Panasonic Ramsa WS-A240 User manual
SUBWOOFER
SYSTEM
WS-A240
(Subwoofer)
WS-SP2A
(Subwoofer
Processor)
I
WS-SpPA
|
i
Ng
Panasonic.
Instructions
Please
read
these
insiructons
completely
before
operating
is
equipment.
WS-AZ40
RP
PPS
The
RAMSA
Subwoofer
System
consists
af
the
mode
W5-
The
WS-4240
enclosure
is
maed
from
a
resin
that
is
A240
Subwoofer
and
the
model
WS-SP24
Subwoofer
virtually
indestructable
and
incorporates
a
recessed
handle,
Processor.
interlocking
stacking
ribs
and
internal
mounting
hardware
for
convenient
transport
and
installation.
&
metal
grill
cover
The
WS-4240
is
a
bass-reflex
type
loudspeaker
system
in
provides
protection
for
the
driver
component.
corporating
a
12"
(30-cm)
driver
unit,
It
is
designed
to
be
used
as
a
madular
subwoofer
component
along
with
the
The
WS-SP2A
is
designed
specifically
for
use
with
the
W3-
WS-SP24
subwoofer
processor,
which
includes
signal
A240
loudspeaker
system
in
VLF
(subwoofer)
applications.
processing
far
subwoofers
and
the
main
loudspeakers.
Two
balanced
inputs
and
four
unbalanced
outputs
are
provided
Output
channels
A
and
B
include
three
selecta
WS-A240
subwoofers
are
small
in
size
for
their
output
capa-
ble
signal
processing
modes
for
use
with
different
main
bility,
and
may
be
combined
in
compact
arrays
to
take
max-
loudspeaker
units.
imum
advantage
of
mutual
coupling
effects
far
high
autput
applications.
The
compact
dimensions
of
the
WS-4240
al-
The
subwoofer
output
is
derived
from
an
isolated
sum
of
low
it
to
be
unobtrusively
installed
in
virtually
any
en-
the
A
and
E
inputs,
and
includes
a
high
pass
filter,
signal
vironment,
processing
far
the
WS-A240
and
selectable
low
pass
filters
with
240B
per
octave
Bessel
response
for
each
of
three
The
WS-A240
will
accept
a
continuous
program
input
of
different
main
loudspeaker
types.
The VLF
(subwoofer)
AQOW.
The
WS-SPZA
provides
high-pass
protection
from
output
includes
à
fixed
gain
stage
to
optimize
sensitivity
infrasonie
frequencies,
very
low
frequency
(WLF)
signal
in
the
WLF
range.
The
WS-SP24
Subwoofer
Processor
also
nrocessing,
and
a
choice
af
three
different
signal
process-
provides
a
full-range
summed
output,
which
may
be
used
ing
functions
for
two
channels
of
main
loudspeaker
ta
drive
distributed
system
power
amplitiers.
systems.
NAMES
OF
COMPONENTS:
anse
e
ERR
ano
Ki
ta
ae
HAM
Te
ua
DeL
M
MUGA
Cru
RD
s
lisse
paoi
2
LOUDSPEAKER
INSTALLATION.
nope
baas
an
eaaa
US
janna
bé
cup
eae
Rav
Eh
x
bt
RS
tan
EN
agi
Nga
gawaa
3
BEFORE
CONNECTION
i
sh
nec
ais
anaa
eoa
hore
tx
code
mea
Merk
cete
b
COREL
DEO
ERE
aaa
EN
3
POWER
HANDLING
CAPACITY
sin
sens
UA
E
AEn
rn
eeu
one
niv
iria
ees
3
CONNECTION:
OF
SPEAKER
CABLES
aus
eu
Ven
raura
ao
aT Ya
Tao
Re
uS
SEV
e
i
vd de
Faktor
eau
aana
4
USE
OF
XLR
CONNECTORS
assiste
ga
nego
vance
a
na
aana
drap
op
aa
yea
aka
gena
deve
idees
ote
a
EE
AN
Na
5
BLOCK:
DIAGRAM
(WS-SP2A}
-o.i
reser
sasinan
ee
None
AR
n
Fab
vex
Ug
rers
danawa
nas
anenun
anangga
aaa
EUR
V
RAE
YS
ent
6
TYPICAL
SYSTEM
PERFORMANCE
decoration
6
RACK
MOUNTING
BRACKETS
«rers
et
8992
anana
aneh
n
E
diame
dI
Ead
NENGA
Eni
nan
degag
a
kana
aga
np
ain
7
TYPICAL
APPLICATIONS...
