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Great sub amp

71.185.77.205
Posted on February 21, 2012 at 19:30:39
Barry
Audiophile

Posts: 296
Joined: November 24, 1999
Contributor
  Since: January 18, 2009
 Looking for a great solid state stereo subwoofer amp to drive a pair of 3-4 ohm Kinergetics sub towers below. XO @ 57 Hz & 18 dB per octave with speaker having usable output to 15 Hz and lower. Looking for 200-300 watts. Need XLR input and to be able to lift it - under 100 lbs! Budget is $2-4K or maybe a little more new or used. If used, not too old as last amp "bit the dust". Thinking Classe Ca-2300, Pass 250.5, Bat VK - XXX or Modwright 150SE. Tried Threshold Se/550, Adcom 5802 and SA-20 and they weren't ideal and a little old. Adcom 5800 was amazing but also a little long in the tooth.

Thanks for the advice! Barry




 

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bryston 4bst, posted on February 21, 2012 at 19:46:15
neolith
Audiophile

Posts: 2718
Location: Virginia
Joined: February 21, 2002
Contributor
  Since: December 2, 2004
 The Bryston ST series tends to be bright but for bass control it's hard to beat. Used Bryston 4B ST (250 wpc conservatively) can be had for ~$1200 or less and these come with a 20 year transferable warranty.
 

 


 

Why not class D?, posted on February 22, 2012 at 13:25:19
sbrians
Audiophile

Posts: 968
Joined: March 4, 2002
 Like Channel Islands Audio.

 

RE: bryston 4bst, posted on February 22, 2012 at 17:28:58
Barry
Audiophile

Posts: 296
Joined: November 24, 1999
Contributor
  Since: January 18, 2009
 Would the 4bsst2 work as well? Anyother suggestions? Many thanks Neolith.

 

RE: bryston 4bst, posted on February 22, 2012 at 19:21:46
neolith
Audiophile

Posts: 2718
Location: Virginia
Joined: February 21, 2002
Contributor
  Since: December 2, 2004
 Sure, but if you are only going to use the amp to drive sub-woofers then why spend the extra money on something that will just go down the drain. Some would even argue that a pro-amp like a Crown XLS1000 would work as well - this is a Class D with built in crossover (4th order L-R LP as low as 50 Hz) for only $300 and weighs under 10 lb!
 

 


 

RE: bryston 4bst, posted on February 22, 2012 at 19:26:34
dumpingground
Audiophile

Posts: 151
Joined: February 23, 2011
 I agree, the Class D Crown XLS amps are just the ticket for sub work. Very lightweight powerful and with XLS inputs.

I use them with my subs and maggies.

http://www.avsforum.com/avs-vb/showthread.php?t=1295375

 

RE: bryston 4bst, posted on February 23, 2012 at 05:51:10
acroy
Audiophile

Posts: 130
Location: Dallas-area
Joined: December 5, 2011
 Agreed, Crowns or any other solid pro-sound name would be excellent. I am using QSC GX series and like them a lot. The QSC does have objectionable fan noise, can be solved by replacing with quiet fan or resistor mod.

 

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