Features
of
B'l'C
Model
940
Multiple Play
Manual
Turntable
1
Cycie
button-feather
touch
conirol
activates
all
turntable
:lurrCtiOns
2"
Tcnearm
f
inger lift-human-
engineered
f
or
positive,
secure
rnanual
handling
of tonearm.
3.
Program-selects
manual
or
automatic
operation,
shut-off
and
number
of
plays.
4
Cartridge
shell
retaining screw-
locks
shellfirmly
in
place.
5,
Tonearm
rest-extended
for
stylus
and
cartridge
protection.
6.
Tonearm lock-prevents
damage
during transport or
accidental
jarring.
7.
Speed selector-shifts
drive
belt
f
or 331/z
rpm
or
45 rpm
rotation.
B.
Tonearm set-down
adjustment-
adjusts set-down
position
of
stylus
at edge
of
record.
9.
Cueing lever-initiates
safe,
damped lowering
or
raising of
tonearm or can
be used as
pause
co
ntrol.
1 0.
Anti-skate f
orce ad
justment
knob
-sets
correspond
ing a
nti-skate
f
o
rce.
11. Tracking force indicatol-sslg
desired tracking force
f
rom 0 to
4
grams.
12.
lsolated
tonearm
counterweight
permits
dynamic
zero balancing
ot
entire tonearm,
while
insuring
maximum
damping
13 Precision
gimbal
bearings-for
minimal
ho
rizontal
and
vertical
pivotal
f
rictio
n.
14. 12"
diecast
platter-solid,
one-
piece
precision
casting
has
computer
optirnized
mass.
15.
Removable manual
spindle,
1
6.
Automatic spind
le-su
pports
records
duri ng
automatic
record
play
17
.
Record
support-platform
stabilizes
records
placed
on
spindle
for
safe
two-point
support
during automatic
play.
18. Elastomer
suspension
mounts
-correlated
to the
mass of
the
turntable
assembly
for maximum
isolation
from
external
shock
in
all
planes.
19.
Synchronous
24
pole
motor-oper-
ates
at
slow, vibration-free
300
rpm.
(18
and
19
pertain
to
underside of
unit
not shown)
The
B.l.C
Multiple
Piay
Manual
Turntable
represents
the culmination of
many
years
of engineering
design
effort
directed
towards the development of a
superior
rnanual
turntable
equipped
with
auto-
matic,
multiple
record
playing
facilities.
Its drive system
utilizes a slow speed
(300
rpm)
24
pole
synchronous
motor,
and belt
drive,
previously
found
only
in
fine
manual
turntables.This
results
in
significantly
reduced rumble, wow, and
flutter since
idler-pulleys
are
totally
eliminated
The Model 940
maintains
precise
speed
over
a wide
ran
ge
of
power
line voltages, since
its motor's rotational
rate is determined solely
by
power
line
f requency
(50
Hz
or 60
Hz).
The
tonearm system
features minimal
friction bearings, low mass and
resonance,
stylus
force, and
tonearm
balancing and an
isolated counterweight
to maintain optimal
tracking
force from
the
first to last
record
played.
Another
exclusive
feature,
a
pivotable
cartridge
shell,
permits
easy cartridge
installation.
The
programmer
system
eliminates
the
i n
herent shortcomings
of conventional
turntables
because
its
action
is inde-
pendent
of erratic spindle-sensing
mechanisms
or
di
mensional
variations
of
records.
The
programmer
allows
for
totally manual
play
or
automatic
play
of
single records,
repeat
playing
of single
records,
programmed
pl?y
of up
to six
records, or
automatic
play
of multiple
records
with
programmed
repeatability
of
the last
record,
all
by
means of
a
single
touch
button.
The
suspension system
has
been
designed
to
prevent
mechanical or
acoustic
vi
bration coupli ng, thereby
permitting you
to take f
ull advantage of
the wide dynamic
musical
range
now
available
in
modern
disc recordings.
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