eerte
nn
coe
bn
Ree
GEN
cux
BETA
NONG
bx
Ha
Sae
kaen
aa
KA
Fa
a
aga
OR
Ee
Kl
d
ke
7
SPECIFICATIONS
(WS-A240,
WS-SP2A)
..............
eese
seien
eene
nne
sanan
nnne
ene
nns
aas
on
baa
astra
enaa
10
INFORMATION
FOR
QUALIFIED
SERVICE
PERSONNEL
ss
11
RECOMMENDED
FUNCTION
SELECTOR
SETTING
ss
12
MIXER
AND
SPEAKER
LIMITED
WARRANTY
................
eee
nne
ee
enne
netta
root
aano
no
nah
aa
noon
nonna
us
13
APPEARANCE
CAUTION
RISK
OF
ELECTRIC
SHOCK
OO
NOT
OPEN
CAUTION:
TO
REDUCE
THE
RISK
OF
ELEC.
TRIC
SHOCK,
DO
NOT
REMOVE
COVER
(OR
BACK)
NO
USER-
SERVICEABLE
PARTS
INSIDE.
REFER
SERVICING
TO
QUALI-
FIED
SERVICE
PERSONNEL.
The
lightning
flash
with
arrowhead
symbol,
within
an
equilateral
tri-
angle,
is
intended
to
alert
the
user
to
the
presence
of
uninsulated
"dan-
gerous
voltage"
within
the
product's
SA
1965
enclosure
that
may
be
of
sufficient
magnitude
to
constitute
a
risk
of
electric
shock
to
persons.
The
seríal
number
of
this
product
may
be
found
on
the
bottom
of
the
unit.
You
should
note
the
seria!
number
of
this
unit
in
the
space
provided
and
retain
this
book
as
a
permanent
record
of
your
purchase
to
aid
identification
in
the
event
of
theft.
The
exclamation
point
within
an
equilateral
triangle
is
intended
to
alert
the
user
to
the
presence
of
important
operating
and
mainte-
Serial
No.
nance
(servicing)
instructions
in
the
SA
1966
literature
accompanying
the
appli-
ance.
Model
No.
WARNING:
TO
PREVENT
FIRE
OR
SHOCK
HAZARD,
DO
NOT
EXPOSE
THIS
APPLIANCE
TO
RAIN
OR
MOISTURE.
X
NAMES
OF
COMPONENTS
*
WS-A240
(D
Threaded
mounting
holes
M8
x
19
mm
(2)
Ports
(8
Punched
grille
-
(4)
Speaker
12"
(30
cm!
e
WS-SP2A
Power
ON
indicator
lamp
(D
Power
switch
[POWER]
©
©
©
Input
connector
[INPUT
A,
B]
+4
dB,
20kQ
balanced
XLR-type
Output
phone
jack
[OUT
A]
+4
dB,
6000
unbalanced
Output
phone
jack
[OUT
B]
+4
dB,
6000
unbalanced
Output
phone
jack
[VLF
OUT]
+4
dB,
600€
unbalanced
Output
phone
jack
|A
+B
OUT]
+4
dB,
6000
unbalanced
Power
cable
oc
8
©
©
©
Ground
Terminal
[GND|
LOUDSPEAKER
INSTALLATION
The
WS-A240
is
equipped
with
six
M8
x
25
threaded
in-
serts
that
are
molded
into
the
enclosure.
All
attachments
to
the
enclosure
should
use
these
fittings.
For
stand
mount-
ing,
two
thumbscrews
are
provided
with
the
WS-A240,
which
should
be
handtightened
only.
For
suspended
appli-
cations,
forged
shoulder
eye-bolts
are
recommended.
DO
NOT
substitute
any
other
fitting
for
these
critical
load-
bearing
components.
Thumbscrew
Forged
eye-bolt
RAMSA
Part
No.
XVPBF25FZ
When
mounting
WS-A240
loudspeakers
to
a
wall
or
ceil-
ing.
either
by
hanging
or
with
brackets,
they
should
be
se-
curely
attached
to
the
building
structure.
This
requires
knowledge
of
building
construction
and
load-bearing
capac-
ities.
If
this
information
is
unknown,
installers
should
seek
the
advice
of
an
architect
or
structural
engineer
before
at-
tempting
such
attachments.
The
loudspeaker
systems
can
be
mounted
vertically
or
horizontally.
When
mounting
horizontally,
remove
the
four
screws
fitting
the
front
grill,
rotate
the
grill
90
degrees
and
re-install.
Do
not
operate
the
WS-A240
without
the
protec-
tive
grill
in
place.
