I am happy to present you with a project that I did 5 years ago which has served me well since.


- The Equalizer for Full Range Speakers Essentials Kit is available in the diyAudio Store.
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Back in the 80's we built electronic crossovers and included a "bump and roll" to optimize the bass speaker performance. It was just another Sallen-Key high-pass with a high Q. I think we used quad FET op-amps or 4136. The XO were always 18dB. These were part of a sound system deal for clubs or bands. I never made much money in the sound business and left it in ~86.
Who can not like really high quality audio tools? Yes i am guessing that the original Pass diy equipment will ”Pass” our good old greedy bunch of tone deaf dudes quality control 🙂👍
This is going to be really fun and useful for taiming old midrange shouty vinyls, mixed by somewhat tone deaf mofos with lots of wax in their ears 🙂
This is going to be really fun and useful for taiming old midrange shouty vinyls, mixed by somewhat tone deaf mofos with lots of wax in their ears 🙂
Back in the ESS days I called it the Hump and Bump...Back in the 80's we built electronic crossovers and included a "bump and roll" to optimize the bass speaker performance. It was just another Sallen-Key high-pass with a high Q. I think we used quad FET op-amps or 4136. The XO were always 18dB. These were part of a sound system deal for clubs or bands. I never made much money in the sound business and left it in ~86.
I am currently working on a couple of old ESS electronic crossovers.Back in the ESS days I called it the Hump and Bump...
Yup. That's exactly what I've done with great success!Could use in conjunction with the 6-24 analog crossover if I want to EQ one of the drivers.
Thanks Nelson.
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