Infinity Beta 12DVC Manual

Infinity Subwoofer Beta 12DVC

Læs gratis den danske manual til Infinity Beta 12DVC (2 sider) i kategorien Subwoofer. Denne vejledning er vurderet som hjælpsom af 57 personer og har en gennemsnitlig bedømmelse på 4.7 stjerner ud af 29 anmeldelser. Har du et spørgsmål om Infinity Beta 12DVC, eller vil du spørge andre brugere om produktet?

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Side 1/2
CAR AUDIO
Thank you for purchasing an Infinity Beta
Twelve.dvc 12" Subwoofer. You’ve selected a premi-
um product that offers superior performance and
advanced materials, resulting from over 25 years of
loudspeaker design. This Infinity product is made
with our ongoing dedication to create the best con-
sumer audio products possible. As a result, you can
expect your new Beta Subwoofer to provide you
with many years of listening enjoyment.
Refer to Subwoofer Enclosure Trade-Offs (on the
inside pages) for help in selecting an enclosure type
and alignment. Also, review the wiring diagrams (on
the back page) on how to connect the subwoofer for
Each Infinity Beta Twelve.dvc 12" Dual Voice-Coil
Subwoofer is covered by our limited parts and labor
warranty (see the enclosed warranty card). Keep
your original dated bill of sale in case warranty ser-
vice is required.
IMPORTANT: Installation of automotive stereo
components can require extensive experience in
dealing with a variety of electrical, and
mechanical procedures, including subwoofer
box building. Although these instructions
explain how to install a Beta Subwoofer in a
general sense, they do not show the exact instal-
lation methods for your particular vehicle. If
you do not have the experience, do not attempt
the installation yourself; instead ask your
Authorized Infinity Car Audio Dealer about
professional installation options.
PRECAUTIONS
• Always wear protective eyewear when using tools.
• Turn off all audio systems and other electrical
devices before starting the installation.
• Disconnect the (–) negative lead from your vehi-
cle’s battery.
• Locate and note all fuel lines, hydraulic brake
lines, and electrical wiring. Use extreme caution
when cutting or drilling in and around these areas.
• Check clearances on both sides of a planned
mounting surface before drilling any holes or
installing any screws.
T PHIELE-SMALL ARAMETERS
F
REE
-A
IR
R
ESONANCE
: F
S
(H
Z
) 22.00
C
OMPLIANCE
V
OLUME
: V
AS
(
FT
3
) 5.60
V
AS
(
LITERS
) 158.00
M
ECHANICAL
Q: Q
MS
7.88
E
LECTRICAL
Q: Q
ES
0.25
T
OTAL
Q: Q
TS
0.25
M
AXIMUM
E
XCURSION
: X
MAX
(
IN
) 0.39
X
MAX
(
MM
) 10.00
V
OICE
C
OIL
D
C
R
ESISTANCE
: R
E
(
OHMS
) 2.80
SPECIFICATIONS
D
IAMETER
: 12" (304.8
MM
)
S
ENSITIVITY
(2.83 V @ 1
M
): 94 dB
P
OWER
H
ANDLING
: 275 W
RMS
PER VOICE COIL
F
REQUENCY
R
ESPONSE
: 20 ~ 400 H
Z
N
OMINAL
I
MPEDANCE
: 4
OHMS PER VOICE COIL
D
IMENSIONS
:
®
Infinity Systems, Inc.
•
20630 Nordhoff Street
Chatsworth, CA 91311, USA
•
VOICE (818) 407-0228 • FAX (818) 709 -9486
®
Infinity Systems, Inc.
•
20630 Nordhoff Street
Chatsworth, CA 91311, USA
•
VOICE (818) 407-0228 • FAX (818) 709 -9486
mounting depth
5.875" (149.23 mm)
cutout diameter
11.38" (289.05 mm)
outer diameter
12.95" (328.93 mm)
Printed In Japan
Twelve.dvc 12" Subwoofer
I N S T R U C T I O N S
BETA WELVE DVCT . 2-OHM (PARALLEL) WIRING
BETA WELVE DVC HM ERIES IRINGT . 8-O (S ) W
BETA TWELVE.DVC IRINGSUMMED ONO-M W
BETA WELVE DVC UAL UBWOOFER IRINGT . D -S W
IMPORTANT: When connecting two Beta
Twelve.dvc subwoofers together, use Method #1
to create a net 4-ohm impedance. NEVER USE
METHOD #2, since most amplifiers cannot fully
control driver movement in this configuration.
®
+
–
–
+
Beta Twelve.dvc
(rear view)
–+
– +
From
Left
Amp
Output
From
Right
Amp
Output
®
From
Amp
Output
+
–
Beta Twelve.dvc
(rear view)
–
+
–
+
®
From
Amp
Output
+
–
Beta Twelve.dvc
(rear view)
–
+
–
+
DECLARATION OF CONFORMITY
We, Infinity Systems A/S
Kongevejen 194B
DK-3460 Birkerød
DENMARK
declare in own responsibility, that the Beta Twelve.dvc subwoofer
is in compliance with technical standards
EN 50 081-1/1992 and EN 50 082-1/3.1995
Steen Michaelsen
Infinity Systems A/S
Birkerød. DENMARK. 4/96
–
®
From
Amp
Output
(Dual) Beta Twelve.dvc
(rear view)
METHOD #1
–
+
®
–
+
–
+
–
+
+
–
From
Amp
Output
(Dual) Beta Twelve.dvc
(rear view)
METHOD #2
+
®
–
+
–
+
®
–
+
–
+
BETA WELVET .DVC ENTEDV ENCLOSUREBETA WELVET .DVC EALEDS ENCLOSURE
V
BOX
=
Box Volume
(see responses below)
Beta Twelve.dvc
(side view)
Port
D = diameter
(see responses
below)
L = length
(see responses
below)
dB (Normalized)
Freq.
(Hz)
100 50050 1k
Beta Twelve.dvc Vented Enclosure – Flat Response
10
-30
-20
-10
0
Free-Field
V
BOX
