REMO
TE
GR
OUND
+ 12
V
YELLO
W
LED
LO
W
IMPED
ANCE
ORANGE
LED
THERMAL
PR
O
TECT
RED
LED
PO
WER
ON
ONE TWO
ONE TWO
-20 -10 0 +10 +20
FA
N
PLENUM
SPEAKER OUTPUT TERMINALS
:
THE
302
A IS
2-
CHANNEL AMPLIFI
-
ER WITH TWO SETS OF SPEAKER TERMINALS
.
THE
“
PASSIVE
”
TERMI
-
NALS ARE NOT FUNCTIONAL UNLESS AN RM MODULE IS INSTALLED
.
REMOTE SWITCHED
12
VOLTS
16
GAUGE OR LARGER
GROUND
– 8
GAUGE OR LARGER
POWER
– 8
GAUGE OR LARGER
AMPLIFIER GAIN CONTROLS
:
TURN CLOCKWISE TO INCREASE GAIN
XTANT TECHNOLOGIES 7676 SOUTH 46TH STREET PHOENIX, ARIZONA 85040 PHONE: 888.449.8268 FAX 602.431.8600
O U T P U T S
I N P U T S
+ – + –
+ – + –
PASSIVE SPEAKERS
MAIN SPEAKERS
CHAN
1
CHAN
2
PASSIVE SPEAKER ATTENUATION
/
RM MODULE PORT THE
RM 4, 8,12 &
16
RESISTOR MODULES MAY BE INDIVIDUALLY INSERTED INTO THE RM MODULE
PORT TO ACTIVATE THE
“
PASSIVE SPEAKER TERMINALS
”.
THE AMOUNT OF SERIES
RESISTANCE
,
ADDED BY THE MODULE
,
WILL DECREASE THE LEVEL OF THE
SPEAKERS
(
CONNECTED TO THE
“
PASSIVE TERMINALS
”)
BY
-4, -8, -12
OR
-16
dB.
THE
“
PASSIVE TERMINALS
”
ARE CONNECTED
,
IN PARALLEL
,
VIA THE RM MOD
-
ULE TO THE MAIN SPEAKER TERMINALS
.
AMPLIFIER ACCESSORY PORTS
LINE OUTPUT ACCESSORY PORT
CM 24
X
, PQM-1, LFQ-45,
CM 12HP & CM 12LP
LFQ-45, CM 12HP
& CM 12LP
ONLY
LFQ-45, CM 12HP
& CM 12LP
ONLY
BRIDGED
CONNECTION
WARNING:
ADD A
50
AMP FUSE AT THE POSITIVE
TERMINAL OF THE BATTERY
.
I
F MULTIPLE AMPS ARE
BEING USED
,
THE FUSE
VALUE SHOULD EQUAL THE
COMBINED TOTAL DEMAND
OF ALL AMPLIFIERS IN THE
SYSTEM
INSTALLER’S
REFERENCE
. . . . . . . . . . . . . .
XTANT 302A
. . . . . . . . . . . . . .
CAUTION: SHARP EDGES
BE CAREFUL WHEN HANDLING TOP
AND BOTTOM METAL
.
CAUTION: THE
302a
IS NOT FUSE PROTECTED!
FOR SAFTEY
,
AN OUTBOARD
50
AMP FUSE MAY BE ADDED CLOSE TO THE
AMPLIFIER
.
A
50
AMP FUSE MUST BE INSTALLED IN
-
LINE WITH THE POWER
WIRE AT THE BATTERY
.
I N S T A L L A T I O N / A D J U S T M E N T S E Q U E N C E
REMOVE AMPLIFIER COVER. D
O NOT REMOVE PROTECTIVE COVER
-
ING UNTIL INSTALLATION IS COMPLETE
.
TEMPORARILY MOUNT AMPLIFIER. T
HE AMPLIFIER IS DESIGNED TO
BE ANCHORED THROUGH THE FOUR HOLES LOCATED ON THE CIRCUIT
BOARD
/
BASE ASSEMBLY
.
MARK WIRES FOR TERMINATION. D
ETERMINE WIRE LENGTHS FOR
P
OWER
, G
ROUND
, R
EMOTE
, & S
PEAKER CABLES
. M
ARK FOR CUTTING
/
TER
-
MINATION
. R
EMOVE
302a. C
UT AND TERMINATE ALL WIRES
. CAUTION:
STRIPPING WIRES OVER THE CIRCUIT BOARD MAY CAUSE
PRODUCT FAILURE.
