Service manual
Enable:
A
front
panel
push
button
used
to
turn
the
Stereo
mode
wid)~
both
~haanneIs
driven:
amplifier
on
and
off,
1,190
watts
per
channel
into
4
ohms.
800
watts
per
chaunef
iota
8
ohms,
Level:
A
front
panel
rotary
potentiometer
far
each
ehan-
nel
with
3
1
dstents,
used
$0
CB~~FOI
the
output
level.
Bridge-Mono
mode:
2,375
watts
inis
8
ohms.
Stsreomono:
A
three-pasitiaw back
panel
switch
used
1,595
watts
into
1
6
ohms.
to
select
either
Stereo,
Bridge-Mano
or
Parallel-Msns
Par~jIef-Mono
mode:
2,350
watts
into
2
ohms,
SsnsitivlQ:
A
three-position
switch
inside
the
P,l,I,p
corn-
1,588
watts
into
4
ohms.
partment
used
ta
select
the
input
sensitivity
for
both
ek?annefs:
6,795
ai
1.4
volts
for
standard
'I
kHz
pg;aw~r,
St~d8"o Refefcnce
H:
or
26
dB
voltage
gain,
S!W@Q
mode
wifh
both
cchanne/s
drjven:
565
waus
pea
channel
into
4
ohms.
Mater
OnfBff:
A
tws-position
switch
behind
the
front
360
watts
per
channel
into
8
ohms.
pane!
used
to
turn
the
front
panel
meters
on
or
off,
Bridge-Mono
m~d~r
3,
f
45
waEs
into
8
ohms,
720
wakk
into
16
ohms
Par8$/@/-Mono
mode:
7,135
watts
into
2
ohms.
"715
waE%
into
4
ohms,
Meter
Display
Mode:
A
twa-position
switch
behind
the
frsnt
panel
used
to
set
the
display
mudc
tor
ths
front
panel
meters.
Display modes
include
dynamic
range
af
the
output
signal
in
dB
or output
levels
in
dB.
Ground
Lift:
A
two-position
back
panel
switch
used
to
isslate the
irrput
phone
jack
and
AC
{chassis)
grounds.
Full
Bawdwidth
Butput
Pewer:
(20
Hr
lo
28
kHz)
Reset:
A
two-p~~ltion
back
panel
switch
used
fa
roset
the
AC
mains
circuit
b~eaker*
E@r@o
made
wjtfi
both
-lh~aanne/s
drivepa:
1,075
watts
per
chanaal
into
4
ohms.
2,4
lndicatars
768
watts
per
chaalnel
ir3Po
8
ohms.
Enable:
This
indicator
shows
the
on/M
status
of
the
unit's
How-voltage
power
supply
BrBdge-M~f?~
2,150
watts
into
8
ohms+
"3,535
watts
into
f
6
ohms.
$&2dio
Ref-K
St~f-sa
mode
wifk
bath
chhanng!~
db^ven:
495
watts
per
channel
into
4
ohms.
340
watts
per
chaanel
into
8 ohms.
Brid~e-Mgbf?~
mode:
1,020
watts
into 8
ohms.
698
watts into
16
ohms.
Load
Impedsn~e:
Safe
with
all
types
of
loads,
Raked
far
4
ts
8
ohms
in
stereo
mode,
8
ts
16
ohms
in
Bridge-
Mona made,
and
2
to
4.
ohms
in
ParalteI-Mon~
MO~G,
Required
AC
Mains:
56
or
60
Hz;
106,
120,
200,
220
or
240
VA6
(k
10%)<
Both
units
draw
90
watts
or
less
at
idle.
Signal::
Each
channel
has
a
signal inclicatar
that
flashes
to
show
audio
output.
i@C:
Each
channel
has
an
18C
indicator
%hat
flashes
if
the
output
waveform
differs
from
the
input
wavsform
by
0.85%
or
more.
The
LED$
act
as
sensitive
distsr-
tion
indicators
to provide
proof
of
di~f~rtian-free
per-
formance,
In
Paralfel-Mono
mode
the
channel
2
/0@
Ilght
stays
an.
0DEP:Each
channel
has
an
ODEPindieator that
shows
the channel's
resewe
energy
status,
Normally,
the
LEDs
are
brigfatly
tit
to
show
that
reserva
energy
is
available.
In
the
rare
event
that
a
channel
has
no
re-
serve,
its
indicator
wisi
dim
in
proportion
to
BDEPlim-