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#402429 - 04/04/14 09:59 PM Subwoofer cables
dberthe Offline
hobbyist

Registered: 04/01/14
Posts: 23
Loc: Southern California
I have an EP350 sub on order and I'm trying to buy the cables now. Question: What kind of cable do I need for the 12v trigger? Nobody seems to sell such a cable. I have found single (Mono) 3.5mm audio cables (rare breed) but I don't know if the wire gauge is big enough. How much current is actually flowing or is it just a voltage signal level?

Also, how important is the shielding on the Coax/RCA audio cable?

Thanks in advance
Dave
_________________________
M60v3, VP100v3, QS8v3, EP350v4, Onkyo TX-NR905

M22v2, Vector Research VRX-9000 stereo

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#402489 - 04/06/14 09:22 PM Re: Subwoofer cables [Re: dberthe]
Serenity_Now Offline
veteran

Registered: 03/28/14
Posts: 144
Loc: PEI, Canada
Hey dberthe,

The current flowing is limited to a milliampere level. It is a extra low voltage signal circuit. Small gauges are fine for this use.

Shielding becomes important if you have a long cable run, nearby transmission antennas, or current carrying conductors in parallel for a portion of your cable run.

Long story short, good quality shielded coaxial signal cable is cheap, and recommended. smile
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Kitty on my foot and I wanna touch it.

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#402490 - 04/06/14 09:44 PM Re: Subwoofer cables [Re: dberthe]
Socketman Offline
connoisseur

Registered: 07/12/09
Posts: 1153
Loc: Whitehorse YT
The mono cable will work fine. I am not sure but is the ep 350 nnot auto sensing. It should turn on when it receives a sub signal from your amp. stereo is trs and mono is ts, you can use a stereo cable for trigger or mono.
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DOG is GOD spelled backwards.
I blame my terseness on my keyboard. smile

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#402597 - 04/07/14 06:40 PM Re: Subwoofer cables [Re: Serenity_Now]
dberthe Offline
hobbyist

Registered: 04/01/14
Posts: 23
Loc: Southern California
Thanks, that was very helpful.

Dave
_________________________
M60v3, VP100v3, QS8v3, EP350v4, Onkyo TX-NR905

M22v2, Vector Research VRX-9000 stereo

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#402599 - 04/07/14 06:46 PM Re: Subwoofer cables [Re: Socketman]
dberthe Offline
hobbyist

Registered: 04/01/14
Posts: 23
Loc: Southern California
Thanks for reply. I will investigate the "Auto Sensing" feature you mentioned. I may not even need the trigger cable; especially since I understand Axiom has redesigned the amps for V4. I will email them and post answer here later.

Dave
_________________________
M60v3, VP100v3, QS8v3, EP350v4, Onkyo TX-NR905

M22v2, Vector Research VRX-9000 stereo

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#402604 - 04/07/14 06:56 PM Re: Subwoofer cables [Re: dberthe]
Socketman Offline
connoisseur

Registered: 07/12/09
Posts: 1153
Loc: Whitehorse YT
I looked at what they had listed on the product website but it seems they only use the trigger unless the site needs to be updated. Of the 4 I have they all remain in standby until they sense an LFE signal and then turn on. The Axiom turns on when you power up your amp. Keep us posted.
_________________________
DOG is GOD spelled backwards.
I blame my terseness on my keyboard. smile

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#402610 - 04/07/14 07:13 PM Re: Subwoofer cables [Re: Socketman]
dberthe Offline
hobbyist

Registered: 04/01/14
Posts: 23
Loc: Southern California
I just emailed Axiom; I will post their response.

Thanks,
Dave
_________________________
M60v3, VP100v3, QS8v3, EP350v4, Onkyo TX-NR905

M22v2, Vector Research VRX-9000 stereo

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#402640 - 04/07/14 09:15 PM Re: Subwoofer cables [Re: dberthe]
fredk Offline
axiomite

Registered: 12/06/07
Posts: 7031
Loc: Canada
That mono cable will work just fine. Its exactly what I use for my ep350.

The advantage of the trigger is that it powers on the sub so there is no standby power usage. I have no idea how long it is until I break even on the $4.00 cable, but I like the idea of eliminating wasted power wherever I can.
_________________________
Fred

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Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!

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#402645 - 04/07/14 09:23 PM Re: Subwoofer cables [Re: fredk]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10359
Fred, is the power to the sub totally off if the trigger voltage hasn't turned it on? For example, is the indicator light not even in red status? I would have thought that the mode might use less standby power but not zero.
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Enjoy the music, not the equipment.



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#402659 - 04/07/14 10:20 PM Re: Subwoofer cables [Re: dberthe]
Socketman Offline
connoisseur

Registered: 07/12/09
Posts: 1153
Loc: Whitehorse YT
get out your killiwatt and let us know. The manual says leave the sub in the on position when using the trigger , which would mean it is in some sort of limbo.
_________________________
DOG is GOD spelled backwards.
I blame my terseness on my keyboard. smile

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#402699 - 04/08/14 04:40 PM Re: Subwoofer cables [Re: Socketman]
dberthe Offline
hobbyist

Registered: 04/01/14
Posts: 23
Loc: Southern California
Below is the email reply I received from Andrew Welker:

/* Hi Dave,

The v4 subwoofers do not have any type of auto signal
sensing. The trigger connection will allow you to put the
sub into standby mode when not in use. The trigger
connection is a standard 1/8" / 3.5mm phone jack which is
the same size and type found on many headphones. Your
processor or receiver then needs to have a trigger control
output delivering anything from 9-12V, which is fairly
typical. If you need any assistance in making this
connection, please feel free to shoot me an e-mail.

Thank you,

Andrew Welker
R&D Manager
Axiom Audio */

I hope this info is helpful to some other forum members as well. Thanks, Dave
_________________________
M60v3, VP100v3, QS8v3, EP350v4, Onkyo TX-NR905

M22v2, Vector Research VRX-9000 stereo

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#403059 - 04/14/14 06:19 AM Re: Subwoofer cables [Re: dberthe]
MichaelTrottar Offline
old hand

Registered: 12/10/13
Posts: 83
Shielding becomes important if you have a long-term cable broadcast antenna nearby, or current carrying conductors parallel to the part of your cable run.
_________________________
Cinéma maison Montréal

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