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Multiple units exceed published ratings evaluated under EIA 426A specification while tested in a free-air, non-temperature-controlled environment. Multiple compression drivers exceeded published ratings evaluated under EIA-426A or AES specification while mounted on Eminence’s H290, H290S, or H2EA horn in a non-temperature-controlled environment.
The average output across the usable frequency range when applying 1W/1m into the nominal impedance. i.e: 2.83V/8Ω,
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Discussed in fEARful 1515/66 in the TalkBass community
I was looking at getting a flatpack to put it together myself since I have a couple kappalite 3015's to use, but I just realized mine aren't the LF models. Has anyone built using ... ... more
Greenboy designed a cab called the Dually that can be ordered with 3015 or Faital 15PR400s. It's more of an old school 215 design. I don't think there is a flatpack, but you could ... ... more
Discussed in How to choose a replacement speaker? in the TalkBass community
Thiele and Small worked out the math AFAIK this occurred in the 50 and 60s. Thiele/Small parameters - Wikipedia Now drivers have T/S parameters that describe various electro-mechanical characteristics. You could actually learn the math, but it's not necessary. Instead, you put the T/S parameters into a program or app that ... ... more
Discussed in High Pass Filter Questions in the TalkBass community
A primary job of the HPF is to protect the speaker. To understand what's going on, it helps if you have some idea of how bass reflex cabs work. The port of a reflex cab is tuned to start resonating where the driver starts to roll off. The idea is the port will extend the response of the cab below what the driver can provide. ... ... more