Question about LogiSys SP6006CL Clear 2.1+1 Multimedia Clear Speaker w/ Blue LED - RETAIL Computer Speakers

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Increase sensitivity of speakers & subwoofer.

I would like to increase the sensitivity of my speakers. Their sensitivity is set at 300mV and that is way too loud for my use. I have to have the volume turned too high for my small space, so I think I need to increase the sensitivity so they will light up at a lower volume. (the lights are the reason I chose these speakers in the first place!) The speaker sound is fine at lower volumes, but I can't get the lights. Help! Thanks! :)

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Hi, am afraid the only way this could be done is going inside the enclosure and modify the circuitry of the light activating section. If you are comfortable working with soldering iron, testers and printed circuit board (pcbs) then you might have a go for it. Simply add a preamp in between the sensor and trigger (or amp) for the light. Other than the input and output of the pre-amp, only the + and gnd leads need to be connected. Get one of those preamps from RadioShack or hardwire one using LM741. Just make sure the B+ is roughly the same. You may want to add a trimpot to be able to adjsut sensitivity. But then again, there might already be a trimpot (variable resistor) adjustable for this purpose. You still have to open it up and look for it. It should be near the frontend (sensor) of the light trigger no the ouput. If you're not too comfortable with any of the above, you probably should seek the help of an electronics technician capable of component level work. Hope this be of some help and good luck.

Posted on Apr 23, 2007

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Posted on Jan 02, 2017

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Hello ! I have a Sony DAV-DZ640K Home Theater System, the problem is that I can increase and decrease sound levels for individual speakers, like i am able to increase and decrease surround (back) speakers...


Sound distribution varies according to speaker configuration. You have to select speaker size and placement and a number of other characteristics to get results. A review of the setup instructions in accordance with the physical size of the speakers you are using and nominal impedance values may help.

Feb 26, 2014 | Sony Audio Players & Recorders

1 Answer

Hi! I have a Pioneer VSX - 415, but get the message "Overload" as soon as I turn the volume up just a little. What can I do?? Eyvind


There are several things you can do, but taking the simplest things first into consideration.

Wiring. If you have any loose speaker terminal connections at either end, or any stray strand wire near the receiver chassis it can cause this problem. It's likely that this is actually NOT the case in your particular situation as it appears to be volume control related, but this condition will also cause an overload message as well.

Speakers...lack of efficiency/sensitivity, high or otherwise unstable Ohm rating will require more power. Ohm ratings are based on a nominal impedance (resistance) of a specified input voltage by industry standards, and can vary considerably with signal frequency. Higher impedance occurs as input frequency is decreased...more on this later.

System setup. How many speakers are connected? Each terminal is designed for one channel connection. If you have multiple speakers, i.e.; spliced in series such as with separate enclosures that have multiple drivers, this increases the resistance and power consumption dramatically.

After the above considerations are addressed and resolved but you are still experiencing the problem, do one or all of the following;

Check your audio configuration. If your system has an equalizer, loudness control or "bass boost", turn them off. More bass requires more power from the amplifier, thus can be a cause of the overload you are experiencing.

Adjust your crossover. If you are using an active subwoofer, increase the crossover frequency point in the speaker setup menu of the receiver. You may or may not have to set your other speakers' setting to "small" to enable the digital crossover feature, but setting them to small is preferred in your case. This will allow the subwoofer (if an active one) to handle a broader spectrum of the bass frequencies, rather than the speakers that are being powered by the receivers' amplifier that is currently being overloaded. It will also improve the sound quality. You however, do not have to have connected nor use a subwoofer to do this type of setup, simply increasing the crossover point will omit some of the lower frequencies that are putting higher demand on the amplifier. Alternatively, you may also increase the crossover frequency at the source material, such as your CD or other player instead of in the receiver.

Dec 12, 2010 | Pioneer VSX-415-S 5.1 Channels Receiver

1 Answer

When I do a noise test I get no sound out of the woofer. I am getting no bass from the woofer


These are "decent" quality 5.1 speakers, usually without any trouble.

