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No sound from SPL EQ Series 1000 amp on Channel A

Hi, I am not getting any sound from channel A on my amp - there is signal but no sound? Please can someone help on what might be the problem and a solution. Many thanks. :)

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Check your remote wire from the amp to the back of the radio also check your ground wire as well or it can be simple as the channel is burned out so switch channels to see if that works

Posted on Mar 23, 2014

Testimonial: "Hi David, Thank you for your reply, - I am a complete technophobe and really am unsure where to start. Please (if possible) can you tell me exactly what im looking for? many thanks. Lewis."

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I have the Nitro BMWX 483 4 channel amp, BMWX 484 2channel amp , and I have the Nitro BMWX 424 4 band EQ !! Now what I'm trying to do is hook up both amps together to the EQ ! So far, I hav the BMWX...


From what I have read about this EQ it is just for subsonic frequencies. You really don't want to run your components through this EQ. Leave the components running off of the 4 channel amp and your sub box on the two channel with the EQ in series between your head unit and the sub amp.

Jun 30, 2011 | Nitro BMW-483 Car Amp

1 Answer

Hello i need help please..... I have a Technics SU-Z550 and SH-8055 Graphic Equalizer My amp has lost power... lots.! its working one channel louder than the other but the one which is louder still has...


If the same channel is dead on the EQ as is dead on the amp there may be a correlation.

Let's break this into its two parts.

1) SU-Z550: You don't say WHAT source(s) you tried to use on the CD/AUX, TUner and PHONO inputs. The external device itself could be the source of the low volume. Try swapping the Left and Right cables to see if it follows the source channel or stays with the amplifier channel.

Check the controls on the amp to make sure you understand each one's effect on the sound.

"PHONO" is literal and exclusively FOR A TURNTABLE - NOTHING ELSE - EVER.

2) SH-8055: Equalizers don't 'boost' sound, they modify its levels at various frequencies. To do that they should be connected into a Tape loop on your amp. OUTs go to IN's. Then you select the Tape Loop on the amp and that inserts the EQ into the signal path of whatever source you're listening to. It's actions are BEFORE any other amplifier controls such as volume, tone and balance. The EQ itself also has a Tape Loop to replace the one it occupies. Make sure it is not enabled unless you have a Tape Deck on it to use. Choose "SOURCE". The blue LED display is to show you frequencies are present in the program material.

Set all of its lighted band controls at midpoint prior to declaring it defective. EQ is like any spice - a little is good, a lot ruins the recipe.

Mar 21, 2011 | Technics Audio Players & Recorders

1 Answer

Hi i trying to figure out how to wire up my rca's i have a pionner deck in on the back of it it has front output,rear output,sub output ,and also a audio output .now im trying to up it to a clarion eq that...


The "Front output" from the Pioneer deck would connect to the "Main In" on the Clarion EQ. I'm assuming that your Clarion EQ can only deal with one input, and will send the adjusted (equalized) signal out both of the outputs.
The "Front output" from the Clarion EQ should go to the "Front Input" on the 4 channel amp.
The "Rear output" from the Clarion EQ should go to the "Rear Input" on the 4 channel amp.
The "Sub output" from the Pioneer deck would connect to the Left/Right Input on the Epicenter. The Left/Right Output on the Epicenter would need a Y-splitter for each side, so that you could connect each amp separately. One suggestion would be to use one sub amp for both subs.

Feb 18, 2011 | Clarion Car Audio & Video

1 Answer

I have this mixwer for domestic use only, swithced it on last night and power is there, but no sound at all, from any channel.Could you please advise,


Make sure your audio source is playing.

Make sure your channel is not muted.

Make sure your channel is assigned to "main mix" (bottom button to right of main volume slider).

Make sure your main output slider has volume applied.

Make sure the cable you're plugging into your "main output" is being plugged into the 1/4" or xlr output receptacle that corresponds with the slider you provided volume to.

You should then put the outgoing cable into either an eq or an amp.

If you're going to an amp first, place the cable carrying the signal from the board into an "incoming" slot on the amp. Run a cable from the output of that channel of the amp to a speaker. Turn on the amp and fade the volume knobs up. That should give you power - provided your board, cables, amp and speaker are working properly.

