00494100
1508-8 alcp
00494080
1508-8 cucp
INTRODUCTION
The Pro Rider
®
driver series represents a
new level of power and performance for
Black Widow
®
loudspeakers. These
outstanding drivers have a power
handling rating of 1,200 Watts program,
along with high efficiency, reduced
distortion and excellent overall sound
quality.
The series includes two 15" models in
8 Ohm impedance, suitable for both
subwoofer and woofer applications.
DESIGN
The Pro Rider series uses a new cone
that is a variation on the existing Kevlar
®
-
impregnated cones used on all Black
Widows. The new cone is stronger and
tougher, highly water-resistant and has a
specially designed deep-roll accordion
surround. The dustcap is also made of
the same extremely strong material.
Voice coil assemblies on the new drivers
use thermoset-insulated aluminum or
copper ribbon wire, edge-wound and
bonded onto an incredibly durable, heat-
resistant polyimide composite former. The
coil wires are solderless diffusion-welded
to high conductivity OFHC copper foil
leads, which are embedded inside the
former assembly and attached to the
tinsel leads with high temperature silver
solder. The solder joint is then coated
with a special thermally conductive
silicone adhesive for encapsulation and
heat dissipation.
The voice coil assembly is bonded to the
Kevlar cone and new super-tough nylon
composite spider using a thermoset
epoxy originally developed for attaching
nose cones on ICBM missiles – truly an
aerospace-grade adhesive. The spider
and surround are bonded to the frame
with a high strength, toughened
cyanoacrylate adhesive, which is also
used to bond the dustcap to the cone.
The magnet structure includes subtle
changes to its geometry that improve
power handling. While it appears the
same as the standard structure, and the
replacement baskets from the Pro Rider
series will fit on standard BW magnet
structures, the improved power handling
will be compromised if the standard
structure is used.
The vent plate assembly used on Low
Rider
®
drivers to increase power handling
is included in the Pro Rider series. This
results in a significant improvement in
power handling capabilities and long-term
power compression.
These new drivers also adhere to the
familiar features of Black Widow
products: Cast aluminum frames,
replaceable basket assemblies, Rubatex
®
gaskets and highly reliable, spring-loaded
terminals are all used.
APPLICATIONS
The Pro Rider drivers are superior
choices for a wide range of sound
reinforcement, high level playback,
subwoofer and monitor applications.
The 1508-8 alcp driver is an excellent
choice for general purpose sound
reinforcement. The enclosure size is
reasonable and its performance from sub-
bass to upper mid-range is strong. Its
versatility includes vented and bandpass
enclosure designs.
The 1508-8 cucp is specifically optimized
for amazing bass performance in very
small vented enclosures, along with flat
mid-bass and mid-range response for an
accurate, clean sound quality. It is an
excellent choice for compact enclosures,
multi-driver subwoofers and monitors
where enclosure size is limited.
Pro Riders can work with crossover
points as high as 2.0 kHz, but work best
below 1.5 kHz. They deliver excellent
performance in both woofer and
subwoofer applications.
ENCLOSURES
To assist with the growing interest in
home-built enclosure designs, Peavey
provides complete parameter data on
S P E C S
P E A V E Y
E L E C T R O N I C S
ENCLOSURES
Net Volume
Vent diameter
Vent length
Vb box tuning
F3, -3 dB
cubic feet/liters (qty) inches/mm
inches/mm
frequency in Hz
point in H
1508-8 alcp
Small vented box
3.0 / 84.9
(2) 4" / 102
6-7/8" / 175
45
51
Medium vented box
4.0 / 113.3
(2) 4" / 102
5" / 127
43
45
Large vented box
5.0 / 141.6
(2) 4" / 102
4-3/8" / 111
40
41
Single-reflex bandpass Sealed: 2.25 / 63.7
Vented: 1.75 / 49.6 (2) 6" / 152
8" / 203
83
48 - 138
1508-8cucp
Small vented box
1.5 / 56.6
(2) 4" / 102
11-3/8" / 289
53
61
Medium vented box
2.25 / 84.9
(2) 4" / 102
7-1/4" / 184
51
50
Large vented box
3.0 / 113.3
(2) 6" / 152
5-1/4" / 133
49
45
Features and specifications subject to change without notice.
Peavey Electronics Corporation • 711 A Street • Meridian • MS • 39301
(601) 483-5365 • FAX (601) 486-1278 • www.peavey.com
©2003
Printed in the U.S.A. 4/03
80304925
ONE YEAR LIMITED WARRANTY
NOTE:
For details, refer to the warranty statement. Copies of this
statement may be obtained by contacting Peavey Electronics
Corporation, P.O. Box 2989, Meridian, MS 39335
Suggested enclosures
For those who want to build their own enclosures but don’t want to go through the design process using driver
parameters, Peavey provides the following optimized designs:
FOR 1508-8 alcp:
1. Small vented enclosure
Excellent performance for compact, general purpose use. Warm mid-bass response. F3 is 50 Hz.
2. Medium vented enclosure
Terrific compromise of bass performance and enclosure size. Warm mid-bass response. F3 is 44 Hz.
3. Large vented enclosure
Big box, big bass! Great as a subwoofer or the bottom end of a large multi-way enclosure design. F3
is 40 Hz.
4. Single-reflex bandpass enclosure
Special enclosure design that uses the enclosure as an acoustic filter for shaped response. Great
choice for a compact subwoofer system. Response is 47 Hz – 135 Hz.
FOR 1508-8cucp:
1. Small vented enclosure
A small enclosure with outstanding bass performance for its size an F3 is 61 Hz.
2. Medium vented enclosure
Small box with powerful bass and predictable, flat response down to an F3 of 50 Hz.
3. Large vented enclosure
Strong, flat reponse with bass extension to an F3 of 45 Hz. Deep, predictable bass quality for great
subwoofer and multi-way system performance.
Kapton
®
is a registered trademark of DuPont.
Kevlar
®
is a registered trademark of DuPont.
Nomex
®
is a registered trademark of DuPont.
Rubatex
®
is a registered trademark of Rubatex Corporation.
REPLACEMENT OF SPEAKER BASKET ASSEMBLY
1.
Prior to replacement procedure, clean work area of all metal objects and other debris.
2.
With speaker lying face down, remove the three screws on back of magnet structure with 7/16"
nut driver.
3.
. After screws are removed, lift the magnet structure off the basket frame.
4.
Clean the voice coil “gap” before magnet structure is put on new replacement basket. (See
illustration.) Fold a piece of masking tape over on itself several times, sticky side out, and insert it
into the voice coil “gap.” Run it all the way around the “gap” several times to remove all particles of
metal and other trash before magnet structure is put on new replacement basket.
5.
Holding magnet structure in slanted position, gently lower the structure down into the basket so
that it rests inside the magnet structure counter bore, being sure to align the screw holes, and
lower the structure down into place. Insert screws and tighten.
STEP 1
STEP 2
STEP 3
STEP 4
