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71 Search Results Found |
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Forum: Silicon Valley «»
Posted on: Mon, 30 March 2009 17:27 «»
By: Wayne Parham
Active Sub Crossover
On a lark, I purchased an active subwoofer crossover module a few months back. I was looking at options to plate amps, something that would allow me to use one of my many existing amplifiers with subs. My thinking was that plate amps are fine, but I al...
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Forum: Pi Speakers «»
Posted on: Sun, 29 March 2009 13:06 «»
By: Wayne Parham
Re: Active crossover for 3Pi
Op-amps are extremely easy to work with. You can design an active crossover with them using the design tool below. Choose a nice Burr-Brown chip for best results. I'm using 627 and 404 chips in a sub crossover I'm working on right now, and there are ot...
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Forum: Speaker «»
Posted on: Fri, 23 January 2009 12:25 «»
By: Wayne Parham
Re: low pass/crossover and different ohms help
A passive crossover requires a specific load to work with. Too large resistance and it is underdamped, making a peak near the crossover frequency. Too little resistance and it is overdamped, making a shallower slope than expected. In either case, the c...
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Forum: Speaker «»
Posted on: Wed, 19 December 2007 07:58 «»
By: Goldy
Can car coaxs be used in line arrays?
Can car speakers be used in line arrays? I have 2 way 4" coaxs in mind for a line array project. They have an fs of 130 Hz, Qts of 1.1, Vas of 1.0 lts and power capacity of 30 Watts RMS each. The drivers alone are known to sound quite good in car.The belo...
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Forum: Pro Sound «»
Posted on: Tue, 05 June 2007 22:41 «»
By: Mike Lemke
assistance designing live-sound setup for band
Hi all - I have a few questions about setting up a system for live sound. I'll give you as much background info as I can.1 - There are three possible scnearios I would like to use this system for; a) practice in basement, b) small to midsize gigs in about...
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Forum: Measurement «»
Posted on: Thu, 01 February 2007 06:45 «»
By: akhilesh
converting active crossover values to passive
Hi everyone,Here is the problem: I have 3 drivers, in a 3-way setup, actively crossed at 24 db slopes. Suppose I calculate the cutoff frequency & slopes using an speaker management device (BBE ds 48 or behriger speakre management or some such thng) and my...
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Forum: Pi Speakers «»
Posted on: Sun, 24 September 2006 17:19 «»
By: Chris R.
Re: No Longer Sold
The T-Amp I'm thinking of is $30 from PartsExpress (300-952). At least for me,I have the drivers already. They were ~$10 at Radio Shack when theycarried them. The tweeters I'm getting are Dayton neodymium domesfor $5ea. I'll have 2 leftover FE-103's w...
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Forum: Speaker «»
Posted on: Thu, 06 July 2006 20:32 «»
By: Jim Griffin
Re: And now for something a bit more realistic
Greg,I'll try to answer below.1) I will listen with these speakers roughly 9-10 feet apart and 9-12 feet from the listening chair, and I am only concerned with the sound while seated, not caring about standing listeners... Eventhough you are sitting whil...
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Forum: Speaker «»
Posted on: Thu, 06 July 2006 20:32 «»
By: Jim Griffin
Re: And now for something a bit more realistic
Greg,I'll try to answer below.1) I will listen with these speakers roughly 9-10 feet apart and 9-12 feet from the listening chair, and I am only concerned with the sound while seated, not caring about standing listeners... Eventhough you are sitting whil...
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Forum: Speaker «»
Posted on: Fri, 23 June 2006 16:51 «»
By: akhilesh
Re: Goodmans Update - Bass and Notch
Yup. I like to use active xovers often as filters. A 3-way active will allow a bass sub crossover and also some kind of a step filter (well if you can call 24 db per octave a step). Anotch will of course require either a parametric EQ or a 4 way active x...
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