Shure 414C User Guide
222
HARTREY AVE., EVA,NSTON. IL.
AREACOOE312/328-9000 - CABLE SHUREMICRO
60204
U.S.A.
"RANGER
MODEL
4146
MICROPHONE
Controlled Magnetic Transistor Amplifier Hand Microphone
11"
General:
Microphone
signed for clear, crisp, natural voice response of
intelligibility.
The microphone features:
0
A
the current available from a carbon microphone
circuit, making the
carbon microphones in most carbon circuits.
Frequency response from
cially tailored for voice communication use.
0
Extremely rugged high impact "Armo-Dur" caseboth lighter and stronger than die-cast metal cases
-comfortable to touch in hot or cold weather.
0
Single-throw, double-pole, leaf type switch designed
to stand up under severe operating conditions and
constant usage.
0
A
space in portable equipment that
and firmly in the palm of the hand.
e
Ruggedness and dependability under all operating
conditions.
0
Long life, neoprene jacketed coiled cord.
The Model
for all types of outdoor-indoor communications activities in
mobile and fixed station use, as in Police, Fire, Utility,
Forestry, and Transportation Services; Commercial; Industrial-including radio telephone, amateur radio and similar
applications. The microphone
outdoor and indoor public-address. The output signal, due
to the transistor amplifier,
up to
100
The Model
is
a small size Controlled Magnetic unit de-
414C
Transistor Amplifier Hand
high
transistor amplifier within the case, powered by
414C
directly replaceable for
200
to
4,000
cps, espe-
small, light, and compact case taking minimum
fits
comfortably
414C
Microphone
feet of unshielded cable.
is
especially recommended
is
unusually suitable for severe
is
sufficient to permit the use of
D.C. Volfage Across
Energized Microphone:
Case:
Cable:
Switch:
Dimensions:
from 6 to
(will work with somewhat
reduced outwt down to
21/2
volts
High
impact "Armo-Dur".
4-conductorI neoprene
jacketed, coil cord.
Single-throw, double-pole,
leaf type.
See Figure
12
volts d.c.
d.'c.)
A.
"Itage
Furnished Accessory:
with a
with associated equipment. The bracket has mounting holes
with clearance for
94,4242
Mounting Bracket for permanent p acement
No.
8
screws. See Figure
S
PECl
Frequency Response:
Output Level:
*
0
db
=
I
volt with
I
microbar
I
=
100
I
dyne per square centimeter.
Load Impedance:
Copyright
27A328
(MB)
1965,
Shure Brothers Inc.
The microphone
Fl CAT1
200
-1.5
6
load.
microbars
Recommended
I00
E.
ON
S
to
4,000
HZ
db*
or
.83
volts dc and
to
1000
ohms.
is
AC
provided
volt using
500
ohm
load
(OVER)
OVERALL
FIGURE
DIMENSIONS
(39.7rnrn)
A
Printed in
U.S.A.
ounting:
Shipping
Weight:
Conmectioils
of the Model
BUTTON MOVEMENT
GONNECTIQN
414C
SOLDERED\
INTERNAL
Bracket supplied. See
Figure
8
13
and
Operation:
are shown in Figure
CONNECTIONS
FIGURE
B
E.
ounces
(227
ounces
(368
Internal connection
B.
grams)
grams)
1
POWER
SOURCE
SUPPLY
n
BASIC
-L
@...-
OPERATING
FIGURE
C
COUPLING
CONDENSER
*RELAY
CIRCUIT
CIRCUIT
TRANSFORMER
II
A-
The Model
loads from
voltage
(across points
EXCEED
STANTIALLY
PHONE.
be
used
inoperative.
CAUTION:
Microphone be in the operating circuit at the time the
microphone input voltage
to follow the proper schematic polarity as shown in Figure
D,
or the transistor amplifier will be inoperative. In mobile
communication equipment installed in automobiles, verification of battery polarity
D.C.
The
D.C.
lent
suitable by-pass condenser
Figure
former primary
circuit.
Guaranh?:
use to be free from electrical and mechanical defects for
a period of one year from the date of purchase. Please
retain proof of purchase date.
parts and labor.
Skippinfg
return
it
return the uni+ to your dealer or Authorized Shure Service
Center for repair.
414C
can be used over a range of resistive
100
to
1,000
ohms: however, the applied dc
"E"
(See Figure
X
and Y with switch closed)
12
VOLTS.
REDUCE
D6
voltages less than
as
the transistor amplifier may become
It
Source Voltage can be replaced
Power Supply Voltage Divider equipped with
D,
also, shows that R has been replaced
-
typical of a basic carbon microphone
This
In§*rUc*bnS:
prepaid to the factory.
The
C)
to the transistor amplifier
MUST
EXCESS WOLTAGES
THE
LIFE
OF
2-1/2
is
imperative that the Model
is
measured.
is
very important.
"C"
as shown in Figure
Shure product
unit will be returned to you prepaid.
is
guaranteed in normal
This
guarantee includes all
Carefully repack the unit and
If
outside the United States,
MAY
THE
MICRB-
volts must not
It
is
also important
by
an equiva-
D.
by
a trans-
NOT
SUB-
414C
W
I
ti
-'&O*.OolO
(9.7
mm)
OPERATING
FIGURE
MOUNTING
CLEARANCE
N0.8
MOUNTING
FIGURE
-L
-
CIRCUIT
D
HOLE
FOR
SCREW
(34.5
BRACKET
E
*RELAY CIRCUIT
7
mm)
400*.0~0
(10.2
mm)
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