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Dbx compressor/limiter/gate i hooked up the dbx to my home stereo and no sound came through the speakers unless i pushed the bipass button.

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Haven't tried this myself, but first thoughts that come to mind are that it sounds like you must have the connections right for things to work when in bypass (which routes the signal straight from the input to the output uneffected). I'd suggest making sure your gate is 'off'. On the DBX turn the 'threshold' knob in the Expander/Gate section of your front panel all the way counter clockwise to 'off'. I would also start with your compression 'ratio' knob turned all the way counter clockwise to 1:1 which effectively turns off your compressor. If you have sound coming through like this then you can start fooling around with the controls to effect the sound the way you'd like.

I'm sure you're already aware that the compressor has separate mono channels and you'd have to hook up right and left through their own compressor channels to have stereo compression.

Posted on Jan 04, 2008

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I need help setting-up my sound system with following equipment listed below:


Wow....what you have here is a total system design. I really feel you need to get a professional in your area to help you out. There has to be a buddy of yours that knows enough to help out. There are just way too many variables in this that are unanswered. Amp channels, amp output, speaker impedance, other equipment needing balanced or unbalanced, type of jacks, stereo/mono, length of runs, power requirements. It would take me hours to look up the specs of your equip, a couple hours to design and hours of questions back and forth. At best if you let me know where you are I may be able to set you up with someone local to your area.

Nov 14, 2013 | Car Audio & Video

1 Answer

DBX 166xl Which knobs are used to set the reverb.


If you just typed "dbx 166xl pdf" into a search engine (like I just did) the first hit might be the manual.

ftp://ftp.dbxpro.com/pub/PDFs/Manuals/English/dbx166XLManualA2.pdf

Page 6 discusses how the unit can affect such characteristics of a given sound such as reverb but there is no direct control for reverb.

Aug 02, 2011 | DBX Professional Products Dbx 166 Xl 166xl...

1 Answer

I'm trying to connect a dbx 128 and 118 to my adcom565 preamp, teac tape deck, onkyo tuner, anf radio shack cd recorder, but i'm not sure it can be done. Can anyone help me?


Of course it can be done.

I'm wondering, what's the NEW piece of this puzzle? New dbx gear?

The preamp has two tape loops plus a processor loop (essentially 3 tape loops). You can discount the tuner for this discussion as it already has a dedicated port.

Here's what I would do (and have done *). Get yourself a dbx 400 or dbx 400x Program Route Selector and simplify all of your current and future analog hookup options.

(* I, too, have a CD recorder and a tape deck plus some different dbx units (4bx, 110x-ds; 224) and other toys.)

One on eBay at $59 (a steal so far) expiring Mar 9:
http://cgi.ebay.com/DBX-400X-Sound-Processor_W0QQitemZ270540334138QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3efd75e43a

and a link to the manual so you can see how it works:

http://www.dbxpro.com/product_downloads/Owner_Manuals/400%20Owners%20Manual.pdf

It takes up ONE tape loop and allows attachment of 3 processors and 3 tape decks PLUS a dbx-style noise reduction system if you have one; and can logically rearrange the processors to be in line with any source and BEFORE, AFTER or BETWEEN tape decks with or without the Noise Reduction Processor involved, all via front panel illuminated buttons.

If you don't want to go the 400x way your options are severely limited re: the tape deck because even though the dbx processors can fit in nicely on the preamp, I don't think the preamp can place them in front of AND after the tape decks, depending on your desires for pre- or post-processing.

Mar 02, 2010 | Bose 901 VI Main / Stereo Speaker

2 Answers

White screen on the dbx driverack pa? how to fix?


You can adjust the LCD contrast by pressing the Utility button and turning the dial one way or the other. Pressing the Utility button toggles back and forth between LCD contrast and Compressor/Limiter Threshold Meters, so since you can't see anything in the window you may have to press Utility twice, though I think LCD contrast is the first option.

Jan 17, 2010 | DBX Driverack-Pa Eq/Speaker Control System...

1 Answer

How do you control the signal coming back from a reverb etc.


The FX connection sounds correct:
To control the fx you need the FX send and return Faders up, and turn up the FX pot on the channels u wish to add FX too.

Compressors can be used in many ways, for system protection, instrument processing, and for containing vocals:
How you connect them to your system depends on what your wanting to compress. If you tell me what you are using it for i could recommend the best option to suit you. e.g vocals FOH / FB- 1 singer 2 singers, Instrument Gating/comp. let me know for more detail??

The most common connection is to insert the compressor over the individual channels you wish to compress using insert leads.

