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Re: Low Frequency Effect
in this case the audio is good but the output speaker is not working because you have blown fuse at the amplifier section thats why cant hear the sounds... check the amplifier section then check the fuse speaker protector.. replace a new fuses with the same rate....
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In most surround sound systems the sub woofer is powered separately and uses a standard RCA coax connection to the receiver/amplifier.
Replacing is simply plugging in the new and reconnecting the coax cable.
Usually the audio signal is Dolby Digital 5.1 the (.1) is the LFE Sub-woofer. The connection is between the Subwoofer RCA connector on the amplifier and connects to the (LFE-Line) in on the subwoofer speaker.
If I understand correctly, you have a 3.5mm plug into your Samsung laptop, which is then connected to your Sony surround system via the red/white RCA plugs. I assume for the input to the Sony you're using a standard audio-in. I would check the speaker setup settings on the Sony to ensure that the "bass" and not just LFE (low frequency effects) are being sent to the sub-woofer. My understanding is that LFE is found only on Dolby or DTS encoded soundtracks, and if the subwoofer is limited to just LFE you wouldn't be getting any bass when listening to two channel stereo from your laptop.
H?, You have a very good system...one of the best of SONY..SUB does not get activated automatically especially on STEREO mode.DIRECT STEREO Notes • No sound will be output from the subwoofer. .your system has Dedicated Power Amplifier for 2 Externally Driven Sub-Woofers (200W RMS x 2)..in order to activate the sub woofer amplifier you need to make a selection on the surround modes while
you are switching the modes of the surround you will see the speaker
position on the display of receiver as well..if you do not see the sub
woofer it wont be activated..Sound Field Program (A.F.D) is a good
example to test it.. Take care and please Remember to rate/vote and give me 4 Thumbs Up for Helping out the Community :) Hope this helps! -------------------- Additionally please follow the instruction on your user manual to activate the SUB ,as is follows.. ----------------- BASS-OUT
Low-frequency (bass) signals can be directed to the
subwoofer and/or the front left and right speakers
according to the characteristics of your system. This
setting also determines the routing of the LFE (low-
frequency effect) signals found in Dolby Digital or DTS
Choices: SWFR (subwoofer), FRONT, BOTH
• Select SWFR if you connect a subwoofer. LFE and
low-frequency signals from other channels are directed
to the subwoofer according to the speaker settings.
• Select FRONT if you do not use a subwoofer. LFE and
low-frequency signals from other channels are directed
to the front speakers according to the speaker settings
(even if you have previously set the front speakers to
• Select BOTH if you connect a subwoofer and you want
to output low-frequency signals from front channels to
both the front speakers and subwoofer. LFE and low-
frequency signals from other channels are also directed
to the subwoofer according to the speaker settings. Use
this function to reinforce low-frequency signals using
the subwoofer when playing back sources such as CDs.
Please rephrase. "5.1" and "only ... front right and front left" are mutually exclusive. Look at manuals.
In general, bass is 'managed' by directing it toward or away from any speaker the user declares to be LARGE or SMALL, usually based on arbitrary cone sizes instead of bass handling capability. There 'managed' bass is rerouted to the presumed capable LFE/Bass/Subwoofer channel to avoid potential damage to bass-shy speakers. Therefore, if one lacks a subwoofer one has to tell that to the receiver and designate the other speakers as LARGE or the bass will get tossed in the bit-bucket
Check to see if it is properly hooked up to the player, and if it is, then either the amplifier's LFE(Low Frequency Emitter/Subwoofer) channel has failed, or the CPU is not beginning to forward frequencies 200Hz and below to the subwoofer. At 200Hz, the subwoofer adds to the satellite speakers, an then at 110Hz and below, only the subwoofer is playing.
Solution: connected the rear right and left wires to the Front , left and right wires......................and everything works the way I anticipated without any technical problems....... the woofer works on a separate circuit, so I continue to receive the "low" frequency..
first check the settings on the audio menu of the dvd player. make sur it is set to 5.1 (if available) otherwise set it to stereo and your system should decode it.
assuming the second step is okay : as other dvd you play seem to work) it still may be that your unit is decoding stereo inputs just fine and 5.1 is not working properly....
so if adjusting audio settings in dvd play back menu dont work,
check that the cables to the satellite speakers are connected correctly and all plugged in soundly ( voice is high frequency,- coming from satellites - the garbled noises you hear are the base ( low freq) elements of voice which are coming from the bass box ( that the X.1 part of 5.1) and so that is obviously working. ,
Yer man there a load of **** i've got 2 x DV290's one for the back of my studio & one powering the front,your lucky you only had 2 **** speakers i had 4 lol. but there is light at the end of the woofer,they have to be wired together its as if one makes the other one work,so you put GRAY & BLUE in you get BASS or hum ,you put BLACK & RED in you get HIGH or top end you put all four in you get nice mixture. I've also had it another by mistake & it worked, i put the + & - side by side instead of top & bottom so it was RED / GRAY & BLACK / BLUE if you know what i mean.then cut the plugs off the surrounds & wired them in aswell & it's all good in de hood. oh a tip before i go,get some rubber legs off the bottom of something or the casters off an old chair or stool & GET THEM SLAPPED BETWEEN THE AMP & THE SOUND PROCESSOR for ventilation coz Fu*"*k me they don't half get hot man! good luck pal....later