When
multiple
WS-A240s
are
to
be
installed,
best
perfor-
mance
will
be
realized
when
units
are
mounted
in
close
prox-
imity
to
one
another.
Because
high
sound
levels
at
low
frequencies
will
be
realized,
special
care
should
be
observed
to
assure
that
structural
resonances
and
vibrations
do
not
impair
the
sound
quality.
BEFORE
CONNECTION
Switch
off
power
amplifier{s}
before
connecting
the
loud-
speaker(s}.
After
loudspeaker
connection,
be
certain
that
high
level
audio
signals
are
not
present
before
switching
the
amplifiers
on.
The
nominal
impedance
of
the
WS-A240
is
8
ohms.
Two
loudspeakers
in
parallel
will
have
a
nominal
impedance
of
4
ohms,
which
is
the
lowest
impedance
most
amplifiers
are
capable
of
driving.
Be
certain
that
the
number
of
loudspeak-
ers
connected
in
parallel
does
not
result
in
a
load
impedance
that
is
below
the
rating
of
the
amplifier.
Use
the
largest
wire
gauge
speaker
cable
that
is
practical
to
minimize
DC
resistance
and
losses
due
to
cable
length.
Note
that
the
lower
the
impedance
of
the
total
speaker
load,
the
greater
the
losses
in
the
wire.
Observe
loudspeaker
polarity.
The
ptus
|
+}
and
minus
|-]
terminals
of
each
loudspeaker
are
marked
red
and
black,
respectively.
A
positive-going
signal
applied
to
the
red
ter-
minal
will
result
in
forward
movement
of
the
loudspeaker
diaphragm.
When
two
or
more
speakers
are
used,
make
sure
that
the
polarities
of
these
speakers
are
the
same.
a
ama
a
a
aaa
POWER
HANDLING
CAPACITY
The
rated
power
capacity
of
the
WS-A240
is
400
watts
in
accordance
with
the
test
procedure
outlined
in
EIA
(Elec-
tronic
Industries
Association)
RS-426-A.
This
test
method
employs
white
noise
through
RC
high
pass
and
low
pass
filters
to
simulate
the
energy-frequency
spectrum
of
typi-
cal
program
material.
It
is
an
excellent
indicator
of
the
ther-
mal
power
capacity
of
a
loudspeaker
system.
Because
the
WS-A240
is
a
subwoofer,
it
is
subject
to
mechanical
power
limitations,
especially
at
very
low
fre-
quencies.
The
WS-SP2A
Subwoofer
Processor
includes
à
high
pass
filter
that
protects
the
WS-A240
from
exces-
sive
mechanical
displacement
at
sub-audio
frequencies.
The
WS-SP2A
should
be
used
with
WS-A240s
at
all
times.
CAUTION:
Certain
signals
may
result
in
excessive
displacement
of
the
driver
diaphragm,
thereby
damaging
the
loudspeaker.
The
following
conditions
of
operation
should
be
avoided
at
all
times:
1.
Shock
noise
caused
by
energizing
or
de-energizing
mix-
ing
consoles
and
peripheral
equipment
when
the
WS-
SP2A
and
the
amplifiers
are
powered
up.
2.
Shock
noise
resulting
from
the
connection
or
discon-
nection
of
input/output
connectors
with
the
system
po-
wered
up.
3.
The
use
of
condenser
or
omnidirectional
microphones
for
vocal
applications
without
appropriate
breath-pop
screens
and/or
high
pass
filters.
4.
The
switching
on/off
of
phantom
microphone
power
with
level
controls
up.
5.
Continuous
operation
at
very
low
frequencies
from
an
oscillator,
synthesizer
or
other
program
source
when
doubling
distortion
is
evident
in
the
loudspeaker.
CONNECTION
OF
SPEAKER
CABLES
There
are
two
types
of
speaker
input
terminals
which
should
be
selected
according
to
applications.
(The
three
terminals
are
internally
connected
in
parallel.)
*
Use
of
push-terminals
NOTES:
*
The
cable
which
fits
in
the
hole
of
the
push-terminal,
should
have
a
diameter
not
larger
than
7/647
(2.6
mm).
To
ensure
proper
fit
to
the
terminal,
a
cable
diameter
From
amplifier
of
less
than
5/64"
(2
mm)
is
recommended.
output
terminals.
*
The
sheath
of
the
speaker
cable
should
not
be
inserted
into
the
terminal
hole.
e
When
the
speaker
cable
is
of
a
stranded
type,
the
core
conductor
should
be
twisted
before
inserting
it
into
the
terminal
hole.
