14
tone is used, it makes no
difference whether or
not
the
tape is dbx
Type ll
encoded.
4. Adjust the
222'.s
LEVEL ADJUST
"TAPE PLAY"
control
so that on
louder
program passages,
when the
222's BYPASS and
PLAY
switches are alternately
pressed
in,
the
levels
are approximately
the
same
(or
so that the
1 kHz tone remains
at the same
volume
level when
switching
between
BYPASS
and
PLAY).
NOTE:
Due
to
changes in frequency response
caused by
pr*emphasis
and deemphasis in
the dbx
encoding
process,
concentrate on midrange frequencies
(e.9.,
vocals)
when
making
this comparison.
Disc Play Level
Adjustment
This adjustment is
provided
so
you
can
use
about
the
same
preamp
VOLUME control
setting whether
you
are
playing
a conventional
phonograph
record
(preamp
Tape monitor switch not
engaged) or
a
dbx
encoded disc
(preamp
Tape monitor
switch engaged and 222 DISC
and
PLAY
switches
pressed
in).
1.
Press
in the 222's DISC
and
PLAY
switches.
2. Set
your
preamp
as follows: INPUT SELECTOR
switch at
PHONO;
TAPE MONITOR
switch at
TAPE.
3.
Play
a dbx encoded disc
on
your phonograph.
'
4. Ad
just
the
222's
rear
panel
LEVE L ADJUST
"DISC PLAY"
control
so that,
on
moderately loud
passages,
the
levels
are
approximately the same when
the
preamp's
TAPE MONITOR
switch
is alternately
moved
between
SOURCE and
TAPE.
NOTE: Due
to
changes
in frequency response
caused by
pre-emphasis
and deemphasis in
the dbx encoding
process,
concentrate
on
midrange
frequencies
(e.9.,
vocals)
when making
this comparison.
dbx
PRODUCT
WARRANTY &
FACTORY SERVICE
All dbx
products
are
covered by
a
limited warranty.
Consult
your
warranty
card
or
your
local dealer for full
details.
The dbx
Customer
Service
Department is
prepared
to
give
additional assistance
in
the
use
of this
product.
All
questions
regarding interfacing dbx equipment with
your
system, service
information
or
information
on
special
applications
will
be
answered.
You
may
call
during
normal business
hours
-
Telephone: 617-964-3210
Telex:
92-2522,
or write to:
dbx, lnc.
71 Chapel Street
,
Newton, MA
02195
Attn:
Customer
Seruice
Department
Should it
become
necessary to have
your
equipment
factory serviced:
1.
Please repack the
unit,
including a note describing
the
problem
along with the day,
month
and
year
of
purchase.
2. Send the
unit,
freight
prepaid,
to:
dbx, Inc.
224 Calvary Street
Waltham,
MA
02154
Attn:
Repair Department
3.
We
recommend
that
you
insure
the
package
and
send
it via United
Parcel
Service wherever
possible.
4. Please
direct all inquiries to dbx Customer Service
Department.
Outside the
U.S.A.-
contact
your
nearest dbx
dealer
for
name and
address of the nearest authorized
repair
center.
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