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-   -   XLR versus TS (http://duc.avid.com/showthread.php?t=409848)

dg27 04-26-2020 03:28 PM

XLR versus TS
 
I just bought a PreSonus 26c interface to replace my MBox3.

I'm connecting the interface to a PreSonus BlueTube preamp.

When connecting the inerface to the preamp does it make any difference whether the connection to the from the interface is TS or XLR?

I've always used an unbalanced 1/4" TS Male to 3-Pin XLR female audio cable.

Would it be better to use an XLR M to XLR F microphone cable?

(I have to replace the XLR to TS cables I was using because they're too short :mad: .)

JFreak 04-26-2020 03:40 PM

Re: XLR versus TS
 
TS is unbalanced (2-wire) and XLR is balanced (3-wire) so obviously you better use balanced connections.

dg27 04-26-2020 04:05 PM

Re: XLR versus TS
 
1 Attachment(s)
Thanks. I was confused because I always used TS --> XLR with the MBox. I've attached a connection diagram.

It's a bit of a PITA because the inputs on the MBox were front and rear; on the PreSonus they are front only, which means I have to go around to the back to connect to the preamp. That's why I have to replace my cables.

JFreak 04-26-2020 04:06 PM

Re: XLR versus TS
 
From that pic you cannot tell if it is TS (2-wire) or TRS (3-wire)

dg27 04-26-2020 04:12 PM

Re: XLR versus TS
 
1 Attachment(s)
Thanks for your help.

It accepts either (like a guitar jack or an XLR mic cable). Maybe you can tell on this.

It was the same type of connection on the MBox and I always used TS out of the MBox and XLR into the preamp.

JFreak 04-26-2020 04:15 PM

Re: XLR versus TS
 
That looks like a Neutrik combo XLR/TRS connector so whatever you choose you should have balanced (3-wire) option

dg27 04-26-2020 04:24 PM

Re: XLR versus TS
 
Quote:

Originally Posted by JFreak (Post 2563518)
That looks like a Neutrik combo XLR/TRS connector so whatever you choose you should have balanced (3-wire) option

Yes--that's what it is.

This is my fault. I was confusing TS with TRS.

I just checked what I have now: it's like this:

Hosa Technology HXS-005 Balanced 3-Pin XLR Female to 1/4" TRS Male Audio Cable (5')

The question I should have been asking is whether the above is fine or whether I should be using this instead:

https://www.bhphotovideo.com/c/produ...lite_4000.html

JFreak 04-26-2020 04:25 PM

Re: XLR versus TS
 
You usually use XLR-XLR cables with microphones, but whatever 3-wire balanced cable you use does not make a difference

dg27 04-26-2020 04:27 PM

Re: XLR versus TS
 
Quote:

Originally Posted by JFreak (Post 2563523)
You usually use XLR-XLR cables with microphones, but whatever 3-wire balanced cable you use does not make a difference

OK. Thanks.

This is what I have now only shorter.

https://www.bhphotovideo.com/c/produ...3_Pin_XLR.html

JFreak 04-26-2020 04:29 PM

Re: XLR versus TS
 
Yes, electrically it is just the same. However XLR cable can lock to your gear but TRS plug cannot. I would take XLR any day, but whatever works for you.

dg27 04-26-2020 04:52 PM

Re: XLR versus TS
 
Thanks--that's what I was looking for: whether it was electrically the same.

I opted for XLR to XLR for the reason you stated. These will be connected at all times and the TRS worried me because they're in the front (in the rear didn't matter much).

Thanks again.

JFreak 04-26-2020 04:53 PM

Re: XLR versus TS
 
No problem

Top Jimmy 04-26-2020 05:11 PM

Re: XLR versus TS
 
The 26c line inputs are accessed via the TRS part of the combo jack. The XLR part is mic level only. Therefore, the appropriate cable from the preamp to the interface should be XLR-TRS.

JFreak 04-26-2020 05:16 PM

Re: XLR versus TS
 
Are you sure?

Those look like Neutrik combo connectors which mean they only have 3 pins out of the connector, not 6 -- so whatever you plug in is electrically just the same. Software changes between mic/line/inst levels

Ben Jenssen 04-26-2020 05:36 PM

Re: XLR versus TS
 
Off topic:
One pluss for TRS over XLR: on a TRS patchbay output you can insert the jack half way and not break the flow thru the patchbay, like a "tap".
Added: TRS inserts on audio interfaces and mixing desks also work this way. It provides a kinda "secondary output" for the channel that can be very useful, and I think many aren't aware of it.

dg27 04-26-2020 06:05 PM

Re: XLR versus TS
 
Thanks for the clarification. I changed my order to TRS, which is what I've been using in this context for years.

Top Jimmy 04-26-2020 06:40 PM

Re: XLR versus TS
 
Quote:

Originally Posted by JFreak (Post 2563539)
Are you sure?

Those look like Neutrik combo connectors which mean they only have 3 pins out of the connector, not 6 -- so whatever you plug in is electrically just the same. Software changes between mic/line/inst levels


Yeah. The Neutrik combo jacks have 5 pins. The signal contacts are separate and the ground is common. At the very least, manufacturers will put blocking caps on the TRS portion to block phantom. In this instance, Presonus also added a switchable
pad on the TRS part to bring the input gain into the line level range.

dg27 04-26-2020 09:01 PM

Re: XLR versus TS
 
Thanks for the useful education!

JFreak 04-27-2020 04:33 AM

Re: XLR versus TS
 
Yea, always good to learn something :cool:

dg27 04-28-2020 06:23 AM

Re: XLR versus TS
 
I had sent a query to PreSonus tech support at the same time I posted here, but knew I wouldn't hear from them right away.

I asked:

When connecting the Studio26c Mic/Inst/Line to the BlueTube (preamp), does it make any difference whether the connection to the 26c is TRS or XLR? I've always used an Unbalanced 1/4" TRS Male to 3-Pin XLR Female Audio Cable. Would it be better to use an XLR M to XLR F Microphone Cable?

They replied:

Yes it does, TRS is for Line Level and XLR is Mic level. You would need to use TRS for this connection.

spinsong 07-22-2020 03:57 PM

XLR versus TS
 
The confusion is between xlr line level which you usually find on high end equipment which usually requires a dedicated preamp, and mic level combo which you usually find on prosumer type equipment. If you “double pre” you’re liable to blow out your second preamp. Proceed with caution. The give away is the phantom switch.


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