Shure FP22 Stereo Amplifier User Manual


 
4
POWER
STEREO
MONO
HEADPHONES
AB
0 dB
30dB
BAL
POWER/VOL
PULL FOR
MONO XLR VOL
Balance Control
(Outer ring of triple function Volume
control.) Overall headphone balance
control with cente
r d
etent.
LED Powe
r I
ndicator
Lights whe
n F
P2
2 i
s turne
d o
n.
Stereo/Mono Headphone Mode
Switch
Changes headphones from stereo
to mono. Especially useful when
monitoring monaural signal con-
nected
t
o stere
o l
in
e j
acks.
Tripl
e F
unctio
n V
olum
e C
ontrol
Incorporates On/Off switch, overall
Volume control (master volume), and
Mono XLR Volume (on the pullout).
Center–detented Mono XLR volume
at
n
omina
l l
evel.
Stere
o L
in
e P
ad
Reduces gain on Stereo Line sig-
nals by 30 dB. Especially useful
with signal levels of +4 dBm or
greater.
3.5 mm Stereo (3-Circuit) Mini
Headphone
Connectors
Mono or stereo program monitor
.
1
/
4
-Inch Stereo (3-Circuit) Head-
phone
Connectors
Mono or stereo program monitor; us
-
ing
these jacks disables 3.5mm jacks.
MIC
LINE
MONO XLR
LEVEL
12–24 Vdc
IN
+
Battery Compartment
Requires one 9 V alkaline battery
.
External Power Jack
Accepts external supply voltage
from 12 to 24 Vdc (such as Shure
PS20 or PS20E Power Supplies).
Tip
is positive, sleeve is negative.
Mono
XLR Mic/Line Switch
Selects between microphone and
line level signals coming into XLR
connector
(50 dB
pad inserted be
-
fore
mic preamp when switch is in
Line position).
STEREO
LINE
LOOP THRU
LOOP
THRU
MONO XLR
Mono XLR Connectors
(Balanced) Loopthrough connec-
tors
accept both mic and line level
signals. Volume adjusts with pull
out triple–function Volume control
(center
detent is nominal
volume).
Stereo
Line Jacks
(Unbalanced)
Dual function jacks.
Factory supplied so that tip, ring,
sleeve stereo signal applied to
one
jack can be
looped through to
other jack (tip-left, ring-right,
sleeve-ground). Jacks can be in-
ternally switched so that two
mono phone jacks can be input
and monitored in stereo without
loopthrough (see Internal
switches).
PUSH
1
2
MODE
STEREO
LINE
PAD