Miпi Desigп i!! Сhаппеl
Class D Aпlpli-,ier
User"s Manual
lnпallation Precaution•:
APMA-i!IOO
Belore you inslall lhe amplilier, invesligale your car·s layoul verv carelully. Take special care when
you work near lhe gas lank, luel lines, hydraulic lines and eleclrical wiring. Belore making or
breaking power conneclions in your syslem, disconnecl lhe vehicle ьa11erv. Conlirm lhal your head
unil or olher equipmenl is lurned 011 while connecling lhe inpul jacks and speaker lerminals. 11 you
need 10 replace lhe power luse, replace il only wilh а luse idenlical 10 lhal suggested Ьу lhis
manual. Using а luse 01 а dillerenl type or raling may resull in damage 10 your audio system or your
amplilier, which is nol covered Ьу warrantv.
Connecting the Aпlpli'lier:
1. Connecl lhe ampliliers ground саые 10 а close, bare melal part ol lhe lrame or chassis. Use а nul
and boll! The ground саые musl Ье al leasl lhe same size as lhe + 12V.
2. Connecl lhe remole lerminal 10 remole oulpul ol lhe head unil using upper 16Ga wire.
з.
Connecl lhe luse holder wilhin 15" (38cm) ol lhe car ьanerv, and run lhe selecled саые lrom lhis
luse 10 lhe amplilier.
4. Connecl all lhe inpuls wilh high-qualilJ саЫеs. Connecl Remole Conlrol il necessarv.
5. lnsert luse(s) inlo lhe ьanerv luse holder (s).
ТrоиЫе §hooting:
Symplom
PossiЫe Remedy
Ampllller
Check 10 make sure you have а good ground conneclion.
Check lhal lhere is ьa11erv power on lhe ( +) lerminal.
wlll nol
Check all luses, replace il necessarv.
power up
Make sure lhal lhe Proleclion LED is nol illuminaled.
Proleclion
Check lor short circuils on speaker leads.
LED Comes
Check lhe speaker load nol beyond lhe minimum load.
Remove speaker lead, and resel lhe amplilier. 11 lhe proleclion LED slill comes
on
on, lhen lhe amplilier is laultv and needs servicing.
Check lhal lhe RCA audlo саЫеs are plugged lnlo lhe proper lnpuls.
No oulpul
Check all speakers wlrlng.
Check lhe head unll ou1pu1 and lhe ampllller level senlng.
Low ou1pu1
Resel lhe level Conlrol.
Check lhe Crossover Conlrol senlngs.
High hiss in
Check lhe RCA саые is nol shorted 10 power ground al amplilier side. Check
lhe speakers
lhe amplilier grounding.
Check lhal lhe lnpul level conlrol is sel 10 malch lhe signal level ol lhe head
Dislorted
unil. Alwavs 1rv 10 sel lhe lnpul level as low as possiЫe.
sound
Check lhal all crossover lrequencies are properly sel.
Check lor short circuils on lhe speaker leads.
Amplilier gets Check lhal lhe minimum load impedance lor lhe amplilier model is correcl.
verv hol
Check lhal lhere is good air circulalion around lhe amplilier. ln some
applicalions, 11 may Ье necessarv 10 add an external cooling lan.
4
When it comes to quality car amplifiers, Audiopipe is the brand you can depend on.
