RL18S SPECS Rev A

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RL18S Specifications
18 INCH SELF-POWERED SUBWOOFER
See NOTES TABULAR DATA for details

Configuration
Subsystem
		Transducer		Loading
VLF 1x 18 in, 4 in voice coil		 Vented		
Operating Mode
		Amplifier Channels		Signal Processing
Single amp VLF		 DSP w/DynO™

Acoustical Performance
Operating Range
		 28 Hz to 160 Hz
Nominal Beamwidth
		 Horizontal 360°		 Vertical 360°
Calculated Axial Output Limit (SPL)

Features

• Custom-designed transducers and porting, signature EAW Focusing™
and DynO™ dynamic optimization processing
• 1,000 watts of Class-D Power Factor Corrected amplification
• Cardioid pattern can be generated in seconds with two
button presses
• LED mute function, robust PowerCON® inlet and loop connectors
• Integral wooden handles, rugged grille and RoadCoat™ enclosure,
pole cup, hyper-black front EAW logo

		Average			Peak
(whole space) 121 dB		 127 dB
(half space) 127 dB		 133 dB

Electrical Performance
Input

Type
Max Input Level
Loop
Type

Electronically balanced XLRF
22dBu
Electronically balanced XLRM

Applications

Amplifier		VLF			
Type Class D
Maximum Output 1000 W @ 8 ohm
Driver Protection Integral DSP limiting

Description

AC Mains (nominal)
Connector Neutrik PowerCON®
Input 100 V to 240 V
Frequency 50 Hz to 60 Hz

Concerts, Corporate AV, Portable, Live Clubs, Concert Halls, Theaters,
Auditoriums, Houses of Worship
From corporate events to festivals, every aspect of Redline has been
targeted at making life easier for the live sound professional. From
transducers and electronics to enclosure design and fitments, Redline is
built to live in the working world of demanding clients, tight schedules
and even tighter budgets.
The RL18S includes a complete on-board 1,000-watt electronics package
mated to a highly-customized precision transducer engineered to meet
the specific demands of the Redline family. In addition to signature EAW
acoustical design, DynO™ algorithms optimize the power transfer from
amplifiers to transducers for improved headroom and integrity of sound
at maximum output. Push-button cardioid functionality (using two or
more RL18S subwoofers) keeps low-frequency energy off the stage and
on the audience, and a rear-panel LED mute keeps Redline invisible in
aesthetically-sensitive situations.
The RL18S enclosure incorporates EAW’s signature SB rear angle to
minimize input panel visibility in cardioid mode, integral road gloveready wood handles and sleek but strong sculpted grilles on RoadCoat™
enclosures.

Power Consumption
Idle 21 W
Peak Draw 250 W
Indicators (LED)
Amplifier Status
Signal Present
Limiter Active
Clip
Voicing Mode

Green (Normal), Red (Fault)
Green
Yellow
Red
3 x Yellow

Voicing Control
Mode

Normal / Cardioid Front / Cardioid Back

Weight
		

83 lbs/37 kg		 Shipping: 89 lbs/40 kg

Ordering Data
Description				Part Number
EAW RL18S Self-powered subwoofer		 2045322-90
RL18S Caster Pallet			 2046839-90

Six year warranty on enclosure. Two year warranty on electronics.

Eastern Acoustic Works | One Main Street | Whitinsville, MA 01588 USA | tel 800 992 5013 / +1 508 234 6158 | fax 508 234 8251 | www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice.

Part Number: RD0886 Rev A01

AUG2015

EAW products are continually improved. All specifications are therefore subject to change without notice.

A

B

C

FRONT

TOP
19.75
[501.6]

33.00
[838.2]

2X, 14.28
[362.8]

2X, 18.39
[467.0]

1

BOTTOM

2X, 9.36
[237.7]

4X
RUNNERS

2

TOP HAT

GRILLE REMOVED FOR CLARITY

19.91
[505.6]

18.50
[469.9]

24.84
[631.0]

SIDE

A

24.66
[626.3]

VIEW A-A

3

A

60

THE INFORMATION CONTAINED
HEREIN IS PROPRIETARY AND
CONFIDENTIAL PROPERTY OF
LOUD TECHNOLOGIES, INC.
ALL RIGHTS RESERVED

THIRD ANGLE PROJECTION

3

DIMENSIONS ACROSS CENTERLINES
TO BE SYMMETRICAL

TSC = THEORETICAL SHARP CORNER

(X.XX) = REF DIMS
NO TOLERANCE IMPLIED

TOLERANCE IN INCHES
LINEAR ± 0.13 in / ± 3.3 mm
ANGLES ± 1°

UNLESS OTHERWISE SPECIFIED:
ALL DIMENSIONS ARE IN INCHES
DUAL [MM] DIMENSIONS
FOR REF ONLY

4
A

DATE

www.eaw.com

6/23/15

SHEET 1 OF 1

PRO ENGINEER

A

REVISION:

0.040

SCALE:

A

B

C

Enclosure

Material Exterior-grade hardwood plywood
Finish Weather-resistant textured RoadCoat™
Grille Pre-treated, powder-coated perforated steel
NOTE: This drawing has been reduced. Do not scale.

