Blaupunkt VW 300 Bruksanvisning
Blaupunkt
Bil högtalare
VW 300
Läs nedan 📖 manual på svenska för Blaupunkt VW 300 (38 sidor) i kategorin Bil högtalare. Denna guide var användbar för 11 personer och betygsatt med 4.5 stjärnor i genomsnitt av 2 användare
Sida 1/38
1
GB
Notes on installation and operation
D
Hinweise zur Installation und Bedienung
F
Conseils pour l’installation et l’utilisation
I
Note su installazione e comandi
NL
Aanwijzingen voor installatie en bediening
S
Anvisningar för installation och användning
E
Instrucciones de instalación y manejo
P
Instruções de instalação e de utilização
DK
Henvisninger til installation og betjening
Velocity Reference Subwoofer
Vw 250 7 606 344 000
Vw 300 7 606 345 000
Vw 380 7 606 349 000
Vw 380
SERIES
2
GB
Thanks for choosing Blaupunkt !
Congratulations on your purchase of your new Blaupunkt Velocity-Series subwoofers. We have
invested tremendous effort in the design process of the new Blaupunkt Velocity-Series subwoofers.
Reference series, in order to achieve superior musical performance.
For maximum performance and reliability we highly recommend that your new Blaupunkt Velocity-
Series subwoofers be installed by an authorised Blaupunkt dealer. By using our Blaupunkt Velocity-
Series component speakers and amplifiers you can be assured of making the best out of your high-
quality audio hi-fi system without spoiling the sound by using components of inferior quality.
For additional information on the Blaupunkt Product Line (technical data, user notes and soon also a
simulation programme for subwoofer housings) visit our Internet site at: http://www.blaupunkt.com
We provide a manufacturer guarantee for our products bought within the European Union. You can
view the guarantee conditions at www.blaupunkt.de or ask for them directly at:
Blaupunkt GmbH
Hotline
Robert-Bosch-Str. 200
31139 Hildesheim
Germany
Safety precautions
Before starting to mount your speakers, please read carefully the instructions on installation and
connection.
Disconnect the negative terminal of the battery before carrying out installation and connection work.
Observe the vehicle manufacturer’s safety instructions (regarding airbags, alarm systems, trip
computers, vehicle immobilisers).
When drilling holes, take care to avoid damage to vehicle components (battery, cables, fuse boxes).
Do not mount the subwoofer onto flexible rear decks (hatchback vehicles) or anywhere where they may
fall forward.
SUBWOOFER ENCLOSURE TYPES
Sound is created by the movement of the woofer
cone back and forth. If a woofer cone moves
forward creating a positive pressure wave, this
same motion creates a negative pressure at the
back of the woofer. If these two waves combine
due to the lack of a wall separating the front of
the speaker sound from the back, the output
from the woofer is effectively cancelled thus
substantially reducing the bass output of the
speaker. This wall is absolutely necessary and is
referred to as an acoustical “baffle”. It can be
accomplished using a box of some kind or sim-
ply the rear package shelf of an automobile to
isolate the front and back waves of the speaker.
FRAME SURROUND
CONE
DUST CAP
FRONT PLATE
YOKE
VENT
VOICE COIL
SPIDER
MAGNET
3
COMMON ENCLOSURE TYPES
In the car audio world there are five types of subwoofer enclosures commonly used: INFINITE
BAFFLE, SEALED BOX (closed box), VENTED BOX (bass reflex), SINGLE-VENTED BANDPASS
(often incorrectly referred to as “5th” order), DUAL-VENTED BANDPASS (often incorrectly referred
to as “7th” order). No single design is superior because each has its own compromise in performance,
power handling and design complexity. The bandpass name implies a “built-in” acoustical response
which has a natural highpass response (30 Hz for example) but also a lowpass response suppressing
high frequencies (e.g., > 80 Hz).
INFINITE BAFFLE (fig. a) designs simply use the trunk of the car for
its acoustical enclosure and the rear deck to isolate the front and rear
sound paths. Advantages include simple installation and adequate
performance for most systems. Disadvantages include poor power
handling capacity and substandard transient response.
SEALED boxes (fig. b) offer one of the best compromises in power
handling and performance. Because of the “air spring” provided by the
box the advantages include simple box construction, higher power
handling, excellent transient response, and smooth low frequency roll-
off. Disadvantages include only moderate efficiencies at low frequen-
cies and the need for large box volumes.
VENTED boxes (fig. c) extend the low frequency response below that
of the sealed box by using a port tube. Advan-tages include extended
low frequency response, lower distortion due to smaller cone move-
ments in its passband, good efficiency, good transient response,
moderate size boxes and higher power capacity. Disadvantages
include increased complexity in box design and possible woofer
damage due to over-excursion of the woofer cone below the cut-off
frequency of the vented box.
SINGLE-VENTED BANDPASS boxes (fig. d) are relatively new
(about 5 years in the car) but offer some advantages of both the sealed
and vented designs. Advantages include reasonable efficiency, small
box volumes, good transient response, extended low frequency per-
formance and can be used with very high power amplifiers. Disadvan-
tages include slightly lower efficiency compared to a vented box and
increased complexity in box design and construction.
DUAL-VENTED BANDPASS boxes (fig. e) vent the sound from the
front and back of the woofer through individually tuned enclosure on the
front and rear of the woofer. The advantage of this design is its high
efficiency over a narrow frequency band. Disadvantages include
complex design and construction, large box volumes, poor transient
response and susceptibilities to cone over-excursions (damage) for
sound outside its primary frequency band.
a)
b)
c)
d)
e)
Produktspecifikationer
| Varumärke: | Blaupunkt |
| Kategori: | Bil högtalare |
| Modell: | VW 300 |
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