Perhaps what JBL meant by the 4520 having a 12 foot horn, is the effective length. Yes, the physical length is approximately 8 feet, but the effective length of a low frequency horn based on it's...
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Perhaps what JBL meant by the 4520 having a 12 foot horn, is the effective length. Yes, the physical length is approximately 8 feet, but the effective length of a low frequency horn based on it's...
Since it is good practice to design the fc lower than the fs, I have a set of equations I use in my program which gives me a symmetrical phase angle between the acoustical resistance and reactance of...
Hi RS -
First order of business. The K140 is a bass instrument speaker, and it makes for a marginal horn loader. The 2225 also, is not a decent horn loader. I highly recommend not using either....