Care of Your Subwoofer..
Troubleshooting and Service..
Specifications. . . .
Velodyne Products .. . . .
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WWW.VELODYNE.COM
Optimum
User's
Manual
ii
CONGRATULATIONS
Congratulations on your purchase of a Velodyne Optimum subwoofer. This system represents
the
state-of-the-artinlow frequency reprodL!ccion. Please, read and follow
to
insure safe and
Warning!
To
prevent fire
electrical shock, do
warnings
on
the
proper
or
shock hazard,
system operation.
do
not
not
open speaker enclosure
expose this equipment
or
amp chassis cover. Please observe
equipment itself. There are no user serviceable
to
parts
the
rain
or
moisture.
inside. Please
instructions below
To
avoid
all
refer
all
service questionstoyour authorized Velodyne dealer.
Prior
to
Installation
Please unpack the system carefully. Please save
for
future use. Record the serial
numberinthe space provided on page
future reference.
PRODUCT
FEATURES
• DSP-Controlled
• 4 selectable
preset
• Automatic 6-band
modes
room
for
customized listening
equalizer with microphone included
• Night-mode setting
Mute
•
Woofer
•
- 8"
-
-
• Built-in
• Adjustable
• Line-level
• Speaker-level inputs with five way binding
• Signal sensing auto
control
(6.5"
107
10"
346
12"
346
piston diameter) subwoofer with
ounce
magnet/204
ounce
(8" piston diameter) subwoofer with
ounce
(9.7"
ounce
2400
motor
structure
(Optimum-10)
piston diameter) subwoofer with
motor
watts
(40
(RCA)
structure
(Optimum-12)
Dynamic/1200
to
120
Hz)
low-pass crossover (defeatable)
inputs and outputs
turn
on/off
motor
structure
watts
post
(defeatable)
2.5"
3"
voice coil and
3"
RMS high efficiency Class 0 amplifier
• Variable volume control
90,
180
or
• Selectable phase control (0,
• Frequency response of
22-120Hz
(Optimum-12),
• Magnetically shielded
28-120
for
video use (Optimum-10 and Optimum-12)
Hz
(Optimum-8),
• Multiple staggered low-pass crossovers;
• Driver Displacement Control
• Blue level indicator
• High-excursion EPDM
• Oversized spider
LED
rubber
for
linearityathigh excursion
• Hand-rubbed black lacquer
circuittoprevent over excursion and amp clipping
surround
or
cherry
270
12
dB/octave
veneer cabinet
the
carton
and
high-temp voice coil and
(Optimum-8)
162
ounce
voice coil and
162
ounce
connections
degrees)
24-120Hz
(Optimum-10),
initial,
48
dB/octave
all
packaging materials
17
of this manual
magnet/
magnet/
ultimate
for
WWW.VELODYNE.COM
Optimum
User's
Manual
1
Prepare
Your new Velodyne subwoofer provides
installation information below
system. Remember
to
prevent
for
Installation
to
perform
possible damage.
in
for
a number of installation options. Read
order
all
to
determine which installation option is best
installation procedures with system
Placement
The
first
stepininstalling your new Optimum sub istodetermine whereitwill be placedinthe
room. Unpack the system carefully and use the following guidelines
room placement option.
all
for
power
in
ordertofind the best
turned
of the
your
off
True subwoofers operate
Keep
in
mind
that
frequency response and output
placement, depending
output from your subwoofer,
greatest output levels and maximize low frequency extension. If
should
walls and close
be
placed along a wall. The
to
the center of your room.
a pair of Velodyne subwoofers
at
extremely low frequencies which are primarily omni-directional.
level
can
on
the acoustic properties of the listening room.
try
placingitwithin a foot of a corner. This location will offer the
at
worst
in
stereo,
location
Avoid
it
is preferable
for
a subwoofer is typically
these locations when possible.
to
feed each subwoofer with one
be
drastically influenced
all
possible, your subwoofer
channel and place each subwoofer near the satellite of the same channel.
on
Depending
possible.Finding the
experimentation.
best
to
you
Regardless of where
[woofer facing forward). Using, shipping
the size and type of furnishings
We
best
suggest
location withinyour environment willlikelyrequire some
you
experiment with the location during setuptofind what sounds
when seatedinyour typical listening position.
you
install your Velodyne subwoofer,itmust
or
extended period of time may resultindamagetothe unit
in
the room, perfect placement may
remaininan
storing the subwooferinany
not
covered
by
Caution!
