Shure EC User Guide
Shure
Brothers Incorporated
222 Hartrey A
venue
Evanston IL 60202-3696 U.S.A.
EC SERIES WIRELESS MICROPHONE SYSTEMS
GENERAL
The
Shure EC Series wireless microphone systems are confi
gurable, single-channel systems operating in the VHF band between 169.445 MHz and 216.100 MHz. All EC systems feature
state-of-the-art,
to generate an exceptionally clean, low-noise signal. This built-in
frequency
multiple
trol
cian
ceiver.
SYSTEM COMPONENTS
Microphone-Transmitter
lavalier microphon
EC4 Receiver.
hand-held microphone with a built-in transmitter. It features PLL
frequency control, an external antenna for increased range and
freedom from dropouts, superb frequency response, extended
dynamic
heavy-duty
models:
•
wireless
circuit is also programmable, so
can change the carrier
Each EC wireless system consists of a handheld EC2
EC2 Hand-Held Microphone-Transmitter. The EC2 is a
EC2/58, which includes the world-famous Shure SM58 cardioid
dynamic
• EC2/87,
microphone.
• EC2/Beta
namic
• EC2/Beta 87, which features Shure’s premium supercardioid
condenser
EC1
Body-Pack T
control, extended dynamic range, a universal input, a battery test
light, noiseless muting, and a rugged case.
WL93A Micro-Lavalier Microphone: The WL93A is an
omnidirectional micro-lavalier electret condenser microphone
that
p
lugs int
phase-locked loop (PLL) digital frequency control
control makes EC systems ideal for installations where
systems are to be used. The PLL frequency con
frequency of any EC transmitter and re
o
e o
range, an LED status indicator
grille with built-in pop
microphone.
which includes Shure’
58, which features Shure’s premium supercardioid dy
Beta 58 vocal microphone.
Beta 87 vocal microphone.
o the m
r a
r a W
A30
ransmitter.
icrophon
any factory-authorized techni
n EC1 B
ody-Pac
2 i
ntrumen
filter
. The EC2 is supplied in four
s SM87 supercardioid condenser
The EC1 features PLL frequency
e i
npu
t on the EC1 B
k T
ransmitte
t a
dapte
r c
able
, rugged metal handle, and
ody-Pack
r with a
, and a
EC Series W
Transmitter.
and
-
-
-
-
n
-
low RF susceptibility. The WL93 can also be used as a pickup
for acoustic instruments such as guitar, woodwinds and strings.
The
WL84 supercardioid lavalier is also available.
WA302 Instrument Adapter Cable: The WA302 instrument
adapter cable plugs into the EC1 Body-Pack Transmitter. It is designed for use with electric guitar and other electric instruments
EC4 Diversity Receiver. The EC4 features Shure’s exclusive
MARCAD (MAximum
With MARCAD, the EC4 constantly monitors signals on each of
two receivers and combines them when both signals are usable.
The result is increased
tional
freedom from dropouts. The EC4 also uses PLL frequency
control
to lock onto a precise carrier frequency
bility
of interference from local sources.
PERFORMANCE CHARACTERISTICS
Operating
figured
to operate interference-free on one of 28 standard frequen
cies.
Frequency changes can be made by factory authorized ser
vice personnel.
Multiple System Installations. Up to 15 EC Series systems
can be o
termodulation
a
d
ifferen
Directional
rectiona
of RF energy in all directions. Similarly, the receiver antenna is
equally sensitive in all directions in the horizontal plane when
mounted vertically.
range
cessful operation at up to 1000 feet (300 meters) is often accomplished. Conditions at the installation site (reflective surfaces, obstacles, radio interference, etc.) will ultimately dictate the system’s
operating range.
any
Vac
mitters operate on most 9 volt alkaline batteries. Battery life depends
mended).
l i
Operating Range. The recommended maximum operating
for a
Power
filtered 12.5 to 18 Vdc, 200 mA power source. A separate 120
adapter is included with
on the type and brand of battery (Duracell MN1604 recom
ireless Systems User Guide
It features smooth frequency response, low distortion
Ratio Combining Audio Diversity)
RF gain, improved reception, and excep
, reducing the possi
Frequencies.
perate
d s
imultaneousl
p
roblems
t f
requency.
