How to find QTS of a subwoofer?

[Magnus 10+ year member]

I'm typing in the T/S parameters for a new subwoofer on WinISD and just noticed the QTS was not included along with the Re.

Name MM1540 (4 ohm)

Diameter 15 in.

No. of Drivers 1

Fs 27

Qms 5.0

Vas 3.5 cu ft/100 L

Xmax 1

Sd 128.5 sq in/829 sq cm

Qes .56

Le 3.0 mH

Z 4 ohm

Pe 850

Can anyone figure out the QTS and Re for me?

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[Magnus 10+ year member]

anyone?

 

[SmoothSQ 10+ year member]

I'm typing in the T/S parameters for a new subwoofer on WinISD and just noticed the QTS was not included along with the Re.

Name MM1540 (4 ohm)

Diameter 15 in.

No. of Drivers 1

Fs 27

Qms 5.0

Vas 3.5 cu ft/100 L

Xmax 1

Sd 128.5 sq in/829 sq cm

Qes .56

Le 3.0 mH

Z 4 ohm

Pe 850

Can anyone figure out the QTS and Re for me?

On WINisd once you provide the Qes and Qms it will auto-fill the correct Qts for you.

It will auto-fill the Re for you, but you have to provide the Mms and BL.

 

[Magnus 10+ year member]

On WINisd once you provide the Qes and Qms it will auto-fill the correct Qts for you.It will auto-fill the Re for you, but you have to provide the Mms and BL.

That must be why it's not working. I need the BL.