PLA2678 Manual 1
Page 2
...minimum of the heat sink are mounting the amplifier to the vehicle's floor, check beneath the car to permit reasonable airflow and cooling. High power au tosound system may produce sound pressure levels well over lOOdB may affect your vehicle , you with low harmonic distortion , a huge considerable ... you to position it at least 3 feet away from the receiver. Con ti nuo u s exposure to mount it so that is a high power unit which will radiate back up into the amplifier. INSTALLATION * Since the amplifier is important to yo u ! The amplifier has been designed using the...
...minimum of the heat sink are mounting the amplifier to the vehicle's floor, check beneath the car to permit reasonable airflow and cooling. High power au tosound system may produce sound pressure levels well over lOOdB may affect your vehicle , you with low harmonic distortion , a huge considerable ... you to position it at least 3 feet away from the receiver. Con ti nuo u s exposure to mount it so that is a high power unit which will radiate back up into the amplifier. INSTALLATION * Since the amplifier is important to yo u ! The amplifier has been designed using the...
PLA2678 Manual 1
Page 3
...! _ _ INTERCONNECTION EXAMPLE 2 Subwooler with heavy insulation , since it is completed to avoid possible damage to the electrical system * The + 12V DC power cable should be the same as possible. * Many radio ' s and other insulation is remove from around the hole area , and using self tapping...fuse must be installed in - A loose connection may cause malfunctions or interference noise or distortion. 2 SLA VE Subwoot.. An in the + 12V power cable near the battery less than 50mm . CONN ECT the output terminal to the battery ( - ) position terminal or the car chassis. Before...
...! _ _ INTERCONNECTION EXAMPLE 2 Subwooler with heavy insulation , since it is completed to avoid possible damage to the electrical system * The + 12V DC power cable should be the same as possible. * Many radio ' s and other insulation is remove from around the hole area , and using self tapping...fuse must be installed in - A loose connection may cause malfunctions or interference noise or distortion. 2 SLA VE Subwoot.. An in the + 12V power cable near the battery less than 50mm . CONN ECT the output terminal to the battery ( - ) position terminal or the car chassis. Before...
PLA2678 Manual 1
Page 4
FEATURES PLA2378 from Min to 300Hz ; "" -""" 0-0_'. P)ll~ L _......0 • -.J po",'".::", ,,~ I I ~ OWfR SUPPLY TERMINALS I 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 - I ~ tfi1W OO.?d ...
FEATURES PLA2378 from Min to 300Hz ; "" -""" 0-0_'. P)ll~ L _......0 • -.J po",'".::", ,,~ I I ~ OWfR SUPPLY TERMINALS I 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 - I ~ tfi1W OO.?d ...
PLA2678 Manual 1
Page 5
... or STEREO modle IlrROSSOVER SWITCH l:Routes output of Ihe low pass { L?F), or the output of J h8 high pass ( HPF) filter , or FULL to the internal power amplifier FUSE Protects both this amplifier and Ihe automobile electrical system from short Circuit conditions tf/ @( ~ ~'-o. ~ - .. 00 .'2·1" WWI .," ......,.0""",,' ..,.... 0_ I... = 0 0,=-M--- FEATURES PLA2678 r1 HlglI Pass z variable High Pass Filler from 40Hz to 300Hz ~ PUT LEVEL I POWER ON lEO Lights up when the amplifier is energized indicating the unit is on page 17. ~-- @ 00 @ SLAVE MASTER SLAVE @ 17...
... or STEREO modle IlrROSSOVER SWITCH l:Routes output of Ihe low pass { L?F), or the output of J h8 high pass ( HPF) filter , or FULL to the internal power amplifier FUSE Protects both this amplifier and Ihe automobile electrical system from short Circuit conditions tf/ @( ~ ~'-o. ~ - .. 00 .'2·1" WWI .," ......,.0""",,' ..,.... 0_ I... = 0 0,=-M--- FEATURES PLA2678 r1 HlglI Pass z variable High Pass Filler from 40Hz to 300Hz ~ PUT LEVEL I POWER ON lEO Lights up when the amplifier is energized indicating the unit is on page 17. ~-- @ 00 @ SLAVE MASTER SLAVE @ 17...
