JBL SRX828S Spec Sheet 4.22.16

User Manual: JBL JBL SRX828S | 18 Dual Passive Subwoofer System

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SRX828S
18” Dual Passive Subwoofer System

Key Features:
Premium JBL Transducers with extremely high
power handling
Rugged, versatile enclosures
Full Integration into Audio Architect
Maximum SPL Output: 141dB
System Type: Passive Dual 18”, subwoofer
Frequency Range (-10dB): 30Hz - 150Hz
Frequency Response (- 3dB): 47Hz -120Hz
JBL Professional Tunings available for Crown XTI 2,
Crown Itech HD, and dbx DriveRack 360
Accepts JBL WK-4S Caster Kit
Indexing feet for stacking and cardioid deployment
Lightweight poplar plywood cabinets made
structurally sound with tongue and groove joints and
protected by JBL’s tour proven DuraFlex™ finish

Specifications:
System:

Applications:
The SRX828S is a passive portable subwoofer in the SRX800
series from JBL Professional. It has been designed to deliver
class leading performance in a variety of applications
including small and medium sized installations and tours.
When used in conjunction with the SRX800 full range
systems and other SRX800 subs, SRX828S in an integral
part of a high performance, fully configurable loudspeaker
system.
With indexed feet and a lightweight design, the SRX828S
can be configured for a variety of applications, including
being stacked in a cardioid configuration for large shows on
stage.
For incredible extended low frequency response, the
SRX828S uses an 18-inch woofer with JBL’s patented
Differential Drive Technology for reduced weight while
maximizing power amp efficiency. 3” voice coils and dual
ferrite drivers deliver exceptionally low distortion and
extended low frequency response.
The SRX828S is supported with tunings for Crown XTI 2
amplifiers, Crown Itech HD amplifiers, and dbx DriveRack
360 signal processors, all of which can be controlled as part
of a comprehensive system with Harman Audio Architect.
With best in class 18mm wooden enclosures , 14 gauge steel
grilles, and JBL’s Patented DuraFlex finish, SRX800 speakers
are built to last and withstand a lifetime of hard tour use.

System Type:
Maximum SPL Output:

Passive dual 18”, subwoofer system
141 dB

Frequency Range (-10 dB):

30Hz – 150Hz

Frequency Response (-3 dB):

47Hz – 120Hz

Power:
System Power Rating:

4800W Peak, 2400W Program, 1200W Continuous

Nominal Impedance:

4 Ohm

Connectors:
Operational Modes:

NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
Passive

Speaker:
LF Driver:
Crossover Frequency:

(2x) 2279H
80hz

Enclosure:
Material:

18mm plywood

Handles:

8

Finish:

Obsidian Duraflex™ finish

Grille:

Powder coated, Onsidian, 14-gauge perforated steel with acoustically
transparent black cloth backing

Dimensions (L x W x H):
Weight:

26.79" x 47.42" x 22.57"
(681mm x 1205mm x 574mm)
137.0 lbs (62.1 kg)

SRX828S 18” Dual Passive Subwoofer System

Frequency Response (Main Tuning)
115

SPL (dB)

105

95

85

75
20

100

1000

10000

20000

1000

10000

20000

Frequency (Hz)

SRX828S 120Hz
SRX828S 100Hz

SRX828S 80Hz & SRX Top
SRX828S 60Hz

Frequency Response (80Hz)
20

SPL (dB)

10

0

-10

-20

20

100

SRX828S Cardioid 80 front, all 3 subs
SRX828S Cardioid 80 rear, all 3 subs

Frequency (Hz)

SRX828S 18” Dual Passive Subwoofer System
2.36
3.14

8.00

Dimensions:

11.85

4.98
10.57 10.35

11.21

4.37

14.65

15.19
6.80

9.63
26.79

21.90

47.42

44.09
22.42 22.57

JBL Professional
8500 Balboa Boulevard, P.O. Box 2200
Northridge, California 91329 U.S.A.
© Copyright 2015 JBL Professional
www.jblpro.com
SRX828S
07/15
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