Velodyne 8100X, VA-8100X Owner's Manual
"It delivered room-shaking bass
and
dramatically demonstrated the
effectiveness of
a single subw
oofer
placed
to one side
of
the room"
- Julian Hirsh
Stereo Review, Janua
ry
1997
"
If
you
want the absolute-de
epest, most
feel it-in-your-tushy
BASS
under a grand, look no farther than the Velodyne . . . "
- Corey Greenberg
Home Thea ter, Februa
ry
1995
63-8100
Rev. B
Velodyne Acoustics, Inc .
1070 Commercial
St.
Suite #101
San Jose, CA
95112
408.436.7270 voice
408.436.7276 fax
Web
Site: http//www.velodyne.com
E-mail: velodyne@earthlink.net
Printed on recycled paper.
~
8100X
Owner's Manual
Velodyne
AudiolVi
deo
Subwoofer System
Congratulations!
Congratulations on your purchase of a Velodyne VA-8100X subwoofer
system. This system represents the state of
the
art in
accurate
low
frequency reproduction. Read and follow the instruc-
tions
below
to insure safe and
proper
system operation.
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. Remove a
ll
staples used to
seal the carton as they can scratch the cabinet. Please save the
carton and
all packaging materials for future use. Record the serial
number
in the space provided on the warranty card for future
reference .
Product Features & Controls
• Built-in 100 watt (RMS)
power
amplifier
•
Subwoofer
Direct -switch able
crossover
bypass
•
Adjustable
(40 to 120 Hz) low -pass
crossover
• Passive (85
Hz
fixed) high-pass
crossover
• Line-level inputs & outputs
•
Speaker-level
inputs & outputs
• Signal
sensing
auto turn on/off with
bypass
option
• Variable
volume
control
•
Selectable
phase control (0 or
180
degrees)
• Anti -clipping circuitry
•
Magnetically
shielded for video
use
• Dual staggered low-pass
crossover
; 12dB/octave initial,
24dB/octave
ultimate
•
Gain
compression
circuit to protect
woofer
from over excursion
•
Input
overload protection
1
!
<:
'.
Installation
Your
new
VA-8100X subwoofer system provides for a
number
of
insta
ll
ation options. Read a
ll
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.
;nputs
Your
new
VA-81
OOX
subwoofer is equipped with both speaker-level
and
line-level inputs. Use the LINE-IN jacks when
connecting your
subwoo fer to a pre-amp, signal processor, or line -level crossover.
The
;'::RO
M AMPLIFIER ja cks connect directly to the speaker
outputs of a integrated amplifier or receiver.
Your
amp
lifier section
will notice
no additiona l loading effects when you use these inputs
because of their high impedance.
Note
Do not use both
LINE
-IN
and
FROM
AMPLIFIER inpu
ts simulta-
neously.
Caution !
Polarity is critical when using s
peak
er level inputs. Reversing the
pol
arity of speaker level inputs can damage the unit.
Volume
control
Thi s control allows you to balance the output from the
s
ulJwoofe~
to
the main speakers in your system. This control should be set to
achieve
simi lar volume level from bo
th th
e main speakers and
subwGofer.
Low-pass crossover
Both sets of inputs sum the left and right channels together and the
resulting signal is passed through an adjustable low-pass crossover
before being amplified. The crossover control
allows you to adjust
the upp
er
limit of the subwoofer's frequency res
ponse from 40 to
120 H
z.
The
subwoofer's response will begin rolling off above the
frequency
YO
Ll
set this control to.
continued .
2
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