Now, to your question, you will not have 5.1 "surround sound" effect with standard sound card, standard sound card will provide only three speakers sound, rear speakers will not connect but bass should be hear. Please switvh power off to the speakers and disconnect all cables from spaekers and connect them for best quality as follows:

1. Audio from PC, orange, green and black connecting to front right speaker.
2. DB15 (D-SUB) connecting to subwoofer, subwoofer is serving as mixer, power board, amplifier and connection box, control pod is just cable connection to it
3. Connect all cables to they respective speakers

Establish location of the speakers, from experience, in ideal world:

1. Sub should be on about your knee level or below, about twice your hight from you.
2. Front centre speaker should be about some distance as sub or bit closer on front and slightly above your head.
3. Front left and right speakers should be at about 45degree from your axis, at distance of about 1.5 your hight and on the level of your head or slightly below.
4. Rear left and right speakers should be located similiary to front speakers, on they level or slightly above them, again, about 45degree from your axis.

Location of the speakers is more actually important than it is assumed, total sound immersion is not possible without proper speakers installation. Head in these instruction meant a location of your head while you are listening to your music or recording not while you are standing.

In reality... hang them higher than your head in four corners of your room, front centre higher than sides, woofer lower than sides and below front centre, if they interfere with each other - increase the distance. I hate reality...

After speakers are connected:
1. Plug power cord in,
2. Turn all sounds totally down, including subwoofer
3. Increase sound on PC to maximum, let play any known to you music, tufftuff or bach, whatever, do not bother with metallica as you cannot discredit on it correct levels.
4. Increase subwoofer volume, holding one hand on the front of the grill till you get some vibration from it
5. Increase sound on centre speaker, then on sides front speakers till you achieve equality of the sound
6. Decrease sound volume on your PC to about 60% - 70%
7. Increse subwoofer volume till you feel sound on your hand in front of the speaker.
8. Increase sound volume on front/rear speakers as required.

Hope that short intro solved all your speaker problems, enjoy! if you require any additional help, do not hesitate to answer to this post with request.

Aug 12, 2010 | Logitech G51 5.1 Multimedia Surround Sound...

1 Answer

I bought these x 240 speakers used. do i need a driver to run them? where do i connect the plugs, black and green?


These are "decent" quality 5.1 speakers, new were on about $100.00 to $150.00, have two years warranty from time of purchase.

Now, to your question, you will not have 5.1 "surround sound" effect with standard sound card, standard sound card will provide only three speakers sound, rear speakers will not connect.

Connect speakers as follows:
1. Audio from PC, orange, green and black connecting to front right speaker.
2. DB15 (D-SUB) connecting to subwoofer, subwoofer is serving as mixer, power board, amplifier and connection box
3. White plug is connecting to front left speaker
4. Red is connecting to front centre speaker
5. Black is connecting right rear speaker
6. Yellow is connecting left rar speaker.

Establish location of the speakers, from experience in ideal world:

1. Sub should be on about your knee level or below,
2. Front centre speaker should be about twice your hight distance from you, on front and slightly above your head.
3. Front left and right speakers should be at about 45degree from your axis, at distance of about 1.5 your hight and on the level of your head or slightly below.
4. Rear left and right speakers should be located similiary to front speakers, on they level or slightly above them, again, about 45degree from your axis.

Location of the speakers is more actually important than it is assumed, total sound immersion is not possible without proper speakers installation. Head in these instruction meant a location of your head while you are listening to your music or recording not whil eyou are standing.

In reality... hang them higher than your head in four corners of your room, front centre higher than sides, woofer lower than sides and below front centre, if they interfere with each other - increase the distance. I hate reality...

After speakers are connected:
1. Plug power cord in,
2. Turn all sounds totally down, including subwoofer
3. Increase sound on PC to maximum, let play any known to you music, tufftuff or bach, whatever, do not bother with metallica as you cannot discredit on it correct levels.
4. Increase subwoofer volume, holding one hand on the front of the grill till you get some vibration from it
5. Increase sound on centre button of the right fron speaker till you achieve equality of the sound
6. Decrease sound volume on your PC to about 60% - 70%
7. Increse subwoofer volume till you feel sound on your hand in front of the speaker.
8. Increase sound volume on front/rear speakers as required.

