Dbx 4BX Multi-Band Expander Manual. Report. Post on Oct Views. Category: Documents. Downloads. Download. prev. next. out of The dbx Model 4BX three-band dynamic-range expander features an “impact . The complete and well-written manual explains the reason for this restriction. Description modified each production run only for significant variations. Insignificant *minor* variations may occur. Model Designation: dbx 4BX. Literature Type.

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Dbx 4BX Multi-Band Expander Manual

Find all posts by jdurbin1. Subject to credit approval. The push lock switches on these old DBX units do not take kindly to the decades of age.

Manula you have a desire for copies PM me and I will gladly email to you. Music is all about enjoyment, so if dbx pleases you, who am I or who is anyone to tell you otherwise? Shipping cost cannot be calculated. I use my dbx with an old drum machine.

An engineer friend I know beefed up his 3BX-DS using the schematic and putting better components in the power supply section and replacing some IC’s with newer equivalents to boost manuaal. Time to take it apart and clean everything, thoroughly.

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The expander dynamically adjusts the gain to get the 93 dB figure. I’ve not taken it apart, I’m not going to either. Dave, Last PM from you was the cbx. Last edited by vidguy; at Anybody else got anything? The wife is not happy to say the least so I’ll have to cool it for a while. Already have an account? Most of the time, I don’t use it at all.

Originally Posted by jdurbin1. For a nominal charge of course.

I lent him the unit just to try it and give me his thoughts. Find all posts by Skywavebe. Those pro rack processors work just fine too, in the hands of trained professionals, which is why they are still around and still being used today. Email to friends Share on Facebook – opens in a new window or tab Share on Twitter – opens in a new window or tab Share on Pinterest – opens in a new window or tab Add to watch list.

DBX 4BX User Manual – High Quality Service Manuals User Owner Instructions

I’m not hearing tape noise on most of the stuff I’ve recorded on UD Please enter a valid ZIP Code. Anything more and you’ll get that famous “DBX pumping”.

All times are GMT Class A Clown Serious Tapehead. I am going to take it apart tonight and clean 4bd by hand. It’s as if it’s expanding the mid and hi freqs, and pushing the low end down.


It is very difficult, mint condition, recapped, calibrated by specialized technicians, it comes with its original box, owner manual, and remote control. Originally Posted by vidguy. Posted December 8, Image not available Photos not available for this variation. After a week he decided he wanted it, manuwl he started improving it.

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This guy was a total audio purist in every sense of the word. As noted, the switches tend to be highly intermittent with age, and require regular maintenance. With this 4bx get better dynamic range, punch, and details in the transients of your tracks in the mix or mastering, add details punch and transients in their drum buss in a mixing session, for example. Before that the unit produced some ghastly music. You should pick one up it’s much better than daisy-chaining the units if that is what you are presently doing.