JBL 18" Aftermarket Differential Woofer JBL 2268H for JBL SRX718 & JBL 2278HPL

Description

New ! Aftermarket
JBL
18" Differential Woofer Replacement (JBL2268H)
For
JBL SRX 718 ;SRX 728 ;SRX 738 Series.
JBL 2278H for JBL PRX718XLF
This is a
New
Aftermarket
18"
Differential Low Frequency replacement Transducer
for
JBL SRX 718; SRX 728; SRX738 Series.
Capable of reproducing full-bandwidth sound at high levels,
with neodymium magnet
and dual voice coils to perform better than conventional designs with less distortion and at a fraction of the weight.
A pair of inline voice coils in separate magnetic gaps instead of a single voice coil-gap configuration. Available space is more effectively utilized, and heat is removed from the motor structure more efficiently. Specifically, the voice coils are wound reversely and are immersed in magnetic fields of opposite polarity
.
A 457.2mm (18 in) Differential Transducer: integrated woofer with dual 3”(76.2mm) voice coils.
Product Specifications
Nominal Diameter
18"
Power Handling (RMS)
800 W
(Max)            1600 W
Nominal Impedence                 8 ohm
Sensitivity
96 dB 1W/1m
Voice Coil Diameter
3"
Shipping Weight                      13.85 lbs
Thiele-Small Parameters
Resonant Frequency (Fs)
33 Hz
DC Resistance (Re)
5.3 ohms
Voice Coil Inductance (Le)
1.85 mH
Mechanical Q (Qms)
3.8
Electromagnetic Q (Qes)
0.39
Total Q (Qts)
0.36
Compliance Equivalent Volume (Vas)
11.58 ft.³
Maximum Linear Excursion (Xmax)
8 mm
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RCF, Celestion 18 Sound & Eminence
Speakers & Drivers
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