TOA SR-L1B User manual

Brand: TOA

Model: SR-L1B

Category: Loudspeakers

Type: User manual

This manual is also suitable for

SR-F1D

TOA SR-L1B

The TOA SR-L1B is a subwoofer system designed for mobile sound reinforcement applications. It features high power handling capability, high quality, and durable construction.

The SR-L1B's 38 cm woofer consists of a strong magnetic circuit employing a large 20 cm diameter magnet and a 72 mm diameter long voice coil. This combination permits ultra-linearity down to super-low frequencies while realizing high power handling capability.

The SR-L1B can be used on its own or in conjunction with the TOA SR-F1D speaker system. When used together, the SR-F1D and SR-L1B provide a full-range sound reinforcement system with excellent transient response and high power handling capability.

TOA SR-L1B

The TOA SR-L1B is a subwoofer system designed for mobile sound reinforcement applications. It features high power handling capability, high quality, and durable construction.

OPERATING INSTRUCTIONS

SPEAKER SYSTEM

SUBWOOFER SYSTEM

SR-F1D

SR-L1B

Thank you for purchasing TOA’s Speaker System.

Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

SR-F1D SR-L1B

1. SAFETY PRECAUTIONS ............................. 2

2. GENERAL DESCRIPTION ........................... 4

3. FEATURES ................................................... 4

INSTALLING THE SR-F1D ON THE SR-L1B

... 4

5. FLYING (SR-F1D ONLY) .............................. 5

6. SPEAKER STAND FOR SR-F1D ................ 6

7. INPUT CONNECTOR .................................... 7

8. CONNECTION DIAGRAMS ......................... 7

8.1. Single System

(SR-F1D) ........................... 7

8.2. Combination System (SR-F1D and SR-L1B)

.... 7

9. DIGITAL PROCESSOR SETTINGS ............. 8

9.1. Flat Phase Type ...................................... 8

9.2. Minimum Delay Type .............................. 9

10. CHARACTERISTIC DIAGRAMS ............. 10

10.1. SR-F1D + SR-L1B .............................. 10

10.2. SR-F1D ............................................... 11

11. DIMENSIONAL DIAGRAMS .................... 11

12. SPECIFICATIONS .................................... 12

TABLE OF CONTENTS

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.

Safety Symbol and Message Conventions

Safety symbols and messages described below are used in this manual to prevent bodily injury and property

damage which could result from mishandling. Before operating your product, read this manual rst and

understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.

Indicates a potentially hazardous situation which, if mishandled, could

result in death or serious personal injury.

Indicates a potentially hazardous situation which, if mishandled, could

resultinmoderateorminorpersonalinjury,and/orpropertydamage.

WARNING

CAUTION

When Installing the Unit

• Avoidinstallingormountingthespeakerinunstable

locations, such as on a rickety table or a slanted

surface. Doing so may result in the speaker falling

downandcausingpersonalinjuryand/orproperty

damage.

• Referallinstallationworktothedealerfromwhom

the speaker was purchased. Installation for ying

requires extensive technical knowledge and

experience. The speaker may fall off if incorrectly

installed, resulting in possible personal injury.

• FlyingPrecautions

Be sure to follow the instructions below. Otherwise,

the suspension wires or belts may be off or snap

and the speaker may fall off, causing personal

injury.

· Check to conrm that the suspension wires and

belts are strong enough to withstand the speaker

load.

· The 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

deformation, crack, and corrosion.

• Install the speaker only in a location that can

structurally support the weight of the speaker and

the mounting bracket. Doing otherwise may result

in the speaker falling down and causing personal

injuryand/orpropertydamage.

• Owing to the speaker’s size and weight, be sure

that at least two persons are available to install the

speaker. Failure to do so could result in personal

injury.

• Donotuseothermethodsthanspeciedtomount

the bracket. Extreme force is applied to the speaker

and the speaker could fall off, possibly resulting in

personal injuries.

• Tighten each nut and bolt securely. Ensure that

the bracket has no loose joints after installation

to prevent accidents that could result in personal

injury.