Depress
the
push-terminal
and
insert
the
speaker
cable
from
the
ampltilier
into
the
ter-
minat
hole.
The
plus
(
+
}
side
is
marked
red
and
the
minus
(-
|
side
marked
black.
NOTES:
e
Connect
the
speaker
cable
to
a
tip-sleeve
(TS)
phone
plug,
then
connect
it
to
either
jack.
*
Use
of
phone
jacks
e
The
other
jack
is
then
used
when
installing
an
additional
speaker
in
parallel.
From
amplifier
output
terminals.
~N
TS
phone
plug
VM
Pa
rp
=
NN
{
||
wa
The
speaker
uses
a
TS
phone
|
plugs
as
an
input
terminal.
When
Plug
cover
i-}
(sleeve)
N
connecting,
make
sure
that
the
|
3
polarity
of
the
TS
phone
plug
|
t
matches
the
polarity
of
the
ampli-
i
*
Installation
of
additional
speakers
|
fier
output
terminals
(speaker
ter-
Speaker
cable
{+}
(tip)
|
|
minal)
as
shown
in
the
illustration.
l
Connect
the
speakers
in
parallel
as
shown
below.
NAN
I
NGANG
AE
ath
speed
ait
e
ee
a
HRS
J
When
two
speakers
are
connected
in
parallel,
the
combined
impedance
becomes
4
ohms.
In
this
case,
the
speakers
should
be
connected
to
an
amplifier
which
is
designed
to
drive
a
load
impedance
of
4
ohms
or
less.
From
amplifier
output
terminals.
NOTES:
+
When
three
or
more
speakers
are
connected
in
parallel,
the
combined
impedance
becomes
3
ohms
or
less
which
requires
a
special
type
of
amplifier.
Therefore,
do
not
use
more
than
two
speakers
for
parallel
con-
nection.
+
If
the
combined
impedance
of
the
speakers
is
lower
than
the
specified
impedance
on
the
amplifier
to
be
used,
the
sound
from
the
speakers
may
be
distorted
or
the
amplifier
may
be
damaged.
*
When
two
speakers
are
used
in
parallel,
make
sure
that
the
polarities
of
these
speakers
are
the
same.
From
amplifier
output
terminals,
USE
OF
XLR
CONNECTORS
This
speaker
may
be
fitted
with
an
XLR
connector
which
For
connection,
use
XLR
plug.
is
often
used
for
professional
applications.
(D
Remove
the
phone
jack
mounting
plate
and
pull
it
for-
ward.
Disconnect
the
wiring.
Phone
jack
mounting
plate
Male-type
Female-type
XLR
plug
XLR
plug
Binding
head
machine
screws
(+),
M3x8
Use
these
screws
for
mounting
the
XLR
connector,
From
amplifier
To
the
second
speaker
output
speaker
in
parallel
terminal
connection
sce
eee
m
ca
meam
EQ
ose
gana
aan
al
jai
a
a
st
i
ajang
a
hag
@
Solder
the
teads
that
were
disconnected
in
step
(D
as
shown
below
|
€p
on
pin
2,
©
on
pin
3),
mount
a
female-type
XLR
on
the
top
and
a
male-type
XLR
on
*
Disassembly
diagram
of
typical
Female
XLR
plug
"
Screw
the
bottom.
1
Bushing
1
Clamp
Q
<
4
^
,
Insert
set-screw
&
>
?
4
Xh
|
æ
MPertooth
washer
`
i
Latch,
Shell
^
Insulating
tube
—"
Black
(-)
ulating
tube
(No.3
pin)
rend
RPM
*
Disassembly
diagram
of
typical
Male
XLR
plug
(No.3
pin)
{No.2
pin)
Screw
4
Red
(+)
m
oda
1
|
Clamp
(No.2
pin)
4
=”
Insert
set-screw
"m
m
poc
ES
i
Shett
—^
CO
Insulating
tube
^
L'e
Female
Male
XLR XLR
(8
Secure
the
XLR
connectors
with
the
screws
which
were
|
!
||
||
l
l
||
|
|
[
!
||
I
I
|
i
i
!
|
||
l
I
|
I
]
l
|
[
l
|
|
|
|
i
[
1
|
i
'
s
|
removed
in
step
(D),
as
illustrated.
|
{
l
A
Insulator
—*
eee
—— ——
wee
eee
eee
Ae
de
demo
ee
oe
ee
ee
woe
7
Female-type
XLR
NOTE:
*
When
using
XLR
connectors,
observe
the
polarity
as
Male-type
ride
r^g
tapping
shown
below.
