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Round port for 2x Scan 18w/8531

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Posted on April 18, 2017 at 21:53:09
akltam
Audiophile

Posts: 1057
Location: Hong Kong
Joined: September 29, 2002
 I am building a bass reflex cabinet for a twin bass (x2) using Scan 18w/8531.

It will be a round port. Shall I use a 85mm diameter tube or using a 105mm diameter tube ?

Thanks in advance.
Alan

 

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RE: Round port for 2x Scan 18w/8531, posted on April 19, 2017 at 07:54:42
airtime
Audiophile

Posts: 11287
Location: Arizona
Joined: February 4, 2003
 Did you try using a program like basbox pro or a similar program?

 

Jeff Bagby's box design program is really excellent., posted on April 19, 2017 at 08:56:50
Mr. Dick Hertz
 It can be downloaded and installed for free. As for the diameter of the port, larger is preferable as it minimizes possible port noises, but the tube may be too long for the cabinet dimensions. The Bagby program will allow you to optimize the cabinet/port combination.

 

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