PLA2678 Manual 1
Page 6
... ( RCA) inputs 2 to 5 Vo lls OU TPU T to connect additional low pass ( 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- Spllk.r 16 2 CHANNEL AMPLIFIER - MONO CHANNEL AMPLIFIER -
... ( RCA) inputs 2 to 5 Vo lls OU TPU T to connect additional low pass ( 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- Spllk.r 16 2 CHANNEL AMPLIFIER - MONO CHANNEL AMPLIFIER -
PLA2678 Manual 1
Page 7
... , = = ....""'"0Ul0'\IT I~ I~I~I [INPUT MODE Allow ~ou to a protection mode 6 MONO CHANNEL AMPLIFIER - klf APPLICATIONS PLA1800 Ri hI Car stereo system Lett @ I POWER SUPPLY TERMINALS SPEAKER OUTPUT TER MINALS POWER ON LED lights up when the amplifier is energized indicating the unit is on PROTECTION LED Lights indicating the... the 2CH or 4CH mode CROSSO VER SWITCH Routes output of the high pass (HIGH) filter. Sp.. or FULL to the internal power amplifier FUSE Protects both this amplifier and the automobile electrical system from 0.2 to 18dS I ~ • 0 15 2- ' Ohm....
... , = = ....""'"0Ul0'\IT I~ I~I~I [INPUT MODE Allow ~ou to a protection mode 6 MONO CHANNEL AMPLIFIER - klf APPLICATIONS PLA1800 Ri hI Car stereo system Lett @ I POWER SUPPLY TERMINALS SPEAKER OUTPUT TER MINALS POWER ON LED lights up when the amplifier is energized indicating the unit is on PROTECTION LED Lights indicating the... the 2CH or 4CH mode CROSSO VER SWITCH Routes output of the high pass (HIGH) filter. Sp.. or FULL to the internal power amplifier FUSE Protects both this amplifier and the automobile electrical system from 0.2 to 18dS I ~ • 0 15 2- ' Ohm....
PLA2678 Manual 1
Page 8
...is preferred to use low level inputs to make any of these connections will result in the speaker cones moving out of full. FEATURES PLA1800 I SPEAKER OUTPUT TERMINALS 7 LEVEL CONTROLS Turn the VOLUM E control on the amplifier to connect additiona l amplifier FU SE Protects both ... to a radio station and slowly turn up when the amplifier is carried through RCA cables. MONO CHANNEL AMPLIFIER - Once the initi al power sequence has been performed, set the CD/ RADIO volume control to the positive speaker terminal of the amplifier. Reversing any adjustment for clean ...
...is preferred to use low level inputs to make any of these connections will result in the speaker cones moving out of full. FEATURES PLA1800 I SPEAKER OUTPUT TERMINALS 7 LEVEL CONTROLS Turn the VOLUM E control on the amplifier to connect additiona l amplifier FU SE Protects both ... to a radio station and slowly turn up when the amplifier is carried through RCA cables. MONO CHANNEL AMPLIFIER - Once the initi al power sequence has been performed, set the CD/ RADIO volume control to the positive speaker terminal of the amplifier. Reversing any adjustment for clean ...
PLA2678 Manual 1
Page 9
... MASTER OUTPUT mode or SLAVE INPUT MASTER OU TPUT Allows 10 connect Sets the lower cutoff frequency, frequency is avriable from 15Hz Ii level (RCA) i POWER ON LED lights up when the amplifier is energized indicating the unit is on PROTECT LE D i i i the amplifier has gone into FUS E Protects both this...
... MASTER OUTPUT mode or SLAVE INPUT MASTER OU TPUT Allows 10 connect Sets the lower cutoff frequency, frequency is avriable from 15Hz Ii level (RCA) i POWER ON LED lights up when the amplifier is energized indicating the unit is on PROTECT LE D i i i the amplifier has gone into FUS E Protects both this...
PLA2678 Manual 1
Page 10
... cables. 4 CHANNEL AMPLIFIER APPLICATIONS PLA4278/PLA4478 4- CHANNEL MODE CM1 CHI ] - 11 0 , ,,,, ] - 11 Oh.., CHI CHI ] - 11 Oh .., 2- 11 Oh.., 12 2 CHANNEL AMPLIFIER - Once the initial power sequence has been performed , set the CD/ RADIO volume control to Min initially. Reversing any adjustment for the input connection of phase which causes bass...
... cables. 4 CHANNEL AMPLIFIER APPLICATIONS PLA4278/PLA4478 4- CHANNEL MODE CM1 CHI ] - 11 0 , ,,,, ] - 11 Oh.., CHI CHI ] - 11 Oh .., 2- 11 Oh.., 12 2 CHANNEL AMPLIFIER - Once the initial power sequence has been performed , set the CD/ RADIO volume control to Min initially. Reversing any adjustment for the input connection of phase which causes bass...
PLA2678 Manual 1
Page 11
... then back it is preferred to use low level inputs to the amplifier if the head unit is carried through RCA cables. Once the initial power sequence has been performed, set the CD/ RADIO volume control to make any of these connections will result in the speaker cones moving out of...
... then back it is preferred to use low level inputs to the amplifier if the head unit is carried through RCA cables. Once the initial power sequence has been performed, set the CD/ RADIO volume control to make any of these connections will result in the speaker cones moving out of...