Posted by Wayne Parham on October 15, 2003 at 18:45:43

In Reply to: using a Celestion G18Q-400 in a 4Pi-18 posted by bikehorn on October 15, 2003 at 15:59:47:

PiAlign recommends 4.0ft³ tuned to 50Hz using a rectangular 5.8" x 10.3" port that's 9.2" long. Response is nice and flat with f3 of 60Hz and f10 of 40Hz. A four π-18 cabinet is a good choice also, providing an EBS alignment having a -3dB shelf from 40Hz-100Hz. Response is nice and flat in the shelved region with a slight 3dB rise through the 100Hz - 200Hz octave. Considering the shelved region as the baseline, f3 is 40Hz and f10 is 30Hz in the four π-18 cabinet.

• ahhhhhhhhh! hardcore physics!! - bikehorn 17:03:08 10/16/03 (2)
  • Re: ahhhhhhhhh! hardcore physics!! - Wayne Parham 22:55:05 10/16/03 (1)
    • maximum thanks! nt - bikehorn 15:02:28 10/18/03 (0)