By using our site, you consent to the use of cookies by us. On the streets pets live only two years average. Note that because of the high Q ts , the AlphaA woofer can also work well with an open baffle speaker system. Last update 31 March The AlphaA voice coil diameter is 38 mm 1.

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Rudolf Full Member Posts: Figure 1 shows the frequency and impedance response from the Eminence AlphaA woofer datasheet.

Eminence AlphaA – 15″ Woofer

Let us know how you proceed and what your results are! We have found the AlphaA to be a cost effective and solid performing open baffle woofer. The relative 2-dimentionalness of them keeps them ‘small’ in the room.

The music really is fantastic. Thanks Glen for your nice detailed reply.

Eminence Alpha-15A 15″ Driver

I’m thinking i may try a H-frame on the two 15s in the next couple weeks. Because of the good OB performance and low cost for the AlphaA woofer, this is one of the more popular woofers for open baffle speaker configurations.


If you did actually have to design a crossover for it, do you have a program that helps determine the values that are used in the crossover? In Photograph 5 the AlphaA woofer is used with a circular H-frame open baffle speaker coupled with a Audio Nirvana Classic 5 fullrange driver. Logged Guy 13 Restricted Posts: You may need to measure it acoustically.

May I also know what crossover you are using?

Visaton B and 2x Eminence Alpha 15A

The AlphaA woofer is available from Parts Express. Do you think this 2,0mH inductor alha-15a removed the micro dinamic detail or harmonic integrity that a crossoverless speaker have from the music in Alphas??

The Eminence AlphaA woofer driver comes neatly packaged in a split moulded styrofoam shell and snuggly inside a sturdy cardboard box. I have a dual B OB set up, and single Alpha 15 in H frame each side, with a rear firing tweeter and like that very much eminemce well.

The official Eminence AlphaA datasheet is in the links below. I just caught this fminence wanted to compliment you emijence your speakers. This is particularly effective when the HF source is directional, as widebanders are. I’ll be posting drawings shortly, but I have a couple questions I’m hoping you guys can help with.


I was running mine active. Considering their size and the size of my apartment — the OBs don’t feel large or overbearing.

Eminence ALPHA15A 15 Inch 200w Woofer Speaker

Eninence Eminence AlphaA is a mm 15″ diameter paper cone woofer. The Eminence AlphaA woofer has a small motor and a high Q ts which makes the driver well suited for use with open baffle speaker systems.

The pair of Eminence AlphaA woofers measured very close to one another. From the datasheet the Eminence AlphaA woofer drivers have a noted usable frequency range of 46 Hz to 3.

Cool setup you have there. I built some almost identical Use an OB 15 inch sub for film stuff. The speaker surrounds are an accordion style made from treated cloth Photograph 2. Hello Glen, Beautiful images, a great OB, must made wonderful music surely. Last sminence 31 March Guy 13 Restricted Posts: The 15″ woofer is built around a black pressed steel basket.

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