Lets presume your tyring to compress more than 2 channels:
for example- you have a female singer that is mainly soft but hits some really belting notes every now and then, you want to compress her vocal so that the volume in the speakers does not increase as significantly with the loud notes.
Lets say she is in channel 1, you want to send channel 1 to group 1(or 1&2 if they are not individually assignable) and don't send it to ST(stereo).(same settings for any other channels you want to compress)

Connect the compressor via Insert leads to the group inserts.

Assign the group to the Stereo outputs (the group fader now acts as a sub-master for the vocal and will need to be up to hear the vocals)

- If you havn't got insert leads you can also take the group output and plug into the compressor, out of the compressor- into a stereo channel that is assigned to ST. and leave that channel up as well.
-----------------------------------------------------------------------------------------------
Another common connection for a compressor is:
Take the main L&R outputs- plug into the compressor, out of the compressor- plug into Amplifier L&R. This compresses the whole lot and may not be ideal for instruments and CD playback. This option is purely for system protection.

I hope you can make sense of this.
If not- i can provide more detail if you wish.

Goodluck
PTB



Apr 11, 2009 | Phonic - XP 5100 - 5000 Watt Power...

1 Answer

Bose 901 Active EQ Loop


There's good news and bad news. The bad news is that a multichannel receiver with Bose 901's will only sound right in STEREO on stereo analog material. For one thing, the other speakers around the room are not designed to recieve its Active Equalization and for another, if you engage your Tape Monitor you will not be able to play digital sources. Tape Monitor is for analog stereo material only and on my receiver it disables any digital inputs.

The good news. I have a setup similar to what I think you're trying to do and it works great!

A separate stereo amp for the 901's was my solution. I run a Carver AV-406 (5-channel amp) for my 901's in Front, 2 Subwoofers and the Rear Surround channel, with the Active EQ between the receiver Front L&R Outputs and the 901's amp channels. My receiver controls everything and just drives the Center and Surround speakers. You could get by with just a stereo amp for the 901's. A Carver M-200 is a good efficient amplifier that would have you cooking just fine (2x100W).

Run the dbx and BSR in tandem with each through the tape monitor loop on the receiver but be advised you can only use them on analog source stero material. However, you can still employ the various DSP options to spread the sound around the room.

At my PC workstation across the room I have a stack of analog processors and sources including dbx 3bx-ds, dbx 120x-ds, BSR Spatial Enhancer, BBE 462 Sonic Maximizer, SS-525x EQ, Carver C-9, dbx-224x, JVC cassette deck, Dual 1249 Turntable running through a Garrard MRM-101 Preamp, Pioneer PDR-509 CD Recorder and the Media Center PC stereo analog channels all running through a dbx 400x Program Route Selector (a godsend) which is attached to my ONE TAPE MONITOR on my Pioneer VSX-36TX Receiver. Of course, I have some of my analog processors running in tandem, too, since the 224x only has three processor and three tape loops.

For listening/recording anything 2-channel analog I engage the stack through the Tape Monitor. For everything else I turn the Tape Monitor off. The nice thing about the stack being separate is that I can doodle with recording and use headphones while the TV/DVD/Blu-Ray do something else.

Jan 10, 2009 | Onkyo TX-SR705 Receiver

1 Answer

We have a dbx Driverack PA unit with a Crown CDi1000 amp in our church. Recently, we starting having problems with the output to our main speakers dropping out. We found (by accident) that if we unplugged...


Check the speaker wires coming out of your amp. Chances are you have a problem with a speaker wire and this is just a coincidence. I say this because the same thing happened to me during a live show and I about had a heart attack. We lost the front of house for about 15 minutes while I tried to troubleshoot the Driverack, the board, and everything but the speakers and speaker wires. The cables were a recent purchase and were premium grade with light wear so I mistakenly ruled them out. It was intermittant so it took me a while to figure out. Now I understand that that's the weakest link in the chain and from now on I start there and work backward through the chain (that is, if all sound is cutting out).

Do you use banana plugs (two metal pegs sticking out of a plastic rectagle) coming out of the back of your amp? There are little screws inside the holes on the back of the banana plugs. Those can vibrate loose, especially if they're just factory tight. Get a little standard screwdriver and tighten them down. That will probably solve your problem.

Okay, wait a minute -- could be one more thing. You mention that the loud popping can be heard. Do you have any gates turned on? Most compressors have gates. Check your compressors to see if you have your gates turned up too high. A gate set too high would allow the loud pop to go through to the PA but would cut off everything low to mid-volume.

I guess you can see that I don't think it's a problem with the Driverack. I don't work for dbx or anything, I just think these other things are far more likely than a problem with the unit.


Jan 02, 2009 | DBX Driverack-Pa Eq/Speaker Control System...

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