Instrukcja obsługi JBL Control SB-2
Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla JBL Control SB-2 (2 stron) w kategorii głośnik. Ta instrukcja była pomocna dla 9 osób i została oceniona przez 5 użytkowników na średnio 4.5 gwiazdek
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System Specifications:
Frequency Range (-10 dB): 38 Hz-160 Hz
Continuous Program Power Capacity1: 340 Watts (both inputs driven)
170 Watts (each input) x 2
Sensitivity2: 100 dB (1 W, 1 m) at corner junction ( /2 loading)π
97 dB, at two boundary junction (πloading)
Nominal Impedance: 8 ohms per input; 4 ohms total with both inputs
paralleled.
Network Filter to Subwoofer: 12 dB/oct low-pass (per input), 160 Hz
Acoustic Filtering: 6 dB/oct low-pass filtering via slot-load design, 80Hz
Network Filter to Satellite Outputs: 6 dB/oct high-pass (per output)
Satellite Impedance: 4Ωload per Satellite Output recommended
Optimum System Configuration: Four JBL Control 23 satellite speakers (two on each
SB-2 satellite output) provide optimum sensitivity
balance and impedance loading, resulting in full-range
38 Hz - 22 kHz system performance. Broadband
impedance is 4Ωper input x 2 channels.
Driver: 250 mm (10 in) long-throw with dual voice coils
Enclosure Material: Particle Board
Terminations: Spring terminals, accepts banana plugs. Left In,
Right In, Left Satellite Out, and Right Satellite Out
Installation Accessories: MTC-SB2W for installing SB-2 onto a wall or into a
corner
MTC-SB2C for suspending SB-2 from ceiling
Dimensions (H x W x D): 394 x 585 x 343mm (15.5 x 23.0 x 13.5 in)
Net Weight: 19.1 kg (42 lbs)
Shipping Weight: 22.7 kg (50 lbs)
1Continuous program is a conservative expression of the system’s ability to handle normal
speech and music program material and is defined as 3 dB greater than the continuous pink
noise rating (AES pink noise from 30Hz-300Hz with a 6 dB crest factor, for 100 hours
continuously).
2Sensitivity rated in the subwoofer band, from 60Hz to 90Hz, both inputs driven 1/2W each
(1W total). Sensitivity with 1W to each input is 3 dB higher.
JBL continually engages in research to produce improvement. New materials, production
methods, and design refinements are introduced into existing products without notice as a
routine expression of this philosophy. For this reason, any current JBL product may differ in
some respect from its published description, but will always equal or exceed the original
design specifications unless otherwise stated.
Control®SB-2
Stereo Input
Dual Coil Subwoofer
Key Features:
䉴
Component: 250 mm (10 in) dual
voice coil transducer
䉴
Stereo inputs with high-pass
outputs for satellite speakers
䉴
Slot-load vented bandpass design
䉴
Complements full-range
Control Contractor Series systems
䉴
High Sensitivity: 100 dB, 1 W, 1 m
The Control SB-2 provides low
frequency reinforcement in
subwoofer/satellite systems. The
Control SB-2 is ideal for foreground
music and music/paging systems in
restaurants, retail establishments,
theme bars, music cafes, health
clubs, and other indoor
applications.
The unique slot-load vented
design provides acoustic low-pass
filtering. Compared to traditional
bandpass subwoofers, the SB-2
offers superior musical clarity and
bass impact.
The satellite outputs are high-
pass filtered, reducing overall sys-
tem distortion by eliminating the
need for the satellite speakers to
reproduce frequencies in the low
bass range. The satellites operate
more efficiently, maintaining excel-
lent midrange clarity and realism in
music and paging. The high-pass
filtering also allows a greater num-
ber of satellite speakers to be paral-
leled in the system by increasing
the impedance the amplifier sees in
the subwoofer range. The stereo
inputs are 8 ohms each.
The combination of the satellite
high-pass filtering, the acoustic slot-
load filtering and a built-in 2nd
order low-pass crossover network
results in smoother overall system
frequency response and virtually
eliminates the “muddiness” typical
of other subwoofer/satellite systems
by reducing frequency overlap in
the low midrange.
Professional Series
䉴Control®SB-2 Stereo Input Dual Coil Subwoofer
The Control SB-2 incorporates a long-excursion
250mm (10in) transducer providing usable output to
38 Hz. Dual voice coils on the transducer allow the
single cabinet to reproduce subwoofer frequencies
for both the left and right channels while maintain-
ing channel separation in the satellites.
Subwoofer placement can be used as a tool for
adjusting output sensitivity to match that of the
satellite speakers and the requirements of the
application. Positioning the SB-2 at the junction of
three boundaries (i.e. - at a floor/wall/wall or
ceiling/wall/wall junction) yields maximum output
sensitivity for use with high sensitivity satellites or
for subwoofer-heavy applications. Placement at
the junction of two boundaries (i.e. - floor/wall,
ceiling/wall or wall/wall) reduces the subwoofer
level by 3 dB. Placement in the middle of a single
boundary (i.e. - wall, floor or ceiling) further
reduces subwoofer output sensitivity by another
3 dB, to match with less efficient or higher
impedance satellite systems. The Control SB-2 is not
weather resistant and should not be used outdoors.
SB-2 frequency response, (1W total, 1m) at two-boundary junction (π
loading, dotted line) and at three-boundary junction (π/2loading, solid line).
SB-2 Impedance, per input.
SS CONTROL SB-2
CRP 5M
03/08
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DIMENSIONS ARE INCHES / [MM]
A Harman International Company
JBL Professional
8500 Balboa Boulevard, P.O. Box 2200
Northridge, California 91329 U.S.A.
© Copyright 2008 JBL Professional
Specyfikacje produktu
| Marka: | JBL |
| Kategoria: | głośnik |
| Model: | Control SB-2 |
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