BLACK WIDOW™ SUPER
STRUCTURE
The Black Widow®/Super Structure™ still remains far
ahead of any of its competitors due to its performance and
unique design. These state-of the-art speakers feature Kevlar® impregnated
cones and a high efficiency magnet structure to provide outstanding
sensitivity, reliability, and performance. The Kevlar impregnated
cone is stiffer than an equivalent weight paper cone, reducing
the tendency of the cone to distort the shape of the voice
coil, thus avoiding rubs and scrapes. Superior power handling
results from the increased stiffness, especially with large
cone excursions. This cone also offers lower distortion than
a paper cone due to a greater dampening of unwanted cone vibrations.
The piston action of the Kevlar impregnated cone is extended
to a higher frequency, while the range above is better controlled,
with a reduction in vibrational break-up.
In Black Widow models 1203 and 1501DT, where the properties
of a Kevlar impregnated cone might not be desirable, such as
speakers designed for guitar use, a specially formulated paper
cone (along with other Peavey engineered factors) is utilized
to promote that distinctive tone.
The magnet structure features a patented Peavey technology:
a one piece die-cast back plate/pole piece assembly. This construction
eliminates an undesirable "air gap" in the magnet
circuit, enhancing efficiency and reliability.
Another Peavey original is the design of the speaker framework.
In the unlikely event of the failure of a Black Widow loudspeaker,
the cone/basket assembly is field replaceable with a factory
assembled and tested replacement basket assembly. Instead of
being forced to obtain a whole new speaker, only a new basket
assembly is required. Lightweight and relatively inexpensive,
the replaceable basket assembly offers an easy solution to
spares and repairs.
Along with these state-of-the-art aspects, Black Widow speakers
also provide the features expected in a professional application
loudspeaker: a four inch edgewound aluminum ribbon voice coil
wound on a Kapton(TM) former for high efficiency and sensitivity;
a die-cast aluminum alloy frame for exacting lifelong alignment
of the assembly; an extra large vent in the magnet structure
for superior cooling and linearity at high drive levels; and
heavy-duty spring loaded terminals adhering to industry standards
for color coding.
The Peavey Black Widow speaker line:
the high technology performer that is unsurpassed.
BLACK WIDOW DESCRIPTIONS
12" SPEAKERS
Musical Instrument Applications
1201-8 Black Widow
The 1201 is an 8 ohm, 12" Black Widow/Super Structure
speaker intended primarily for sound reinforcement. Offering
superior sensitivity and power handling in a 12" speaker,
the 1201 utilizes a Kevlar impregnated cone for a smooth response
characteristic well suited to vocals, stage monitors, and other
compact applications. This model can also be used to provide
outstanding mid-bass performance in a multi-way system.
1205-8 Black Widow
The 1205 is an 8 ohm, 12" Black Widow/Super Structure
speaker that is similar to the 1201, except with a longer voice
coil and enhanced low frequency response.
1203-4 and 8 Black Widows
The 1203 is the 12" Black Widow/Super Structure designed
for musical instrument applications. Able to handle high power
yet maintain a bright crisp high-end with maximum output, the
1203 is the choice of many demanding musicians. For that high-end "edge," the
1203 utilizes a special paper cone for those distinctive guitar
and keyboard sounds. Available in 8 ohm and 4 ohm versions.
Special Applications
1202-4 Black Widow
The 1202 is a 4 ohm, 12" Black Widow/Super Structure designed
specifically for use as a compression driver in a horn-loaded
mid-bass application. Designed with an inverted dust cap to
match up with a phase plug, the Kevlar impregnated cone resists
break-up and cone cry, which results in a smoother response
and more viable high frequencies. Not recommended for use as
a direct radiator.
