16
.
AUX
This
controls
the
level
of
the
playback
inputs(RCA)
jack.
17.
iPhone
INPUT
Portable
device
input
interface,
such
as
iPhone.
18
.
MP3
Use
this
control
to
adjust
MP3
signal
level
sent
to
main
channel.
19
.
EFF
ECTS
DELAY
Use
this
control
to
adjust
the
delay
time
interval
of
echo
repeat.
20
.
EFF
ECTS
REPEAT
Use
this
control
to
adjust
reverberating
deepness.
21
.
EFF
ECTS
LEVEL
Use
this
control
to
adjust
signal
levels
of
echo
output.
B.BACK PANEL SECTION FEATURES
1.
SPEAKER
JACK
These
are
2
conductor
1/4”
speaker
outputs.
Each
one
is
rated
at
8
ohm
minimum
impedance.
Total
minimum
load
for
the
amplifier
is
4
ohms.
You
may
connect
either
1
‐
4
ohm,1
‐
8
ohm
or
2
‐
8
ohm
speaker
cabinets.
Do
not
go
below
rated
minimum
impedance.
2.
SEND/RETURN
Use
a
stereo
¼”
plug
to
send
and
return
a
preamp
signal
to
a
sound
processor
3
‐
4.TAPE
IN
AND
REC
OUT
The
TAPE
IN
allows
cassette
recorders
or
CD
players
to
be
added
to
the
Main
output.
The
RECORD
OUTPUT,
with
TAPE
RCA
jacks,
provides
signal
output
to
a
cassettedeck
or
Home
audio
equipment.
The
impedance
is
1K
ohms
@
‐
10dBv.
