Question about Sony XMD9001GTR Car Audio Amplifier
I have a kicker L7 4ohm dual voice coil sub and a sony xm-9001gtr mono amp that puts out 1300 watts rms at 2ohms and 950 watts rms at 4ohms is this a good amp to power the L7 or is it to much power for this sub
Its a good amp but dont power ur amp at full put it at about half power
Posted on May 27, 2009
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Posted on Jan 02, 2017
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Your Kicker L7 Ohms may be too low for the MA Audio Mono block amp. The MA Audio Amp is probably 2 Ohm Stable. The kicker will either be 2 ohm or 4 ohm Dual voice coil. To eliminate the low ohms as a possible threat to causing the map to go into Protect, Wire the kicker Voice Coils in Series. This adds the ohms, so that you either have 4 or 8 ohms.
I am using the following codes to show wiring. VC1+ stands for the Kicker Subs Voice Coil #1 Postive post. AO+ is the MA audio Amp output positive.
AO+ to VC1+
VC1- to VC2+
VC2- to AO-
This shopuld give you 4 or 8 ohm depending on the 15" L7 setup. Crutchfield does not carry the Kicker L7 in 15" They do have the L5 in 15".
If you know how to read a Volt Ohm Meter, set it to OHMs 20 and measure across VC1+ to VC1- and you should see between 1.5 and 5 ohms.. Do the Same with VC2+ to VC2-. you should see the same voltage. Also read from the Voice coil metal housing to VC1+ , VC1-, VC2+, and VC2-. and you should not read any ohmage to the case. The meter should say OL, or -1.
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