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LINE ARRAY SPEAKERS
EXTENSION PLATE
PROTECTION PAD
Thank you for purchasing TOA's Line Array Speakers and their associated products.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
(optional)
(optional)
SR-S4LWP
OPERATING INSTRUCTIONS
SR-S4LWP
SR-S4SWP
SR-EP4WP
SR-PP4
SR-S4SWP
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Summary of Contents for Toa SR-S4LWP
- Page 1 SR-S4LWP SR-S4SWP EXTENSION PLATE SR-EP4WP (optional) PROTECTION PAD SR-PP4 (optional) SR-S4SWP SR-S4LWP Thank you for purchasing TOA's Line Array Speakers and their associated products. Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
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Page 2: Table Of Contents
............14 14. DIGITAL PROCESSOR FILTERING 14.1. Single-Amplifier Drive (Factory-Setting) ..............14 14.2. Bi-Amplifier Drive ...................... 14 15. SPECIFICATIONS 15.1. Line Array Speaker SR-S4LWP, SR-S4SWP ............15 15.2. Extension Plate SR-EP4WP (optional) ..............16 15.3. Protection Pad SR-PP4 (optional) ................16... -
Page 3: Safety Precautions
1. SAFETY PRECAUTIONS • Before installation or use, be sure to carefully read all the instructions in this section for correct and safe operation. • Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or cautions regarding safety. - Page 4 Indicates a potentially hazardous situation which, if mishandled, could CAUTION result in moderate or minor personal injury, and/or property damage. When Installing the Unit • Avoid placing the unit in a doorway or other high traffic area as people may trip on the equipment and cords, or be injured by falling objects.
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Page 5: General Description
The SR-S4LWP speaker is of a linear design which is ideal for long distance sound transmission applications, while the SR-S4SWP features a curved line having a 10° vertical coverage area, and is designed to cover relatively short distance applications. -
Page 6: Installation Precaution
• Take care not to install the speaker upside-down relative to the "UP" mark affixed to the speaker's rear panel. • Do not install the speaker horizontally. • The downward angle must be within 45° for the SR-S4LWP and within 30° for the SR-S4SWP. 30° 45°... -
Page 7: Coverage Area
The line array speaker radiates a sound only within a limited range. Since sound is reduced in areas that are outside the range, take care that the listening area is sufficiently covered when installing the speaker. • Correct installation examples [SR-S4LWP x 2] [SR-S4SWP] [SR-S4LWP + SR-S4SWP] • Incorrect installation examples If the speaker is installed high above the floor facing horizontally or diagonally downward at a large angle, the listening area cannot be covered sufficiently. -
Page 8: Dimensional Diagram
6. DIMENSIONAL DIAGRAM 6.1. Line Array Speaker SR-S4LWP Unit: mm 100 50 [Front] [Side] [Rear] Blank panel (The optional MT-S0601 Matching Transformer can be installed inside.) Input panel Green (+) Black (–) Red (NC) White (NC) Vent hole (inside) 6.2. Line Array Speaker SR-S4SWP... -
Page 9: Single-Amplifier Drive And Bi-Amplifier Drive
The SR-S4 series speakers are factory-preset to be driven by a single amplifier, however this setting can be changed to a bi-amplifier drive system by changing the speaker's internal wiring. (See p. 13; Changing Single-Amplifier Drive to Bi-Amplifier Drive System.) • Single-amplifier drive Note: Use a digital processor as required. SR-S4LWP/S4SWP Woofers Passive network HIGH... -
Page 10: Changing To High Impedance
9. CHANGING TO HIGH IMPEDANCE The SR-S4 series speakers can be used for high-impedance applications with the installation of the optional MT-S0601 Matching Transformer. To install the MT-S0601 transformer, remove the blank panel located on the speaker's rear panel. For details regarding mounting procedures, refer to the instruction manual enclosed with the MT-S0601. -
Page 11: Joining Speakers
10. JOINING SPEAKERS Joining line array speakers configures a longer linear sound source, permitting richer low-frequency sound reproduction as well as transmission of higher sound output over a longer distance. To join speakers, use the optional SR-EP4WP Extension plate. [Joining Procedure] Step 1. -
Page 12: Attaching The Protection Pad To The Speaker Edge
11. ATTACHING THE PROTECTION PAD TO THE SPEAKER EDGE When installing the speaker at head height, attach the optional SR-RP4 Protection Pad to the speaker edges. CAUTION If people should bump their heads directly against the corners or edges of the enclosure, injuries could result. After removing the protective paper of the double-faced tape affixed to the optional SR-PP4 Protection Pad, apply a commercial rubber adhesive to the portion not covered by tape, then affix the pad to the speaker's edge. -
Page 13: Changing Single-Amplifier Drive To Bi-Amplifier Drive System
12. CHANGING SINGLE-AMPLIFIER DRIVE TO BI-AMPLIFIER DRIVE SYSTEM The single-amplifier drive system can be changed to a bi-amplifier drive system by changing the speaker's internal wiring after removing the input panel located at the back of the speaker. [How to change] Step 1. -
Page 14: Internal Wiring Diagram For The Bi-Amplifier Drive System
13. INTERNAL WIRING DIAGRAM FOR THE BI-AMPLIFIER DRIVE SYSTEM The diagram below is an internal wiring after the speaker's drive system is changed to a bi-amplifier system. Woofers Green LOW + Black LOW – HIGH + White HIGH – Speaker cord Tweeters 14. -
Page 15: Specifications
• Accessories Bi-amplifier rating label ........1 Bi-amplifier terminal label ........ 1 • Optional products Matching transformer: MT-S0601 Extension plate: SR-EP4WP Wall tilt bracket: SR-TB4WP Wall mounting bracket: SR-WB4WP (Applicable to the SR-S4LWP only) Protection pad: SR-PP4 Digital processor: DP-0206... -
Page 16: Extension Plate Sr-Ep4Wp (Optional)
15.3. Protection Pad SR-PP4 (optional) When the SR-S4LWP or SR-S4SWP speaker is installed so that its bottom edge is located at head height, people could bump their heads directly against the speaker and suffer injuries. Affixing this protection pad to the speaker's bottom surface helps reduce the impact and chance of injury.
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