2) micro1000s w/ 1) LFE output

levlhed

I want to run two micropro 1000's off of my Onkyo SR806 which has 1 LFE output. Can I just run one RCA to the LFE-in of one sub, and then chain another RCA from the Line Out of that one into the LFE in on the second sub?

That is to ask, does the line-out pass whatever is put into the LFE input?

concealer404

I usually prefer to get an RCA-splitter...

levlhed

I don't want to run 2 long cords through my wall and I don't want to split the signal.
I'd rather run only one long cable and one shorter cable between the two and not split the signal if it works.

Matt34

I don't think you can dasiy chain(salve) the micro-pros like you can say the JL audio subs. A spilter will not degrade the signal.

I could be wrong in regards to the slave ability as I'm on my BB and can't confirm.

levlhed

certainly the line out would at least pass the line in, right?
Otherwise what is the line out for?

I suppose it's possible that the line out would be passing the line in, but not pass the LFE in. In that case I'd run it that way and keep the crossovers inline. It'd be preferable to bypass the crossovers though since they are not needed.

Splitting a signal *does* degrade the signal.
It may not be a readily-audible degradation, but there's no way it doesn't degrade.

dorokusai

I believe it's about 3db of signal loss depending on the cable used....as a rough rule. It shouldn't be a problem.

Matt34

Like dorko said, you will lose signal strength which can be compensated for through gain controls but there should be no audible lose in quaility.

levlhed

Yes, I get it. Splitting the signal works. Thanks.


I'd still like to know if what I'm asking works.
I can't find any info yet that definitively confirms/denies.

dorokusai

No, I'm told you cannot do that with the Micro-Pro. Just get a Y splitter that has male outputs and connect both subwoofers as you would a single subwoofer.

Cpyder

I checked the manual and it didn't really say. You might want to take a look, I skimmed and may have missed it though. Online manual on polkaudio.com

levlhed

dorokusai wrote: »

No, I'm told you cannot do that with the Micro-Pro.

Told by who?

Of course I read the manual already. I did that before asking here. I also searched the forum.

concealer404

If the manual doesn't say you can do it, then chances are that you can't. If nobody here says you can do it, then chances are that you can't.

If you still don't believe anyone, then try it and see what happens.

dorokusai

levlhed wrote: »

Told by who?

Of course I read the manual already. I did that before asking here. I also searched the forum.

Polk.

levlhed

I've been around long enough to know better than to just readily take someone's words as the gospel truth on a forum. I don't believe *everything* I read. Since I'm new to this forum I do not have the benefit of knowing who's word to trust and who is just talking out of their behind.
As usual in most public forums, I asked a question that didn't specifically get answered until I asked it again and again. Instead I got advice and guesses. If I wanted advice I'd have asked for advice. Advice is in abundance on public forums.

If dorokusai was specifically told by someone at Polk who knows what they are being asked and knows what they are talking about, then I believe that what I want to do can not be done.

Though I will be trying it anyway because I can Taking delivery of two of them today.
I'll report back my findings for posterity's sake.

Cheers!

concealer404

After all that you're going to try it anyways...

Well... at least that's the right attitude.

levlhed

yeah I know....

I just wanted to know what cables I was going to need:)

concealer404

Two sub rcas.

Cpyder

You could just give Polk customer service a call today. Pretty sure they'd know more about their products than anyone here. They did design it by the way.

comfortablycurt

FWIW...Dorokusai works for Polk. You can probably take his word for fact on the topic.

You're best off just getting a Y-splitter...it won't degrade the sound quality enough to even make it noticeable.

dorokusai

OK, just to clarify as I should have been more specific.....

If you use the LFE Input on one subwoofer, you CANNOT use the Line Out to piggy back the other subwoofer.

If you use the Line Input on one subwoofer, you CAN use the Line Output to piggy back the other subwoofer.

Either way, ensure that your filter/crossover on the subwoofer is turned all the way up so you're not double filtering the signal.

levlhed

Now that is the kind of specific clear answer I was looking for in the first place.
And yes, it is exactly my experience now that I have them.

Though the seller actually sent me a 2000 and a 1000 I don't need the added features of the 2000 and the finishes don't match! Not sure what I'm going to do about it yet...

concealer404

I was trying to figure out why you posted a manual boost controller in this thread for a minute...

levlhed

I hadn't considered putting the splitter at the first sub instead of the LFE-out of the receiver. This would at least save me from two long cables through the wall. Thanks for the suggestion.

dorokusai

levlhed wrote: »

I hadn't considered putting the splitter at the first sub instead of the LFE-out of the receiver. This would at least save me from two long cables through the wall. Thanks for the suggestion.

I wasn't suggesting anything less than a splitter at the subwoofer end based on your original post from the beginning.

mak99

Levlhed -

I have two microPro 1000s fed by an Onkyo 805. I used an AudioQuest splitter at the Onkyo's sub connection, with equal lengths of sub cables into the subs LFE inputs.

This works perfect for my setup as the subs are about three feet to either side of the amp. I didn't have to worry about long cable runs like you do - see pic below...

Enjoy your microPros, they are amazing for their size! Though I am thinking about upgrading these to an HSU or SVS sub as I'd like to get deeper bass response. From what I've read about certain scenes in Transformers 2 *, the 1000's might not go low enough...always something to upgrade.

* BTW, watch the Big Screen Edition from Walmart - amazing IMAX scenes!

levlhed

Thanks again for all the help.

I'm working on adding some weight to the subs to keep them from jumping(!) across the hardwood/laminate floor.
I picked up some 12"x12"x1.5" concrete paving blocks. I got three for each sub. I want to put one underneath with dynamat between the slab and the floor and two on top of each sub probably with dynamat between the sub and concrete. I quickly tried it last night and they seem to do the trick!
I am going to seal/paint the concrete yet and put on the dynamat/etc.

My question is though what are the threads for the feet/spikes?
I want to get some spikes.

levlhed

That is to ask, what is the thread type/size for the feet/spikes on the bottom of the DSW's?
Will these work?
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=240-725

Thank you

mak99

levlhed wrote: »

That is to ask, what is the thread type/size for the feet/spikes on the bottom of the DSW's?
Will these work?
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=240-725

I don't think those spikes will work as direct replacements*. I used these very spikes many, many years ago on some huge, old-school Kenwood speakers. These spikes require you to drill a hole in the bottom of the cabinet to install the threaded inserts, something you probably don't want to do to your microPro.

IIRC, I believe the threaded inserts for the rubber feet of the microPros is the same as that used for the combo rubber feet/spikes on the DSW Pros subs. I called a Polk CSR about a year ago to ask this, and the CSR confirmed they are the same thread pitch and I could buy the combo feet for $10/set of four. Since my microPros are sitting on carpet (with foundation slab below), I should revisit this to upgrade the stock rubber-only feet...

* I see these spikes use a 1/4-20 thread, so if the microPro uses the same thread pitch, you could buy those spikes and just not use the inserts part...

levlhed

mak99 wrote: »

* I see these spikes use a 1/4-20 thread, so if the microPro uses the same thread pitch, you could buy those spikes and just not use the inserts part...

Yes, I know.
The question remains, what is the microPRO thread pitch?

dorokusai

1/4 - 20

levlhed

sweet.
thanks.