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Pic of P'ITANIC 12 and a new project up [message #36637]

Sat, 25 May 2002 05:56

BillEpstein
Messages: 886
Registered: May 2009

Illuminati (2nd Degree)

You guys are great. 372 hits in a few days. I should be selling ice cream!

http://home.att.net/~wsepstein

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Re: Pic of P'ITANIC 12 and a new project up [message #36638 is a reply to message #36637]

Sat, 25 May 2002 07:11

alfredo
Messages: 14
Registered: May 2009

Chancellor

Hi Till,

Nice pics! That sub came out real nice. I noticed your using 2 of the JBL 3677s for you HT. I have a pair as well and built the crossovers last week. I just created a simple 12db butterworth at 1200hz (1.5 mH coils and 12 uf caps). I did not add an zobel compensation or anything of that sort. Can I ask what type of cossover you built and if you added zobel compensation? Thanks.

Alfredo Abate

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Here you go... [message #36639 is a reply to message #36638]

Sat, 25 May 2002 07:34

BillEpstein
Messages: 886
Registered: May 2009

Illuminati (2nd Degree)

The 3677s's have been "temporary" for about 6 months while I dither about whether the 2226J's from the 4648 and the 3677 horns are going in 7 Pi's. They sound damn fine in the little 4.5 cu ft cabs so I'm in no hurry. Have to do the turntable first.
The link is the discussion about crossovers. Don't remember about Zobel but Wayne recommends against with the 2226. With your M115's I don't know but there is also a post with the T-S parameters: search
"3677".

http://www.AudioRoundTable.com/PiSpeakers/messages/2559.html

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π crossovers [message #36640 is a reply to message #36638]

Sat, 25 May 2002 08:52

Wayne Parham
Messages: 18786
Registered: January 2001

Illuminati (33rd Degree)

If you'd like, I'll send you the schematics for the passive crossovers described in this thread. They are described in great detail in the crossover document on the π Speakers website, but schematics are something that I retain and distribute separately with the plans.

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Nice Box! [message #36644 is a reply to message #36637]

Sat, 25 May 2002 12:55

Robert Hamel
Messages: 93
Registered: May 2009

Viscount

Hey Til those look just like my LE14 subs. I use 2 ports though. Bet it will be a killer when its up and running.

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Re: π crossovers [message #36645 is a reply to message #36640]

Sat, 25 May 2002 13:24

alfredo
Messages: 14
Registered: May 2009

Chancellor

Hi Wayne,

If you could send me a copy of the schematics that would be great! I have skimmed over your crossover doc before but I have not had a chance to read it in depth. Thanks.

Alfredo Abate

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