• Use the specied speaker stand in combination.

Doing otherwise may cause the speaker or

component to fall off, resulting in personal injury.

•Cautionswhenusingthespeakerstand

Be sure to carefully observe the following

instructions. Ignoring them could result in the

speaker system toppling over or falling down,

possibly resulting in personal injury.

· Open the stand legs to their full extension.

· Do not extend or fold the tripod while the speaker

is mounted.

· Install the stand on a flat, hard surface.

· Avoid placing the speaker in a doorway or other

high-traffic area where people may trip over the

equipment or cords.

· In outdoor installations, take such measures as

securing speakers with safety wire to prevent

them from being toppled over due to strong wind,

etc.

WARNING

When Installing the Unit

• When unpacking or moving the speaker, be sure

to handle it with two or more persons. Falling or

dropping the speaker may cause personal injury

and/orpropertydamage.

When the Unit is in Use

• Do not operate the speaker 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re.

• Do not stand or sit on, nor hang down from the

speaker as this may cause it to fall down or drop,

resultinginpersonalinjuryand/orpropertydamage.

• Havethespeakercheckedperiodicallybytheshop

from where it was purchased. Failure to do so may

result in corrosion or damage to the speaker that

could cause the speaker to fall, possibly causing

personal injury.

CAUTION

3. FEATURES

• The SR-F1D can reproduce both low and high frequencies (bi-amp operation), while the SR-L1B clearly

reproduces super-low frequencies. Both systems are used in conjunction with a digital processor.

• The SR-F1D reproduces low frequencies with excellent transient response thanks to its high-efciency

30 cm woofer with large 20 cm diameter magnet.

• TheSR-F1D'sdriveremploysatitaniumdiaphragmandfeatureshighsoundqualityandhighpowerhandling

capability. Its constant directivity horn (60° horizontal x 40° vertical) has a smoothed cross-sectional area and

providesauniformsoundeldandsmoothsoundquality.

• TheSR-L1B's38cmwooferconsistsofastrongmagneticcircuitemployingalarge20cmdiametermagnet

and a 72 mm diameter long voice coil. This combination permits ultra-linearity down to super-low frequencies

while realizing high power handling capability.

• The enclosure is constructed of high-strength Apitong plywood. Since the outside surface is covered in

polyurethane resin, the speaker also features high durability to stand up to rough handling when used on the

road.

• NeutrikNL4MPRinputconnectorsensurequickandaccuratesystemeldinstallations.

• The SR-F1D features ying hardware (ring/stud pan ttings) installed on its top and bottom. The bottom

surface is also equipped with built-in nuts for mounting on an optional stand.

• BecausethesidesoftheSR-F1D'senclosureareangledat15°,whenmultiplespeakersarearrangedside-

by-side, they can be oriented in a radial array, which helps suppress mutual interference at high frequencies.

• When one SR-F1D is installed

on the SR-L1B

• When two SR-F1Ds are

installed on the SR-L1B

SR-F1D

SR-L1B

SR-F1D

SR-L1B

Align with the front surface

of the SR-L1B.

4. INSTALLING THE SR-F1D ON THE SR-L1B

2. GENERAL DESCRIPTION

Developedforthemobilesoundreinforcementapplications,TOA'sSR-F1DandSR-L1Bmakeupaspeaker

and subwoofer system which features high power handling capability, high quality and durable construction.

5. FLYING (SR-F1D ONLY)

WARNING

• Besuretoreferyingconstructionworktothedealerfromwhomthespeakerwaspurchased.

• Avoidyingmethodsotherthanthosedescribedinthissection.

Otherwise, the suspension wires or belts may be off or snap and the speaker may fall off, causing personal

injury.

Shownbelowarethegeneralyingmethods:

SR-F1D's flying hardware

Do not suspend as illustrated below:

• Flying through only one

suspension point on the

top.

• Vertical suspension of 4 or

more speakers.

• Use of a single wire that

has formed a loop

• Flying through handles. • Flying using the nuts on

the bottom surface

• Usethepanttingringsattachedtothespeaker’stopand/orbottom.

