Peavey Black Widow 1508-8 Manual

Peavey Højttaler Black Widow 1508-8

Læs gratis den danske manual til Peavey Black Widow 1508-8 (8 sider) i kategorien Højttaler. Denne vejledning er vurderet som hjælpsom af 11 personer og har en gennemsnitlig bedømmelse på 5.0 stjerner ud af 6 anmeldelser. Har du et spørgsmål om Peavey Black Widow 1508-8, eller vil du spørge andre brugere om produktet?

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P E A V E Y E L E C T R O N I C S

Black Widow® BWX

1208-8sps BWX - 00560760

1208-4sps BWX - 00560780

1508-8sps BWX - 00560180

1508-4sps BWX - 00560140

1508-8cu BWX - 00560160

1508-8he BWX - 00560000

The 1508 and 1208 driver series

represent a new level of power

and performance for Black Widow

loudspeakers. Power handling is

increased by 40% over other com-

parable models, along with reduced

distortion and higher overall sound

quality.

The series includes 12” and 15” mod-

els in both 4 and 8 ohm impedances.

DESIGN

The BWX 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 re-

sistant, and has a specially designed

surround – a deep roll accordion

design on the 15”, and an innovative

asymmetrical-M style on the 12” that

improves mid range clarity. The dust

cap is also made of the same ex-

tremely strong material.

Voice coil assemblies on the new

drivers use the thermoset insulated

aluminum or copper ribbon wire,

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 assem-

bly and soldered 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 develop

for attaching nose cones to ICBM

missiles – truly an aerospace grade

adhesive. The spider and surround

are bonded to the frame with a high

strength toughened adhesive.

The magnet structure includes subtle

changes to its geometry that improve

power handling. While it appears the

same as the standard structure, and

replacement basket from the BWX

series will t on standard BW mag-

net structures, the improved power

handling will be compromised if the

standard structure is used.

These new drivers also adhere to

the familiar features of Black Widow

products: cast aluminum frames, re-

placeable basket assemblies, Ruba-

tex gaskets and high reliability, spring

loaded terminals are all used.

APPLICATIONS

The 1508 and 1208 drivers are

excellent choices for a wide range

of sound reinforcement, high level

playback, subwoofer, and monitor ap-

plications.

The 1508sps driver is an excellent

choice for general purpose sound re-

inforcement, and is available in both

4 and 8 ohm versions. Enclosure size

is reasonable and bass / mid-bass

performance is strong. Its versatility

includes sealed and bandpass enclo-

sure designs.

The 1508cu produces amazing bass

performance in small enclosures,

along with at mid-bass response for

an accurate, clean sound quality.

The 1508he is best used as the bot-

tom end of a full range enclosure. It

has very high efciency for superior

output in the mid-bass and mid-

range. However, for pure subwoofer

applications, the 1508sps or 1508cu

are better choices.

The 1208sps works well in sealed

or vented enclosure designs, and

its smooth, extended frequency

response makes it an excellent mid-

range performer. It is available in 4

and 8 ohm versions.

Because the 1208sps’s low frequen-

cy output is limited, it should be used

along with a subwoofer when re-

sponse below 60 Hz is needed. The

best application for the 1208sps is in

compact enclosures and very high

quality mid-bass/mid-range reproduc-

tion at high sound pressure levels.

The 15” drivers can work with cross-

over points as high as 2.0 kHz but

work best below 1.5 kHz. The 12” driv-

ers are usable to 3.5 kHz but perform

best below 2.5 kHz.

ENCLOSURES

To assist with the growing interest

in home built enclosure designs,

Peavey provides complete param-

eter data on these drivers, as well as

several recommended enclosures

for each model. This information and

much more can be found at www.

peavey.com.

The strength of the completed enclo-

sure has a great effect on the bass

performance of the nished system.

Box panels that aren’t stiff enough

will vibrate, canceling bass produced

by the woofer and creating unde-

sired sounds of their own. If your box

vibrates or you don’t think the box

panels are stiff enough, add more

bracing.

Vents used in the examples require

standard Schedule 40 PVC pipe for

vent construction. The pipe should

be dadoed tightly into the back of the

bafe and glued rmly in place with

high quality epoxy or high strength,

industrial grade hot glue. Rough up

the outside of the pipe to improve the

glue bond.

Be sure to account for the displace-

ment of the vent, bracing, horn (if

used) and woofer or your enclosure

before building it or it will be smaller

than its intended volume. This can

reduce bass output and mis-tune the

enclosure.

Line the inside of the enclosure with

polyester ber batting such as quilt

stufng. The batting material should

conform to California bedding re

codes. Attach the batting with spray

adhesive or staples and keep materi-

al away from the end of the vent tube

where it can be pulled in by air ow.

Handles, protective corners, cabinet

covering, grille materials and cross-

overs are available through Peavey

Accessories.

When building a bandpass enclo-

sure, design a panel or door to be

removable for access to the woofer.

Use foam weather-strips to seal the

panel along with enough screws and

bracing to prevent leaks and buzzes.

Fill the sealed volume loosely with

polyester ber, but leave the vented

volume empty. Place the magnet of

the woofer in the vented side for im-

proved cooling.

Peavey does not supply hardware

required for the manufacturing of y-

ing systems, and recommends that

builders should not suspend or y

any enclosure not certied for such

applications.

These instructions are a general

guideline for design. Proper construc-

tion techniques, good planning and

common sense will result in a reli-

able, high quality, high performance

system.

Peavey in no way accepts liability for

any damage, accidents or injury that

may result from construction or use

of enclosure using this information.

Due to Peavey’s continuing efforts

to improve its products, features and

specications are subject to change

without notice.

PARAMETERS

Thiele-Small parameters for Black

Widow® 1208 and 1508 drivers follow.

This data is for use in designing en-

closures. Numerous software pack-

ages are available that use this data

to simulate the response of the driver

and enclosure together for optimum

performance in any application.

PARAMETER DEFINITIONS

Znom: The nominal impedance of the driver in

Ohms.

Revc: DC resistance of the driver in ohms, also

known as Re.

Sd: The functional radiating surface area of the

cone assembly in meters 2.

BL: Efciency of the voice coil and magnet

system in Tesla meters.

Fo: Free air resonance. Also known as Fs.

Vas: Volume of air having the same compliance

(springiness) as the driver’s suspension.

Cms: Restorative force of the driver’s

suspension in micrometers/Newton.

Mms: The total mass of the moving parts of the

loudspeaker, including the air load, in grams.

Qms: Resonance characteristics of the

mechanical factors of the loudspeaker.

Qes: Resonance characteristics of electrical

factors of the loudspeaker.

Qts: Resonance characteristics of the electrical

and mechanical factors combined together.

Xmax: Distance the cone can move in one

direction before the coil begins to leave the

magnetic gap.

Le: Inductance of the voice coil in millihenries.

SPL: Typical sound pressure level at 1 watt, 1

meter.

no: Electrical to acoustical conversion efciency

in percent.

Vd: Air displacement of the driver from negative

Xmax to positive Xmax.

Pmax: Maximum continuous program power in

watts.

Disp: Volume displaced by the driver inside the

cabinet when mounted on its rear ange

Produkt Specifikationer

Mærke:	Peavey
Kategori:	Højttaler
Model:	Black Widow 1508-8

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