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Subwoofer

74.108.11.40
Posted on January 5, 2024 at 14:01:21
Ampzilla
Audiophile

Posts: 241
Location: New York
Joined: January 30, 2006
 How do I hookup 2 Subwoofers Togerther

How do not have LFE ON MY PREAMP

i USE Y connectors on my preamp to run one Sub (WORKING FINE) How do hook up another sub Sunfire Subwoofer

This from the manual

Aways drive each woofer through the
Left/Mon input even though you are driving one woofer with a right channel drive
and the other with a left channel drive. If
your pream pli fi er has a single sub/LFE
output, use a Y cable to split it into two
outputs

 

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RE: Subwoofer, posted on January 5, 2024 at 22:17:03
tube Tom
Audiophile

Posts: 506
Location: Las Vegas
Joined: September 5, 2002
 Just as the manual says. Use a splitter to run 2 single RCA ( just split them down the middle..and make sure they're long enough ) to each sub. It really doesn't matter if its left or right signal because sub bass is mono.

 

What does matter, posted on January 6, 2024 at 06:15:25
E-Stat
Audiophile

Posts: 38703
Joined: May 12, 2000
Contributor
  Since: April 5, 2002
 It really doesn't matter if its left or right signal because sub bass is mono.

The challenge with daisy chaining (paralleling) two subwoofers from a single preamp output is you are presenting a significantly lower resistive load to that channel. I would not advise such.

With two subs, split each channel driving a single sub to balance the load difference.

 

RE: Subwoofer, posted on January 6, 2024 at 06:57:25
DrN
Audiophile

Posts: 367
Joined: January 31, 2014
 Another question please. I have 2 outputs on my Integrated Rogue CM 2, R+L each fixed and variable. Using "fixed" right now. Should I Use 2 "Y" connectors off of fixed and hook up the second sub Both subs Rythmik 12SE R+L? No speaker hook ups on these Servo amps.

 

RE: Subwoofer, posted on January 6, 2024 at 08:24:42
Mick Wolfe
Audiophile

Posts: 3412
Location: AZ
Joined: October 10, 1999
Contributor
  Since: September 4, 2000
 Maybe I'm missing something or perhaps your subs don't accommodate speaker level hook-up. I've hooked up subs speaker level for years without issue.

 

RE: Subwoofer, posted on January 6, 2024 at 08:46:32
G Squared
Audiophile

Posts: 8747
Location: Washington, DC Metro Area
Joined: November 16, 2004
Contributor
  Since: May 23, 2023
 If you want the subs to track the relative volume of the speakers, use the variable.
Gsquared

 

RE: Subwoofer, posted on January 6, 2024 at 08:51:17
DrN
Audiophile

Posts: 367
Joined: January 31, 2014
 I have been told the opposite use "fixed" to keep the path simpler. I'll try it again. THX!

 

It is simpler, but, posted on January 6, 2024 at 14:58:28
E-Stat
Audiophile

Posts: 38703
Joined: May 12, 2000
Contributor
  Since: April 5, 2002
 the subwoofer output will be constant, i.e. fixed regardless of volume control.

 

Hope you are enjoying your Rythmic subs, posted on January 7, 2024 at 07:33:01
G Squared
Audiophile

Posts: 8747
Location: Washington, DC Metro Area
Joined: November 16, 2004
Contributor
  Since: May 23, 2023
 Love mine.
Gsquared

 

RE: It is simpler, but, posted on January 17, 2024 at 19:00:15
Elixir63
Audiophile

Posts: 104
Location: North Coast
Joined: April 19, 2021
 I would use 2 cables from the variable outputs on integrated (L/R) to your L/R subwoofers.
That way the subwoofer will rise/fall with the output of the integrated, to main speakers.

 

caution re: speaker level hook-up, posted on January 23, 2024 at 21:05:14
ltman
 I tried that with my Musical Fidelity A1-2008 class A amp to my HSU sub that has speaker level inputs, and the A1 amp displayed a fault indication immediately on it's LCD display.

Some amps apparently can't support that type of sub connection safely. I should add I am an experienced hifi guy and very careful with my speaker hookups...

 

RE: caution re: speaker level hook-up, posted on January 24, 2024 at 09:25:48
Mick Wolfe
Audiophile

Posts: 3412
Location: AZ
Joined: October 10, 1999
Contributor
  Since: September 4, 2000
 Yes, there's always that possibility. A few years back I knew of a classd amp manufacturer who cautioned against it, but it seems pretty rare. I only have one solid state amp and it's Classdaudio Mini Gan3. Tom (the designer) endorses speaker level hookup. The exception being REL where he says not to hook up the ground (black) wire. So it's always a safe bet to contact the manufacturer if you feel there might be a compatibility issue.

 

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