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In Reply to: RE: JBL LSR 308's and LSR 310 Sub in 2.1 Set Up posted by Jaundiced Ear on February 20, 2016 at 21:38:54
I've attached a photo of my sound card. The Line In is the one powering the system, at this point. I have all the adapters to get it from 3.5 to XLR in sub. Sub to speakers is XLR cable.
I've also adjusted the sub and speakers according to your instructions, but the sound level was too low, so I bumped them all up. Even on top volume, the sub isn't sounding right. It's not prominent enough. I've tried the two polarity settings, but haven't noticed any difference. The sound coming from the speakers still sounds rather hollow, but not on every song.
To complicate things further, I have a DAC, which may or may not make this easier. I don't know.
I appreciate you, and everyone, who is helping me. I am trying to achieve a quality sound set up, because I enjoy music so much. Unfortunately, I am at a disadvantage, because I know very little about the set up. But, I want to learn.
Thank you.
Follow Ups:
One more thing to add to my post below. You say you have a DAC. What DAC is it, and is there a reason you prefer to use it or not?
You say: "The Line In is the one powering the system" . Do you mean you have attached the sub to the Line In jack on the sound card? If so then that's your problem. Plug it into "Front" instead. WARNING: Turn down all volume controls before you do this. You've probably cranked everything up so high to hear whatever crosstalk was leaking into the Line In jack.
This connection is shown on page 14 of the HT Striker 7.1 manual (link below). See "Connecting 2 Channel Speakers".
I perused the manual a bit more, and you may indeed have to do what I said before about configuring it for a 2-channel system instead of multi-channel. See section 4.2 at the top of page 19. It looks like you need to make sure "Analog Output" is checked and the "2" speaker box is selected. It may detect this automatically from the fact that you have nothing plugged into the other outputs, but it's worth checking.
Let me know if you have further problems.
I apologize. I checked it again, and it is coming through FRONT channel, not Line In. I'm old. Can't see like I used to!
The Striker settings are correct at 2 channel analog.
I have a Dragonfly DAC. I have no experience with a DAC, but I had access to this. I figured it was something to try, if I ever went to a 2.1 system.
My previous set up, for many years, was the Striker and Logitech Z-5500 5.1 system, for what that's worth!
Try using the Dragonfly instead of the sound card. Does it sound about the same as the sound card, or does it sound very different? If it sounds very different then there's some issue with the sound card.
It doesn't sound any different, to me. Actually, it sounds better from the sound card, if anything.
Were you able to work out the issues, and if you were, what did you do?
JE
"A difference which makes no difference is no difference at all." - William James
I've moved the speakers to a position to my right and left front. I cannot seem to get any bass kick from the sub, positioned to my immediate left, under the left front speaker stand. I've tried positioning it off to my right, to no avail. It simply has no "ass." The volume of the sub is on max,and the other settings are as suggested in this thread.
The speakers themselves are very, very sweet positioned as they are. I need more depth of sound, from the sub.
Suggestions, please?
I reluctantly admit that the sub did sound better when located between the two speakers when they were behind my listening position. It's just going to be a wiring nightmare to put it there, and run the speakers back to it, and then forward, again.
Try this. Set the output level of the sub to match your speakers, then move the crossover setting on the sub from 80Hz to XLF. That will add a little more punch to the bass.
JE
"A difference which makes no difference is no difference at all." - William James
That's a difference that made a difference.
I believe, with equalizer tweaking, I am there.
If you've got a monitor in your room, load up this video, switch it to full screen, crank up the volume on your speakers and enjoy more than fifteen minute of pure adrenaline.
Will the Suzuki be able to catch the BMW?
JE
"A difference which makes no difference is no difference at all." - William James
Wow!
Sweet!
If you are happy, settle in and enjoy your new speakers. I still worry that you may have your sub in a bass null room mode if you need to use the XLF setting. Have you tried simply sticking the sub in the various corners of the room to see what happens?
If you can, make sure the tweeters on your 308s are close to your ear level. If the 308s are too far apart you won't get a center image. Fiddle around with them for a bit and you may find a spot where the sound stage "locks in." You'll know it when you find it.
Have fun!
JE
"A difference which makes no difference is no difference at all." - William James
Well, the post has two black lines, so I'm OK there. I think the connection is as it should be, and the problem lies in my positioning of the speakers. I have them set up behind me, in the corners of the room. The room is about 12'X12'. I'm used to 5.1, and being surrounded by sound. I'm going to move the speakers to a position in front of me, and I think with the current wiring, I will be good. I've moved the sub to several locations, and it does make a big difference. I think by moving the speakers, everything will be right.
I appreciate all of you for taking the time to help me. You gave me the confidence, and the tips, to get this done. Thank you.
In his first reply to you, ephemere posted a picture of what we're guessing is the type of cable you are using to go from the sound card to the sub. Could I ask you to switch off the sub, then pull the 3.5mm plug from the sound card and examine it? The plug should have TWO black bands on it as shown in ephemere's post. If it only has ONE black band then that is likely the issue. You need to have a "Tip, Ring, Sleeve" jack in order to get stereo output. If you have one black band then you have a "Tip, Sleeve" jack and will only be getting one channel.
Be certain your 308s are on their -10dBV settings. Also set the high frequency and low frequency "trim" controls on the speakers to the center setting.
I also agree that it may be best to first set up the speakers without the sub in the mix. If you simply don't like the sound of the 308s, adding a sub won't improve things.
By the way, where do you have the 308s positioned?
Good Luck!
JE
"A difference which makes no difference is no difference at all." - William James
Then I suggest doing what E-Stat suggested -- connect the sound card (or DAC) directly to the mains, and take the sub out of the system. Make sure you put the speaker switch to -10dBV.
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