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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.
OPERATING INSTRUCTIONS
(optional)
(optional)
SR-S4L
SR-S4L
SR-S4S
SR-EP4
SR-PP4
SR-S4S
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Table of Contents
Related Manuals for Toa SR-EP4
Summary of Contents for Toa SR-EP4
- Page 1 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. OPERATING INSTRUCTIONS (optional) (optional) SR-S4S SR-S4L SR-S4L SR-S4S SR-EP4 SR-PP4...
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Page 2: Table Of Contents
13.1. Single-Amplifier Drive (Factory-Setting) ... 14 13.2. Bi-Amplifier Drive ... 14 14. SPECIFICATIONS 14.1. Line Array Speaker SR-S4L, SR-S4S ... 15 14.2. Extension Plate SR-EP4 (optional) ... 16 14.3. Protection Pad SR-PP4 (optional) ... 16 ... 3 ... 5 ... 6 ... -
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 CAUTION 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. •...
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Page 5: General Description
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 speaker is of a linear design which is ideal for long distance sound transmission applications, while the SR-S4S features a curved line having a 10°... -
Page 6: Coverage Area
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] •... -
Page 7: Dimensional Diagram
5. DIMENSIONAL DIAGRAM 5.1. Line Array Speaker SR-S4L [Front] [Side] 5.2. Line Array Speaker SR-S4S [Front] [Side] 100 50 [Rear] 100 50 [Rear] Unit: mm Blank panel (The optional MT-S0601 Matching Transformer can be installed inside.) Input terminal panel Unit: mm Blank panel (The optional MT-S0601 Matching Transformer... -
Page 8: Single-Amplifier Drive And Bi-Amplifier Drive
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.) •... -
Page 9: Changing To High Impedance
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 enclosed with the MT-S0601. -
Page 10: Joining Speakers
Step 1. Remove the (M5 oval-head) screws on both sides of the speaker. The removed screws are no longer used. Step 2. Join 2 speakers using the SR-EP4 Extension plate. Fix the plate to the speaker using the hex head bolts supplied with the SR-EP4. Note The screws removed in Step 1 are not used. -
Page 11: Attaching The Protection Pad To The Speaker Edge
10. ATTACHING THE PROTECTION PAD TO THE SPEAKER EDGE WARNING 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. -
Page 12: Changing Single-Amplifier Drive To Bi-Amplifier Drive System
11. 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. -
Page 13: Internal Wiring Diagram For The Bi-Amplifier Drive System
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. Screw terminals Neutrik NL4MP connector LOW + LOW – 2 – HIGH + HIGH –... -
Page 14: Digital Processor Filtering
13. DIGITAL PROCESSOR FILTERING 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. TYPE Frequency HPF (12 dB) -
Page 15: Specifications
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 Extension plate: SR-EP4 Flying bracket: SR-FB4 Wall tilt bracket: SR-TB4 Wall mounting bracket: SR-WB4 (Applicable to the SR-S4L only) Floor stand:... -
Page 16: Extension Plate Sr-Ep4 (Optional)
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. Number of Speaker to be Jointed Finish Dimensions Weight Note: The design and specifications are subject to change without notice for improvement.