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Boss DD-2 User Manual

Boss DD-2
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CAUTIONS
@
When
you
do
not
use
the
unit
for
a
long
®
Be
sure
to
keep
the
battery
snapped
by
period,
remove
the
battery
to
prevent
connector
into
the
housing,
when
using
current
leakage
and
leaking
of
sticky
AC
adaptor,
too.
substance.
*Even
if
AC
Adaptor
cord
comes
out
e@When
battery
voltage
drops,
effect
during
performance,
operations
imme-
becomes
inferior
or
no
sound
is
pro-
diately
changes
to
battery,
causing
no
duced.
To
prevent
that,
replace
the
trouble
in
continuing
performance.
battery
a
little
earlier.
®@
Power
is
switched
on
while
a
plug
is
put
into
input
jack.
When-you
do
not
use,
keep
the
plug
off
the
jack.
AC
ADAPTOR
(OPTION)
@For
AC
operation,
be
sure
to
use
the
BOSS
AC
Adaptor
PSA-120,
220
or
240
depending
on
the
voltage
system
in
your
country,
and
never
use
one
Adaptor
for
two
units
simultaneously.
CAUTIONS
FOR
REPLACING
AND
HANDLING
BATTERY
REPLACING
BATTERY
USE
ONE
9-VOLT
BATTERY.
PEDAL(COVER)
THUMB
SCREW
@Loosen
the
screw
of
pedal
to
open
it
and
take
out
battery
from
its
housing.
@
Replace
the
battery
by
a
new
one
and
put
it
into
position.
@Set
coil
spring
onto
the
SPRING
BASE
on
the
back
of
the
pedal
and
shut
the
cover
(pedal). Finally,
insert
the
screw
into
the
pedal
guide
and
tighten
it.
At
this
time,
be
careful
not
to
catch
the
battery
strap
in
the
cover
or
coil
spring.
CONNECTOR
STRAP
FEATURES
e
The
DD-2
is
the
first
compact
digital
delay.
The
DD-2
allows
wider
range
of
delay
time
(12.5ms
to
800ms)
and
frequency
response
(40Hz
to
7kHz/
#3
dB)
than
conventional
analog
sys-
tem
one.
®@
The
Pedal!
Switch
has
double
duty
of
Effect
ON/OFF
and
Hold
ON/OFF.
Hold
Effect
is
made
attainable
by
its
digital
system.
e@2
Output
system
allows
to
select
Mono
or
Stereo
out.
NOTICE
@
Please
be
sure
to
use
the
AC
Adaptor
BOSS
PSA-series
depending
on
the
voltage
system
in
your
country.
ACA-series
can
not
be
used,
as
the
DD-2
consumes
more
courrent
(55mA
9V
DC)
than
usual
compact
effect
units.
@
The
battery
(one
Dry
Battery,
9V)
will last
for
30
minutes
to
2
hours
(manganese)
or
5
to
10
hours
(alkaline),
depening
on
the
conditions.
The
use
of
a
BOSS
PSA-Adaptor
is
recommended
for
a
long
time
performance.
©
Avoid
using
this
unit
in
extreme
heat
or
humidity,
or
where
it
may
be
affected
by
dust.
SPECIFICATIONS
POWER
QV
DC
Dry
Battery,
AC
ADAPTOR
(PSA-120,
220
or
240)
CURRENT
DRAW
45mA
~
65mA
(9V
DC)
CONTROLS
EFFECT
LEVEL,
FEEDBACK,
DELAY
TIME,
MODE
SELECTOR
SWITCH
OTHERS
NORMAL/EFFECT
CHANGEOVER
(HOLD
ON/OFF)
FOOT
SWITCH
JACKS
INPUT,
DIRECT
OUTPUT,
MAIN
OUTPUT
AC
ADAPTOR
(PSA-120,
220
or
240)
SYSTEM
ANALOG
LOGALITHMIC
COMPRESSION
AND
12
BITS
QUANTIZING
SYSTEM
DELAY
TIME
12.5ms(MIN)
to
800ms(MAX)
S(SHORT)
50ms
(12.5ms
to
50ms)
M(MIDDLE)
200ms
(50ms
to
200ms)
L({LONG)
800ms
(200ms
to
800ms)
HOLD
TIME
200ms(MIN)
to
800ms(MAX)
in
Hold
mode
DELAY
SOUND:40Hz
to
7kHz/
74
dB
DIRECT
SOUND:
10Hz
to
60kH2/
+3
dB
95dBm(IHF-A)
FREQUENCY
RESPONSE
RESIDUAL
NOISE
INPUT
IMPEDANCE
IMQ
OUTPUT
LOAD
IMPEDANCE
10kQ
or
more
DIMENSIONS
70(W)x55(H)x125(D)mm/
2-3/4(W)x2-3/16(H)x5(D)in.
WEIGHT
450g/1
Ib.
*The
specifications
are
subject
to
change
without
notice.

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Boss DD-2 Specifications

General IconGeneral
Effect TypeDigital Delay
ControlsDelay Time, Feedback, Effect Level
BypassBuffered Bypass
Power Supply9V DC
Input Impedance1 MΩ
Output Impedance1 kΩ
Current Draw55 mA
Inputs1 x 1/4"
Outputs1 x 1/4"
Dimensions73 mm (W) x 129 mm (D) x 59 mm (H)

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