Studio Projects sp828 User Manual
11
10
PR
OBLEMS
Studio
Projects
electronics
are
extremely
resistant
to
physical
damage,
but
if
the
unit
fails
to
work
after
being
dropped,
it
should
be
returned
in
adequate
packing
to
the
supplier
. A
double
test
and
inspection
system
means
that
manu
-
facturing
faults
are
non-existent
but
should
any
fault
occur
,
it
will
be
repaired
(or
replaced)
free
of
charge
except
where
the
fault
has
been
caused
by
physi
-
cal
damage.
(SEE
W
ARRANTY
INFORMA
TION)
ORIGINS
AND
MANUF
A
CTURE
S
tu
di
o
P
ro
je
ct
s
E
le
ct
ro
ni
cs
a
re
e
nt
ire
ly
d
es
ig
ne
d
in
t
he
U
S
A
.
T
he
y
ar
e
m
an
u-
fa
ct
ur
ed
i
n
C
hi
na
u
nd
er
s
tr
ic
t
gu
id
el
in
es
s
et
b
y
P
M
I
A
ud
io
G
ro
up
G
ar
de
na
,
C
al
ifo
rn
a.
A
ll
S
tu
di
o
P
ro
je
ct
s
el
ec
tr
on
ic
s
ar
e
in
sp
ec
te
d
an
d
te
st
ed
a
t t
he
fa
ct
or
y,
th
en
in
sp
ec
te
d
an
d
te
st
ed
a
ga
in
a
t
P
M
I A
ud
io
G
ro
up
s
fa
ci
lit
y
pr
io
r
to
s
hi
pp
in
g.
S
tu
di
o
P
ro
je
ct
s
el
ec
tr
on
ic
s
m
ee
t t
he
r
eq
ui
re
m
en
ts
o
f e
le
ct
ro
ni
c
eq
ui
pm
en
t s
ol
d
bo
th
in
th
e
U
S
A
, C
an
ad
a,
a
nd
th
e
E
ur
op
ea
n
U
ni
on
. A
ll
S
tu
di
o
P
ro
je
ct
s
pr
od
uc
ts
ar
e
C
E
A
pp
ro
ve
d,
a
nd
a
ll
po
w
er
s
up
pl
ie
s
ar
e
U
L
ra
te
d.
DECLARA
TION
OF
CONFORMITY
This
analog
audio
processing
equipment
conforms
to
the
standards
and
requirements
of
the
European
Economic
Community
.
The
EC
Harmonized
standards
that
have
been
applied
are;
a)
Electrical
equipment
(safety)
Regulations
1994
(S.I.
1994/3260)
b)
Electromagnetic
Compatibility
Directive
(89/336/EEC)
incorporating
(S.I.
1992/2372)
TR
OUBLESHOO
TING
1)
T
he
micr
ophone
doesn
’t
w
or
k!
Have
you
got
something
plugged
into
the
INSTRUMENT
input
or
is
the
mic/line
set
incorrectly?
(this
can
disable
the
microphone
input)
Is
the
phantom
power
on?
(capacitor
microphones).
If
there
is
indication
on
the
VU
LED,
is
the
output
volume
control
turned
down?
2)
Got
signal
going
thr
ough
but
no
output?
Is
there
enough
signal?
Use
plenty
of
drive.
Is
t
h
e
o
u
tp
u
t
g
a
in
c
o
n
tr
o
l
tu
rn
e
d
u
p
,
a
n
d
d
o
y
o
u
h
a
ve
a
p
ro
p
e
rl
y
w
o
rk
-
in
g
monitor
system?
3)
I
don
’t
get
any
po
w
er!
Is
t
h
e
s
u
p
p
lie
d
p
o
w
e
r
su
p
p
ly
p
lu
g
g
e
d
in
c
o
rr
e
ct
ly
?
M
a
ke
s
u
re
t
h
e
b
a
rr
e
l
connector
is
pushed
all
the
way
into
the
socket,
and
be
sure
you
have
available
power
to
the
supply
.
SP828
SPECIFICA
TIONS
Input
Channel:
XLR
in
to
TRS
Out
F
requenc
y
R
esponse:
20Hz
–
20kHz
•
+0/-0.5B
(Ref
1kHz)
THD+Noise:
<0.0002%
THD
20Hz
to
20kHz
at
-20dBu
In,
+15dBu
out
(35dB
gain)
Phase
Shift:
<+/-10
degrees
20Hz
to
20kHz
Gain
Range:
10dB
to
65dB
P
ad:
-25db
P
olarity:
Reverse
(-180
degrees)
XLR
Input:
2k5
ohms
Balanced,
Pin
2
hot
EIN:
<-127dBu
(@150
ohm,
60
dB
gain)
Max
V
oltage
Gain:
XLR-In
to
Chan
Balanced
Out=65dB
TRS
Line
Input:
15k
ohms
Balance
Max
V
oltage
Gain:
TRS-In
To
Chan
Balanced
Out=40dB
Channel
Output:
Gnd-Compensated/Impendance
Bal
TRS
•
Max
Out=+21dBu
Mix
Outputs
Mix
Gain:
Channel
to
L
or
R
Output:
+10dB
Mix
Inser
t
P
oints:
TRS
Jack
•
T
ip=Send,
Ring=Return
Mix
Insert
Levels=-2dBu
Package
Info
P
o
w
er
R
equir
ements:
18V
AC,
750mA
Siz
e:
17.2”
x
5.8”
x
1.75”
(IU)
sp828 manual.indd
2/22/05, 11:07 AM
12-13