OPERATING INSTRUCTIONS LINE ARRAY SPEAKERS SR-S4LWP SR-S4SWP EXTENSION PLATE (optional) SR-EP4WP PROTECTION PAD (optional) SR-PP4 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.
TABLE OF CONTENTS 1. SAFETY PRECAUTIONS ............................................................................................ 3 2. GENERAL DESCRIPTION .......................................................................................... 5 3. FEATURES ...................................................................................................................... 5 4. INSTALLATION PRECAUTION ................................................................................. 6 5.
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. • After reading, keep this manual handy for future reference.
CAUTION Indicates a potentially hazardous situation which, if mishandled, could 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. • Avoid touching the unit's sharp metal edge to prevent injury. • When installing the speaker at head height, attach the optional SR-PP4 Protection Pad to the bottom of the speaker.
2. GENERAL DESCRIPTION Featuring slim construction, the SR-S4 series are 2-way line array speakers containing 32 speaker elements. The sound source speaker elements are vertically arranged in close proximity to each other, and form a continuous linear sound source, achieving uniform sound pressure with less attenuation due to distance.
4. INSTALLATION PRECAUTION CAUTION When permanently installing the speaker outdoors, inspect it periodically. Damage or corrosion of the speaker or mounting hardware could cause the speaker to fall, possibly resulting in personal injury. • The SR-S4LWP and SR-S4SWP speakers feature water protection construction (IPX4), however it is recommended that they be installed under roofs, eaves, or in other locations not directly exposed to rain or snow.
5. 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.
6. DIMENSIONAL DIAGRAM 6.1. Line Array Speaker SR-S4LWP Unit: mm 160 100 50 [Side] [Rear] 60 [Front] 30 255 Blank panel (The optional MT-S0601 Matching Transformer can be installed inside.) 895 60 60 60 60 Input panel 100 50 Vent hole (inside) 30 60 Green (+) Black (–) Red (NC) White (NC) 6.2.
7. 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.
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. SR-S4LWP/S4SWP Rear panel 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. Note The speaker cannot be used in combination with the matching transformer when driven by a bi-amplifier.
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. Remove the screws and washers (for waterproof) on both sides of the speaker. Step 2. Join the 2 speakers using the SR-EP4WP Extension plate and the screws and washers removed in Step 1.
11. ATTACHING THE PROTECTION PAD TO THE SPEAKER EDGE CAUTION When installing the speaker at head height, attach the optional SR-RP4 Protection Pad to the speaker edges. 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.
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. Remove the 4 Input panel mounting screws to remove the input panel. Step 2. Carefully pull out the short length of wiring connected to the back of the input panel. Step 3.
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 – Red HIGH + White HIGH – x4 Speaker cord Tweeters x4 14. DIGITAL PROCESSOR FILTERING 14.1.
. SPECIFICATIONS 15.1. Line Array Speaker SR-S4LWP, SR-S4SWP Model No.
15.2. Extension Plate SR-EP4WP (optional) The SR-EP4WP is used to join multiple SR-S4LWP or SR-S4SWP speakers. One complete set consists of 2 brackets. Number of Speaker to be Jointed Finish Dimensions Weight Max. 3 (when using 2 sets of SR-EP4WP) Stainless steel (SUS304) 140 (w) x 220 (h) x 4 (t) mm 900 g Notes • The fixing screws are not supplied with the unit. Use the attached screws on both sides of speaker. • The design and specifications are subject to change without notice for improvement. 15.3.