• Provideatleasttwosuspensionpointsoneachspeaker’stop.

• Themaximumnumberofspeakersthatcanbesuspendedvertically

is three.

6. SPEAKER STAND FOR SR-F1D

ThespeakerstandmanufacturedbyKöning&MeyerGmbH(K&M)ofGermanyismadeavailableforusewith

TOA'sSR-F1Dspeaker.

The speaker stand consists of two main sections, which are sold separately.

Stand: Model213

Standbracket:Model195/8

Step 1. Extendthestand'slegs.

Loosenthetripodxingscrewandopenthetripod

legs outward so that the stays become level.

Then,tightenthexingscrew.

Step 4. Adjust the stand height.

4-1. Loosentheheightxingscrew.

4-2. Loosenthehandlexingscrewandraisethehandle,

then retighten the handle screw.

4-3. While holding down the lock button, adjust the

speaker's height by turning the height adjustment

handle. (Clockwise rotation raises the speaker.)

Note

You cannot rotate the handle unless the lock button

is continuously pressed. To complete the height

adjustment, ensure that the shaft is locked when

the lock button is released. (This can be checked by

rotating the handle slightly.)

Step 5. Retightentheheightxingscrew.

Note

Leave the handle folded back except when adjusting the height.

Step 2. Attach the stand bracket to the speaker using the

speaker mounting screws and plain washers.

Step 3. Loosen the bracket xing screw, then place the

speaker on the stand.

Aftersettingthespeaker'sorientation,retightenthe

bracketxingscrew.

Fully extend the stand’s tripod legs and place

the stand on a stable surface. If the tripod is not

sufficiently extended, the stand could topple over,

possibly resulting in personal injury.

WARNING

Owing to the speaker’s size and weight, be sure

that at least two persons are available to install the

speaker. Failure to do so could result in personal

injury.

WARNING

Height fixing screw

Tripod fixing screw

Tripod leg

Stay

Lock botton

Handle fixing screw

Height adjustment

handle

Plain washer (for M8)*

Speaker mounting screw

M8 x 20*

Stand 213

SR-F1D

Stand bracket

195/8

4, 5

Bracket fixing

screw

* Prepare separately.

Plain washer (for M8): 2 pcs

Speaker mounting screw M8 x 20: 2 pcs

7. INPUT CONNECTOR

• EachspeakeremployestheNEUTRICKNL4MPRconnectorforitsinput.Thematedcableconnectoristhe

NEUTRICKNL4FC.

• PinsoftheNEUTRIKconnectorareconnectedasshowninthetablebelow.

* The "left" and the "right" are the positions of

woofer units as viewed from the front.

8. CONNECTION DIAGRAMS

8.1. Single System (SR-F1D)

Mixer/Preamplifier

HIGH

LOW

SR-F1D

Digital processor

Power amplifier

HIGH

LOW

SUB-LOW

SR-F1D

SR-L1B

Mixer/Preamplifier

Digital processor

Power amplifier

8.2. Combination System (SR-F1D and SR-L1B)

Right

SR-L1B

Left

Pin number SR-F1D SR- L1B

LOW

Left*

–

LOW

–

Left*

–

HIGH

Right*

–

HIGH

–

Right*

–

9. DIGITAL PROCESSOR SETTINGS

Set the following parameters for the digital processor. Perform settings for either the "flat phase type" as

mentioned below or "minimum delay type" (p. 9) depending on the application.

Channel

Gain

(dB)

Polarity

X-over Filter

Delay

(ms)

Comp.*

HPF/

LPF

Type

Freq.

(Hz)

Type

Freq.

