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02/05/25 at 09:00:21

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Hooking up a wireless sub (Read 1339 times)

bsac Verified Member Posts: 7	Hooking up a wireless sub 09/02/24 at 15:15:05 I've never done it and was wondering if there was a drop-off in quality or not. I have a Rachel with sub inputs and a wireless connection would eliminate a lot of hassle. Anyone have any thoughts on the subject?
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1stwattlife

Seasoned Member

Posts: 141

Re: Hooking up a wireless sub
Reply #1 - 09/04/24 at 15:24:11

IMO, there is no way to make the transition to wireless without sacrificing sound quality. That being said, if you must, or want to experiment, it all depends on your system. If you have a pre-amp that is feeding your amp with an extra set of outputs you can feed from there. If your amp have line level outputs (the blue RCA's on the Rachel) those could be used as well, as long as your wireless system is not looking for low frequency input.

Many possibilities...

Why don't you post your gear chain (list of system components) and lets poke around and find out.

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bsac Verified Member Posts: 7	Re: Hooking up a wireless sub Reply #2 - 09/04/24 at 15:50:36 I suppose couldn't I do a high imp hookup since the sub would be sitting next to one of my main speakers? NOt sure how that works but my sub is self powered. Couldn't I just tap the feed off the speaker somehow?
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bsac Verified Member Posts: 7	Re: Hooking up a wireless sub Reply #3 - 09/04/24 at 16:40:01 Yes, it appears the only realistic option is to add a wireless hookup since I can't run a rca line across the room. Now becomes the question which wireless system to buy?
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Yakatak Verified Member Posts: 47	Re: Hooking up a wireless sub Reply #4 - 09/05/24 at 05:59:26 I have a Rachael and a wireless sub. The sub's transmitter is connected to the Rachael's variable sub outs. Sounds great.
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bsac

Verified Member

Posts: 7

Re: Hooking up a wireless sub
Reply #5 - 09/05/24 at 16:51:31

I have a Wiim Ultra that has a sub control within its software. I hooked the sub directly to Wiim Ultra because I can control all the variables like volume, crossover points, phase and delay from the app RATHER that hooking directly to the Decware Rachel. I set the subwoofer to BYPASS since I was controlling it from the app. I hope I did everything correctly so far. The only thing that confuses me is how to sync the delay from the main speakers and sub so that they are time-aligned. Also, would appreciate anyone with knowledge regarding how to set the corss-over point for my Klipsch La Scalas. I read somewhere these go down to 50htz? So I should set the sub crossover to begin producing sound BELOW 50htz?

Wiim Ulta
Turntable Pioneer PL-51A
Decware Rachel w/4 outputs including sub out
Klipsch LaScala (1980) with ALK x-over
James Loudspeaker 15" EMB-1500 Subwoofer

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Donnie Seasoned Member Why does it hurt when I pee? Posts: 2306	Re: Hooking up a wireless sub Reply #6 - 09/05/24 at 17:05:29 I would start crossing your sub over at around 60 hz. The La Scalas's specs say that they are down 4 db at 51 hz and they drop quick from there. You might even start higher than that to try to fill a little of the area before the big bump at about 120 hz.
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bsac Verified Member Posts: 7	Re: Hooking up a wireless sub Reply #7 - 09/08/24 at 00:10:14 I don't have any of that fancy audio spectrum app stuff you are showing me. Can I download that app on my iPhone so that I can test my room?
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bsac Verified Member Posts: 7	Re: Hooking up a wireless sub Reply #8 - 09/14/24 at 18:22:26 Can anyone recommend a free app for the iPhone that can analyze the audio frequencies in a room?
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Gilf Seasoned Member Posts: 229	Re: Hooking up a wireless sub Reply #9 - 09/14/24 at 20:52:57 The iPhone microphone would be the weak link for this approach but I use “sonic tools” fairly regularly. Knowing it is off due to the microphone but useful for comparing changes.
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1stwattlife Seasoned Member Posts: 141	Re: Hooking up a wireless sub Reply #10 - 10/08/24 at 17:35:50 IIRC, there might be slightly more acceptable room measurement mics available for the Iphone. Not sure, I use android... ... but as far as just reference, I am sure many of the apps available are doing the same things with the same equipment and you are really just choosing your user experience.
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Dominick

Seasoned Member

Still like that old
time Rock and Roll!!

Posts: 1363

Re: Hooking up a wireless sub
Reply #11 - 10/10/24 at 18:09:08

In my opinion…. None of the best iPhone apps in the world will make up for the hardware becoming the limiting factor. I use a battery powered Lavalier microphone that I plug into my iPhone and the audio recordings I obtain are night and day better than the internal mic on the iPhone. To get an a more accurate analysis, an external mic is the way to go. Mine is now discontinued but I’m sure there are others that would work fine.

Here is a link to the mic just so you could read and see what I’m referring to. When I bought this mic like 6 years ago..it ran me like close to like $100. Hope this helps

https://www.bhphotovideo.com/c/product/1212297-REG/aputure_a_lav_omnidirectional...
Dom

Rasp. Pi 4 [Roon], Schiit Bifrost True Multibit DAC, ZBIT, ZROCK2, My Audio Cables Ultra Silver+, ZSB, CSP2+ 25th, DAG Cables, DHC1, Torii MKIV 25th /2 White Zen SE84C+ 25th mono’s, Rega P2 Turntable, White top ZP3, Velodyne Dual Firing Sub, ERR’s [Bubbinga Wood]

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1stwattlife Seasoned Member Posts: 141	Re: Hooking up a wireless sub Reply #12 - 11/19/24 at 20:08:06 ^^^^^^ Nice! Thanks!
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