Hope that short intro solved all your speaker problems, enjoy! if you require any additional help, do not hesitate to answer to this post with request.

Aug 06, 2010 | Logitech X-530 Computer Speakers

1 Answer

Very low level on lfe channel : impossible to calibrate with Audissey reset done : same problem


Enter the menu and navigate to speaker levels. Increase the value for the subwoofer/LFE. If that does not produce results, increase the volume control on the subwoofer unit.

Jun 14, 2010 | Onkyo TX-SR875 Receiver

1 Answer

Sub seems to not get louder with volume increase. It seems to be overpowering at low volume or boomy then as you increase volume the front main speakers seem to take over.


Try adjusting the frequency cut off of the sub and also play with the gain control on the sub. Turn your system up to where your front speakers are sounding as you like. Then try adjusting the sub to match the fronts so you have a good balance and blend.

Aug 05, 2009 | Velodyne CHT-12 Subwoofer

1 Answer

How many ohms? 6 ? 8 ?


David,
The AT line were all rated at 3.2 ohms. Any amp or receiver rated to handle 4 ohms loads will work. The fuses and tweeter breakers are sensitive to clipping so most low cost amp's and just about every receiver will cause undue clipping. CV stated that increasing the fuse a half amp would increase the time before blowing the fuse or breaker but that will only cause additional harm to the voice coil.
Chris-

Mar 17, 2009 | Cerwin Vega LS-15 Speaker

1 Answer

Speakers are thumping and cracking when powered up...why?


you are better off setting your deck speakers amp to a high pass filter setting on the amp. Adjust gains to increase desired bass and clarity. Turn off loud button if you have one, that will distort your deck speakers.

Feb 13, 2009 | Power Acoustik PTID-8960 Car Video Player

1 Answer

High x-max vs. high sensitivity


Sensitivity is a representation of efficiency. The higher the efficiency, the better the sound quality.
Xmax is a measure of the "throw of the cone peak to peak. This is a direct representation of the volume of air the subwoofer will displace..
A High X.Max subwoofer will displace more air - and therefore produce more SPL in a vented enclosure.
Sensitivity on these subs aren't crucial, because the customer is looking for LOUD and will purchase a large class D Mono amplifier to power it - characteristically low in sensitivity as well due to the way the power is inverted. Highly efficient, yet low sensitiviy.
I am definately a basshead! My show car has (4) 15" Cerwin Vega Stroker PROs. (one of the most highly EFFICIENT high xmax subs available) (86dB). (36-44mm Xmax (adjustable for SQ or SPL)
ea141e4.jpg If you are looking for SPL, High XMax, Low sensitivity, and lots of power is the way to go. Generally, to increas SPL by 3dB, yuo must either increase surface area of driver 2x or double the input power. Slot ports, aeroports, and loaded horn ports can also increase your dB level by up to 3dB as well.
Properly constructed enclosures have an effect as well. Instead of wasting some of your power on vibrating the enclosure, it should be braced properly to reduce the wasted energy.
All of these tips will add tou your satisfaction of the product. You can make a $100 sub sound phenomenal in a proper enclosure, and a $400 sub sound like $hit in a prefab or poorly constructed one.

Your original question - with all things equal except the subwoofer, the subwoofer with the higher Xmax should yield the most SPL - due only to the fact of air displacement.

If you have additional questions or need clarification dont hesitate to ask.

Jan 15, 2009 | Car Audio & Video

1 Answer

Subwoofer volume


ya u cant increase voume (levels) of sub and front channels, those are standards.., u can increase centre and rear speakers... upto 10 db...

mail me at kanny_amancha@yahoo.com


owned yht-165 yamaha

Feb 23, 2008 | Yamaha HTR-5830 Receiver

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