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When I try to increase the gain level on my active woofer it will rumble that I have to keep at a very low level?

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The input is to high of a level(sub pre out) or there is a input ground problem

Posted on Oct 12, 2008

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What r the best settings for a Power Acoustic PEQ-73 7Band passive eq, electronic crossover, sub woofer level control


Depends on your room, speakers being used, size of sub woofer, amp set up ect.
There is no "best setting" for every application. If that was the case a variable control would not be needed.

Some rooms are boomy, which would lead you to turn down low freq's. Some rooms are very splashy, in which case high will need to come come down. Some rooms are very dead in either lows or highs, in which case those freq's would need to be increased.

To get a baseline on what your rooom is like send some pink noise through your system and analyze it with a RTA. (real Time Analizer) There are free apps you can use on your phone or pro audio products that do a very good job. With pink noise being pushed through the system you will see what freqencies are naturally louder or softer in your room. Then you can adjust that real time on your eq and see the changes.

This will set your room to a flat response, however lots of people don't like that sound and want more punch,growl, or clarity. In that case simply adjust the low, mids or highs to your own listening preference



Feb 22, 2016 | Audio Players & Recorders

5 Answers

Broken connector in subwoofer connection on receiver


The only thing you do is to open your receivers,then locate the output connector if you see the female RCA jack ,then push it out the broken piece ,that's it

Jul 27, 2008 | Audio Players & Recorders

2 Answers

I have a sony str de 325 receiver....what sub woofer will go with it and where do you plug it into the receiver?? Thanks


You will need a powered sub, one that has a built in amp. It will also need speaker terminal type inputs. Use the B channel to send signal to the woofer. Since the audio from the B channel is full range, use the crossover on the sub to determine which frequencies you want to hear. I would start at 100Hz and go up and down from there. Use the gain to adjust the volume in relation to the other speakers. The sub volume will be affected by the master volume.

Please rate if this helpful

Apr 05, 2011 | Sony STR-DE325 Receiver

1 Answer

I been having a problem with my JBL TLX CSS-SUB1, I don't have the manual. Connecting speaker wires from the JBL TLX CSS-SUB1 to the a Digital Audio/Video Control Center ( it's a reciever) I confused,...


The connection on the receiver would be the sub woofer out. Not a sub woofer out LFE, a sub woofer out with speaker wire connection. From there you plug it in to the top section of the available terminals on the sub you are referring to (speaker level input). One in positive and the other in negative matching what you did on the receiver with correct ends. The speaker connections underneath the top connections is for additional speakers like surrounds to be able to be connected directly to the sub woofer speaker level out for sound. This of course would be for an older receiver connection. I do not think it is possible to convert this connection to an LFE and have it work properly. If the receiver does not have sub woofer speaker connection and only a RCA out then you can try to connect both rear speaker connections from the receiver to the speaker level inputs on the sub and then connect your rear speakers to the speaker level output on the sub to power them. This is an active sub woofer but for some reason they made it connect as if it was passive. I am not sure if this sub is designed for really low frequencies required for movie or if it is better for music.

Nov 01, 2010 | Audio Players & Recorders

1 Answer

How do you adjust the bass levels on a Yamaha HTR6130 receiver? I can get the display to show Bass 0db, but what button changes the settings?


When you touch tone button on your front panel repeatedly, you will get two option for setting bass and trebble, when you select Bass immediatly press your updown Sound field Program Button.
Please note:for better sound if your using Small front speaker keep bass to 0db and select the low frequency through sub woofer and program manually LFE from only Sub woofer and addjust CUT off frequency of Subwoofer to 160 and incase if your bass is not clear put it into rev mode.

Oct 05, 2009 | Yamaha HTR-6130 Receiver

1 Answer

SUB WOOFER


Connect it to the "subwoofer out" plugs on the back of the receiver, red is positive, and black is negative. If no "sub-out" then seperate amp with speaker level inputs and low-pass filter...

Good Luck

Jun 22, 2009 | Pioneer VSX-D608 Receiver

1 Answer

I had taken out my woofers from my car and someone had touched the gain and hz control on my amp. when i hooked it back up it was not the same. i was wondering what settings i should have it on...and also...


i would set the gain to half way deppending on the wattage to high of gain is hard on amp an could cause to fry, to low of gain would cause distortion an would sound horrible half way is good, an for the other question (LP) - Low Pass - not sure what AP Is never heard of it, an (HP) High Pass

Nov 07, 2008 | Audio Players & Recorders

1 Answer

I have a Denon AVC 3030. In pro logic mode it makes a rumbling through my right and left speakers. During quiet parts of movies it is quite annoying. I know it's old but I really like it.


If what you mean is a low humming sound when the volume is turned down to minimum level, this is usually from power supply filtering problems. Most of the time this is from the electrolytic filter capacitors going out of spec with age and use, and or voltage retulation problems.

If the sound is quiet with the volume turned down, and the hum or buzz increases with the increase of the volume control, this is usualy due to a ground loop problem between the associated equipment connected to the amplifier, or a bad interconnect cable.


Jerry G.

Apr 26, 2008 | Audio Players & Recorders

1 Answer

Sub woofer


Is there a gain control on the sub? If not, are you using a receiver or pre/processor to control volume? There could be a level adjust or on/off control for the subwoofer output.

Jan 20, 2008 | Pioneer VSX-D511 Receiver

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