SLR
M3
x
16
Use
screws
removed
in
step
(1).
e
Se
ee
le
cu
uoc
mm
mem
mm
ee
A
Ka
en
oe
ee
ee
os
m
ee
€
eur
eus
re
a
WS-SP2A
BLOCK
DIAGRAM
High
Pass
Function
^
e
Wo
Processor
Selector
30
à
Zz
Input
À
M
VLF
o
Output
A
©
+
4
dB
6000
UNBAL
+4
dB
K
Low
Pass
20
kR
BAL
E
Processor
Processor
Function
"77-—
Selector
VLF
Output
TE
«4
dB
,
PENANG
6002
UNBAL
Pin
Connection
:
Pin
1
-
Gnd
:
Pin
2
-
Hot
:
1
3
i
F
Function
H
Pin
3
-
Cold
&
lector
2
8
v.
[«LET]
A
+
B
Output
*
4
dB
6000
UNBAL
High
Pass
Function
1
Vo
Processor
Setector
a
y
1
(Bi
fasanansan
Output
8
=
6062
UNBAL
input
8
*
4
dB
20
kf
BAL
TYPICAL
SYSTEM
PERFORMANCE
The
WS-SP2A
performs
both
bandpass
definition
and
sig-
nal
processing
within
the
bandpass.
The
frequency
response
chart
at
left
shows
typical
performance
of
one
WS-A240
under
half-space
conditions
using
the
WS-SP2A
Subwoofer
Processor
adjusted
for
signal
processing
mode
three.
The
input
signal
was
adjusted
for
a
nominal
2.83
volts
(1
watt
at
8
ohms)
at
80
Hz.
100
90
The
WS-A240
voice
coil
was
specifically
designed
to
han-
dle
high
current
at
low
frequencies,
resulting
in
a
thermal
power
capacity
of
400
watts
(EIA
RS-426-A).
The
mechan-
ical
suspension
components
have
been
carefully
selected
and
balanced
to
enable
an
unusually
large
(12
mm)
peak
dis-
placement
capability.
The
result
is
an
extremely
compact
subwoofer
system
of
exceptional
performance.
80
d8
Multiple
WS-A240s
may
be
combined
in
very
compact
ar-
rays
served
by
a
single
WS-SP2A
Subwoofer
Processor,
with
an
accompanying
increase
in
efficiency
and
exten-
sion
of
low
frequency
output
due
to
mutual
radiation
ef-
fects
(see
Typical
Applications).
70
60
Frequency
(Hz)
RACK
MOUNTING
BRACKETS
A.
1
Unit
Mounting
Bracket
fixing
screws
(accessory)
M4
x
8
1.
Remove
4
rubber
feet.
d
à
Fix
the
rack
mounting
brackets
A
and
B
{standard
accessory)
to
the
Subwoofer
processor
with
the
attached
screws.
3.
Mount
the
Subwoofer
processor
to
the
rack.
Bracket
A:
part
No.
A2SA1036A4
Bracket
B:
part
No.
A28A1037B3
Rack
manting
Bracket
A
|
Screws
e
(not
provided)
Rubber
feet
7
B.
2
Units
Mounting
(not
provided)
Remove
8
rubber
feet.
Fix
two
processors
with
bracket
C
and
screws.
Fix
the
rack
mounting
brackets
to
the
both
sides
of
the
processor
with
the
attached
screws.
Mount
the
processor
to
the
rack.
e
SN
Bracket
fixing
screws
{accessory}
M4
x
8
Mounting
screws
M4
x
8
(not
provided)
Flush
head
machine
screws
MA
x
B
Bracket
A:
part
No.
A2SA1036A4
Bracket
C:
part
No.
A2SA1038A4
Rubber
feet
F.
:
q^
VA
$
f
Z
Caution:
Don't
use
screws
longer
A.
|
Bracket
A
Nang
than
8
mm.
LOE
Z
~
Bracket
C
Rack
mounting
screws
$
L
not
provided)
inot
provided)
TYPICAL
APPLICATIONS
SYSTEM
A
Illustrated
are
two
WS-A10
Compact
Speaker
Systems
in
a
two
channel
configuration,
powered
by
one
WP-9055
am-
plifier.
The
single
WS-A240
Subwoofer
is
powered
by
one
WP-9110
amplifier
in
the
bridge
(BTL)
mode.
The
WS-
SP2A
Subwoofer
Processor
should
be
adjusted
(by
quali-
fied
service
personnel
only)
for
WS-A10/WS-A240
signal
processing.
