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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As far as NR goes, the best scenario is to not need it. Thanks for the responses. The gear is pretty damn reliable but with age components just deteriorate.

Last edited by J B S; at This 4bx is special, since it was recapped, some electronic components in the audio path were replaced by first quality components and it was carefully calibrated. Most problems that I have come across with dBx are related to level errors such as the setup of the unit. If not dnx enough for your taste, then I would recommend Dolby, or a better deck. Many listeners agree with me, so I cannot be hearing things.

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Sorry, but when you “tell it like it is”, you should start by reading the previous posts and knowing the equipment being discussed.

Learn More – opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc. For additional information, see the Global Shipping Program terms dgx conditions – opens in a new window or tab This amount includes applicable customs duties, taxes, brokerage and other fees. The item you’ve selected was not added to your cart.


Dave, Last PM from you was the 16th. I used to have a ton of contacts 4bc the DBX world but over years my interests waned and changed. Anything more and you’ll get that famous “DBX pumping”. Just called Peter at Musicians Service.

Learn More – opens in a new 4gx or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc.

Dbx 4BX Multi-Band Expander Manual

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Back to home page. It is very difficult, mint condition, recapped, calibrated by specialized technicians, it comes with its original box, owner manual, and remote control.

My quest for a 4x, service or otherwise continues Well, if I get the switches to work properly, I’ll be dumping it cheap, just to get rid of it.

I remember you telling me about the Hollywood, Florida, United States.

The 4BX is not an NR processor, it’s a dynamic range expander. He thinks he might have a Service manual.

I was playing around with my 4BX again today. I lent him the unit just to try it and give me his thoughts. It does a decent job on signals that are mostly transients. Thanks for the lead to Musicians Service Center. When I got it, the bypass switch was very flaky, I used de-oxit and that cleared things up. Sign In Sign Up. Posted June 17, The handful I do have all cassettes is a mixed bag for playback these days but manuql again I can say that about janual of my older Dolby tapes B too, the difference being they are not completely unlistenable with Dolby decoding turned off.


Learn more – opens in new 4bbx or tab. As caps reduce in value their ability to pass low end is compromised.

Dbx 4bx expander with original box, controler and user manual. | eBay

Dbs 4BX with original remote. People hearing my dbx encoded sound would notice the pumping immediately. Originally Posted by vidguy. The combination of dbx and aging tapes isn’t good. Skip to main content. I could say the same about the SAE and my Burwen processors. Select manusl valid country. Gene Raymond the head service engineer continued to service the gear for years after the folding of the company and when he decided to retire and sold what he had to The Soundwell who in turn sold it Musician Service Center.

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

I have detailed schematics for it in TIFF format but the files are large. The dbx system, however, exhibits artifacts even when the deck is properly calibrated. All rights reserved, no use of any element incorporated into this site without express written permission.