15" SPEAKERS
Sound Reinforcement and PA Applications
1505DT-8 Black Widow
The 1505DT is an 8 ohm, 15" Black Widow/Super Structure
speaker with a curvilinear cone for extended bandwidth. Offering
a rare combination of usable frequency response into the mid-range
with a smooth powerful low end, the 1505DT, Kevlar cone and
long voice coil provide excellent linearity at high drive levels.
Excellent as a woofer in multi-way enclosures or as the bottom
end in a two-way system.
1505KADT-8 Black Widow
The "KA" version of the 1505 has a medium length
voice coil for higher efficiency and even greater bandwidth
than the 1505DT-8.
Musical Instrument Applications
1501DT-4 Black Widow
The 1501DT is a 4 ohm, 15" Black Widow/Super Structure
speaker specifically voiced for musical instrument use. A "classic" sound
is achieved by using a specially developed high density curvilinear
paper cone, and incorporating a one-piece aluminum dust cap
and voice coil former. Sustain is enhanced while retaining
control of the overall tone. Obvious applications include lead
guitar and steel guitar.
1502DT-4 and 8 Black Widows
The 1502DT is a 15" Black Widow/Super Structure speaker
with a straight-sided, ribbed, Kevlar impregnated cone for
the strength required to handle pounding bass lines. Primarily
a bass guitar speaker, the 1502 is versatile enough to be used
for lead guitar, keyboard, and general purpose low frequency
sound reinforcement. The 1502DT-4 is equipped with medium length
voice coils for efficiency and high output and is available
in 4 and 8 ohm versions.
1505DT-4 Black Widow
The 1505DT-4 is a 4 ohm, 15" Black Widow/Super Structure
speaker with a curvilinear Kevlar impregnated cone for extended
smooth response. While used as a bass guitar speaker, the high
frequencies have a little extra "bite." Long voice
coil maintains linearity at high drive levels.
Special Applications
1504DT-4 Black Widow
The 1504DT is a 4 ohm 15" Black Widow/Super Structure
speaker designed specifically for use in horn loaded enclosures.
Utilizing a straight-sided, ribbed, Kevlar impregnated cone
for maximum rigidity, the suspension is more compliant (softer)
for higher linearity when driving a horn loaded cabinet.
18" SPEAKERS
Sound Applications
1801-8 Black Widow
The 1801 is an 8 ohm, 18" Black Widow/Super Structure
speaker which offers the ultimate in deep, extended, bass response
while maintaining a high sensitivity and high power capability.
This is the woofer of choice for discos subwoofers, special
effects, or anywhere low end punch and impact are a must! A
long throw voice coil and Kevlar impregnated cone team up for
excellent linearity.
Musical Instument Applications
1801-4 Black Widow
The 1801-4 is a 4 ohm version of the 1801-8 and matches better
with the load requirements of musical instrument use.
THIELE / SMALL DATA INTRODUCTION
The Thiele/Small parameters for Peavey Black Widow speakers
are provided for those who like to "roll-their-own" design
and construct a custom cabinet for a specific purpose. Modern
computer programs have enabled almost anyone to try "what-if" calculations
utilizing the Thiele/Small parameters without requiring a complete
understanding of the individual parameters.
For the uninitiated, there are no "good" or "bad" Thiele/Small
numbers, just relevant design information.
WHAT DOES THE NOTATION MEAN?