(Hz)

Gain

(dB)

Pre-stage

PEQ 1.25 k –5.0 1.414

PEQ 1.80 k –3.0 4.318

PEQ 2.90 k –0.5 4.318

PEQ 3.75 k –4.0 4.318

PEQ 5.40 k –4.0 4.318

SR-L1B 8.5

INVERSE

LPF 6 dB 29

0.667

Thresh (dB) 13

LPF(6 dB) 330 Ratio 4:1

Low Shelving 40 2.5

Sync off

Attack (ms)

Release (ms) 200

SR-F1D

LOW

NORMAL

HPF 12 dB Butterworth 20

0.5

Thresh (dB) 10

LPF 24 dB Bessel 700 PEQ 95 –1.5 4.318 Ratio 2:1

PEQ 462 –1.5 4.318 Sync off

PEQ 1.80 k –12.0 9.889

Attack (ms)

PEQ 2.00 k –2.0 4.608 Release (ms) 100

SR-F1D

HIGH

–5.5

INVERSE

HPF 12 dB Butterworth 900

Thresh (dB) 15

PEQ 13.6 k 7.5 1.414 Ratio 4:1

All Pass 2.94 k

1.414 Sync off

All Pass 3.87 k

1.119

Attack (ms)

All Pass 5.00 k

2.871 Release (ms) 100

All Pass 6.90 k

4.608

All Pass 8.40 k 4.318

All Pass 9.95 k

5.764

All Pass 11.6 k

7.6 8 9

All Pass 13.1 k

9.889

All Pass 14.6 k

6.919

9.1. Flat Phase Type

• Phasecharacteristicsforthedriver'sbandarenearlyattenedusingall-passlters(APF).

The digital processor'scompressorhasbeensetbasedonapoweramplifiergainof"20dB."

Set the input volume control so that the power amplifier gain is "20 dB."

•Intheaboveparametersetting,thepolaritycheckerindicationforeachfrequencybandisasfollows:

Polarity

SR- L1B Negative

SR-F1DLOW Positive

SR-F1DHIGH Positive

9.2. Minimum Delay Type

• DesignedtoprovideaminimumsignaldelaywithoutusingadelayfunctionorAPFforeachfrequencyband

The digital processor'scompressorhasbeensetbasedonapoweramplifiergainof"20dB."

Set the input volume control so that the power amplifier gain is "20 dB."

•Intheaboveparametersetting,thepolaritycheckerindicationforeachfrequencybandisasfollows:

Channel

Gain

(dB)

Polarity

X-over Filter

Delay

(ms)

Comp.*

HPF/

LPF

Type

Freq.

(Hz)

Type

Freq.

(Hz)

Gain

(dB)

SR-L1B 8.5

INVERSE

LPF 6 dB 30

Thresh (dB) 13

LPF(6 dB) 330 Ratio 4:1

Low Shelving 40 2.5

Sync off

Attack (ms) 20

Release (ms) 200

SR-F1D

LOW

NORMAL

HPF 12 dB Butterworth 20

Thresh (dB) 10

LPF 24 dB Bessel 702 Ratio 2:1

PEQ 131 –2.0 4.318 Sync off

PEQ 275 –2.0 4.318 Attack (ms) 10

PEQ 380 –3.0 8.615 Release (ms) 100

PEQ 1.80 k –12.0 9.889

PEQ 2.00 k –2.0 4.608

SR-F1D

HIGH

–5.5

NORMAL

HPF 12 dB Butterworth 900

Thresh (dB) 15

HighShelving 16.0 k 5.0 Ratio 4:1

PEQ 1.00 k –2.0 4.318 Sync off

PEQ 1.40 k –5.0 1.414 Attack (ms) 10

PEQ 2.90 k –1.0 4.318 Release (ms) 100

PEQ 3.75 k –4.0 4.318

PEQ 5.30 k –4.0 4.318

PEQ 13.2 k 7.5 2.016

PEQ 15.0 k 3.0 4.318

Polarity

SR- L1B Negative

SR-F1DLOW Positive

SR-F1DHIGH Negative

10. CHARACTERISTIC DIAGRAMS

Note: Referencedto200HzintheSR-F1D'sLOWband,1W1m

10.1. SR-F1D + SR-L1B

(When recommended parameters are applied by the digital processor)

10.1.1. Flat phase type

10.1.2. Minimum delay type

110

[dB]

100

20 50 100 500 1 k 5 k 10 k 20 k

[Hz]