S
ensitivity. Th
n the h
orizonta
ny EC syste
Requirements.
Shure EC wireless systems are con
y in a s
ingl
e i
erie
182.
nstallatio
ystem mus
s t
ransmitter
adiat
8 m
eters)
. H
owever
, each s
e E
l p
m i
C S
lane
; that is, they r
s 60
0 feet (
The EC4 receiver can be operated from
each system. The EC2 and EC1 trans
n w
t o
s are o
e e
qua
, a
lthough suc-
circuitry
ithou
perat
mnidi-
l a
mounts
t i
e a
.
.
-
-
-
-
-
n-
t
-
-
1996, Shure Brothers Inc.
27A8435
(P
A)
Printed in U.S.A.
EC
Á
Á
Á
Á
2 M
ICROPHONE–TRANSMITTER
FEATURES AND CONTROLS (FIGUR
1
2
7
(EC2/BETA 58 S
4
3
5
6
E 1
8
EC11 BODY–PACK TRANSMITTER
)
9
HOWN)
FEATURES AND CONTROLS (FIGUR
1
2
3
4
EC11
BODY-PACK TRANSMITTER FEA
6
5
9
FIGURE
2
E 2
)
7
10
TURES AND CONTROLS
8
EC2 MICROPHONE–TRANSMITTE
1. Grille: Protect
minimize
g
ferent
2.
Set Screw:
3. Antenna: The EC
with a f
na
tor
and the a
s the m
icrophon
b
reat
h and wind n
rille styling.)
Loosen only to change microphone heads.
2 uses a r
emal
e SMA c
ntenn
a are c
FIGURE
oise
eplaceabl
onnector
olor–code
R F
EATURE
1
e e
lemen
. (The v
. The t
d with w
S A
ND CONTROLS
t o
f the EC2, and h
ariou
s m
e e
xterna
ransmitte
hite
r SMA c
, red, b
odel
l h
s have d
elica
l a
lue
low, green, or brown stripes that correspond to the system’s
operating frequency range. Make sure the connector and the
antenna shar
4. MIC ON/OF
phone
may o
that
vents
the r
5.
POWER ON/OFF Switch: Turns transmitter power on and
w
ithou
e t
he same color code.
F S
lid
e S
witch: Permit
t t
urnin
g the t
ccu
r when the m
eceive
r from p
ransmitte
icrophon
ickin
g up u
s user t
o “
mute
r off. This a
e i
s t
urne
d o
void
n o
nwanted signals.
” the m
s the “
r off and p
off.
6.
Battery Test Light: Illuminates when the POWER switch is
turned
o
n and a “
not
i
lluminate
7. Battery Compartment:
good
, the t
” b
atter
y is i
nstalled
. When this l
ransmitter wil
l n
ot work.
Unscrewing the handle and sliding it
igh
downward exposes the battery compartment and the audio
GAIN Switch (9).
8. Frequency Identification Label:
compartment,
ing frequency
this label lists the transmitter’s original operat
.
9. Audio HI/LO GAIN Switch:
Located inside the battery
Controls audio level of the
phone.
elps
nten-
onnec-
, y
el-
icropop”
re-
t d
oes
micro
1. INPUT Jack:
adapter
2.
Battery Test Light: Illuminates when the POWER switch is
if-
turned on and a “good” battery is installed. If this light does not
on, the t
turn
3.
MICROPHONE ON/OFF Switch: “Mutes” the microphone
without
4.
POWER ON/OFF Switch: T
5.
Antenna: A flexible antenna wire is permanently attached to
the
b
otto
the antenna must
The microphone cable or the W
cable plugs into this connector
t
urnin
ransmitter wil
g the t
l n
ransmitte
ot work.
r o
ff, s
o n
urns transmitter on and of
m o
f the b
ody-pac
k t
ransmitter
hang in the vertical position, not coiled or
A300 instrument
.
o “
pop” sounds occur.
.
Fo
r p
rope
r o
f.
peration,
bundled.
-
-
6. Audi
7.
