Question about Sony Car Audio & Video
I suggest replacing the patch cors at least. The other cables can be spliced. Not taped.
.A thumbs up would be greatly appreciated if this answer is helpful to you.
Posted on Dec 19, 2014
Yes you can still use these wires as long as there is enough room left to wire them back together and use black tape over them
Posted on Oct 17, 2013
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Posted on Jan 02, 2017
SOURCE: No power output
Set the meter to AC volts and measure the AC voltage on the RCA cables where they plug into the amplifier. The black meter leat will go on the shield ground of the RCA cable. The red lead on the center conductor. You may have to turn the volume up to get a reading on the meter. At high volume, you should read at least one volt but the actual voltage will vary due to the audio signal. If you get no voltage on the RCAs, measure the AC voltage on the input to the LOC. Let me know what you find.
Posted on Oct 05, 2007
I'm not understanding what you mean by the "Sub doesn't even sound blown" if it doesn't play at all. One thing you can check is if you gently push in on the cone you shouldn't hear anything, if you hear a scratching noise and can feel resistance then you have a problem. If you have an OHM meter, you can check the voice coil impedance, it is a down and dirty way of checking to see if it is good or not. Measure all of the voice coils that you have and they should all read about the same, not necessarily exactly the same but pretty close. This test should tell you a lot. If it seems to test out fine there is something wrong else where. Let me know if you need more help.
Posted on Apr 03, 2008
Firstly, sorry to to tell you, but their is no such thing as a 4000 watt car amp. Google Ohm's law and RMS .
Check the owners manual or website to find the amps minimum impedance. Usually 4 or 2 Ohms. Next,
check the woofers impedance , If unsure check with a Ohmmeter,
It's actually the resistance,but close enough.
If they are 8 Ohm and you twist those wires together (parallel circuit) your amp will see 4 Ohms.
If they are 4 Ohms (paralleled) your amp will see 2 Ohms.
Do not connect in a series circuit (+ amp terminal to a + speaker terminal and that speaker - terminal to the other speakers + terminal and that speakers - terminal to the - amp terminal) .
It creates phase problems, and sounds like ****.
Most mono amps are really internally bridged stereo amps ,it's cheaper that way, but it limits how low of a impedance they will handle. Read the specs. Use the correct size connectors, scrape off paint for a good ground connection.Use the right gauge wire and above all. Fuse that power lead at the Battery!!!!!!!!
ps . if you have dual voice coils thats another chapter.
Good luck, Sumthin
Posted on Jun 11, 2008
SOURCE: amplifier loads
A single 4 ohm speaker wired to each channel, like you have them wired, presents a 4 ohm load. And it appears that you have them connected properly. The 401s is only stable to 4 ohms when bridged, so if you were to parallel the 2 4 ohm subs in bridged mode, the load would be 2 ohms and the amp would most likely overheat and go into protection.
I'd wire them the way you have them wired.
Each channel of the amp outputs only 100 watts into 4 ohms. That is adequate for regular full-range speakers, component speakers, mid-range drivers, and even some small subs. But it is a little low on power for most subwoofer applications.
Hope this helps.
Posted on Apr 23, 2009
You can find the color codes for a 1999 Buick Regal here. There is no dedicated amp remote wire. Neither is there a power antenna wire.
You could use the 12V "switched lead (yellow) from the radio or any switched 12V lead directly from the vehicle fuse box. I'd wire it through a dash mounted toggle switch so as to be able to turn the amp on and off manually.
The Sony 2150GSX is a 2-channel amp with the speaker terminals on either side. You do not want to ground the subwoofer itself, only the ground terminal should be connected to bare metal on the vehicle chassis or body as close to the amp as possible. The ground wire does not need to be run to the negative battery terminal.
A ground on one of the speaker leads will probably cause the amp not to power up. A ground on a speaker wire usually activates the amps protection circuit, causing it to not operate until the fault is corrected.
Hope this helps.
Posted on Jul 29, 2009
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