AudioRoundTable.com - RDF feed
type: channel
description: Audio advice and discussions with audiophiles and professionals. Free discussion forums, open to all and frequented by industry experts. Ask questions and get advice on stereos, speakers, hi-end amplifiers, pre-amps, home theater, tube hi-fi, turntables, vinyl, tweaks, music, films, video, DVDs and more.
items: Pi 2 Tower Cross Over frequency
items: Re: Pi 2 Tower crossover

Pi 2 Tower Cross Over frequency
type: item
description: Wayne what is the ideal crossover frequency of the 2 Pi Towers? I wind my own coils and would like to start. Thanks
creator: Mark Andrews
date: 2007-03-11T09:24:16-00:00

Re: Pi 2 Tower crossover
type: item
description: The tweeter uses a 10μF series capacitor with a 16Ω shunt damping resistor placed directly across the tweeter. The series coil in the woofer circuit is 0.5mH. No Zobel is used, so it doesn't form a true first-order crossover. The voice coil has fairly high DC resistance, so the series coil acts partially as a low-pass filter, but the voice coil also has inductance which makes it act partially like a two-coil inductive voltage divider.
creator: Wayne Parham
date: 2007-03-11T19:05:22-00:00

Re: Pi 2 Tower crossover
type: item
description: Thanks Wayne. I was going to wind new coils on my AVO winding machine but with as low a DCR as possible to ensure minimal loss in efficiency. Would you recommending that I rather use the kit supplied unit as it is matched DCR wise too? (I have not received kit yet obviously) Ta Mark
creator: Mark Andrews
date: 2007-03-12T05:07:06-00:00

Re: Pi 2 Tower crossover
type: item
description: The coils that come with the kits are pretty nice, but you can sure upgrade them with your own, if you like.
creator: Wayne Parham
date: 2007-03-12T12:56:40-00:00

Re: Pi 2 Tower crossover
type: item
description: Thanks for the feedback Mark
creator: Mark Andrews
date: 2007-03-13T06:18:13-00:00