Needing info on trubass 8s

[SplAffair 10+ year member]

I just picked up a pair of these little subs for 75 bucks on craigslist. Does anyone have any info on these. As I need to make a box for them.

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[CaptainMaximus 10+ year member]

Dude I have seen these on there for a while, as I'm from Harriman. The builder of them is from around our area. I played with one once for a little bit, and it seemed to be pretty decent as for an 8.

 

[SplAffair 10+ year member]

Yea they seem pretty beefy. I just can't find any specs or info on them .

 

[CaptainMaximus 10+ year member]

For the price I'd buy one from ya for half, I'd like to play with one. 8659638448 if interested

 

[SplAffair 10+ year member]

Lol I just got them. I appreciate the offer though

 

[SplAffair 10+ year member]

Bump. Gotta be someone who knows about these beastly 8s

 

[SplAffair 10+ year member]

 

[SplAffair 10+ year member]

Bump. Needed this info yesterday!

 

[ace_800 5,000+ posts]

Specs:

Ultra 8's are rated for 250rms and good up to 500-750w daily (if setup correctly of course)

Specs are as followed Re = 3.4298 ohms

Fs = 37.3410 Hz

Zmax = 46.4751 ohms

Qes = 0.3413 Qms = 4.2834

Qts = 0.3161

Le = 2.2975 mH (at 1 kHz)

Diam = 155.0000 mm ( 6.1024 in )

Sd =18869.1914 mm^2( 29.2473 in^2)

Vas = 10.5085 L ( 0.3711 ft^3)

BL = 14.3582 N/A

Mms = 87.4380 g

Cms = 207.7628 uM/N

Kms = 4813.1816 N/M

Rms = 4.7893 R mechanical Efficiency = 0.1506 %

Sensitivity= 83.7971 dB @1W/1m