PLA2678 Manual 1
Page 3
... chassis. Wit hout one , an accidental short circuit could pose a fire hazard and damage your amplifier. l _ IOhm MASTER SLAVE 19 S.._ . 2 1_'Ohm POWER CONNECTION MONO CHANNEL AMPLIFIER - APPLICATIONS PLA3100D/PLA4600D INTERCONNECTION EXAMPLE 1 Subwoofar wi th a Oual-Voicecoil @ MA STER J I' "d IMPORTANT ! CONN ECT the output terminal to the battery ( - ) position terminal or...
... chassis. Wit hout one , an accidental short circuit could pose a fire hazard and damage your amplifier. l _ IOhm MASTER SLAVE 19 S.._ . 2 1_'Ohm POWER CONNECTION MONO CHANNEL AMPLIFIER - APPLICATIONS PLA3100D/PLA4600D INTERCONNECTION EXAMPLE 1 Subwoofar wi th a Oual-Voicecoil @ MA STER J I' "d IMPORTANT ! CONN ECT the output terminal to the battery ( - ) position terminal or...
PLA2678 Manual 1
Page 4
... 3 I SPEAKER OUTPUT TERMINALS POWER ON LED lights up when the amplifier is energized indicating the unit is on p~ge 17. @ SLAVE Subwoofer 2· 8 ohm 18 2 CHANNEL AMPLIFIER - "" -""" 0-0_'. low pass (lPF), or the output of filter , or FULL to 300Hz ; P)ll~ L _......0 • -.J po",'".::", ,,~ I I ~ OWfR SUPPLY TERMINALS I I Pass Filter from short circuil... Min to Pass Filter from 40Hz to Ihe internal FUSE Protects both this amplifier and the automobile elecuical system from 40Hz 10 300H z '-,;:;; (HP;'; MONO CHANNEL AMPLIFIER -
... 3 I SPEAKER OUTPUT TERMINALS POWER ON LED lights up when the amplifier is energized indicating the unit is on p~ge 17. @ SLAVE Subwoofer 2· 8 ohm 18 2 CHANNEL AMPLIFIER - "" -""" 0-0_'. low pass (lPF), or the output of filter , or FULL to 300Hz ; P)ll~ L _......0 • -.J po",'".::", ,,~ I I ~ OWfR SUPPLY TERMINALS I I Pass Filter from short circuil... Min to Pass Filter from 40Hz to Ihe internal FUSE Protects both this amplifier and the automobile elecuical system from 40Hz 10 300H z '-,;:;; (HP;'; MONO CHANNEL AMPLIFIER -
PLA2678 Manual 1
Page 5
...@ SLAVE MASTER SLAVE @ 17 APPLICATIONS PLA3100D/PLA4600D MASTER/ SLAVE Link like described on PROTECT LEO Lights indicating the amplifier has gone into a protection mode 4 MONO CHANNEL AMPLIFIER - FEATURES PLA2678 r1 HlglI Pass z variable High Pass Filler from 40Hz to 300Hz ~ PUT LEVEL I lxl Low Pass z djusts line level ( RCA... @ I IpOWER SUPPLY TERMINALS I I SPEAKER OUTPUT TERMINALS I ~IIOW you to connect additional amplifier BASS eQ Adjust the Bass Boost from OdS to 300Hz L- // ..®®o(=®!}.._-0= -. .-.0.,.-..= = 0 0,=-M--- 2 CHANNEL AMPLIFIER -
...@ SLAVE MASTER SLAVE @ 17 APPLICATIONS PLA3100D/PLA4600D MASTER/ SLAVE Link like described on PROTECT LEO Lights indicating the amplifier has gone into a protection mode 4 MONO CHANNEL AMPLIFIER - FEATURES PLA2678 r1 HlglI Pass z variable High Pass Filler from 40Hz to 300Hz ~ PUT LEVEL I lxl Low Pass z djusts line level ( RCA... @ I IpOWER SUPPLY TERMINALS I I SPEAKER OUTPUT TERMINALS I ~IIOW you to connect additional amplifier BASS eQ Adjust the Bass Boost from OdS to 300Hz L- // ..®®o(=®!}.._-0= -. .-.0.,.-..= = 0 0,=-M--- 2 CHANNEL AMPLIFIER -
PLA2678 Manual 1
Page 6
Spllk.r 16 2 CHANNEL AMPLIFIER - APPLICATIONS PLA3100D/PLA4600D Car ster.e system 1- ' O~ml Speak.. @ 2- ' Ohm . FEATURES PLA2978 Pass Filter from 40Hz to 300Hz Low Pass variable low Pass Filter from ... ( LPF) , or the output of pass ( HPF ) filter, or FULL to the internal power both this amplifier and the automobile from 40Hz to 300Hz --o ... ,," 0- MONO CHANNEL AMPLIFIER - I ~ LED Indicating the ampli fier has gone into a protection mode 5
Spllk.r 16 2 CHANNEL AMPLIFIER - APPLICATIONS PLA3100D/PLA4600D Car ster.e system 1- ' O~ml Speak.. @ 2- ' Ohm . FEATURES PLA2978 Pass Filter from 40Hz to 300Hz Low Pass variable low Pass Filter from ... ( LPF) , or the output of pass ( HPF ) filter, or FULL to the internal power both this amplifier and the automobile from 40Hz to 300Hz --o ... ,," 0- MONO CHANNEL AMPLIFIER - I ~ LED Indicating the ampli fier has gone into a protection mode 5
PLA2678 Manual 1
Page 7
... lights up when the amplifier is energized indicating the unit is on PROTECTION LED Lights indicating the amplifier has gone in to a protection mode 6 MONO CHANNEL AMPLIFIER - I~ py~ I'D"'., v' L sl ~tdjuSsS!EtQhe Bass Boost from short cireui! conditions I I I I - klf or FULL to the internal power amplifier FUSE Protects both this amplifier and... the 2CH or 4CH mode CROSSO VER SWITCH Routes output of the high pass (HIGH) filter. a Ohm, Spu k. , = = ....""'"0Ul0'\IT I~ I~I~I [INPUT MODE Allow ~ou to 6. 4 CHANNEL AMPLIFIER - Sp..
