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Toa SB-38W Instruction Manual
Toa SB-38W Instruction Manual

Toa SB-38W Instruction Manual

Professional sound system
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PROFESSIONAL SOUND SYSTEM
Low Frequency Enclosure
APPEARANCE
FEATURES
1. Low frequency, vented(bass-reflex) enclosure for permanent installation.
2. Creates a woofer system that reproduces low frequencies with high efficiencies when two
HLS38UL-8 woofers are mounted. The tuning frequency is 45 Hz.
3. Each speaker is mounted to the baffle board from the rear of the enclosure, facilitating
maintenance after installation.
4. Creates a wide-range, high-efficient standard speaker system(GS-3806W or GS-386W)
when used in conjunction with a LE-940 or LE-M94 CD horn, a HFD-260-8 compression
driver and two HLS38UL-8 woofers.
5. It is possible to suspend the SB-38W with the optional HY-700 suspension kit.
6. It is easy to mount the LE-940 or LE-M94 to the enclosure with the optional HY-940 or HY-
M94 horn mounting bracket when the standard speaker system is configured.
7. Large input screw terminal.
8. A protective punched-metal grille.
9. Finished with paint(dark gray).
Instruction Manual
Model SB-38W
Stands for the position of the gravity
center when two speaker units(HLS38UL-
8) are installed inside.
Note:Be sure to install each speaker unit from
the inside of the enclosure baffle board.
1. Punched-metal grille
2. Enclosure
3. Nut for horn mounting bracket
(HY-940/HY-M94)
4. Hole for suspension kit(HY-700)
5. Rear board
6. Terminal panel
7. Input terminal

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Summary of Contents for Toa SB-38W

  • Page 1 LE-940 or LE-M94 CD horn, a HFD-260-8 compression driver and two HLS38UL-8 woofers. 5. It is possible to suspend the SB-38W with the optional HY-700 suspension kit. 6. It is easy to mount the LE-940 or LE-M94 to the enclosure with the optional HY-940 or HY- M94 horn mounting bracket when the standard speaker system is configured.
  • Page 2 Characteristic Diagrams(Assembled Two HLS38UL-8 Low-Frequency Loudspeakers) Frequency Response • Impedance Curve Harmonic Distortion Measured in an anechoic environment at 1 watt and 1 Measured at 100 watts (-10dB power), 1 meter. meter. Coverage Angle vs Frequency(-6dB) Directivity Factor(Q) vs Frequency Polar Response (1/3 Octave Pink Noise) Horizontal Vertical...
  • Page 3: Installation Examples

    Mounting the Horn When the standard speaker system(GS-3806W or GS-386W) is configured, the constant directivity horn LE-940 or LE-M94 is mounted to the SB-38W with the horn mounting bracket HY-940 or HY-M94 respectively. For details, refer to their instruction manuals.
  • Page 4 Standard Speaker System GS-3806W Components Configuration SB-38W:Low-frequency enclosure HLS38UL-8×2:Low-frequency speaker unit LE-940:Constant directivity horn HFD-260-8:Compression driver HY-940: Horn mounting bracket Note The HNW-500 dividing network is required when driving the speaker system with passive operation. SAORI Setting 1. When driving the speaker system with multi-amplifier...
  • Page 5 Standard Speaker System GS-386W Components Configuration SB-38W: Low-frequency enclosure HLS38UL-8×2:Low-frequency speaker unit LE-M94:Constant directivity horn HFD-260-8:Compression driver HY-M94:Horn mounting bracket Note The HNW-500 dividing network is required when driving the speaker system with passive operation. SAORI Setting 1. When driving the speaker system with multi-amplifier...
  • Page 6 Printed in Japan TOA Corporation 133-01-326-9A...
  • Page 7: Safety Precautions

    SAFETY PRECAUTIONS Follow this instruction manual to obtain the optimum results before use. We also recommend you keep this instruction manual handy for future reference. Note that this manual may include safety precautions not applied to your products. WARNING Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a slanted surface.
  • Page 8 Model SB-38W...
  • Page 9 HLS38UL-8 2 400Hz 200Hz 250Hz 315Hz 630Hz 800Hz 1000Hz 500Hz - 2 -...
  • Page 10 HLS38UL-8 2 - 3 -...
  • Page 11 GS-3806W - 4 -...
  • Page 12 GS-386W - 5 -...
  • Page 13 TEL. 0120-108-117 TEL. 0797-72-7567 FAX. 0797-72-1090...
  • Page 14 * Please see the reverse side for English safety instructions.