8. Belt Clip:
9. TA4F
10.
o L
eve
l C
s
oun
ous
d s
justments (se
ontrol: Allow
ources
. A s
e page 5
mal
).
s a
udi
l s
crewdrive
o l
eve
r i
l a
djustment
s s
upplie
s for v
d t
o make a
ari-
Frequency Identification Label: This label identifies the
transmitter’s
original operating frequency
Allows the transmitter to be worn on
band
or guitar strap. It can be removed, if desired.
Microphone Cable Connector:
jack
on the body-pack transmitter
.
a belt, waist
Plugs into 4–pin input
.
Battery Compartment: Hinged cover on bottom surface
exposes
the battery compartment.
d-
-
2
EC
4 R
ECEIVER CONTROLS AND INDICATORS
(FIGUR
1.
2. DIVERSIT
E 3)
2
1
7
EC4
RECEIVER FEA
9
TURES AND CONTROLS
FIGURE 3
43
108
6
5
POWER ON Indicator: This green light glows when the
POWER
button is turned on.
Y S
igna
l I
ndicators: Yellow ligh
s glow t
o show u
able RF signals from antenna A, antenna B, or both. Normal
operation
these lights are
flickering
3. AUDIO NORMAL Indicator:
ly
4.
AUDIO PEAK Indicator: This light glows red to show ap-
is i
ndicate
d when e
not
l
ights may indicat
indicators of signal
ithe
r o
e m
arginally acceptable signals.
This green light flashes regular
to show normal audio operation.
r both l
ight
s g
strength
low
. Note t
, but barely
proaching audio overload condition. Normal operation will
cause
o
ccasiona
l f
lashin
g o
f this l
igh
t on loud s
ignals
; c
onstant
glowing indicates excessive audio level and need to lower
transmitter
5. VOLUME Rotary Control:
A
udio Gain switc
h o
r rotary control.
Determines signal level at both re
ceiver OUTPUT connectors.
6. POWE
7.
8.
R O
n/Of
f B
put
jack t
o the r
and remains o
utton: Applie
eceive
r c
n when p
ircuitry
owe
r i
s p
ower fro
. The g
s applie
m the D
ree
n P
d to the r
OWE
C p
R l
ight glows
eceiver.
owe
ANTENNA Connectors: UHF type connectors provide con-
nection
t
the
to th
c
oaxia
e o
o 1/4-wav
ptiona
l c
abl
e v
e i
n the o
l 1/2-wav
ertica
e h
l a
ntenna
ptiona
igh-gai
s s
upplie
l W
A42
0 A
n a
ntenn
ntennas (WA380).
d with the EC4, t
a C
abl
e Kit, o
12 VDC Negative Ground Coaxial POWER Jack: Accepts
power from the supplied ac adapter, or from any well filtered
12.5
to 1
8 V
dc (20
0 mA) p
9.
SQUELCH Screwdriver Control: Automatically quiets or
ower supply.
“mutes” the receiver when no transmitter signal is received.
This control is factory-set for optimum operation in most
applications,
the
“EC4
10.
OUTPUT Connectors: XLR connector provides balanced low
but can be adjusted for unusual conditions. See
Receiver Squelch Control Adjustment” paragraph.
impedance microphone-level output; 1/4-inch phone jack provides
u
nbalance
d a
uxiliar
y l
eve
l o
utpu
t t
o a
udi
o m
ixe
r o
r a
mplifier.
PRE-INSTALLATION REQUIREMENTS
Before
tem,
• A
attempting to install the EC wireless microphone sys
make sure you have the following items:
9V alkaline battery for the transmitter (Duracell MN1604 or
equivalent).
(NiCad)
A r
echargeable
b
attery may als
, h
o be u
eav
y duty 8.4V n
sed.
ickel-cadmium
• A microphone for the EC1 transmitter—either one designed
specifically for the transmitter (such as a Shure WL84 or
or a low impedance dynamic microphone
WL93),
with a micro
7
r i
hat
phone
adapter cable W
to
the electrical output of
cable
such as the Shure W
A310. If the system is to be connected
a musical instrument, an instrument
A302 must be used.
IMPORTANT: Other manufacturer’s microphones specified for
wireless use are generally
not
compatible, as supplied, with
Shure wireless systems.
