Mackie ART300A Schematic

ART300A
Ac tive Lo ud sp e a ke r

Se rvic e Ma nua l

2002 MAC KIE DESIG NS, INC.

ART300A Se rvic e Ma nua l

SERVICE ON THIS EQUIPMENT IS TO BE PERFORMED BY

EXPERIENCED REPAIR TECHNICIANS ONLY

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ART300A Se rvic e Ma nua l

C O NTENTS

Sa fe ty Instruc tio ns ........................................................... 2

Intro duc tio n ..................................................................... 4

Ac tive Sp e a ke r Sa fe ty Te st ............................................ 5

O ve rvie w .......................................................................... 7

Re a r Pane l....................................................................... 8

Sp e c ifi c a tio ns.................................................................. 9

Pa rts ............................................................................... 10

Fina l Asse m b ly............................................................ 10

Am p life r Asse m b ly..................................................... 11

Am p lifi e r PC B Asse mb ly ............................................ 12

Inp ut Bo ard Asse m b ly a nd PC B............................... 14

RC F Pa rts Diffe re nc e s................................................ 15

Ma in C irc uit Bo a rd .......................................................... 16

Sc he m a tic s

C ro sso ve r .............................................................. 16

Hig h Fre q ue nc y Am p lifi e r.................................... 17

Lo w Fre q ue nc y Am p lifi e r..................................... 18

Po w e r Sup p ly ........................................................ 19

PC B La yo ut................................................................. 20

Inp ut Bo a rd ...................................................................... 21

Sc he m a tic .................................................................. 21

PC B La yo ut................................................................. 22

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Intro d uc tio n

SERVICE ON THIS EQUIPMENT IS TO BE PERFORMED BY

EXPERIENCED REPAIR TECHNICIANS ONLY

Ab o ut this Ma nua l

This ma nua l c o nta ins the b a sic re pa ir info rma tio n fo r the ART se rie s lo ud sp e a ke rs. Fo r
e a c h m o de l, the fo llo wing info rm a tio n is supp lie d:

• Safe ty info rma tio n

• O ve rview

• Re ar p a ne l vie w a nd fe a ture s

ART300A Se rvic e Ma nua l

• Spe c ifi c atio ns a nd te st d e ta ils

• Pa rts list, c o nta ining a ma ste r pa rts list a nd sub -a sse m b ly p a rts

• Pa rts list diffe re nc e s b e tw e en RCF a nd Ma c kie Ind ustria l ART sp e ake rs

• Sc he ma tic s

• PCB la yo ut d ra wing

It is e sse ntia l tha t yo u ha ve a c o p y o f the use r’ s ma nua l a s this c o nta ins the c o mp le te
o p e ra ting instruc tio ns.

Se rvic e Te c hnic a l Assista nc e

Ma c kie De signs, Se rvic e Te c hnic a l Assistanc e , is a va ila ble 8AM - 5PM PST, Mo nd a y
thro ug h Frid a y fo r Autho rize d Ma c kie Se rvic e Ce nte rs, a t 1-800-258-6883. Fe e l fre e to
c a ll with a ny q ue stio ns a nd spe a k with a c a re fully-c a libra te d te c hnic ia n. If o ne is no t
a va ila b le , le a ve a d e ta ile d me ssa g e a nd a q ua lifi e d Ma c ko id will re turn yo ur c a ll a sa p .

Disc la im e r

The info rm a tio n c o ntaine d in this ma nua l is p ro p rie ta ry to Ma c kie De sig ns, Inc . The e ntire
ma nua l is p ro te c te d und e r c o p yrig ht a nd m a y no t b e re pro d uc e d b y a ny m e ans witho ut
e xpre ss writte n p e rm issio n fro m Ma c kie De sig ns, Inc .

www .ma c kie ind ustria l.c o m

16220 Wo o d -Re d Ro a d NE, Wo o d inville , WA 98072 USA
TEL [phone], FAX [phone], industrial@ m a c kie .c o m
UK +44.1268.571.212, FAX [phone] +ind ustrial@ rc f-uk.c o m
ITALY +39.0522.354.111, FAX [phone] +ind ustrial@ rc f.it
FRANC E +33.3.8546.9160, FAX [phone] +rc f.c o m m e rc ia l@ w a na d oo .fr
G ERMA NY +49.2572.96042.0, FAX [phone] +ind ustrial@ ma c kie .d e

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ART300A Se rvic e Ma nua l

Ac tive sp e a ke r sa fe ty te st

Yo u must pe rfo rm the fo llo wing le a ka g e te st b e fo re re turning any a c tive sp e a ke rs to yo ur
c usto me r. Ta ke e ve ry safe ty p re c a utio n to p ro te c t yo urse lf while d o ing this te st.

1. Ma ke a sma ll lo a d ing RC c irc uit a s sho wn in the d ia g ra m b e lo w , a nd c o nne c t the
AC vo lt m e te r b e tw e e n the AC p o we r so urc e g ro und a nd a ny e xpo se d me ta l o n
the unit und e r te st.

2. C o nne c t the unit und e r te st to a n AC p o we r so urc e using a g ro und -lift a d a p to r,
le a ving the unit’ s sa fe ty g ro und fl o ating . Turn the unit o n.

