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Old 31st January 2010, 02:36 AM   #1
wixy is offline wixy  Australia
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Default Small subs to match open baffles?

Not along ago I built a pair of the MJK open baffles (FE108ez and Alpha 15A), which sound good but I am a bit let down by the bass performance.

I'm just wondering if it would be a good idea to build a pair of small subs to go with the open baffles?

What small subwoofer drivers would integrate well? (my room is only small at around 3.5m x 3.5m).

Would this dynafone 10" driver which caught my interest be a possibility?

Dynafone 10" Bass Unit (Price Each) - eBay, Speakers Subwoofers, Home Audio, Electronics. (end time 13-Feb-10 19:37:11 AEDST)
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Old 6th February 2010, 12:22 AM   #2
Mikey p is offline Mikey p  Canada
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$183 with shipping is totally ridiculous for a 8 ohm sub with 7 mm Xmax. There are much cheaper and better options.
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Old 6th February 2010, 01:19 AM   #3
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Hi there: Sugest Tang Band WT-1427B 10-inch ($79) or W8Q-1071F 8x12-inch ($80) or W8-740P 8-inch ($66) from Parts Express in the US. All have Xmax above 9.5mm.
...regards Michael
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Old 6th February 2010, 11:02 AM   #4
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Quote:
Originally Posted by wixy View Post
Not along ago I built a pair of the MJK open baffles (FE108ez and Alpha 15A), which sound good but I am a bit let down by the bass performance.

I'm just wondering if it would be a good idea to build a pair of small subs to go with the open baffles?

What small subwoofer drivers would integrate well? (my room is only small at around 3.5m x 3.5m).

Would this dynafone 10" driver which caught my interest be a possibility?

Dynafone 10" Bass Unit (Price Each) - eBay, Speakers Subwoofers, Home Audio, Electronics. (end time 13-Feb-10 19:37:11 AEDST)
Are you kidding me? There are Exodus and CSS drivers available in Oz already with more output than that toy.
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Old 7th February 2010, 01:13 PM   #5
dgator is offline dgator  United States
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Add another 15a.
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Old 7th February 2010, 01:47 PM   #6
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What amplifier are you using? I ask this because Martin mentioned something about
listening to this speaker with a solid state amp and liking the bass. Then switching to
a tube amp and noticing a lot less bass.
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Old 24th February 2010, 07:40 AM   #7
wixy is offline wixy  Australia
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Thanks for the advice guys, I didn't reply sooner as I didn't realise there were replies.

I'll give the dynafone a miss and consider the suggested options.

Woody, i'm using a Rotel solid state amp with 60w per channel. The bass is not bad, it's just that I'd prefer more I guess. Although the more I listen to them, the more I am starting to be impressed by their bass performance.
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Old 24th February 2010, 07:50 AM   #8
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The bass is weak because there is no 6db/oct. dipole EQ. The Alpha 15 could do much better.

I reckon having this filter (1 op-amp) between your pre and amp would be a better value and the polar response is kept as dipole. I had used the Alphas before and they definitely have great bass (no shortage of bass reported on EP CS2!)

Building the filter using breadboard may cost you about $15.
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