Frequency

SPL

SR-F1D + SR-L1B

SR-L1B

SR-F1D LOW

SR-F1D HIGH

Frequency Characteristics

110

[dB]

100

20 50 100 500 1 k 5 k 10 k 20 k

[Hz]

SR-F1D + SR-L1B

SR-L1B

SR-F1D LOW

SR-F1D HIGH

Frequency

SPL

Frequency Characteristics

[deg]

180

–90

–180

20 50 100 500 1 k 5 k 10 k 20 k

[Hz]

Frequency

Phase

Phase Characteristics

[deg]

180

–90

–180

20 50 100 500

Frequency

1 k 5 k 10 k 20 k

[Hz]

Phase

Phase Characteristics

–10

–20

–30

–40

120

150

180

210

240

270

300

330

–10

–20

–30

–40

120

150

180

210

240

270

300

330

HornWoofer

1,000 Hz

2,000 Hz

4,000 Hz

8,000 Hz

10.2. SR-F1D

(When recommended parameters are applied by the digital processor)

[Polar pattern]

Horizontal Vertical

11. DIMENSIONAL DIAGRAMS

2-M8 Nut (For mounting to an optional speaker stand)

120

221

224

390

619

830 607

631

364

[SR-F1D] [SR-L1B]

Unit:mm

Traceability Information for Europe

Manufacturer:

TOA Corporation

7-2-1,Minatojima-Nakamachi,Chuo-ku,Kobe,Hyogo,

Japan

Authorizedrepresentative:

TOAElectronicsEuropeGmbH

Suederstrasse282,20537Hamburg,

Germany

URL:http://www.toa.jp/

133-01-00158-00

12. SPECIFICATIONS

Enclosure Bass-reextype

PowerHandling

Capacity

Continuouspinknoise: 120W(Lowfrequency)

,80W(Highfrequency)

Continuousprogram: 360W(Lowfrequency),240W(Highfrequency)

Rated Impedance Lowfrequency:8Ω,Highfrequency:16Ω

Sensitivity Lowfrequency:98dB(1W,1m),Highfrequency:110dB(1W,1m)

Frequency Response 70Hz–20kHz

Crossover Frequency 1kHz

Speaker Component Lowfrequency: One30cmdia.cone-type

Highfrequency:CDhorn(60°horizontalby40°vertical)pluscompressiondriver

Input Connector NEUTRIKNL4MPR

Finish Enclosure:Urethanecoating,gray

Frontgrill: Black,paint

Dimensions 390 (w) x 619 (h) x 364 (d) mm

Weight 38 kg

[SR-F1D]

Bandlimited(50Hz–1kHz)pinknoisesignal(24hrs.)

Bandlimited(1–20kHz)pinknoisesignal(24hrs.)

WhenrecommendedparametersareappliedbytheoptionaldigitalspeakerprocessorDP-SP3

Bandlimited(40Hz–1kHz)pinknoisesignal(24hrs.)

Note: The design and specifications are subject to change without notice for improvement.

Enclosure Bass-reextype

PowerHandling

Capacity

Continuouspinknoise: 150Wx2*

Continuousprogram: 450Wx2

Rated Impedance 8Ωx2

Sensitivity 96 dB (1 m, 1 w)

Frequency Response 35Hz–1kHz

Crossover Frequency 125Hz

Speaker Component 38 cm cone-type x 2

Input Connector NEUTRIKNL4MPR

Finish Enclosure:Urethanecoating,gray

Frontgrill: Steelplate,paint,black

Dimensions 830 (w) x 631 (h) x 607 (d) mm

Weight 77 kg

[SR-L1B]

TOA SR-L1B User manual

Brand: TOA

Model: SR-L1B

Category: Loudspeakers

Type: User manual

This manual is also suitable for

SR-F1D

TOA SR-L1B

The TOA SR-L1B is a subwoofer system designed for mobile sound reinforcement applications. It features high power handling capability, high quality, and durable construction.

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TOA SR-L1B User manual

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TOA SR-L1B User manual

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