• A receiver-to-mixer cable with a 3-pin XLR connector (for bal -
m
anced
cuit phon
receiver
EC
4 R
1. Plac
ceiver
and othe
2. If the r
icrophon
e plug on one end (for u
o
ECEIVER SETUP AND CONNECTIONS
e the r
near R
r d
eceiver is p
adhesive bumper
s-
receiver is to be rack mounted, remove the screws on each
side
of the r
the holes, and secure the brackets with the two removed
screws
and the t
3. Plu
g the A
-
the receiver.
4. Plug the A
5. Attac
h the s
nectors on the receiver. Make sure they are pointing up and
are
w
ithi
flecting
6. Attac
-
1
n the line o
o
h the a
/4-inch phone plug on the receiver end between the desired
EC4 OUTPUT connecto
n-
IMPORT ANT: Improved diversity receiver performance may be
obtained by remotely locating one or
are
s
eparate
WA380
o
r
1/2-Wav
application.
They may b
WA420 Antenn
both
a
ntenna
of th
e rack u
operate
u
p to four r
WA404 amplifie
T
ransmitter Battery Selection
Only
two types of batteries are
EC1
and EC2 transmitters:
•
9V
alkaline batteries (Duracell MN1604 or equivalent).A fresh
9V
alkaline battery should provide 7 hours of operation.
•Rechargeable,
. N
iCa
ies
IMPORTANT: Use
chargeable 8.4V NiCad battery. Carbon–zinc and zinc-chloride
batteries will not provide sufficient power for proper operation,
and
EC1 TRANSMITTER SETUP
EC1 T
1.
With the transmitter POWER ON/OFF switch in
tion,
-
OPEN
d b
are not recommended.
ransmitter Battery Installation
slide
arrow until the cover pivots open. See Figure 4 below
e l
eve
l EC4 r
eceive
r o
utput)
, o
r 1
/4-inc
h 2
-cir-
utput)
eceive
igita
eceive
, and a m
r i
n its o
F n
ois
e s
l d
evices (e.g., C
lace
s t
o the b
r c
ixe
r i
nput connecto
perating position
ource
s such a
d o
n a h
orizonta
otto
ase
, p
ositio
nbalance
D p
m c
n the m
s l
igh
layers an
l s
urface
orner
s o
ountin
d a
. A
t d
uxiliar
r o
n the o
voi
d p
immers
d d
, a
f the r
g b
y l
lacin
, c
igita
l d
ttac
eceiver
racket
eve
l E
ther.
g the r
omputers
elays).
h the f
our
. I
f t
s o
ver
wo supplied screws.
C a
dapte
r into the P
C a
dapte
r into a 1
upplie
d 1/4-wave antenna
f s
bjects wil
udi
d b
y 1.5 m
e H
l d
o c
onnectin
igh-Gai
eter
igh
egrade syste
e r
a C
abl
e K
b
e r
hur
its
emotel
s
sin
must
g the S
eceiver
d A
ntenna/DC Power Distributio
OWE
R jack o
20V
, 6
0 H
t o
f the t
ransmitter
m p
g c
abl
e with a
r and the m
s (60 i
n A
ntenna
emotel
. If the r
y l
e W
A44
ixe
b
oth antennas so tha
nches
) o
s are r
y l
ocate
eceive
ocate
d o
0 a
ccessor
s with only two a
n the rear p
z power source.
s t
o the A
NTENN
. O
bstruction
erformance.
n XLR c
r or a
r m
ore
onnecto
mplifie
. O
ptiona
ecommende
d u
sin
g one o
r i
s t
o b
e rack m
r m
ounte
d o
y r
ack-moun
ntennas
, use the S
n S
ystem.
ane
A c
s or r
r i
nput.
l S
d for t
r two S
ounted,
n the f
t kit. T
on-
r or a
t t
hey
hure
hure
ront
hure
recommended for use with the
h
eav
atterie
y duty 8.4V n
s w
ill only provid
only a 9
V a
ickel-cadmiu
e 1.5 t
lkalin
e b
o 2 h
attery o
m (
our
r a h
NiCad
) b
s o
f o
peration.
eavy-duty
atter-
, r
the OFF posi
the battery compartment access cover toward the
C4
he
l o
his
e-
f
e-
o
e-
.
3
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