Instrukcja obsługi JBL ASB7128

JBL głośnik ASB7128

Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla JBL ASB7128 (2 stron) w kategorii głośnik. Ta instrukcja była pomocna dla 3 osób i została oceniona przez 2 użytkowników na średnio 4.5 gwiazdek

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ASB7128
Ultra Long Excursion
High Power
Dual 18" Subwoofer
Key Features:
䉴
2 x 2269H 18" Differential Drive
®
dual
voice coil dual gap, neodymium
magnet transducers
䉴
4000 watts continuous pink noise,
16000 watts peak power handling
capacity
䉴
Ultra Long Excursion
䉴
Large vent area for high output with
low distortion
䉴
Parallel/Discrete switchable input
mode
䉴
For ground-stacked or suspended
applications in stand-alone arrays or in
combination with other AE Series
products
Applications:
䉴
Performing Arts Facilities
䉴
Theatrical Sound Design
䉴
Auditoriums
䉴
Worship Facilities
䉴
Live Clubs
䉴
Dance Clubs
䉴
Sports Facilities
䉴
Themed Entertainment Venues
The ASB7128 is a high power,
lightweight front-loaded vented
subwoofer enclosure housing two of
JBL’s exclusive 2269H Ultra Long
Excursion 18" Differential Drive®
woofers. This woofer features
neodymium magnet, dual voice coils
and dual gaps, JBL’s exclusive Vented
Gap Cooling™ and ultra robust
composite cone for high excursion and
extra long life. Woofer is capable of a
peak-to-peak maximum excursion of
89 mm (3.5").
The enclosure is constructed of
multiply hardwood coated in JBL’s
rugged DuraFlex™ finish and is heavily
braced to maximize low-frequency
performance. The rectangular enclosure
is fitted with sixteen M10 threaded
attachment points and utilizes a
14-gauge steel grille internally lined
with acoustically transparent foam to
provide additional driver protection and
give a very professional appearance.
The ASB7128 is part of JBL’s AE
Series, a versatile family of
loudspeakers intended for a wide
variety of applications.
Specifications:
System:
Frequency Range (-10 dB): 20 Hz - 1 kHz
Frequency Response (± 3 dB): 25 Hz - 1 kHz
Input Modes: Drivers Parallel / Drivers Discrete
Transducer Power Rating1: 4000 W (16000 W peak), 2 hrs.
Long-Term System Power Rating2: 2400 W (9600 W peak), 100 hrs
Maximum SPL (1m)3: 25 Hz - 200 Hz: 135 dB-SPL cont avg. (141 dB peak)
System Sensitivity4: 25 Hz - 200 Hz: 99 dB-SPL, 1W (2.0V) @ 1m
Nominal Impedance: 4 ohms in parallel-drive mode
2 x 8 ohms in discrete-drive mode
Transducers:
Low Frequency Driver: 2 x 2269H, 460 mm (18 in) dia., 100 mm (4 in) Dual Coil Dual
Gap neodymium Differential Drive®, VGC™ drivers
Physical:
Enclosure: Rectangular cabinet, 16 mm (5/8 in) exterior grade 11-ply birch
plywood
Suspension Attachment: 16 points (4 top, 4 bottom, 4 each side) M10 threaded hardware
Finish: Black DuraFlex™ finish. White available upon request.
Grille: Powder coated 14 gauge perforated steel, with acoustically
transparent black foam backing.
Input Connector: NL4 Neutrik Speakon®and CE-compliant covered barrier strip
terminals. Barrier terminals accept up to 5.2 sq mm (10 AWG)
wire or max width 9 mm (.375 in) spade lugs. Speakon in
parallel with barrier strip for loop-through.
Environmental Specifications: Mil-Std 810; IP-x3 per IEC529.
Dimensions (H x W x D in 1092 x 560 x 815 mm
vertical cabinet orientation): (43.0 x 22.0 x 32.1 in)
Net Weight: 71.9 kg (158.5 lb)
Optional Accessories: M10 x 35 mm forged shoulder eyebolts with washers.
1AES standard, one decade pink noise with 6 dB crest factor within device's operational band, free air. Standard AES 2 hr rating
plus long-term 100 hr rating are specified for low-frequency transducers.
2AES standard, one decade pink noise with 6 dB crest factor, in cabinet, long-term 100 hr rating.
3Calculated based on power rating and sensitivity, exclusive of power compression.
4Half-space (2␲) loading, averaged in specified frequency band.
JBL continually engages in research related to product improvement. Changes introduced into existing products without notice
are an expression of that philosophy.
Professional Series
䉴ASB7128 Ultra Long Excursion High Power Dual 18" Subwoofer
Frequency response is measured on-axis at a distance referenced to 1 m @ 1 watt (2.0 Vrms)
input, shown as half-space (2␲, solid line) and full-space (4␲, dotted line) environment.
20 100 1000 10000 20000
Frequency (Hz)
70
80
90
100
110
SPL (dB)
Electrical Input Impedance (parallel mode)
20 100 1000 10000 20000
Frequency (Hz)
1
10
100
Impedance (Ohms)
477.8
(18.8)
C
L
95.0
(3.7)
675.5
(26.6)
426.0
(16.8)
559.8
(22.0)
1092.2
(43.0)
814.9
(32.1) 426.0
(16.8)
R762.5
(R30.0)
C
L
C
L
TOP
FRONT SIDES REAR
BOTTOM
Dimensions in mm (in)
JBL Professional
8500 Balboa Boulevard, P.O. Box 2200
Northridge, California 91329 U.S.A.
© Copyright 2009 JBL Professional
www.jblpro.com
H larman InternationaSSASB7128-50
CRP
06/09

Specyfikacje produktu

Marka: JBL
Kategoria: głośnik
Model: ASB7128

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