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three π verses four π [message #69418 is a reply to message #69415]

Fri, 09 September 2011 10:23

Wayne Parham
Messages: 18787
Registered: January 2001

Illuminati (33rd Degree)

I tend to try and refrain from giving my subjective opinions on the comparisons between the JBL 2226 used in the four π speaker and the AE TD12S used in the three π speaker. I just think too highly of both models. I don't hesitate to point out the benefits of midwoofers that have shorting rings, which is why I suggest the upgraded drivers over the stock ones. But once you get into the upgraded drivers, you're into the realm of what I consider to be the best speakers you can build or buy. It just doesn't get any better than that, both models are superb.

I sometimes make the comparison to cars. Which would you prefer, a Ferrari F40 or Porsche 959? Both are world class cars, both exceed 200MPH. It is like this with the fully upgraded three π or four π speakers too.

The four π is 3dB louder at the same input power, and is slightly smaller. Other than that, the differences are mostly below 100Hz, where multisubs should be employed. And once the subs are in place, it almost doesn't matter what the mains are doing. But below 100Hz, the 2226 shifts a little bit as power is increased. At very low power levels, it has slightly reduced bass. Again, when flanking subs are used, this just doesn't matter.

Above 100Hz, the two speakers are virtually identical in sound character and quality. Their directivity patterns are similar, their spectral balance is similar, in all respects, they are very much the same.

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[Message index]

		New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: coolgeek on Sat, 03 September 2011 21:22
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: Wayne Parham on Sat, 03 September 2011 22:18
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: coolgeek on Sat, 03 September 2011 22:48
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: coolgeek on Sat, 03 September 2011 23:21
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: NWCgrad on Sat, 03 September 2011 23:47
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: coolgeek on Sat, 03 September 2011 23:54
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: NWCgrad on Sun, 04 September 2011 00:40
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: coolgeek on Sun, 04 September 2011 00:45
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: Wayne Parham on Sun, 04 September 2011 01:23
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: coolgeek on Sun, 04 September 2011 01:45
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: coolgeek on Sun, 04 September 2011 01:55
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: Wayne Parham on Sun, 04 September 2011 02:26
		Re: New HT - Need Advice on Speakers - 4pis or 7pis for main, 2pis, and what to use for bass By: coolgeek on Fri, 09 September 2011 09:48
		three π verses four π By: Wayne Parham on Fri, 09 September 2011 10:23

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