QSC SB-2180 Bruksanvisning

QSC Subwoofer SB-2180

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Cinema Loudspeaker
Systems
User Guide
SB-2180 Dual-18" Subwoofer
TD-000512-00-A
*TD-000512-00*
2
TD-000512-00-A
EXPLANATION OF SYMBOLS
The term “WARNING!” indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death.
The term “ ” indicates instructions regarding possible damage to physical equipment. If these instructions are not followed, it may result in CAUTION!
damage to the equipment that may not be covered under the warranty.
The term “IMPORTANT!” indicates instructions or information that are vital to the successful completion of the procedure.
The term " " is used to indicate additional useful information.NOTE
The intent of the exclamation point within an equilateral triangle is to alert the user to the presence of important safety, and operating
and maintenance instructions in this manual.
IMPORTANT SAFETY INSTRUCTIONS
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Do not submerge the apparatus in water or liquids.
7. Do not use any aerosol spray, cleaner, disinfectant or fumigant on, near or into the apparatus.
8. Clean only with a dry cloth.
9. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
10. Only use attachments/accessories specified by the manufacturer.
11. Refer all servicing to qualified service personnel.
12. Adhere to all applicable, local codes.
13. Consult a licensed, professional engineer when any doubt or questions arise regarding a physical equipment installation.
Warranty
For a copy of the QSC Limited Warranty, visit the QSC's website at www.qsc.com
3
TD-000512-00-A
Introduction
The SB-2180 is a specially designed cinema subwoofer, featuring dual 18”
(460 mm), low-frequency transducers, mounted in a ported enclosure. The
enclosure is tuned to 29 Hz.
The two custom 18” transducers were developed especially for cinema use.
The woofers feature 4” (100 mm) voice coils and vented pole pieces to ensure
cool operation, even at high power levels. Cooler temperatures increase driver
lifespan and decrease problematic power compression at high drive levels.
Undercut pole pieces provides a Symmetrical Magnetic Gap (SMG), reducing
second harmonic distortion.
Enclosures are constructed of high quality MDF panels and feature Single
Woofer Chambers (SWC). The separate chamber for each transducer makes
the enclosure stronger, provides rigidity, and prevents cone over-excursion
in the rare event of a driver failure (enclosure “loading” is not lost for the
remaining transducer).
Large, Fully Radiused Ports (FRP) ensure smooth air flow through the
ports, especially at higher drive levels. This prevents potentially audible port
turbulence noise. Both internal and external port openings are fully radiused.
With Symmetrical Port Loading (SPL) bass ports are evenly spaced on each
side of the transducers, making internal pressure more uniform across the
back surface of the transducer.
This prevents the cone from being displaced to one side or another by
unbalanced air pressure, reducing the chance of driving the voice coil out of
the center of the gap at high drive levels.
WARNING!: Enclosure is not designed to be suspended,
flown, or rigged. Do not suspend, fly, or rig this enclosure.
This product is capable of producing sound pressure levels that
can permanently damage human hearing. Always keep sound
pressure levels in the listening area below levels that can damage
human hearing.
Install in accordance with QSC’s instructions and a licensed,
professional engineer. Refer all servicing to qualified personnel.
Servicing is required when the apparatus has been damaged in
any way.
WARNING!: Before placing or installing, any speaker
product, inspect all hardware, cabinets, transducers and
associated equipment for damage. Consult a licensed,
professional engineer when any doubt or questions arise
regarding a physical equipment installation.
— Figure 1 —
1079.5 mm
42.5"
841.8 mm
33.14”
419.1 mm
16.5"
9.9 mm
.39"
831.9 mm
32.75"
157 mm
6.2"
205.3 mm
8.1"

Produktspecifikationer

Varumärke: QSC
Kategori: Subwoofer
Modell: SB-2180

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