T/S parameters for drivers in parallel
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 Multi-Way Conventional loudspeakers with crossovers

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 23rd April 2004, 03:57 PM #1 teodorom   diyAudio Member     Join Date: Apr 2004 Location: Milano T/S parameters for drivers in parallel Hi all, does anyone ever measured the T/S parameters for a set of drivers in parallel ? Are the rules of thumb (usually stated: Re:=Re/N, Vas:=n*Vas, ..., and so on) confirmed by some measurement ? Thanks __________________ Teodoro
 23rd April 2004, 04:34 PM #2 Timn8ter   diyAudio Member     Join Date: Jul 2003 Location: Seattle, WA For modeling two drivers wired in parallel Vas, and Sd are doubled, impedance in halved, and SPL is +6.
 23rd April 2004, 06:36 PM #3 Svante   diyAudio Member     Join Date: Feb 2004 Location: Stockholm I posted this in a previous thread: ------------- Assuming that a is the number of elements that are connected in series, electrically, b is 1 for normal configuration 2 for isobaric configuration and n is the total number of elements, Vas1=Vas*n/(b^2) Bl1=Bl*a Sd1=Sd*n/b Re1=Re*a^2/n Le1=Le*a^2/n Isobarik mounting meaning mounted in pairs, no more. Index 1 are the new values. ----------- For two elements connected in parallel electrically and mounted side by side on the baffle (not isobarik), a=1, b=1 and n=2. __________________ Simulate loudspeakers: Basta! Simulate the baffle step: The Edge

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