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Multi-Way Conventional loudspeakers with crossovers

Altec Lansing 3156
Altec Lansing 3156
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Old 3rd July 2003, 05:05 AM   #1
akersa is offline akersa  United States
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Default Altec Lansing 3156

I just came across a brand new pair of vintage altec lansing 3156's does anybody know what the specs are on these or, does anybody know where I could find the specs. Altec Lansing hasn't been real helpful.

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Adam Akers
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Old 3rd July 2003, 05:16 AM   #2
Da5id4Vz is offline Da5id4Vz  United States
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Default Thiele-Small

I found the Theile-Small paramerters for the 3156 at this site:

http://nleinternet.net/alteclansingu...ele-Small.html
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Old 3rd July 2003, 05:54 AM   #3
akersa is offline akersa  United States
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Thanks, that will be helpfull. Any idea what they are worth power wise, they seem built really heavy, I would think alot.

Adam Akers
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Old 3rd July 2003, 03:26 PM   #4
GM is offline GM  United States
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500W continuous program.

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Old 11th July 2003, 05:32 AM   #5
akersa is offline akersa  United States
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I am looking to build a set of cabinets for these speakers, but I am having trouble with the design. Using the paramters that I have for them I am comming up with a smaller enclosure than what I think that it should be. I also tested the speakers and found them to have a free air resonace of 30 Hz. Can anybody guide me in a direction on cabinet building. I think that a ported box would be best but maybe not. I plan on using these as part of a three way system. I think that they could provide the low end that I am looking for. I am also very interested in a labrynth design, any comments.

Adam Akers
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Old 23rd July 2004, 07:41 PM   #6
cclark65 is offline cclark65  United States
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Check here:
http://www.lansingheritage.org/image...ro/1989-11.jpg

This is an image from an old Altec catalog of a sub that used the Altec 3156 drivers. The dimensions are listed, so you could get pretty close with them and the photo.
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