RCA 77-DX - Page 12

8
LIST
OF PARTS
(Continued)
Description
Stock
No.
MI-
4045
-F
(Continued)
Strain relief,
black neoprene
58878
2-
5/16"
.1g.
with
0.308
dia. hole
Switch,
rotary,
single circuit,
50915
3
Pos.
screw
driver
slotted
shaft,
music
-voice
Reactor,
iron
core, impedance
at
97504
50 CPS,
0.5 v,
91 ohms, +7 %,
-5%
D.C.
res.
28 ohms, round
can
Transformer,
microphone,
tapped for
97503
30,
150,
250
ohms,
output
impedances
turns
ratio
1:23.5
±2%
round
can
Washer,
aluminum alloy, fork
swivel
thrust,
9/16"
0.D.
x
0.260
I.D.
x 0.190
thick
97502
Washer, stop, microphone
fork
swivel
stop washer,
9/16" 0.0.
x .0598 thick,
with
1/4"
x
95220
11/64"
elongated hole
in
center
MOTOR
ASSEMBLY
Clamp, ribbon,
top
large
54127
Clamp,
ribbon,
bottom large
54329
Clamp, ribbon
top
small
44446
Clamp, ribbon
bottom
small
52920
Indicator,
shutter
position,
indicator
and adjuster
56702
Plate,
shutter pressure,
.012 thick
phos.
bronze
2 -1/16"
lg.
x
7/16"
wide
50909
Ribbon,
microphone,
corrigated
aluminum foil,
2"
1g.
x .054 wide
45385
Screw, fil.
hd.
*1-72 x
5/16"
lg.
large
ribbon
clamps
97472
Screw,
fil.
hd.
*0-80
x 1/8" 1g.
small ribbon
clamps
54327
Shutter,
acoustic
tube,
.005 thick
phos.
bronze,
cam shaped
50910
MI- 11006
-C
Acoustic line
assy.
less
band
transformer
6
switch
93981
Bushing,
brass, microphone
fork
swivel, 0.296
lg.
x
0.373
0.D.
x
95223
0.261
I.D.
with
9/16" dia.
x 0.030
thick
shoulder
Clamp,
cable
clamp including
bushing
&
hardware
93972
Cushion, mtg.
assy.
complete
93973
Cushion,
rubber,
1" dia. x
9/16
thick with
1/4" dia. hole
in
center
44677
Fork, microphone
fork
casting
only,
with
1/8" pipe threaded
hole
in
base
and
1, 3/8" hole
in
ends of
prongs
93975
Gasket,
cable,
rubber,
7/16"
0.D.
x
9/32
I.D.
x
7/32" thick
44671
Nut,
cushion
retaining knurled
cap
nut,
with
*1-1/8-32
inside
thread
95221
Description
Stock
No.
Nut,
thumb, 1" dia.
x 3/16" thick,
with
1/8"
pipe threaded
hole
in
center,
fork
base
locking
93974
Nut,
thumb, knurled
fork
swivel, 95224
3/4" 0.D.
x
7/32" thick, with
*1 -4
-28 tapped hole
in center
Nut, knurled,
cable
guard spring
retaining,
5/8
0.D.
x 7/16"
lg.
with
9/16
-18
thread
50908
Plate,
designation,
for
poly-
directional
char.,
diamond
shape
with 1/4" dia. hole in
center,
and
2
mtg. holes
.104
dia.
205159
Reactor,
iron
core,
impedance
at 97504
50 CPS
0.5 v 91
ohms,
+7%,
-5%
D.C.
res. 28 ohms round
can
Screen
assy. comprising
front
6
rear
screen and band
93818
Screw,
for
screen 6
cover
52469
2 -56 x 3/16"
lg.
Spring, cable guard 44440
Stud,
cushion
mtg.
2 -3/32"
lg.
with 93817
1/8
pipe
thread one
end,
1/4
-20
x
3/8
lg.
thread other
end
Strain
relief,
neoprene
black,
58878
2 -5/16"
lg.
with 0.308
dia.
hole
Switch,
rotary,
single circuit,
50915
3 pos. screw driver slotted
shaft,
music
-voice
Washer, aluminum alloy,
fork
swivel
thrust, 9/16" 0.D.
x
0.260 I.D.,
97505
0.190
thick
Washer, stop,
microphone fork
swivel stop washer,
9/16" 0.D.
x
95225
.0598
thick with 1/4
x
11/64"
elongated
hole in
center
Transformer,
microphone,
tapped
for
30, 150,
250 ohms output
impedance turns
ratio; 23:5
97503
±2%,
round
can
MOTOR ASSEMBLY
Clamp, ribbon,
top
large
54127
Clamp, ribbon,
bottom large
54329
Clamp, ribbon,
top
small
44446
Clamp,
ribbon,
bottom
small
52920
Indicator,
shutter
position,
indicator
and
adjuster
56702
Plate,
shutter
pressure,
.012 thick
phos.
bronze
2 -1/16"
lg.
x
7/16"
wide
50909
Ribbon,
microphone,
corrigated
aluminum
foil,
2"
lg.
x 0.054 wide
45385
Screw,
fil.
hd.
*1 -72
x
5/16 1g.
for
large
ribbon
clamps
97472
Screw,
fil.
hd. N0 -80
x 1/8" lg.
small ribbon
clamps
54327
Shutter,
acoustic
tube,
.005 thick
phos.
bronze,
cam
shaped
50910