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Re: Older 4 Pi speakers [message #95451 is a reply to message #95450]

Mon, 28 March 2022 10:52

Wayne Parham
Messages: 18675
Registered: January 2001

Illuminati (33rd Degree)

You must be talkin' about the old Theater Series four Pi model. It was one of the most popular. I'll see if I can't dig up the plans.

For bonus points, modify that old design by upgrading the HF section to match the newer models. Install an H290C waveguide and use the tweeter section of the current crossover, using the same R1/R2 values as you have now. The crossover is almost the same as it was back then, so only minimal changes are needed.

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[Message index]

		Older 4 Pi speakers By: steve f on Mon, 28 March 2022 10:10
		Re: Older 4 Pi speakers By: Wayne Parham on Mon, 28 March 2022 10:52
		Re: Older 4 Pi speakers By: steve f on Mon, 28 March 2022 11:29
		Re: Older 4 Pi speakers By: Rusty on Mon, 28 March 2022 12:20

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