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Bass Horn For Altec Driver [message #42340]

Tue, 02 September 2003 16:33

mgzny
Messages: 4
Registered: May 2009

Esquire

Hi Wayne et al:

Any suggestions for a cabinet for a the Altec 414Z 12' woofer?
I am planning to mate with Altec 802D compression driver.
Aprreciate anyone's help. Have not tracked down the TS specs yet.

Thanks to all, Mark

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Altec π 's [message #42345 is a reply to message #42340]

Tue, 02 September 2003 20:04

Wayne Parham
Messages: 18726
Registered: January 2001

Illuminati (33rd Degree)

I don't have any direct experience with the Altec 414, but there are several here that have used this and other Altec midwoofers. Seems to me that they are usually used in a rather large bass-reflex cabinet, many of which include truncated (midrange) horns. I'm sure you're aware of that configuration - It's one of Altec's most popular, with the driver installed in a front-loaded small horn and with the back chamber being a large bass-reflex cabinet.

I've also known many that used them in two-way speakers with a simple (non-horn loaded) bass-reflex design for the midwoofer and a large-format HF horn for the vocal overtone range up. Seems like PiAlign recommended something like 9 cubic feet tuned to 30Hz or so, but I may be thinking about Altec 416's.

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Altec Driver T/S Parameters [message #42346 is a reply to message #42340]

Wed, 03 September 2003 00:21

wunhuanglo
Messages: 912
Registered: May 2009

Illuminati (2nd Degree)

http://www.greatplainsaudio.com/Thiele-Small.html

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Re: Altec Driver T/S Parameters [message #42347 is a reply to message #42346]

Wed, 03 September 2003 09:21

mgzny
Messages: 4
Registered: May 2009

Esquire

Thanks for the info. Had tried Great Plains, no specs for 414Z though.
Goiung to keep looking and asking.

Regards, Mark

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Re: Altec π 's [message #42348 is a reply to message #42345]

Wed, 03 September 2003 09:26

mgzny
Messages: 4
Registered: May 2009

Esquire

Thanks Wayne:

Looking through the Altec posts, saw mention of someone using
the 515 driver in a pi cabinet, saw same on BD-design forum.
Any chance the 6pi would work with the 414Z? I know I have to
track down the TS #s.
Thanks again, Mark

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Re: 414Z=414A without a magnet cover (nt) [message #42355 is a reply to message #42340]

Wed, 03 September 2003 22:49

tubefever
Messages: 1
Registered: May 2009

Esquire

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Re: Altec π 's [message #42356 is a reply to message #42348]

Thu, 04 September 2003 00:26

Wayne Parham
Messages: 18726
Registered: January 2001

Illuminati (33rd Degree)

You're right - You'll need to know the woofer parameters and then calculate cabinet dimensions with PiAlign. But I suspect that the six π will work very well with this driver - Altec tended to make parts that are suited for this sort of design.

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