*= 1.25 ft
3
L = 15.00"
D = 4.00 "
Close-Field
(
In Car
)
dB (Normalized)
Freq.
(Hz)
100 50050 1k
Beta Twelve.dvc Vented Enclosure – Enhanced Response
10
-30
-20
-10
0
Free-Field
Close-Field
(
In Car
)
V
BOX
*= 2.50 ft
3
L = 3.70"
D = 4.00"
dB (Normalized)
Freq.
(Hz)
100 50050 1k
Beta Twelve.dvc Vented Enclosure – Extended Response
10
-30
-20
-10
0
Free-Field
Close-Field
(
In Car
)
V
BOX
*= 1.75 ft
3
L = 17.20"
D = 4.00"
V
BOX
=
Box Volume
(see responses below)
Beta Twelve.dvc
(side view)
dB (Normalized)
Freq.
(Hz)
100 50050 1k
Beta Twelve.dvc Sealed Enclosure – Flat Response
10
-30
-20
-10
0
Free-Field
Close-Field
(
In Car
)
V
BOX
*= 0.75 ft
3
dB (Normalized)
Freq.
(Hz)
100 50050 1k
Beta Twelve.dvc Sealed Enclosure – Enhanced Response
10
-30
-20
-10
0
Free-Field
Close-Field
(
In Car
)
V
BOX
*= 0.50 ft
3
dB (Normalized)
Freq.
(Hz)
100 50050 1k
Beta Twelve.dvc Sealed Enclosure – Extended Response
10
-30
-20
-10
0
Free-Field
Close-Field
(
In Car
)
V
BOX
*= 1.20 ft
3
BETA WELVE DVC ANDT . B -PASS NCLOSUREE
V
BOXR
=
Box Volume Rear
(see responses below)
V
BOXF
=
Box Vol. Front
(see below)
Beta Twelve.dvc
(side view)
Port
D = diameter
(see responses
below)
L= length
(see
responses
below)
dB (Normalized)
Freq.
(Hz)
100 50050 1k
Beta Twelve.dvc Band-Pass Enclosure – Flat Response
10
-30
-20
-10
0
Free-Field
Close-Field
(
In Car
)
V
BOXF
*= 0.70 ft
3
V
BOXR
*= 0.75 ft
3
L = 6.20 "
D = 4.00"
dB (Normalized)
Freq.
(Hz)
100 50050 1k
Beta Twelve.dvc Band-Pass Enclosure – Enhanced Response
10
-30
-20
-10
0
Free-Field
Close-Field
(
In Car
)
V
BOXF
*= 0.70 ft
3
V
BOXR
*= 0.65 ft
3
L = 5.30"
D = 4.00 "
dB (Normalized)
Freq.
(Hz)
100 50050 1k
Beta Twelve.dvc Band-Pass Enclosure – Extended Response
10
-30
-20
-10
0
Free-Field
Close-Field
(
In Car
)
V
BOXF
*= 1.00 ft
3
V
BOXR
*= 1.10 ft
3
L = 5.90"
D = 4.00"
S E TUBWOOFER NCLOSURE RADE OFFS-
Subwoofer enclosures are classified as sealed (acoustic
suspension) or ported (bass-reflex), and can be built in
many configurations. Here we discuss three popular box
types and encourage you to compare their response
curves, noting the differences in Beta Twelve.dvc output
level and frequency response versus volume in sealed,
vented, and single-reflex band-pass enclosures.
A sealed enclosure is the smallest and simplest to build,
with high power handling, good phase coherence, and
the most predictable response, at the expense of some-
what diminished sound output. If amplifier power is not
a concern, this is the best choice for most systems, pro-
viding the highest output at the lowest frequencies.
A vented enclosure adds a port (or vent) tuned to the
speaker’s resonance in the box to help boost sound out-
put by “tuning” the rear sound waves so they add to the
front ones. It is more efficient than a sealed box above
the tuned frequency, but more difficult to build properly.
For frequencies below the tuned range, output is less-
ened due to sound cancellation, and there is a 180-
degree phase shift at the tuned frequency. Other draw-
backs are the increased box size for the added port and
diminished power handling due to woofer over-excur-
A single-reflex band-pass enclosure counteracts the
sound cancellation properties in vented designs by iso-
lating the subwoofer from the port within its own enclo-
sure. It offers higher power handling, and an automatic
band-pass response to help roll off higher frequencies.
However, it has a 180-degree phase shift at the tuned
frequency. Also, complexity and size are increased, due to
separate front and rear chambers, and it requires
adding substantial midbass drivers elsewhere in the car.
We recommend a sealed enclosure for the Beta
Twelve.dvc. Depending on your taste in music, you can
select a box volume for a flat, enhanced, or extended
bass response (see graphs on right). The flat response is
optimum for all enclosures and types of music. The
enhanced sealed box provides a “tighter” bass, great for
rock and rap. An enhanced vented box has increased
output, but with diminished transient response and
power handling. The extended sealed box is more effi-
cient at the lowest frequencies, providing added bass
boost for jazz and classical music, but with diminished
power handling. The extended response curve provides
the best power handling for vented enclosures.
For more help, please call Infinity technical support at:
(800) 553-3332
*If filling is desired, reduce box volume by 20%. *If filling is desired, reduce box volume by 20%. *If filling is desired, reduce box volume by 20%.

Produkt Specifikationer

Mærke: Infinity
Kategori: Subwoofer
Model: Beta 12DVC

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