If you're going to an EQ first, place the cable carrying the signal fromt he board into an "incoming" slot on the eq. Then run a cable from the output of the same channel on the eq to an incoming slot on your amp. Then run an outgoing cable from the same channel on the amp to a speaker. Flip your eq on, flip your amp on, fade up the volume on the amp, and make sure you don't have a gate closed on the eq (also make sure if you have a gain knob on the eq, that it's at least partially providing power). If your board, cables, eq, amp and speaker are working properly, you will have sound.

Nov 18, 2010 | Yamaha Mg8-2fx 8-Channel Mixer with...

1 Answer

Sound cuts out


Hi Darren.
I suspect you may be right about the eq here, though you probably have had it sorted by now.
I came across this thread because I was searching for a fix to my R-231 and was hoping you might be able to help me if you found a fix. I'm persisting with this one as I can't really get another just now and it seems that it's not a major issue. I managed to get a good signal out of it when I ran it without the ground connected on output???
Anyway, any info I would greatly appreciate,
Thanks, Rob dronno@live.com.

May 20, 2010 | Digi-Tech DOD-Digitech 231 - 31 Band Per...

1 Answer

How to connect vmx 1000 to eq


What EQ? A 7-channel mixer might need 7 channels of EQ, no? Or are you just placing it on a stereo in/out? Follow the directions for the EQ.

May 17, 2010 | Behringer Vmx-1000 DJ Mixer 7 Channel -...

1 Answer

Spl 620 wn put out loud enough does have sound did i wire it wrong?


Hello ace_sterling,

Not knowing what you have the SPL-620 driving or knowing how you have it wired, it's rather difficult to determine if it's wired "wrong".

I show the SPL DK2-620 as being a 2-channel amp with 150 watts output at 4 ohms, or 180 watts at 2 ohms. Even if the power is somewhat overrated, it should provide more than enough power for a set of standard 2-way or 3-way speakers, or component speakers with a separate crossover.

Powering one or more subs is another thing. You would get sound, but the subs would not be very loud. In bridged mode, the amp is only stable to 4 ohms. So if you are trying to power 2 4-ohm subs, the best connection would be 1 sub connected to each channel. If you are powering only 1 sub, then the bridged connection would be best.

Hope this helps. If it does, please rate as "FixYa".

Apr 23, 2009 | SPL Audio Car Audio & Video

1 Answer

550x2 subs....SPL z2x-820 Amp


Hello,

The 230 watt amp is a little small for your subs. They'll work, but if you are looking for max SPL, you won't get it. To push those Audiobahn's to their potential pavement shaking max, I would recommend an amp in the range of 500-600 rms (2-channel bridged) or 1000 watts rms monoblock.

Hope this helps.

Mar 28, 2009 | SPL Dynamics Z2X-820 Car Audio Amplifier

2 Answers

I have bose 901 speakers. what kind of amplifier(equipment) doI


You will need a pre-amplifier,a tuner,and a cd player.also the Bose active EQ that matches the series of your 901s.

Jan 02, 2009 | Bose 901 VI Main / Stereo Speaker

1 Answer

Bose 901 series 2 speakers


I wrote most of this for a different receiver, but if you account for minor differences to your receiver this will work just fine.

There's good news and bad news. The bad news you need a separate amp because a multichannel receiver with Bose 901's attached as recommended for a standard stereo receiver will only sound right in STEREO on stereo analog material. The other speakers around the room are not designed to receive its Active Equalization and if you engage your Tape Monitor you will NOT BE ABLE TO HEAR DIGITAL sources at all. Tape Monitor is for analog stereo material only and on modern AV receivers it disables any digital inputs so you really can't use the Tape Monitor circuit or attached devices for modern digital sources. However, you can still employ the various DSP options to spread 2-channel analog source material around the room. I do.

The good news. I have a setup similar to what you want 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 it with the Active EQ between the receiver Front L&R Pre-Outputs ** and the 901's amp channels.

** Front Pre Out (or one of your analog Tape Outs) >>> Bose EQ Amplifer IN, then
Bose EQ Amplier OUT >>> new amplifier IN.


Attach the 901's to the new amp, set its volume to Max and run through your receiver's speaker level setup.

Write off the Tape Out as an input if you use it to extract the Front L&R channels. DO NOT monitor it or you'll chop the 901's out of the signal path AND kill any digital source audio in the receiver.

Nov 23, 2007 | Yamaha HTR-5790 Receiver

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