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Mixer/preamplifi er

Digital processor

Power amplifi er

Passive

network

LOW

HIGH

Mixer/preamplifi er

Digital processor

LOW

HIGH

Power amplifi er

LOW

HIGH

Green
Black
Red
White

Speaker cord

Passive

network

Tweeters

7. SINGLE-AMPLIFIER DRIVE AND BI-AMPLIFIER DRIVE

The SR-S4 series speakers are factory-preset to be driven by a single amplifi er, however this setting can be

changed to a bi-amplifi er drive system by changing the speaker‘s internal wiring. (See p. 13; Changing Sing-

le-Amplifi er Drive to Bi-Amplifi er Drive System.)

• Single-ampliﬁ er drive

Note:

Use a digital processor as required.

• Bi-ampliﬁ er drive

SR-S4LEB-Q/S4SEB-Q

8. INTERNAL WIRING DIAGRAM

When shipped from the factory, the speaker is internally connected as shown below.

INPUT +
INPUT –

Woofers

Tweeters

Woofers

Tweeters

Woofers

x 4

Содержание SR-S4LEB-Q

Страница 1: ...cts Please carefully follow the instructions in this manual to ensure long trouble free use of your equipment 1488 TOA Electronics Europe GmbH Suederstrasse 282 20537 Hamburg Germany 1488 CPR 0570 W 16 DoP16 001 EN 54 24 2008 Fire detection and fire alarm systems Part 24 components of voice alarm systems Loudspeakers SR S4LEB Q SR S4SEB Q Type A Technical data see document SR S4 Instruction Manual...

Страница 2: ... BI AMPLIFIER DRIVE 9 8 INTERNAL WIRING DIAGRAM 9 9 CHANGING TO HIGH IMPEDANCE 10 10 JOINING SPEAKERS 11 11 CHANGING SINGLE AMPLIFIER DRIVE TO BI AMPLIFIER DRIVE SYSTEM 12 12 INTERNAL WIRING DIAGRAM FOR THE BI AMPLIFIER DRIVE SYSTEM 13 13 DIGITAL PROCESSOR FILTERING 13 1 Single Amplifier Drive Factory Setting 13 13 2 Bi Amplifier Drive 13 14 SPECIFICATIONS 14 1 Line Array Speaker SR S4LEB Q SR S4S...

Страница 3: ... connectors of the suspension wires and belts must be securely linked with those of the speaker All parts and components such as enclosures metal pieces and screws must be free from any deformati on crack and corrosion Be sure to use screws supplied with the optional flying hardware when installing the speaker using such hardware Install the unit only in a location that can structurally support th...

Страница 4: ...hen the Unit is in Use Do not operate the unit for an extended period of time with the sound distorting This is an indication of a malfunction which in turn can cause heat to generate and result in a fire Do not stand or sit on nor hang down from the unit as this may cause it to fall down or drop resulting in personal injury and or property damage Have the unit checked periodically by the shop fro...

Страница 5: ...rs in its ability to project sound long distances This realizes less difference in sound volume between areas close and far from the speaker for a more uniform sound field Since the speaker s vertical sound dispersion is suppressed sound is only directed at the target area The speaker s construction is not influenced by sound reflection from ceiling or floor surfaces and can provide clear sounds e...

Страница 6: ...ON The SR S4LEB Q and SR S4SEB Q 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 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...

Страница 7: ...e listening area is sufficiently covered when installing the speaker Correct installation examples SR S4LEB Q x 2 SR S4LEB Q SR S4SEB Q SR S4SEB Q 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 SR S4LEB Q SR S4SEB Q 7 ...

Страница 8: ...te NC 6 0 3 0 Green Black 8 6 DIMENSIONAL DIAGRAM 6 1 Line Array Speaker SR S4LEB Q Front Side Vent hole inside 6 2 Line Array Speaker SR S4SEB Q Front Rear Rear Unit mm Blank panel The optional MT S0601 Matching Transformer can be installed inside Input panel Unit mm Blank panel The optional MT S0601 Matching Transformer can be installed inside Input panel 10 ...

Страница 9: ...eset 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 Sing le Amplifier Drive to Bi Amplifier Drive System Single ampliﬁer drive Note Use a digital processor as required Bi ampliﬁer drive SR S4LEB Q S4SEB Q SR S4LEB Q S4SEB Q 8 INTERNAL WIRING DIAGRAM When shipped from the factory the s...

Страница 10: ...r s rear panel For details regarding mounting procedures refer to the instruc tion manual enclosed with the MT S0601 Note The speaker cannot be used in combination with the matching transformer when driven by a bi amplifier SR S4LEB Q S4SEB Q Rear panel To change the tap refer to the instruction manual enclosed with the MT S0601 The diagram below is an internal wiring when the matching transformer...

Страница 11: ...ing 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 In this event orient the bracket s waterproof pad side toward the speaker s side Screws to be removed in Step 1 8 screws on both sides Extension plate SR EP4WP Machine screw M5 x 25 Washer for M5 fo...

Страница 12: ...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 Unplug 2 pairs of connected connectors and reconnect them so that connections are made between labeled connectors and between unlabeled co...

Страница 13: ...n Recommended setting parameters are as follows 13 2 Bi Ampliﬁer Drive Digital processing is required after the drive system has been changed to bi amplifier operation By inputting an optimum signal to the woofer and tweeter using the digital processor a high sound quality output can be realized Recommended setting parameters are as follows 13 TYPE Frequency Gain Q HPF 12 dB 60 Hz 1 226 PEQ 16 kHz...

Страница 14: ... 60 W 70 V 25 Ohm 200 W 120 Ohm 120 W 83 Ohm 60 W 167 Ohm 30 W Sensitivity 82 dB 1 W 4 m 100 Hz 10 kHz pink noise half field according to EN 54 24 80 dB 1 W 4 m 100 Hz 10 kHz pink noise half field according to EN 54 24 Maximum S P L 100 dB 60 W 4 m 100 Hz 10 kHz pink noise half field according to EN 54 24 98 dB 60 W 4 m 100 Hz 10 kHz pink noise half field according to EN 54 24 Frequency Response 7...

Страница 15: ...ional The SR EP4WP is used to join multiple SR S4LEB Q or SR S4SEB Q speakers One complete set consists of 2 brackets 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 833TEERZ1611 Number of Speaker to be Jointed Max 3 when using 2 sets of SR EP4WP Finish Stainle...

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