Re is DC resistance of the voice coil in ohms
Fs is free air resonance of the speaker cone
assembly in Hz
QTS is total quality factor in free air
QMS is mechanical quality factory
QES is electrical quality factor
VAS is equivalent volume compliance of suspension
in liters
No is efficiency in percents
VD is volume of air displaced in milliliters
Xmax is T peak-to-peak maximum cone excursion
in millimeters
| Model# |
Re |
Fs |
QTS |
QMS |
QES |
VAS |
No |
Xmax |
VD |
| 1201-8 |
6.1 |
59.7 |
.27 |
6.6 |
.28 |
59 |
3.8% |
+/-2.6 |
143 |
| 1202-4* |
4.5 |
47.1 |
.25 |
8.2 |
.26 |
100 |
4.4% |
+/-2.6 |
143 |
| 1203-4 |
3.0 |
57.8 |
.37 |
7.5 |
.39 |
72 |
3.1% |
+/-1.0 |
56 |
| 1203-8 |
6.1 |
59.4 |
.38 |
8.1 |
.40 |
69 |
3.6% |
+/-1.0 |
56 |
| 1205-8 |
5.2 |
55.6 |
.28 |
8.7 |
.29 |
69 |
3.8% |
+/-4.5 |
24 |
| 1501-4DT |
3.2 |
46.7 |
.34 |
2.4 |
.40 |
188 |
4.6% |
+/-1.2 |
84 |
| 1502-4DT |
3.2 |
43.1 |
.36 |
7.9 |
.38 |
192 |
3.7% |
+/-2.8 |
225 |
| 1502-8DT |
6.1 |
42.4 |
.32 |
7.5 |
.34 |
205 |
4.5% |
+/-2.8 |
225 |
| 1504-4DT |
3.5 |
31.3 |
.29 |
6.2 |
.32 |
385 |
3.6% |
+/-3.0 |
240 |
| 1505-4DT |
3.2 |
44.6 |
.37 |
8.8 |
.39 |
182 |
4.0% |
+/-4.8 |
385 |
| 1505-8DT |
5.2 |
44.2 |
.37 |
7.8 |
.39 |
198 |
3.9% |
+/-4.8 |
385 |
| 1505KA-8DT |
5.3 |
44.3 |
.35 |
8.1 |
.37 |
187 |
4.5% |
+/-2.6 |
208 |
| 1801-4 |
3.5 |
40.6 |
.47 |
8.9 |
.49 |
330 |
4.3% |
+/-4.6 |
516 |
| 1801-8 |
6.5 |
40.2 |
.61 |
8.4 |
.63 |
321 |
3/4% |
+/-4.8 |
538 |
* inverted dust cap
RESPONSE CURVES INTRODUCTION
Some notes concerning how the frequency response curves were
taken: All the Black Widow models were curved in a suitable
box. The 12" models were mounted in a volume of approximately
2 cubic feet, tuned to 80 Hz. The 15" models were mounted
in a volume of approximately 3.5 cubic feet tuned to 40 Hz.
The 18" models were mounted in a volume of approximately
10.5 cubic feet tuned to 32 Hz. Each box was lined with one
layer of acoustic absorbing materials and measured in an anechoic
chamber. One watt of input power was used (2 V for 4 ohm models,
2.83 V for 8 ohm models), and the measurement microphone was
placed at 1 meter from the speaker on axis with the center
of the speaker.
Due to standing waves inside the cabinets, the 12" models
exhibit dips at approximately 700 Hz and 1.2 kHz; the 15" models
at 400 Hz and 800 Hz; and the 18" models at 320 Hz and
6550 Hz. These are related to the internal dimensions of the
cabinets and are not inherent in the speakers.
Loss bass response (below 200 Hz) is almost completely dictated
by the cabinet used with the speaker. Different roll-offs and
responses can be achieved with variations in the box volume
and/or tuning.
TECHNICAL DATA
Nominal Size: 12" 15" 18"
Overall Diameter 12 1/4" 15 1/4" 18 3/16"
Bolt Circle Diameter 11 5/8" 14 9/16" 17 3/8"
Hole (cut-out) Diameter 10 15/16" 14" 16 3/4"
Depth 3 17/32" 4 31/32" 5 17/32"
Weight 16 lbs. 17 lbs. 18 lbs.
SPECIFICATIONS
Power Handling
Continuous 350 W,
Program 700 W*
AES 600 W<
, Continuous power per EIA Standard RS-426A
* Program rating with a minimum of 3 dB amplifier headroom
< Power capacity for 2 hours per AES Standard 2-1984 |
|
 |
| |
|