This
subwoofer has electronics built into the cabinet.
of
heat
such as furnace registers, radiators, etc.
excessive moisture such as evaporative coolers, humidifiers, etc.
routed
result
in
such a way
in
damagetothe insulationorwire.
thatitwill
not
be walked
on,
00
not
place the cabinet nexttosources
00
not
place the unit
The
power
pinchedorcompressedinany way
To
obtain the best
far
away
upright position
other
position
warranty.
near
cord
from
When
not
for
sources
should be
that
by
any
using
be
an
of
could
Although the Velodyne Optimum-10 and the Optimum-12 are magnetically shielded,
Optimum-B subwooferisNOT
an
older
CRT
monitororTV,
distance
WWW.VELODYNE.COM
by
minimizing distortion of the picture and colors.
magnetically shielded. Should
keepitat
least two feet from the monitor. Experiment
you
find it necessarytouseitwith
for
Optimum
User's
Manual
the
correct
2
INSTALLATION
Inputs
Your new subwoofer is equipped with speaker-level and line-level inputs. Use
jacks when connecting your subwoofertoa pre-amp, signal
or
level crossover,
receivers may
Additionally,
this
receiver with pre-amp level outputs.
not
provide enough signal
to
have
lack of signal may also cause
the
unit's auto-on feature operate properly.
the
subwoofertoproduce less output thanitis
capable of.
To
alleviate
1) If using line level jacks, BOTH
never use
preamp
preamp
2) If using a receiver with
this
condition, we
just
or
signal processor, use both Left and Right inputs
and connect
the
recommend
left
or
them
LFE
out, be sure
just
to
the
following steps:
THE
LEFT
AND RIGHT INPUT SHOULD ALWAYS
the
right
the
Left and Right inputs on your subwoofer.
input. If using line level connections
the
LFE
channel is sending adequate signaltothe
subwoofer. The subwoofer's default volume setting is
volume). Adjust
output. See your receiver
the
LFE
channel on your receiverorprocessortoachieve the desired bass
or
processor's owner's manual
When
30
processor
[such as
using the line level jacks, some
on a
for
from
more
your preprocessor
1-80
scale [roughly
information.
the
LINE
LFE
BE
LEVEL
out], line-
USED
from
or
1/3
a
Volume
This control allows you
system. This control should
and subwoofer when listening
Control
to
balance
the
output
be
settoachieve similar output levels
to
music. The default volume setting is
from
the
subwoofertothe
main speakersinyour
from
both the main speakers
30
ona1-80
scale.
Warning:
Some
It
as
level
appear
may
Low-pass
All
adjustable low-pass crossover before being amplified. The crossover control allows you
the
response will begin rolling off above
crossover
main speakersinyour system. If your main speakers are smaller with limited low frequency
output, you may wish
larger
80
manufacturers
is very
your
important
front
adjustment
to
not
right
have a weak output,itmay
operate
procedure.Ifyour
Crossover
inputs sum
upper
speakers which have
Hz.
With
the
limit of
frequency
larger
preset
to
verify
and
properly
left and
the
subwoofer's frequency response
to
to
speakers, you may
their
receivers with
that
your
receiver Sub-Out channel is
left
channels.
-
right
channels together, with
Refertoyour
receiver Sub-Out channel is
sound
40
to
120
the
frequency you
obtain a smooth and seamless transition
choose a higher frequency [such as
greater
low frequency output. The default crossover setting is