TOA Electronics SR-S4S manual

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Table of contents for the manual

  • Page 1

    OPERA TING INSTRUCTIONS LINE ARRA Y SPEAKERS EXTENSION PLA TE (optional) PROTECTION P AD (optional) SR-S4L SR-S4S SR-EP4 SR-PP4 SR-S4L SR-S4S 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.[...]

  • Page 2

    2 T ABLE OF CONTENTS 1. SAFETY PRECAUTIONS ............................................................................................ 3 2. GENERAL DESCRIPTION .......................................................................................... 5 3. FEA TURES ...................................................................................[...]

  • Page 3

    3 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 refer[...]

  • Page 4

    4 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 [...]

  • Page 5

    5 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. The SR-S4L[...]

  • Page 6

    6 4. 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-S4L x 2] [SR-S4L + SR-S4S] [SR-S4S] [SR-S4L] [SR-S4S] • Incorrect installat[...]

  • Page 7

    7 5.1. Line Array Speaker SR-S4L 5.2. Line Array Speaker SR-S4S 5. DIMENSIONAL DIAGRAM [Front] [Rear] [Side] Blank panel Input terminal panel (The optional MT-S0601 Matching Transformer can be installed inside.) 160 255 100 50 30 60 60 895 60 60 60 50 100 60 30 [Front] [Rear] [Side] 160 255 303 100 50 100 50 30 60 60 60 60 60 30 892 10 ° 87 ゜ Bl[...]

  • Page 8

    8 6. 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. 12; Changing Single-Amplifier Drive to Bi-Amplifier Drive System.) • Single-amplifier drive N[...]

  • Page 9

    9 8. 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 en[...]

  • Page 10

    10 9. 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-EP4 Extension Plate. [Joining procedure] Step 1. Remove the (M5 oval-head) screws on both sides of[...]

  • Page 11

    11 10. A TT ACHING THE PROTECTION P AD T O THE SPEAKER EDGE Remove the protective paper of the double-faced tape affixed to the SR-PP4 Protection Pad (optional) and attach the pad to the speaker edge as shown in the figure. When installing the speaker at head height, attach the optional SR-RP4 Protection Pad to the speaker edges. If people should b[...]

  • Page 12

    12 1 1. 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 terminal panel located at the back of the speaker. [How to change] Step 1. Remove the 4 terminal panel mounting screws to remove [...]

  • Page 13

    13 12. 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. LOW + HIGH + LOW – HIGH – 2+ 1+ 2 – 1 – 2+ 1+ 2 – 1 – x 4 x 4 Screw terminals Neutrik NL4MP connector Input terminal panel Woofers Tweeters • Since the Neut[...]

  • Page 14

    14 13. DIGIT AL PROCESSOR FIL TERING 13.1. Single-Amplifier Drive (Factory-Setting) Although the speaker can be operated without a digital processor, it is recommended that the speaker be used in conjunction with a digital processor for better sound reproduction. Recommended setting parameters are as follows. 13.2. Bi-Amplifier Drive Digital proces[...]

  • Page 15

    15 14. SPECIFICA TIONS 14.1. Line Array Speaker SR-S4L, SR-S4S Note: The design and specifications are subject to change without notice for improvement. • Accessories Bi-amplifier rating label ................................... 1 Bi-amplifier terminal label ................................ 1 • Optional products Matching transformer: MT-S0601 E[...]

  • Page 16

    Printed in Japan 133-05-385-40 14.2. Extension Plate SR-EP4 (optional) The SR-EP4 is used to join multiple SR-S4L or SR-S4S speakers. One complete set consists of 2 brackets. 14.3. Protection Pad SR-PP4 (optional) When the SR-S4L or SR-S4S speaker is installed so that its bottom edge is located at head height, people could bump their heads directly[...]