①
BALANCED INPUTS: M
AKE ALL INITIAL ADJUSTMENTS AT YOUR WORK
BENCH
. T
O SELECT
“B
ALANCED
I
NPUT
”
FOR
OEM
INTEGRATION OR INDUC
-
TIVE NOISE CANCELLATION
,
MOVE THE JUMPER
,
LOCATED ABOVE AND TO THE
LEFT OF THE
RCA
INPUT CONNECTORS TO THE
“
ENABLE
”
POSITION
.
②
INPUT GAIN: T
HE INPUT GAIN IS FACTORY PRESET AT
+10dB
AND WILL
WORK WITH AN INPUT SIGNAL OF
300
M
V
TO
1 V
OLT
. T
O INCREASE THE GAIN
,
MOVE THE JUMPER TO THE
+20 dB
POSITION
. T
O DECREASE INPUT GAIN
,
PLACE JUMPER IN THE
0, -10,
OR
-20 dB
POSITION
.
➂
INSTALL ACCESSORY MODULES. A
T YOUR BENCH
,
ADJUST
CROSSOVER MODE JUMPERS AND CHANGE CROSSOVER FREQUENCY
SIP’
S
.
R
EMOVE PORT JUMPERS AND INSTALL MODULE
(
S
) –
OBSERVE
“
KEY
”
ON CON
-
NECTOR FOR PROPER FIT
. A
DJUST
PQM-1
OR
LFQ 45 EQ
MODULES AFTER
AMP IS MOUNTED
.
➃
MOUNT THE AMPLIFIER AND CONNECT SPEAKERS. T
WO
PAIRS OF SPEAKER TERMINALS ARE PROVIDED
. T
HE ATTENUATION FUNCTION OF
THE TERMINALS LABELED
⑤
“
PASSIVE
”
IS ONLY ACTIVATED WHEN
X
TANT
’
S
“
PAS
-
SIVE ATTENUATION BOARDS
” – RM 4, RM 8, RM 12
OR
RM 16
ARE INSTALLED
.
MAKE REMAINING CONNECTIONS. D
OUBLE CHECK ALL CONNEC
-
TIONS
! T
URN ON AMPLIFIER
. C
HECK RED LED
,
IT SHOULD BE ON
. I
F ANY
OTHER ADJUSTMENTS NEED TO BE MADE
(
CROSSOVER MODULES
/
INPUT GAIN
ADJUSTMENT
)
THE
➅
“R
EMOTE
T
URN
O
N
”
JUMPER MAY BE USED TO TURN
THE AMP OFF
. M
AKE ADJUSTMENTS AND PLACE JUMPER IN THE ENABLE POSI
-
TION TO TURN THE AMP BACK ON
.
➆
ADJUST OUTPUT GAIN TO SET SYSTEM LEVEL.
AFTER FINE TUNING THE SYSTEM,
REMOVE PROTECTIVE COVERING
AND SPRAY A LIGHT COATING OF
WD40
™ ON A SOFT CLOTH AND CLEAN COVER
.
SERVICE JUMPER
:
REMOVING JUMPER WILL TURN
-
OFF
AMPLIFIER WHEN REMOTE TURN
-
ON
,
GROUND AND
+12
VOLT CABLES ARE CONNECTED TO AMPLIFIER
. U
SE TO
SERVICE
/
ADJUST AMPLIFIER WHEN IN USE
.
INPUT GAIN
:
TO ADJUST INPUT GAIN
,
MOVE JUMPER AND INSTALL IT IN THE LOCATION WHICH MATCHES YOUR INPUT SIGAL
LEVEL
.
REFER TO THE ILLUSTRATION BELOW FOR PROPER JUMPER LOCATION
/
LEVEL SETTING
.
NOTE
: –20 dB = 10V – 17V
IS ONLY TO BE USED WITH BALANCED INPUT FROM A BALANCED SOURCE
. (
IE
:
FOATING GROUNG OUTPUT
)
–20 dB = 10V – 17V
–10 dB = 3V – 8V
0 dB = 1V – 3V
+10 dB = 300mV–1V
+20 dB = 100– 300mV
BALANCED INPUT
:
TO ENABLE THE BALANCED LINE
,
PLACE
THE JUMPER ON THE LEFT AND CENTER SET OF PINS
. T
O DIS
-
ABLE
,
REMOVE JUMPER AND PLACE IT ON THE CENTER AND
RIGHT SET OF PINS
.
OBSERVE THE LABELING ON THE CIRCUIT
BOARDS
.
①
②
➅
➂
➂
➆
⑤
➃
RM M
ODULE MUST BE
INSTALLED TO ACTIVATE