Hi folks, I have downloaded Wayne's giant :-) crossover document and will attempt to digest it over the next couple weeks. In the meantime, I have a couple questions..
- Is it OK to just mount the tweeter on the top of the box instead of in the baffle? Will the crossover need to be adjusted because of this?
- Where is a good place to buy the HF drivers? I'm just trying to get an idea of pricing. Many Pi models use the PSD2002 and H290 horn? I see the PSD2002 at Adire for $89 but no H290.
PE had the PSD2002's for $61.01 last Feb. Check their web site, they give you the price via email almost in real time usually. Try to minimize the separation between the drivers by mounting the woofer high on the front baffle. Sam
Is the difference in the sensitivity due to the H290 horn? Also, is it possible to compute the mechanical reactance circuit values of a woofer from the T/S specs?
Thanks also to Sam P, PSD2002 and H290 are 61.01 and 29.11 from PE :-)
Wayne Parham Messages: 18786 Registered: January 2001
Illuminati (33rd Degree)
Yes, the tweeter is more efficienct because it's horn loaded. As for determination of virtual circuit values for the mechanical resonance, you'll have to back-solve for those. Measure the impedance curve and determine the LRC values that would create that reactance.
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