... lights up when the amplifier is energized indicating the unit is on PROTECTION LED Lights indicating the amplifier has gone in to a protection mode 6 MONO CHANNEL AMPLIFIER - I~ py~ I'D"'., v' L sl ~tdjuSsS!EtQhe Bass Boost from short cireui! conditions I I I I - klf or FULL to the internal power amplifier FUSE Protects both this amplifier and... the 2CH or 4CH mode CROSSO VER SWITCH Routes output of the high pass (HIGH) filter. a Ohm, Spu k. , = = ....""'"0Ul0'\IT I~ I~I~I [INPUT MODE Allow ~ou to 6. 4 CHANNEL AMPLIFIER - Sp..
PLA2678 Manual 1
Page 8
... the lower cu toff frequency. SPEAKER OUTPUT CONNECTIONS You do not need to the amplifier if the head unit is carried through RCA cables. MONO CHANNEL AMPLIFIER - Insert a CD or tune to a radio station and slowly turn up when the amplifier is energized Ih' ,,;1 ;, '" PROTECT LED LIN E INPUT Accepts line level...
... the lower cu toff frequency. SPEAKER OUTPUT CONNECTIONS You do not need to the amplifier if the head unit is carried through RCA cables. MONO CHANNEL AMPLIFIER - Insert a CD or tune to a radio station and slowly turn up when the amplifier is energized Ih' ,,;1 ;, '" PROTECT LED LIN E INPUT Accepts line level...
PLA2678 Manual 1
Page 9
MONO CHANNEL AMPLIFIER - APPLICATIONS PLA4278/PLA4478 3- CHANNEL MODE ,-,' _ , 2- CHANNEL MODE -.~ ~ ~ _ 0_ lIki'nfi!ll o 0 -.,,-. -,-,,- 13 FEATURES PLA3100D/PLA4600D REMOTE CON TROL Adjust the low pass signal via Iheenclosed remote control Allowed you select MASTER ... D i i i the amplifier has gone into FUS E Protects both this amplifier and the automobile electrical system from short circuit condi tions SPE AKER OU TPUT TERMINALS 8 4 CHANNEL AMPLIFIER -
MONO CHANNEL AMPLIFIER - APPLICATIONS PLA4278/PLA4478 3- CHANNEL MODE ,-,' _ , 2- CHANNEL MODE -.~ ~ ~ _ 0_ lIki'nfi!ll o 0 -.,,-. -,-,,- 13 FEATURES PLA3100D/PLA4600D REMOTE CON TROL Adjust the low pass signal via Iheenclosed remote control Allowed you select MASTER ... D i i i the amplifier has gone into FUS E Protects both this amplifier and the automobile electrical system from short circuit condi tions SPE AKER OU TPUT TERMINALS 8 4 CHANNEL AMPLIFIER -
PLA2678 Manual 1
Page 10
...use low level inputs to the amplifier if the head unit is preferred to use both low and high level inpu ts simultaneously ! 4 CHANNEL AMPLIFIER APPLICATIONS PLA4278/PLA4478 4- SPEAKER OUTPUT CONNECTIONS You do nol have the positive wire from the speaker to the positive speaker terminal of the amplifier and the ... control to Min initially. APPLICATIONS -~ INPUT CONNECTIONS * This am plifier has RCA connections for clean sound . 9 High level input is carried through RCA cables. CHANNEL MODE CM1 CHI ] - 11 0 , ,,,, ] - 11 Oh.., CHI CHI ] - 11 Oh .., 2- 11 Oh.., 12...
...use low level inputs to the amplifier if the head unit is preferred to use both low and high level inpu ts simultaneously ! 4 CHANNEL AMPLIFIER APPLICATIONS PLA4278/PLA4478 4- SPEAKER OUTPUT CONNECTIONS You do nol have the positive wire from the speaker to the positive speaker terminal of the amplifier and the ... control to Min initially. APPLICATIONS -~ INPUT CONNECTIONS * This am plifier has RCA connections for clean sound . 9 High level input is carried through RCA cables. CHANNEL MODE CM1 CHI ] - 11 0 , ,,,, ] - 11 Oh.., CHI CHI ] - 11 Oh .., 2- 11 Oh.., 12...
PLA2678 Manual 1
Page 11
... roughly 80% of phase which causes bass cancellation. APPLICATIONS PLA2378/PLA2678/PLA2978 STEREO MOOE MONO MODE o· ~ M'£'iWW ~ _0_ ~ · ...'·0-.,· P>V'" L . _ •...J 10 4 CHANNEL AMPLIFIER - SPEAKER OUTPUT CONNECTIONS You do not need to Min initially. 2 CHANNEL AMPLIFIER - APPLICATIONS INPUT CONNECTIONS * This amplifier has RCA connections for clean sound. 11
... roughly 80% of phase which causes bass cancellation. APPLICATIONS PLA2378/PLA2678/PLA2978 STEREO MOOE MONO MODE o· ~ M'£'iWW ~ _0_ ~ · ...'·0-.,· P>V'" L . _ •...J 10 4 CHANNEL AMPLIFIER - SPEAKER OUTPUT CONNECTIONS You do not need to Min initially. 2 CHANNEL AMPLIFIER - APPLICATIONS INPUT CONNECTIONS * This amplifier has RCA connections for clean sound. 11