Part Number: RD0886 Rev A01

2045324-CD-A_DWG_CUST_RDLN18

4

2045324-CD

DRAWING NUMBER:

A

DWG CUSTOMER RL18S
[MECHANICAL SPECIFICATION]

TITLE:

BACK

RL18S

ECOWH10777

REV CHANGE NUMBER

5.62
[142.8]
4X
HANDLES

POWER
AMPLIFIER

DIMENSIONS APPLY TO BOTH SIDES

4X, 5.24
[133.1]
5X, 5.47
[139.0]
9.41
[238.9]

2
1
NOTES:
1. SYMBOL
INDICATES CENTER OF BALANCE.
2. WEIGHT APPROX. 83.0 lb[37kg].
3. SHIPPING WEIGHT APPROX. 89.0lb[40kg]

RL18S Specifications

Eastern Acoustic Works | One Main Street | Whitinsville, MA 01588 USA | tel 800 992 5013 / +1 508 234 6158 | fax 508 234 8251 | www.eaw.com

AUG2015

RL18S Specifications
Performance Data

See NOTES GRAPHIC DATA for details

Frequency Response: Processed
LF = green
10
0

SPL (dB)

-10
-20
-30
-40
-50

10

100

1000

20000

Frequency (Hz)

Eastern Acoustic Works | One Main Street | Whitinsville, MA 01588 USA | tel 800 992 5013 / +1 508 234 6158 | fax 508 234 8251 | www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice.

Part Number: RD0886 Rev A01

AUG2015

RL18S Specifications
Single-module Horizontal Polar Data
See NOTES GRAPHIC DATA for details

90˚

90˚
135˚

135˚

45˚

180˚

0˚

-135˚

25Hz
31.5Hz
40Hz
50Hz

45˚

180˚

-135˚

-45˚

0˚

63Hz
80Hz
100Hz
125Hz

0˚

63Hz
80Hz
100Hz
125Hz

-45˚
-90˚

-90˚

Single-module Vertical Polar Data
See NOTES GRAPHIC DATA for details

90˚

90˚
135˚

135˚

45˚

180˚

0˚

-135˚

-45˚

25Hz
31.5Hz
40Hz
50Hz

45˚

180˚

-135˚

-90˚

-45˚
-90˚

Eastern Acoustic Works | One Main Street | Whitinsville, MA 01588 USA | tel 800 992 5013 / +1 508 234 6158 | fax 508 234 8251 | www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice.

Part Number: RD0886 Rev A01

AUG2015

RL18S Specifications
Two-module Cardioid Horizontal Polar Data
See NOTES GRAPHIC DATA for details

90˚

90˚
135˚

135˚

45˚

180˚

0˚

-135˚

25Hz
31.5Hz
40Hz
50Hz

45˚

180˚

-135˚

-45˚

0˚

63Hz
80Hz
100Hz
125Hz

0˚

63Hz
80Hz
100Hz
125Hz

-45˚
-90˚

-90˚

Two-module Cardioid Vertical Polar Data
See NOTES GRAPHIC DATA for details

90˚

90˚
135˚

135˚

45˚

180˚

0˚

-135˚

-45˚

25Hz
31.5Hz
40Hz
50Hz

45˚

180˚

-135˚

-90˚

-45˚
-90˚

Eastern Acoustic Works | One Main Street | Whitinsville, MA 01588 USA | tel 800 992 5013 / +1 508 234 6158 | fax 508 234 8251 | www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice.

Part Number: RD0886 Rev A01

AUG2015

RL18S Specifications
Input Panel

Signal Diagram
1-Way, Single-Amp (LF)

INPUT A/D

Legend

HPF
LPF
LF/MF/HF
AMP
XVR
EAW Focusing
EAW DynO

LPF
EQ
D/A
DYNO
CARDIOID

AMP

LF

High Pass Filter for crossover –or– Recommended High Pass Filter
Low Pass Filter for crossover
Low Frequency / Mid Frequency / High Frequency
User Supplied Power Amplifier –or– Integral Amplifier for NT products
Passive LPFs, HPFs, and EQ integral to the loudspeaker
Digital Signal Processor capable of implementing EAW Focusing
Digital Signal Processor capable of implementing EAW DynO processing

