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Old 20th March 2014, 10:15 PM   #1
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Default Bookshelves + Speaker Placement + Front or Rear Port

Hello,

If I was to place a speaker on a shelf approximately 45cm (17inches) deep, would it be wise to change the configuration of the speaker from rear ported to front ported.

As an axample I was considering Jeff Bagby's RS180MTM, My RS180 MTM Design

The speaker itself is 34cm (13.5inches) deep, leaving the back of the unit 11cm (3.5 inches) from the wall.

I would change the cabinet to front ported like this MTM Overnight Sensation, Slot Vented.

Although I would need to investigate what impact this would have on the cabinet size.

I am a newby so any help is appreciated.
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Old 20th March 2014, 11:52 PM   #2
GM is offline GM  United States
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Greets!

I would. That, or add some stuffing 'to taste' in the vents to roll them off somewhat, reduce near wall cavity resonances. What was JB's thoughts?

GM
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Old 21st March 2014, 12:17 AM   #3
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If you building the cabinets, yes but slightly larger than the RS180s.
If you want to invest in the exact slot vented cabinets, no....far too small cabinet and baffle width and height.
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Old 21st March 2014, 01:08 AM   #4
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Quote:
Originally Posted by GM View Post
Greets!

I would. That, or add some stuffing 'to taste' in the vents to roll them off somewhat, reduce near wall cavity resonances. What was JB's thoughts?

GM
I haven't corresponded with JB, I might throw this accross to the parts-express page to see if he answers.

Thanks
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Old 21st March 2014, 01:15 AM   #5
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Quote:
Originally Posted by Stewart Holmes View Post
If you building the cabinets, yes but slightly larger than the RS180s.
If you want to invest in the exact slot vented cabinets, no....far too small cabinet and baffle width and height.
I think I understand, but just wanted to be clear, the example of the slot cabinet I gave was for the Overnight Sensations, was just to indicate the style of the slot, not the dimensions.

When you say the the cabinet is too small are you saying that the Overnight Sensation cabinet was to small or are you saying the original cabinet Dayton Audio MTM-1.0BK 1.0 ft³ MTM Cabinet Gloss Black | 302-750 would be too small for the slot port.
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Old 21st March 2014, 01:39 AM   #6
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Sorry just noticed you can buy the Dayton cabs too yes agree with GM would more likely need more wadding.
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