2 different subs, same output?

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smwilli

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Joined: October 15, 2010

Location: Wisconsin, United States

Posted: October 15, 2010 at 7:04 PM / IP Logged

I have 2 different subs I'd like to use, both oldschool: Soundstream spl160 (15") and a boston acoustics 10.4lf (10"). I'm using win isd to design a box to decide which one to use. My issue is that the 10.4lf in a 1.5 CuF vented box has close to the same response curve and -3db point as the spl160 in a 3.7 CuF vented box.

Am I missing something by going with the boston as opposed to the spl160? Space is somewhat at a premium, otherwise I'd go with the spl in a 4.7CuF box with a -3db @ 30hz).

Any insight or opinion on this is appreciated!

soundnsecurity

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Joined: November 10, 2008

Location: Louisiana, United States

Posted: October 15, 2010 at 7:33 PM / IP Logged

some subs just perform better in a bigger or smaller box. its the whole reason why box calculators exist in the first place. if every sub performed the same in similar sized enclosures it would just take all the fun out of it.

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smwilli

Member - Posts: 7

Joined: October 15, 2010

Location: Wisconsin, United States

Posted: October 15, 2010 at 7:47 PM / IP Logged

I just didn't know if the 15 would hit "harder" or if the 10 would sound the same, but not be able to feel it.

stevdart

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Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: October 15, 2010 at 8:46 PM / IP Logged

You say that the 4.7 cu ft box with the Soundstream 15 yields a F3 at 30 Hz. At 3.7 cu ft, the model is similar to the 10" Boston (in the much smaller box). Question: what is the F3 there?

Add some info to this thread and some of us can look at it with you. T/S param.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

smwilli

Member - Posts: 7

Joined: October 15, 2010

Location: Wisconsin, United States

Posted: October 16, 2010 at 7:41 AM / IP Logged

Soundstream spl160 DVC

Frequency Response 25-500

Sensitivity(2.83v/1m) 96db

Impedance(nominal Z, ohms) 2

Rated Program Power(watts) 800

Fs (Hz) 28

Qts .33

Qms 7.82

Qes .35

Vas (ft3) 7.24

Vas (liter) 205

Vas (m3) .205

Cms (um/N) 183

DCR (Ohms) 2.01

Levc (mH)@1Khz .67

BL (Tesla m) 13.3

Sd(in2) 131.0

Sd(m2) .0845

Sd(cm2) 845

X max; one way (linear mm) 10.0

X max; one way (peak mm) 22

Vd (linear cm3) 845

Vd (peak cm3) 1859

Vd (linear m3) .000845

Vd (peak cm3) .001859

Mms (grams) 173

Magnet Assembly (oz) 345

Magnet Weight (oz) 157

Vf (volume of frame, in3) 385

Coil Length (mm) 28.6

Boston Acoustics 10.4LF

Peak Input Power 500 watts

Continuous Input Power 250 watts

Sensitivity (1 watt .5m) 98dB

Nominal Impedance 4 Ohms

Fs 33 Hz

Vas 2.34 cubic feet

Qts 0.36

Qes 0.42

Qms 2.53

Cms 380.9

Sd 56 square inches

Voice Coil Diameter 2 in.

Re 4.1 ohms

Le 0.65 mH

X-max (one way) 7.5mm

smwilli

Member - Posts: 7

Joined: October 15, 2010

Location: Wisconsin, United States

Posted: October 21, 2010 at 10:30 AM / IP Logged

The f3 on both is right around 35hz

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2 different subs, same output?

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