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AUDIO FORUMS >> General Discussion and Support >> Rca splitter for zmf decware otl?
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Message started by ck293 on 08/19/24 at 13:00:46

Title: Rca splitter for zmf decware otl?
Post by ck293 on 08/19/24 at 13:00:46
I'll be receiving a zmf decware otl unit this week. I am very excited and can't wait to try it. I am planning on using it as a preamp as well but noticed it only has one set of pre outs. I'd like to connect my subwoofers too. Would a rca splitter be best way to do that? Will using a splitter on the pre outs affect sound? Is there a better way?

Title: Re: Rca splitter for zmf decware otl?
Post by Lon on 08/19/24 at 13:21:11
WELCOME!

With my limited experience with subwoofers I would say. . . should be okay.  

Others with more experience and specific knowledge will hopefully weigh in.

It will be interesting to hear your impressions of the component!

Title: Re: Rca splitter for zmf decware otl?
Post by bloodlemons on 08/24/24 at 00:54:28
Something like this seems ideal for this application:


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Title: Re: Rca splitter for zmf decware otl?
Post by bloodlemons on 08/24/24 at 01:01:19
This might be cool, too, and you could use the same type of thing to add more inputs as well.


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Title: Re: Rca splitter for zmf decware otl?
Post by Tony Adams on 10/11/24 at 05:32:02
I recommend using an RCA Splitter which can effectively duplicate the signal from the preamp outputs to both your main amplifier and subwoofers.

Title: Re: Rca splitter for zmf decware otl?
Post by Johnny on 04/18/25 at 03:24:46
I use Schiit Sys as a passive switcher/splitter for a similar setup, which solves the split signal problem and allows for separate volume control for the sub. The ZMF OTL output impedance is quite low so the 2-way split is still stable, but avoid using cheap splitters as they cause noise.

Title: Re: Rca splitter for zmf decware otl?
Post by Isabella on 04/29/25 at 09:11:01

Use an RCA splitter to connect the subwoofers to the pre outs of the ZMF Decware OTL unit. However, using a splitter can degrade the signal and affect the sound quality.

You can also use a subwoofer amplifier with RCA inputs, allowing you to connect directly without losing sound quality. If you can, consider this solution to ensure optimal sound.

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