3. The me te r re a d ing sho uld b e le ss tha n 750m VAC (no te : this is e q uiva le nt to 0.5mA
o f le a ka g e c urre nt).

4. Flip the p lug o ve r in the re c ep tic a l so the ho t a nd ne utra l a re swa p p e d .
Ve rify tha t the re ad ing is still le ss the n 750mVAC .

5. If e ithe r rea d ing is g re a te r tha n 750mVAC , the n yo u must inve stig a te a nd re pa ir
the spe a ke r b e fo re re turning it to yo ur c usto me r.

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Sa fe ty First!

Be fo re c o nne c ting a nd using the e q uip me nt, p le a se re ad the Quic k-Sta rt G uid e
c a re fully a nd ke e p it fo r future re fe re nc e .

Wa rning

This e q uip m e nt ha s b e e n d e sig ne d to b e insta lle d b y q ua lifi e d p ro fe ssio na ls o nly! The re
a re m a ny fa c to rs to b e c o nsid e re d whe n insta lling p ro fe ssio na l so und re info rc e m e nt
syste ms, inc lud ing m e c ha nic a l a nd e le c tric a l c o nsid e ra tio ns, a s we ll a s a c o ustic
c o ve ra ge a nd p e rfo rm a nc e . Ma c kie Ind ustria l stro ng ly re c o m m e nd s tha t this e q uip m e nt
b e installe d o nly b y a p ro fe ssio na l so und insta lle r o r c o ntra c to r.

1. Ne ve r insta ll, c o nne c t, o r d isc o nne c t the unit w ith the p o we r sup p ly o n.

2. Befo re p o we ring up the sp e a ke r, m a ke sure the vo lta g e se le c t switc h

3. Ma ke sure the sa fe ty g ro und o n the p o we r c o rd is p ro pe rly g ro und e d.

4. To pre ve nt the risk o f e le c tric sho c k, ne ve r o pe n the unit. The re a re no user

ART300A Se rvic e Ma nua l

c o rre sp o nd s to the AC Vo lta g e supp ly.

se rvic e a b le p a rts insid e .

Insta lla tio n

A 1-3/ 8" (35m m ) so c ke t is p ro vid e d in the b o tto m o f the c ab ine t fo r m o unting the
lo ud sp e a ke r o n a sp e a ke r sta nd .

The spe a ke r c a n b e susp e nd e d with a p p ro ve d rigg ing ha rd wa re . Alw a ys use a t le ast tw o
M10 thre a d e d inse rts lo c ate d o n o pp o site sid e s o f the e nc lo sure . The sp e a ke r m ust b e
p o sitio ne d so tha t the we ig ht o f the e nc lo sure is e q ua lly d istrib ute d o ve r the two inse rts.

Wa rning

Ne ve r a tte mp t to susp e nd the ART Se rie s lo ud sp e ake rs b y the ir ha nd le s. C o nsult a
p ro fe ssio na l rigg e r o r struc tura l e ng ine e r prio r to susp e nding lo ud sp e ake rs fro m a
struc ture no t inte nd e d fo r tha t use . Alw a ys kno w the wo rking lo a d limit o f the struc ture
supp o rting the lo ud sp e a ke r a rra y. Alwa ys ma ke sure tha t the rig ging ha rd wa re minim um
ra ting is a t le a st fi ve tim e s the a c tua l lo a d .

5. To e nsure no rm a l c o o ling o f the a m p lifi e r, ma ke sure the unit is we ll ve ntilate d .
Avo id e xpo sure to d ire c t sunlig ht o r p ro ximity to any he a t so urc e , d ust, o r
d a mp ne ss.

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ART300A Se rvic e Ma nua l

O ve rvie w

The ART300A is a full-ra ng e two -wa y
p ro fe ssio na l a c tive sp e a ke r syste m
tha t c o mb ine s hig h po we r a nd w ide
b a nd w id th in a light-w e ig ht e nc lo sure
fo r fi xe d -insta lla tio n syste ms. The
12" lo w-fre q ue nc y tra nsduc e r, in
c o m b ina tio n with a 1" c o mp re ssio n
d rive r c o up le d to a n inte g ra l 90º x 70º
c o nsta nt d ire c tivity p o lyno mia l ho rn,
fo rm a n e xtre me ly p o we rful p a c ka g e
fo r a ny sma ll to me dium -size d so und
re info rc e me nt a p p lic a tio n.

It fe a ture s a b a la nc e d XLR inp ut with
a Mic / Line switc h a nd a pa ra lle le d
b a la nc e d XLR o utput fo r c a sc a d ing
multip le sp e a ke rs. Re ar p a ne l
c o ntro ls a lso inc lud e Music a nd Vo ic e
e q ua liza tio n switc he s, a ro ta ry vo lum e
c o ntro l, a nd a n inp ut lim ite r.

The two b uilt-in p o we r a mp lifi e rs
p ro vid e 300W fo r the LF d rive r a nd
60W fo r the HF d rive r. The e nc lo sure
is c o nstruc te d o f hig h-stre ng th
p o lyp ro p yle ne , with M10 thre a d e d
inse rts o n a ll fo ur sid e s fo r rig g ing , a nd
a n inte g ra l lo c king 1-3/ 8" so c ke t in the
b o tto m fo r m o unting o n a sta nd a rd
spe a ke r sta nd .

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