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PROFESSIONAL SOUND SYSTEM
Subwoofer System
GENERAL DESCRIPTION
Subwoofer Systems: Models SDB and SLB
Sound reinforcement of today's electronic musical instruments
and
digital
quaiity
recordings
response, high power output and extended dynamic range,
making the reproduction of ultra-low frequency sound an im-
portant factor. To complement our SD and SL Series of sound
reinforcement speaker systems, the SDB and SLB were
designed to meet these strict requirements.
Both systems are comprised of a bass reflex enclosure hous-
ing a heavy duty 15-inch woofer. The low frequency cut-off is
tuned to 40 Hz for the SDB and 50 Hz for the SLB. The front
baffle of the enclosure is designed as a functional low pass
filter, thus allowing the reproduction of ultra-low frequencies
with outstanding clarity. The SDB is rated at 360 watts and
the SLB is 240 watts continuous program material.
Four 1/4" phone jacks are provided on the rear panel for input
and bridging functions. The internal crossover input provides
access to a built-in low-pass filter network (passive), and is
used when an external electronic crossover network is not
available. The direct input provides access to the 15" woofer,
and is used in conjunction with an external electronic
crossover network.
SDB
requires
wide
frequency
Model SDB, SLB
The wooden enclosure is designed and constructed to prevent
resonance and sympathetic vibrations that may interfere with
the accurate
reproduction of ultra-low frequencies. The
enclosures are equipped with large side-mounted handles for
convenient transport, and interlocking protective corners for
multiple speaker stacking. The SDB and SLB are finished in
an attractive, scratch resistant polyester resin.
FEATURES
1. A uniquely designed enclosure combines a bass reflex
design with an acoustical low-pass filter to produce ultra-
low frequencies with outstanding clarity.
2. High power capacity provide dynamic range
3. Quarter inch phone jack terminals for input and bridging
functions.
4. Internal passive crossover network (low-pass filter).
5. Rugged enclosure finished in scratch-resistant polyester
with handles and interlocking corner protectors.
Instruction Manual
SLB
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Table of Contents
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Summary of Contents for Toa SDB
-
Page 1: Subwoofer System
Both systems are comprised of a bass reflex enclosure hous- ing a heavy duty 15-inch woofer. The low frequency cut-off is tuned to 40 Hz for the SDB and 50 Hz for the SLB. The front baffle of the enclosure is designed as a functional low pass filter, thus allowing the reproduction of ultra-low frequencies with outstanding clarity. -
Page 2: Specifications
Specifications MODEL NUMBER Enclosure Speaker Power Capacity Continuous Pink Noise 120 watts RMS of band-limited pink noise Continuous Program Impedance Sensitivity Frequency Response Internal Crossover (Low-pass) Input Terminals Finish (Enclosure) Dimensions Weight Frequency Response (1W/1m: Swept INTERNAL CROSSOVER INPUT INTERNAL CROSSOVER INPUT Vented (bass reflex) type 15"... -
Page 3: Connection Diagrams
This type of configuration shown on Fig 3 and Fig 4 is perfectly acceptable in low to medium level applications, however, we highly recommend the use of a separate high-power amplifier to exclusively drive any subwoofer enclosure. Frequency dividing may be accomplished with either an external crossover unit or the internal crossover unit. - Page 4 Power Amplifier [Fig 4] 4. System using 2 power amplifiers and internal crossover network. Full Range Signal Mixer or Preamplifier Power Amplifier [Fig 5] Toa Electric Co., Ltd. Main Speaker System INTERNAL CROSSOVER IN Subwoofer System Main Speaker System Bridge...
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