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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Hollywood, Florida, United States. Most of the time, I don’t use it at all. Friends listening to my system concurred.

Dbx 4bx expander with original box, controler and user manual. When I got it, the bypass switch was very flaky, I used de-oxit and that cleared things up.

Well, mxnual I get the switches to work properly, I’ll be dumping it cheap, just to get rid of it. I do not want to take up my download space alotment with this.

Please enter 5 or 9 numbers for the ZIP Code. I scoured the web and came up empty.

Dbx 4BX Multi-Band Expander Manual

It is very difficult, mint condition, recapped, calibrated by specialized technicians, it comes with its original box, owner manual, and remote control. I was playing around with my 4BX again today.

The original complaint is one I am familiar manuzl, and it’s legit in my opinion – I think the 3BX series II and 4BX both were overly sensitive to HF threshold and less so to B4x, at least when calibrated to factory spec. Any international shipping and import charges are paid in part to Pitney Bowes Inc.


Factory technician for both Yamaha and JVC. Share this post Link to post Share on other sites. Mouse over to Zoom – Click to enlarge. Is it reasonably quiet? Sign in to check out Check out as guest.

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Other offers may also be available. Time to take it apart and clean everything, thoroughly. I just bought a couple Khorns and an RSW 15 sub.

Seller assumes all responsibility manaul this listing. Those pro rack manhal work just fine too, in the hands of trained professionals, which is why they are still around and still being used today. Please enter a valid ZIP Code.

For this unit to cause a frequency skew with your equipment like you describe is certainly a bad thing- I would contact dBx and see what they say about such a condition. The gear is pretty damn reliable but with age components just deteriorate. For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab. 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 dbbx in a mixing session, for example.

Find all posts by J B S. Class A Clown Serious Tapehead. Hence the artifacts are incurred. As far as NR goes, the best scenario is to not need it. The expander dynamically adjusts the gain to get the 93 dB figure. I’ve heard these processors when they were brand new.


This item will ship to United Statesbut the dvx has not specified shipping options. The dbx system, however, exhibits artifacts even when the deck is properly calibrated.

I’ll be happy to counter that it works very manuap when used correctly, and I was around when it was being sold new and learned how to use it correctly.

Dbx 4BX Multi-Band Expander Manual – [PDF Document]

I don’t want to replace caps, as I don’t have a SM and don’t want to mess up any internal calibration. This manuxl be also present in your unit. Not for the 4bx, but for the 5 and the I have asked by PM the two individuals that I thought most likely to have but I am coming up empty. One reason the low end could be deficient is bad dvx old bypass capacitors.

Makes a huge difference, at least in my systems. Add to watch list Remove from watch list. The sound will be much cleaner.

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I just know I don’t like it, and I’ll be selling it soon. User Name Remember Me? I’m just saying that the increase in dynamic range provided by a 4bx or 3bx unit comes at a price.