A
Dut
B
Out
LE
Out
WP-9055
WS.SP2A
Subwoofer
Processor
Main
Out
L
WS-A240
Subwoofer
CS
RE
Sku
WP-9110
1BTL)
Main
Out
R
folie
WS-A200
1x2)
TH
tus
Kow
ER
EM
FETETIA
EET
xEX
ofe
ES
CGGOHBEBHE
I5:
ra
GÜ
Subwooter
Processor
SYSTEM
F
This
system
is
identical
to
System
E,
but
configured
with
two
WS-SP2A
Subwoofer
Processors
so
that
the
VLF
sig-
nals
are
a
separate
sub-mix
controlled
from
the
mixing
con-
sole.
This
affords
the
ability
to
selectively
introduce
signals
into
the
VLF
mix.
which
may
be
balanced
in
level
against
the
program
mix
for
special
effects.
Both
VLF
amplifiers
are
operated
in
the
dual
mono
mode.
A
variation
of
this
design
would
employ
both
processors
for
VLF
processing,
with
the
signal
derived
from
the
A
and
B
WS.A200
ix2!
WS-4240
Sub-
woofer
(x8)
SYSTEM
E
System
E
is
comprised
of
four
WS-A200
loudspeaker
sys-
tems
and
eight
WS-A240
subwoofers.
It
is
powered
by
three
WP-9220
amplifiers,
each
loaded
to
4
ohms
per
channel.
The
VLF
amplifiers
are
operated
in
the
dual
mono
mode.
The
WS-SP2A
should
be
set
(by
qualified
service
person-
nel)
for
WS-A200/WS-A240
signal
processing.
mix
channels
driving
part
of
the
VLF
amplifiers
and
loud-
speakers
in
a
fixed-gain
relationship
with
the
main
program
channels,
and
the
balance
of
the
subwoofers
controlled
by
a
separate
sub-mix
from
the
console.
The
additional
con-
nection
is
shown
in
gray.
In
this
example,
(2)
WS-A240s
are
operated
from
the
A
and
B
mix,
and
their
amplifier
in-
put
mode
switch
is
in
the
dual-channel
position.
An
option-
al
VLF
signal
processing
device,
such
as
a
sub-harmonic
synthesizer,
may
be
added
to
the
VLF
mix
output
ahead
of
the
WS-SP2A
Subwoofer
Processor
for
special
effects.
WS.A240
Subwooter
(x81
WS-A200
in
2t
300w
AE
we
9220
VLF Out
Iser
terti
&
-
8
Out
To
O«siributed
Sytiem
Amph
INot
Snow
B
Oui
WS-SP2A
Subwoofer
Processor
WS-A200
ix2)
ENTRE
Es
RR
N
WP-9220
VLF
Out
KIH
Ll
3
WS-SP2A
Subwoofet
Processor
SYSTEM
B
In
this
system,
two
WS-AB8O
loudspeaker
Systems
in
a
two
channel
configuration
are
powered
by
one
WP-9110
am-
plifier.
Two
WS-A240
subwoofers
are
powered
by
one
WP-9220
amplifier
in
the
dual
mono
mode.
The
WS-SP2A
Subwoofer
Processor
should
be
adjusted
(by
qualified
serv-
ice
personnel
only)
for
WS-A80/WS-A240
signal
processing.
4
Qut
VLF
Out
|
IH
fF
3
WS-SP2A
HEN
Subwoofer
Maw
Out
L
Processor
Main
Out
R
SYSTEM
C
Two
WS-A200
loudspeaker
systems
in
a
two
channel
con-
figuration
are
powered
by
one
WP-9220
amplifier.
The
two
WS-A240
Subwoofers
are
powered
by
one
WP-9220
am-
plifier
in
the
dual
mono
mode.
The
WS-SP2A
Subwoofer
Processor
should
be
adjusted
(by
qualified
service
person-
nel
only)
for
WS-A200/WS-A240
signal
processing.
A
Out
Ds
VLF
Out
WS-SP2A
Subweoter
Processor
(se
Mam
Oui
L
Main
Qut
R
SYSTEM
D
This
system
is
similar
to
System
C,
with
the
addition
of
two
more
WS-A240
Subwoofers
and
another
WP-9220
ampli-
fier.
The
two
VLF
amplifiers
are
operated
in
the
dual
mono
mode
and
the
WS-SP2A
should
be
adjusted
(by
qualified
personnel
only)
for
WS-A200/WS-A240
signal
processing.
