Question about JVC RX-8020V Receiver

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Subwoofer-no output Yes, it is an active subwoofer, & I have tried it with both subs I have to no avail (both subs work with my other system) I know the subs are not the problem. Thanks, dgh

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Ther should be a diagram in the left hand corner of display of speakers hooked up, make sure sub is shown right under the left right (and possibly) center speaker icons. under adjust, there is a subwoofer volume level. Under settings there is sub (yes, and no for on and off) there is a sub crossover frequency, and i believe there is also a "LFE" att, which is another subwoofer level.

Posted on May 27, 2008

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Posted on Jan 02, 2017

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Connect skytec subwoofers passive speakers


Be sure the sub pre-out is intended to drive a powered sub (RCA to RCA). Is there a sub power indicator on? If not, there may be a blown internal fuse. Also some custom speaker configurations such as speaker size can override what you think you want to do.

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A lot of these systems have options for switching off speakers and subs. You should look up the speaker settings options of the Sony. If you have the manual see what it says about connecting an active sub.

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Htddw7600, brand new, sub amp is not working, only way to get any bass sound is to unplug the sub cable from back of main amp and touch it on side of sub out port.


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
sources.
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
SML).
• 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.

Jun 23, 2011 | Audio Players & Recorders

1 Answer

Yes does anybody know how to hook up a two channel amp to two 12" subwoofer's


Active or passive subs (size is irrelevant)? Do you have the manual(s)? It might talk about that. If active subs, get an RCA splitter cable and share the subwoofer output.

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1 Answer

Onkyo tx sr502, sounds coming from all speakers except sub. in test sub works


hi,
Try the following setup to activate the sub

1.Press the [AMP] button on the remote and then press [SETUP] button.

2. Use the Up and Down arrow buttons to select "1. SP Config," and then press the [ENTER] button.

3. use up and down arrow to select subwoofer setting.

3. While the subwoofer setting is selected, use the Left and Right arrow buttons to select Yes .


you will surly get the audio from the subwoofer.

ok

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1 Answer

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You didn't say is your sub active or passive.If its active first check signal cables from theater system,power line of the sub, it has to be the same phase as the system.If its passive take a voltmeter disconnect the sub from the system and measure for DC voltage on the SUB output on the system when its OFF.If DC voltage is present your amp is damaged.It can also be that the preamp circuit for the sub doesn't mute the input when unit is on stand by and you hear frequency of your power supply (50-60Hz) on the sub

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Dan

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1 Answer

Eltax DR-110 Sub-woofer issue


Where have you connected the sub's leads?

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1 Answer

Subwoofer: Active or non active?


Hello Smegboy,

Yes, you are right. This receiver is rated at 100WRMS output in all 5 channels (2-front, 1-center and 2-surround) while in Dolby Pro Logic operation. The subwoofer output is line level only (not amplified), which means you need a powered subwoofer to be connected to this output. A non-powered subwoofer could be used but, you need an additional amplifier connected to the subwwofer output from the receiver to drive it.
Let me know if this helps.

cancerags

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