Notes
TABULAR DATA
1. Measurement/Data Processing Systems: Primary – FChart: proprietary EAW software; Secondary – Brüel & Kjær 2012.
2. Microphone Systems: Earthworks M30; Brüel & Kjær 4133
3. Measurements: Dual channel FFT; length: 32 768 samples; sample rate: 48 kHz; logarithmic sine wave sweep.
4. Measurement System Qualification (includes all uncertainties): SPL: accuracy +/-0.2 dB @ 1 kHz, precision +/-0.5 dB 20 Hz to 20 kHz, resolution 0.05 dB; Frequency: accuracy +/-1 %, precision +/-0.1 Hz, resolution the 		
		 larger of 1.5 Hz or 1/48 octave; Time: accuracy +/-10.4 μs, precision +/-0.5 μs, resolution 10.4 μs; Angular: accuracy +/-1°, precision +/-0.5°, resolution 0.5°.
5. Environment: Measurements time-windowed and processed to eliminate room effects, approximating an anechoic environment. Data processed as anechoic or fractional space, as noted.
6. Measurement Distance: 7.46 m. Acoustic responses represent complex summation of the subsystems at 20 m. SPL is referenced to other distances using the Inverse Square Law.
7. Enclosure Orientation: For beamwidth and polar specifications, as shown in Mechanical Specification drawing.
8. Volts: Measured rms value of the test signal.
9. Watts: Per audio industry practice, “loudspeaker watts” are calculated as voltage squared divided by rated nominal impedance. Thus, these are not True Watt units of energy as defined by International Standard.
10. SPL: (Sound Pressure Level) Equivalent to the average level of a signal referenced to 0 dB SPL = 20 microPascals.
11. Subsystem: This lists the transducer(s) and their acoustic loading for each passband. Sub = Subwoofer, LF = Low Frequency, MF = Mid Frequency, HF = High Frequency.
12. Operating Mode: User selectable configurations. Between system elements, a comma (,) = separate amplifier channels; a slash (/) = single amplifier channel. DSP = Digital Signal Processor.
		 IMPORTANT: To achieve the specified performance, the listed external signal processing must be used with EAW-provided settings.
13. Operating Range: Range where the processed Frequency Response stays within -10 dB SPL of the power averaged SPL within this range; measured on the geometric axis. Narrow band dips are excepted.
14. Nominal Beamwidth: Design angle for the -6 dB SPL points, referenced to 0 dB SPL as the highest level.
15. Axial Sensitivity: Power averaged SPL over the Operating Range with an input voltage that would produce 1 W at the nominal impedance; measured with no external processing on the geometric axis, referenced to 1 m.
16. Nominal Impedance: Selected 4, 8, or 16 ohm resistance such that the minimum impedance point is no more than 20% below this resistance over the Operating Range.
17. Accelerated Life Test: Maximum test input voltage applied with an EIA-426B defined spectrum; measured with recommended signal processing and Recommended Protection Filter.
18. Calculated Axial Output Limit: Highest average and peak SPLs possible during the Accelerated Life Test. The Peak SPL represents the 2:1 (6 dB) crest factor of the Life Test signal.
19. High Pass Filter: This helps protect the loudspeaker from excessive input signal levels at frequencies below the Operating Range.

GRAPHIC DATA
1. Resolution: To remove insignificant fine details, 1/12 octave cepstral smoothing was applied to acoustic frequency responses and 1/3 octave cepstral smoothing was applied to the beamwidth and impedance data.
		 Other graphs are plotted using raw data.
2. Frequency Responses: Variation in acoustic output level with frequency for a constant input signal. Processed: normalized to 0 dB SPL. Unprocessed inputs: 2 V (4 ohm nominal impedance), 2.83 V (8 ohm nominal 		
		 impedance), or 4 V (16 ohm nominal impedance) referenced to a distance of 1 m.
3. Processor Response: The variation in output level with frequency for a constant input signal of 0.775 V = 0 dB reference.
4. Beamwidth: Average angle for each 1/3 octave frequency band where, starting from the rear of the loudspeaker, the output first reaches -6 dB SPL referenced to 0 dB SPL as the highest level. This method means the 		
		 output may drop below -6 dB SPL within the beamwidth angle.
5. Impedance: Variation in impedance magnitude, in ohms, with frequency without regard to voltage/current phase. This means the impedance values may not be used to calculate True Watts (see 9 above).
6. Polar Data: Horizontal and vertical polar responses for each 1/3 octave frequency band 100 Hz to 16 kHz or Operating Range.

Eastern Acoustic Works | One Main Street | Whitinsville, MA 01588 USA | tel 800 992 5013 / +1 508 234 6158 | fax 508 234 8251 | www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice.

Part Number: RD0886 Rev A01

AUG2015



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