A
Out
WS-SP2A
B
Out
Subwoofer
Processor
VLF
Qut
HE
NUNI
GIH
nl
d
oa
apii
WP-9220
Main
Out
L
Main
Out
R
Nea
B=
NUE
WP.9220
100w
[
$0.
TT
WP-3310
200W
200W
mim
Ei
PARLA
ig
AMI
WP-9220
WS-A200
1x2]
200W
200W
HA
ET
WP-9220
200W
200W
HAL
|
&
TE
WP-9220
200W
200W
IH
(|
mam
e
SYSTEM
COMPARISON
CHART
System
Main
Subwoofers
Main
Subwoofer
Program
Program
VLF VLF
Loudspeakers
Amplifier
Amplitieris)
Level
(SPL)?
|
Peaks
ISPL)!
Level
(SPL)?
|
Peaks
(SPL)2
i21
WS-A80
|
(2)
WS-A240
|
(1)
wP-9110
|
111
WP-9220
|
108
dB
@
Im|
118
dB
@
im
|
114
48g
1m
121
WS-A200
|
(2)
WS-A240
|
tt)
wP-9220
|
11)
wP-9220
|
117
dB
@
1m
|
127
dB
G
1m
|
114
dB
@
1m
|
120
dB
6
1m
|
o
|
(21
WS-A200
|
(4)
WS-A240
127
dB
@
1m
|
120
dB
@
Im]
126
dB
@
1m
ee
|
(4)
WS-A200
|
(B)
WS-A240
|
(1)
WP.9220
|
12)
WP-9220
|
119
dB
@
1m
|
129
dB
@
1m
|
125
dB
@
1m
1.
From
available
amplifier
power,
10dB
crest
factor
assumed,
both
channels
driven.
2.
From
available
amplifier
power
above
40Hz,
6dB
crest
factor
assumed
due
to
limited
band
pass.
WS-A240
SPECIFICATIONS
Type:
impedance:
Frequency
Response:
Power
Capacity:
:
Sound
Pressure
Level:
Reference
Efficiency:
Volume
displacement:
Speaker
Dimensions:
Weight:
Finish:
Bass
reflex
type
8
ohms
(WS-A240
used
with
WS-SP2A)
+3
dB,
35
Hz
to
main
loudspeaker
transition
frequency
400
watts
measured
in
accordance
with
EIA
RS-426A
91
dB
(1W/1m,
half-space),
85 dB
(1W/1m,
spherical
free
field)
0.83%
(half-space)
6.0
x
10-4m3
(0.021
ft3);
equivalent
to
125
dB
at
100
Hz
at
1m
30
cm
cone
speaker
15-9/16"(395mm)[W]
x
21-15/16"(557mmlIHI
x
10-3/4"(272.5mml[D]
35
Ibs.
(16
kg.)
Enclosure:
Resin
molded,
black
Front
Panel:
Punched
grill,
black
WS-SP2A
SPECIFICATIONS
Type:
Input:
Outputs:
Maximum
Output
Level:
Minimum
Load
Impedance:
Gain
(Pink
noise):
Output
Noise
Level:
Distortion:
'
Cross
Talk:
Turn-on
Delay:
Power
Requirements:
Dimensions:
Weight:
Finish:
Line-level
Subwoofer
Processor
Two,
electrically
balanced:
Input
A,
Input
B
(female
XLR
type},
4
4
dB,
20
kohms
Four,
unbalanced:
Output
A
(high
pass
processed),
1/4-inch,
+4
dB,
Output
B
(high
pass
processed),
1/4-inch,
+4
dB,
VLF
output
(sum
of
A
and
B,
band
pass
processed),
1/4-inch
+4
dB,
A
+
B
output
(sum
of
A
and
B
all
pass),
1/4-inch,
+4
dB.
+20
dB
600
ohms
Unity
-95
dB
or
less
(IHF
A
WTD)
Outputs
A,
B,
A+B;
0.05%
or
less
(+4
dB
at
1
kHz)
VLF
Outputs;
0.05%
or
less
(+4
dB
at
35
Hz,
VLF
l!
switch
is
at
the
A
position)
60 dB
or
more
at
10
kHz
Approx.
3
to
5
seconds
120V
AC,
60
Hz,
126
mA
(12W)
8-5/16"
(W)
x
1-3/4"
(H)
x
8-5/16"
(D)
210
mm
(W)
x
44.5
mm
(H)
x
210
mm
(D)
Approx.
4
lbs
(1.8
kg)
Matte
black
l0
a
INFORMATION
FOR
QUALIFIED
SERVICE
PERSONNEL
CAUTIONS:
These
Servicing
instructions
are
for
use
by
qualified
personnet
only.
