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Bass with that "Scooped" sound


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Did a band show in a club with a "DJ" install. Ran across what was the oldest setup I've seen in some time. A pair of 2-15 "scoop" subs and 4 single "scoop" subs a side. Midrange was handled with what looked like 4, 10 inch woofers-in-a-box and some large horn lenses. (jbl?) There was a bunch of bullet tweeters thrown in for good measure. Bass was solid when they played break music but the rest was tinny to say the least.

 

Anyone else run into an old setup like this? Fun to see it up and running yet the 70's are gone....

 

Dookietwo

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With the right drivers those can be effective. They have some "issues" because they are what they are.

They work better to low pass quite high compared to todays subs. 250hz is where I used to low pass them

to the JBL mid box design with the 15" driver and up to JBL 2440's. One can get pretty surprising output from

those older designs. This was 33years ago or more ago. I would be curious to monkey around with some again

with todays modern processors.

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Wow ... I used to have a bunch of those old JBL 4520's back in the late 60's. We installed doors on each side that would fold out when we set them up for what we thought would be extra pattern control. Pretty awesome in 1967 terms with 4 of those on each side.

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somewhat off topic; I went to plenty of rock concerts in the late 60's early 70's that were brutally loud. 1970 (I think) Quaker City Rock Festival at the Philly Spectrum comes to mind. Grand Funk were the headliners, 3 or 4 Marshall stacks each side, and a PA stack of what I'd guess were large horn loaded cabinets. I was deafened for several days afterward, sitting in the last row (18 years old, earplugs, no way). What the heck amps would they have had available to drive a system to that kind of level back in those early days?

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