rca input question
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=33875
Printed Date: April 28, 2024 at 2:13 AM
Topic: rca input question
Posted By: jussam
Subject: rca input question
Date Posted: June 14, 2004 at 5:41 PM
i connected a loc to rca input very low sound ,buy when i remove one input jack woofer starts to work .can it be the amp or the loc strange
Replies:
Posted By: stevdart
Date Posted: June 14, 2004 at 7:06 PM
Two of the wires of the LOC are connected to the wrong speaker wires, and you are getting a cancelled signal when you plug both RCA's in. There is a wire that should be connected to the positive that, instead, is connected to the negative speaker wire. And the neg is tapped into the pos. Reverse these two connections. ------------- Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
Posted By: jussam
Date Posted: June 14, 2004 at 7:35 PM
thanks stevdart did what you said bingo got thump both inputs are in thanks again jussam
Posted By: stevdart
Date Posted: June 14, 2004 at 7:57 PM
That was quick! Glad to be able to help. Just to check if sub's in phase with rest of the system, if the amp has a 180 switch, try it both ways. If it doesn't, reverse the speaker leads from the sub to the amp to switch phase. The proper phase is when the sub is loudest and deepest with the rest of the music. This is just to make sure you reversed the proper wires.
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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
Posted By: jussam
Date Posted: June 14, 2004 at 8:15 PM
will check out phase tomorrow thanks again
Posted By: jussam
Date Posted: June 15, 2004 at 5:45 PM
ok did the phase check everything sounds awsome. remote to control bass set up up front,but now when connecting remote lead on . the fan on the amp whines loud is that normal ?not through speakers ,just internal on the amp
Posted By: stevdart
Date Posted: June 15, 2004 at 6:13 PM
I can't figure that one. I'll bump this up so someone will take a look at it.
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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
Posted By: jussam
Date Posted: June 15, 2004 at 7:26 PM
i'll take any suggestion with this problem i'm having. the internal fan on the amp whines internally not through speakers when remote lead on is connected
Posted By: Ravendarat
Date Posted: June 15, 2004 at 10:34 PM
What kinda amp is it
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double-secret reverse-osmosis speaker-cone-induced high-level interference distortion, Its a killer
Posted By: stevdart
Date Posted: June 15, 2004 at 11:11 PM
Plug bass remote into the amp, turn to max., then reset the gain on the amp. But first turn off the bass boost. I think the bass remote is whacking out the gain setting, and the amp is running hotter at a clipping level. So the fan is whining. You should already have set the gain once, so turn everything back to the starting line and do it again with that remote in. See if that does the job.
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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
Posted By: DYohn
Date Posted: June 15, 2004 at 11:44 PM
Good suggestion from stevdart, highly recomend you do this. But it could also simply be the fan is just noisy, or it has a bearing that is going out. ------------- Support the12volt.com
Posted By: deboss
Date Posted: June 16, 2004 at 8:03 AM
this is the amp im using power acoustic 1800db - Hi Speed Digital Circuitry
- Fully Regulated PWM Power Supply
- Four Way Protection
- 1 Ohm Stable Stereo
- Bridging Synchronization
- Remote Dash Mount Low Level Gain Control With Cable
- System Distress Indicator
- Dual Mono Speaker Output Connectors
- Gold Plated Heavy Duty Power & Speaker Terminals
- 600W @ 4Ohms
- 1100W @ 2Ohms
- 1400W RMS/1800W Max
- Frequency Response: 15Hz to 150hz
- S/N Ratio: 100 dB
- THD: 0.5%
- Variable Low Pass 50Hz-150Hz
- Variable Subsonic Filter 15Hz-40Hz
- Variable Subwoofer EQ @ 45Hz
- Phase Switch: 0-180
- Inputs Sensitivity: 200mV-8V
- Dimensions (L x W x H): 12.6" x 11" x 2.3"
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