To
avoid
electric
shock
do
not
perform
any
servicing
other
than
that
contained
in
the
Operating
Instructions
unless
you
are
qualified
to
do
so.
Refer
all
servicing
to
qualified
service
personnel.
SELECTING
THE
OPTIMUM
SIGNAL
PROCESSING
The
WS-SP2A
Subwoofer
Processor
is
shipped
from
the
factory
with
the
internal
signal
processing
switches
set
in
position
1
for
VLF
I,
output
A
and
B
and
position
A
for
VLF
Ii
switches.
This
provides
optimum
bandpass
process-
ing
for
the
RAMSA
model
WS-A200
loudspeakers
when
used
with
WS-A240
subwoofers.
Other
main
loudspeak-
er
systems
may
require
different
switch
settings.
Although
the
signal
processing
in
the
WS-SP2A
has
been
optimized
for
various
RAMSA
loudspeaker
systems,
the
WS-A240
and
WS-SP2A
may
be
successfully
used
with
other
brands
of
main
loudspeakers
by
observing
these
instructions.
The
following
procedure
will
enable
the
selection
of
optimum
signal
processing
when
other
than
RAMSA
WS-A200
main
loudspeaker
systems
are
to
be
used.
If
the
WS-SP2A
is
installed
in
a
system,
switch
off
all
pow-
er
amplifiers
and
disconnect
the
input
and
output
signal
(Rear)
339094
CAUTIONS:
Before
proceeding
with
disassembly,
be
sure
to
turn
off
the
power
and
unplug
the
power
supply
cord
from
the
AC
outlet.
connectors.
If
the
WS-SP2A
is
mounted
in
a
rack,
remove
the
instrument
and
place
it
on
a
convenient
work
surface.
Be
certain
that
the
AC
power
cord
is
disconnected
from
the
AC
power
supply
outlet.
Remove
the
top
cover.
The
drawing
below
shows
the
loca-
tion
of
the
three
switches
that
select
the
internal
signal
processing
options.
The
switches
affect
only
the
VLF
and
channel
A
and
B
outputs-the
A
+
B
output
is
not
affected
by
the
signal
processing.
Select
the
switch
settings
for
the
signal
processing
that
is
appropriate
for
the
installation
from
the
table
on
next
page.
When
the
WS-SP2A
is
used
in
a
VLF
(subwoofer)
only
mode,
switch
position
1
for
VLF
I,
output
A
and
B
is
recommended.
(Front)
1204
-11—
RECOMMENDED
FUNCTION
SELECTOR
SETTING
SUBWOOFER
|
MAIN
SPEAKER
FUNCTION
SELECTOR
POSITION
[0123
[B
123
WI]
AK
12
30E
CAUTION:
©
REFER
TO
OPERATING
INSTRUCTIONS
BEFORE
SETTING
THE
FUNCTION
SELECTORS
e
SET
"K"
POSITION
OF
VLF
II
SWITCH
FOR
LOUDSPEAKER
SYSTEM
WS-K40
(only
for
WS-SP2AE
and
WS-SP2AC)
AE
Pm
APPEARANCE
*
WS-A240
M8
Mounting
Hole
M8
Mounting
Hole
FR
D
io
5
N
se
-9/16"
(395)
NR
AN
ja
pes
5-1/8"
(130)
in
N
m~
=
<
m
2
M8
Mounting
Hole
5-7/8"
(150)
e
WS-SP2A
7-11/16"
(195)
5/16"
(8.0)
o
©
o
e(o
©
©
|
||
Panasonic.
Panasonic
industrial
Company
|
Matsushita
Electric
of
Canada
Limited
Audio-video
System
Group
Industrial
Audio
Department
Professional
Audio
Department
5770
Ambler
Drive,
Mississauga,
6550
Katella
Ave,
Cypress.
Ca
90630
Ontario.
LAW
2T3
(714)
895-7200
(416)
624-5010
Panasonic
Sales
Company,
Division
of
Matsushita
Electric
of
Puerto
Rico,
Inc.
San
Gabriel
Industrial
Park,
65th
Infantry,
Ave.
KM,
9.5
Carolina,
Puerto
Rico
00630
(809)
769-4320
Panasonic
Hawaii
inc.
99-859
Iwawa
Street
P.O.
Box
774
Honolulu,
Hawai
‘96808-0774
(808)
488-1996
NO289-0
A8QA1845AN
Printed
in
U.S.A‘
Other manuals for Ramsa WS-A240
2
This manual suits for next models
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