Deadening to SPL Gains in my Jeep

[nineball 10+ year member]

gotcha. i am not saying that it isn't possible, just not logical that 39.9 sq ft of damplifier would give you a 0.4db gain and the 0.1 sqft would give 0.1db.

 

[sundownz Pro Seller]

I'm sure that each addition added in the hundredths of a dB -- since I am only looking at tenths (that is what counts in competition) you miss the tiny incremental gains.

 

[Skip01 5,000+ posts]

Do you have or plan to put any on the hatch?

 

[sundownz Pro Seller]

Do you have or plan to put any on the hatch?

Yep, sure will.

 

[sundownz Pro Seller]

My frequency is up a bit.

Since I am out of deadener I am playing around a bit with frequency... so far:

48 hz - 150.7 dB (down 0.8 dB)

52 hz - 151.9 dB (up 0.4 dB)

Going to test up to 55 hz and see where it goes.

Since I am on the charger I am waiting 10 minutes for each burp. Should be plenty of time for the charger on 25 amps to catch up from a ~3 second burp on one 3000D.

 

[Skip01 5,000+ posts]

Weird...usually people have their note go down from after deadener.

Welp, keep us informed

 

[sundownz Pro Seller]

Indeed... mine dropped like a rock under 50 Hz as you can see. Perhaps because Damplifier is a very RIGID dampener and not just a mass loader like many dampeners. With a stiffer panel the resonance should be higher as opposed to a heavy floppy panel the resonance should be lower.

I can't wait to try out the Pro version next week!

I'll be testing 53, 54, and 55 and will post results.

 

[TeamRetribution 10+ year member]

mine went up also in my old 626 ...after deadning

 

[audioarsonal 10+ year member]

Jake do you start at the same voltage everytime you burp,or do you just turn the charger off and burp?

 

[sundownz Pro Seller]

53 Hz = 152.0 dB

54 Hz = 151.9 dB

55 Hz = 151.6 dB

So 53 Hz is my new frequency at this time.

 

[sundownz Pro Seller]

Jake do you start at the same voltage everytime you burp,or do you just turn the charger off and burp?

Charger stays on during the burp - same voltage.

Waiting 10 minutes between I can do the same number in a repeatable fashion this way.

 

[audioarsonal 10+ year member]

Charger stays on during the burp - same voltage.
Waiting 10 minutes between I can do the same number in a repeatable fashion this way.

Sounds good.Keep up the gains

 

[sundownz Pro Seller]

I am digging 152.0 dB from one Nightshade 15 and one 3000D so far //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

That makes me 0.9 dB louder than when I started counting the frequency shift... you CANNOT beat that for the cost of the dampener I used.

 

[audioarsonal 10+ year member]

Have you tried rolling the volume instead of burping.I know that can gain a couple tenths as well sometimes.

 

[orangecounty1 10+ year member]

Nice work!