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Coils read good, no clipping, constant voltage.
Edited by djtomczak, 08 June 2012 - 10:33 AM.
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#1
Posted 08 June 2012 - 10:32 AM
djtomczak
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At high volumes my 18 makes a hollow pop sound. It sounds like someone is flicking the dust cap of the woofer but louder. First I thought bottoming out, but it happens at frequencies where there is not high excursion. This problem also happened on my sa12s I had previously. So now I'm thinking it is my amp, but why would the amp make such a noise? Any ideas?
Coils read good, no clipping, constant voltage.
Coils read good, no clipping, constant voltage.
Two SA-12s Memphis 1500 watt amp
Soundstream 2.350w Profile Baja 700w 4 channel
Soundstream tweeters Focal mid ranges
Rockford Fosgate punch component set in rear
2012 Ford Escape XLT with:
Memphis 16-pr1.5KD (2003)
Memphis PBC4400 (2001)
Four Infinity Reference 6x8s in rear
Image dynamics CTX65CS component set in front
Stock HU < staying that way!
Red top under the hood
SSA Icon 15 on order
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#2
Posted 08 June 2012 - 10:36 AM
Dangrebel
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Man I have hdc3's. They've only popped like what you say on clipped kick drums. I hear it right at the center of the cone.
2 18in AQ hdc3's soon to be walled at 36hz
Crescendo Bc2000d
about 90 ft of 1/0 welding cable
Alpine CDE-123 4v preouts FTW!!!!
2000 GMC Sierra z71 Ext cab long bed
I GOT MAJOR FLEXX ISSUES
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#3
Posted 08 June 2012 - 10:43 AM
djtomczak
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- Vehicle:2012 Ford Escape XLT
It happens on most of my demo songs, which I have looked at and they have no clipping. Kind of ruins the demo when your subwoofer is popping...
Two SA-12s Memphis 1500 watt amp
Soundstream 2.350w Profile Baja 700w 4 channel
Soundstream tweeters Focal mid ranges
Rockford Fosgate punch component set in rear
2012 Ford Escape XLT with:
Memphis 16-pr1.5KD (2003)
Memphis PBC4400 (2001)
Four Infinity Reference 6x8s in rear
Image dynamics CTX65CS component set in front
Stock HU < staying that way!
Red top under the hood
SSA Icon 15 on order
#4
Posted 08 June 2012 - 11:09 AM
bigjon
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tyler perry's bigjon
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how big is your box,
how much power,
where is your SSF set.
how much power,
where is your SSF set.
06 lincoln town car
pioneer FH-P8000BT
4 deka 9a31
mechman 300amp h/o alt
1 oribit cell under hood
big three
4 run's 0 gauge+
4 1/0 ground.
2 Bohlender Graebener Neo3-PDRW tweeters
2 sundown neo pro 8's
1 sundown sax-100.4
1 sundown NS-1
2 15 sundown nightshades V2 custom pieces
http://www.soundsolu...ge__hl__lincoln
152.5 outlaw @ 30 hrtz
streetbeat 150. DB
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#5
Posted 08 June 2012 - 11:11 AM
djtomczak
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- Real Name:Dylan
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- Vehicle:2012 Ford Escape XLT
Box is 7 cubes after displacements at 35hz. No ssf. Last checked out at 1780 watts.
Two SA-12s Memphis 1500 watt amp
Soundstream 2.350w Profile Baja 700w 4 channel
Soundstream tweeters Focal mid ranges
Rockford Fosgate punch component set in rear
2012 Ford Escape XLT with:
Memphis 16-pr1.5KD (2003)
Memphis PBC4400 (2001)
Four Infinity Reference 6x8s in rear
Image dynamics CTX65CS component set in front
Stock HU < staying that way!
Red top under the hood
SSA Icon 15 on order
#6
Posted 08 June 2012 - 11:12 AM
An-i-no
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Nino-Wan-Kenobi
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Air leak maybe? Does it do it at lower volumes?
unfortuneately eD made the bus, so it sounded horrible, made no power and the "protect engine" light came on before it left the parking lot and wouldn't go away, and the eD tires wouldn't stick to the road for nothin'
Come on now - this isn't the time to be critical. This weekend was their annual meet in Iowa. Instead of the usual heavy drinking and good times, ED supplied a bus and hauled everybody over to Cedar Rapids to help with flood relief. That's not the kind of thing you see every day and it speaks very well for ED and the car audio community as a whole - except that I made it up.
