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Re: 4Pi speaker plans [message #63355 is a reply to message #63354] Thu, 08 July 2010 18:07 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18748
Registered: January 2001
Illuminati (33rd Degree)

I've sent plans, but note that this speaker is designed to use the JBL 2226H, not the JBL 2226J. One would think they would be similar, that the values in the woofer circuit could be scaled to suit, doubling coil inductance and resistance values, and halving capacitance values. That would most likely work but I cannot guarantee it because I haven't tested it. There are a lot of things that contribute to overall performance, some of which are not immediately obvious and some that are actually counterintuitive. The voltage sensitivity will be 3dB lower too, so you'll want to pad the tweeter a little more. Use the R1/R2 chart at the link below for reference.
 
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