unit/Name

Gain

(dB)

User

definable

Delay

(ms)

User

definable

Polarity

Positive

HPF

Freq

(Hz)

25

Slope

(dB/oct)

24

Filter

Shape

Butterworth

LPF

Freq

(Hz)

70

-

240

Slope

(dB/oct)

24

Filter

Shape

Butterworth

PEQ

1

Freq

(Hz)

35

Level

(dB)

+4

Type

Parametric

Q

/

Bandwidth

2.0/0.5