#7
Posted 08 June 2012 - 11:27 AM
djtomczak
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Nope, only high volumes. Box is leak free as well. I turned the amp down a tad and it no longer makes the noise, but I would rather have it as loud as it can go. The volume change is noticeable.
Two SA-12s Memphis 1500 watt amp
Soundstream 2.350w Profile Baja 700w 4 channel
Soundstream tweeters Focal mid ranges
Rockford Fosgate punch component set in rear
2012 Ford Escape XLT with:
Memphis 16-pr1.5KD (2003)
Memphis PBC4400 (2001)
Four Infinity Reference 6x8s in rear
Image dynamics CTX65CS component set in front
Stock HU < staying that way!
Red top under the hood
SSA Icon 15 on order
#8
Posted 08 June 2012 - 11:33 AM
bigjon
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tyler perry's bigjon
- Gender:Male
- Location:BIG STATE OF TEXAS
- Interests:i love lincolns, SPL music, and i love to have a good time.
- Vehicle:lincoln town car
the box seems a bit large to me.. i like around 6 cubes, for higher power... but im not sure about that sub....
your demo songs are LOW right??????
no SSF is your problem IMO.
your demo songs are LOW right??????
no SSF is your problem IMO.
06 lincoln town car
pioneer FH-P8000BT
4 deka 9a31
mechman 300amp h/o alt
1 oribit cell under hood
big three
4 run's 0 gauge+
4 1/0 ground.
2 Bohlender Graebener Neo3-PDRW tweeters
2 sundown neo pro 8's
1 sundown sax-100.4
1 sundown NS-1
2 15 sundown nightshades V2 custom pieces
http://www.soundsolu...ge__hl__lincoln
152.5 outlaw @ 30 hrtz
streetbeat 150. DB
TEAM SUNDOWN
TEAM SECOND SKIN
TEAM MECHMAN
#9
Posted 08 June 2012 - 11:53 AM
An-i-no
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Nino-Wan-Kenobi
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Ah! I just saw that...what frequencies is the noise happening at? Could be unloading. I know people say HDC's are made to play below tuning but...if you're at almost double rated power without a SSF then that could definitely be an issue.
Did the SA's have an SSF?
Did the SA's have an SSF?
unfortuneately eD made the bus, so it sounded horrible, made no power and the "protect engine" light came on before it left the parking lot and wouldn't go away, and the eD tires wouldn't stick to the road for nothin'
Come on now - this isn't the time to be critical. This weekend was their annual meet in Iowa. Instead of the usual heavy drinking and good times, ED supplied a bus and hauled everybody over to Cedar Rapids to help with flood relief. That's not the kind of thing you see every day and it speaks very well for ED and the car audio community as a whole - except that I made it up.
#10
Posted 08 June 2012 - 12:20 PM
bigjon
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- SSA Regular
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tyler perry's bigjon
- Gender:Male
- Location:BIG STATE OF TEXAS
- Interests:i love lincolns, SPL music, and i love to have a good time.
- Vehicle:lincoln town car
its a combo of issues...
too much enclosure volume for that amount of power, with no SSF, will no doubt cause this issue every time.. no doubt.
too much enclosure volume for that amount of power, with no SSF, will no doubt cause this issue every time.. no doubt.
06 lincoln town car
pioneer FH-P8000BT
4 deka 9a31
mechman 300amp h/o alt
1 oribit cell under hood
big three
4 run's 0 gauge+
4 1/0 ground.
2 Bohlender Graebener Neo3-PDRW tweeters
2 sundown neo pro 8's
1 sundown sax-100.4
1 sundown NS-1
2 15 sundown nightshades V2 custom pieces
http://www.soundsolu...ge__hl__lincoln
152.5 outlaw @ 30 hrtz
streetbeat 150. DB
TEAM SUNDOWN
TEAM SECOND SKIN
TEAM MECHMAN
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