PlusOne HCL Woofers: The JBL
Power Series P652s speakers feature Honeycomb Laminate (HCL) cone woofers. This
material consists of two woven glass fiber layers with an epoxy-coated Nomex
honeycomb core. This makes the cone exceptionally stiff, yet lightweight. The
benefits of HCL woofers include increased efficiency, exceptional midrange
clarity and lower distortion at high output levels. The PlusOne woofer cones
have more surface area than conventional 6-1/2" speakers for increased bass
output and increased efficiency.
1" Titanium Dome Tweeters: The
speakers have pure-titanium, edge-driven dome tweeters.
This style tweeter is similar to those found in high end home audio
loudspeakers, and the benefits include reduced distortion at high output levels
and superior integration with the mid/woofer.
Voice Coils: The P652s
features a voice coil larger than what is found on most models of the same size.
This larger voice coil increases power handling while minimizing distortion.
Tinsel Leads: The
spider integrated tinsel leads greatly enhance reliability and eliminate audible
tinsel lead slap.
speakers come equipped with computer-optimized passive outboard crossovers that
have been voice-matched to ensure optimum imaging, clarity and detail. Each
crossover has the following dimensions: Length=3.287", Width=1.835"
Height=1.039", Input wires (20 gauge): 12", Output wires (20 gauge):
Crossover Connections: Each
crossover input lead is terminated with bare wire, and the two output leads (one
for the woofer and one for the tweeter) are terminated with female quick-slides.
The positive woofer lead has a 0.250" female quick-slide and the negative
woofer lead has a 0.187" female quick-slide. The positive tweeter lead has
a 0.205" female quick-slide and the negative tweeter lead has a 0.110"
female quick-slide. These quick-slides connect directly to the woofer and
tweeter terminals on each speaker.
Intermount III mounting system allows the P652s speakers to fit in a variety of
applications. A metal adapter ring is included with each speaker. When used with
the metal rings, the speakers will work in standard 3 and 4-hole 6-1/2"
applications. When the included metal rings are not used, the speakers will work
with standard 6-3/4" applications.
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