Crest Audio FA901 User manual

CFTEST
A rE)lo FA9
OI
Crest'sFA90l is
o high
quolity,
costeffective
omplifier,
designed
primorily
for
usein
fixed
instollotions
ond
retoil
opplicotions.
FA
Series
omplifiers
employ
mony
of
the
feotures
used
in
Crest's
Professionol
Series
omplifiers,
ond
offersonic
performonce
ondreliobility
previously
unovoilobleinthis
priceronge.
Crest'sFA Seriesis constructedfrom the some
high-grode
components
os the
Professionol
Series.
FA's
oredesignedto
operotereliobly
into
loods
downto
2e.They
offer
severollevels
ofprotection
ogoinst
clipping,
elevotedtemperotures,
ondDC.
Like
oll
Crest
omplifiers,theFA's
ore totolly modulor,
ond useon ultro-strong
chossis.
Developed
primorily
os o cost
effective
omplifier,theFA'smony
feotures
ond superior
overoll
performoncemoke
themideol
for
o wide voriety
ofsoundreinforcement
opplicotions.
POWER
SPECIFICATIONS
FTCI
2QHz
- 2OkHz
<0.1%THD
EIA
otIkHz
<0.05%
THD
8ohms
slereo
4 ohmsslrereo
2ohmssbreo
I ohmsbridged
4ohms
bridged
225wotts
300
400',2
600
800r,2
280
wotts
350
4/,O3
750
8751,2

GENERAT
SPECIFICATIONS
Mox RllS Voltoge Swing 49V, eochchonnel
Mox Peok Voltoge Swing 69V,eoch
chonnel
FrequencyResponse 20 Hz
-20 kHz;
+0,
ot300W FA9OI
Mqx CurrenfDrow ,]3.5A.
l20V
THD <0.025%@300w
into
4ohms, lkHz
S'IIPTE
I}ID
Input lmpedonce 2Okohms.
bolonced
Cooling VorioblesoeedDCfon
Confrols 2 frontponel ottenuotors,
reorponelmodeswitch,
signolgroundlift
iumper
lndicolors 2Clip
LEDs,2 Signol LEDs,
2Iemp/DC LEDs,Power-OnLED
Protection Hightemperoture,DC,turnon,
ondshortcircuit
protection,
IGM*
Construction Singleboxchossis,16go.steel
w/ O.1BZ"oluminum
front
ponel
Dimensions 3.5"/B.9cm
x 19"/4B.3cmx 1
3.5"/34.3cm
(,]4.5",/36.8cm
toreorofconnectors)
Gross
Weight 36 lbs
(16.a
ks)
Net Weight 33
lbs
(15
ks)
Werronty 2 yeors,ports ond
lobor
rConlinuous
sine
wove bench power is limitedby currentrotlng of front
ponel circuil
breoker
ond IGM circuit.
'Subiect to voriotion due lo production loleronces.
3ElA,
I kHz, 0.05% THD,rldB.
<0.015%
@
225W into8 ohms
(60 Hz ond7 kllzl
Slew Rote >14V
/ ps,
input
filterbypossed
Domping Fsctor 5OO:
l. I kHz@8ohms
Intput CIIRR greoter
thon
90dB
Volroge Goin 55X
stondord,
othersovoiloble
onrequest
Inpur Sensitivity .775V
(0
dBU)for
fullpower
ot8ohms
Humond Noise -l03.2d8, "A"
weightea
Conneclors (pcr
ch.) FemoleXLR
(pin
3 hot),
Octol
Send/Return
sockets,
5-woy
outputbinding
posts
Power Supply I.3kVApower
tronsformer,
29,200
pf
filtercopocitonce
'lGMr' Inrtontoncous Goin Modulorion
Architccts ond Engineers Specificotions
The
mwor omolifiershollconsisl
of 2 chonnelsonddalivor
o minimum
of 225 wotis
lnlo
8(), 300 wofisinto4l]
ond 4OOwoil; into 20; per chonnel, both chonnels driven, 2OHz-2OkHz In bridged mode, theomplifier will
deliver 600 wotls into 8fl ond 800 wotis into o 4Q lood, 2OHz-2OkHz.
Theomplifiersholl
incorporote
prot{tion circuilryogoinsl
outpulshortcircuils,
DC voltogeon oulpuls,
lhermol
overlod, ond
lod prolelion due
lo
ony
{ormo[omplifier
loilure.ltwillinclude
impedoncesensingcircuiiry,ond
on RMS cliplimit€r.
lnslereoor porollel operolion,
th€
ompli{ier
shollhoveo voltogegoinof 55X with on inpuls€nsilivilyof 7/5V
for roied
power
ot 80. Thehumond noiselevolshollbe ol leost-103.7d8belowrotedoutput,
"A" weighled
lnt€rmodulotiondistortionsholl
be less
thon
0.0I 5% f.om250 milliwonsrcfullroted
power.
The
omplifier
sholl
hove o clossAB oulput stogo. Thefrequency rosponsesholl be greoler thon 2OHz-2OkHz, +0, 5dB ot roted
Theomplifierwilloperoleolei$erl20or240vohs,50-ö0HzAC(configuredolfoclory)
Moximumcurenl
drow ot I 20V shollbe no greolerthon 1
24 (limited by fronlponel breoker
forbench lesls),
bothchonnels
driven
continuouslyinloo 2O resisior.
FroniponeliÄdicoiorsshollincludeProlect,Signol
Present
ondClipLED'sforeochchonnel,ondosinglePower
On LED.
Frontponelgoln potsshol be recessedond detenled.
Inputconneclorsshollbe XLRtype,3 pin conneciors
(withpin 3 positive)ond screwlerminols.
Ouipul
conneclors
shollbe 5-woy binding
posls,
ond screw
ierminols
Oclol sockets
will be providedforoplionol
occessory
modules,ondo signol/ground
l;fi
lumper
shollbe provided
Thepockogingoflheompl
i{ier
shol
I
ollow
ior
slondord
rocl mountrngwrlhoutrequrring
spocebetueensimilor
unirs.
DimensionsshollbeI9" (48.3cm)w'de, 3.5"
(8.9cm)high
ond
I
3 5"
{34
3cm)deep,
{
14.5"/36.Bcm
roreorconnecrors).Nerweighfshollbe 33 lbs
{15kg).
Theomolifiershollbedesionoted
the
Crest
Audio Model FA90l
Cr.cstAudio ncrcrva3 rhc righr to moke chonget or improvemenls in
monufccluring or dcsign which moy offect specificotions. oo---
öGREST J rDlO
power is serious business.
CRESTAUDIO lNC. 150 FlorenceAvenue Hawthorne,
NewJersey 07506 USA Tel: (2O1)423-1300 FAX: (2O1)423-2977