2. amps-preamps
  3. 1214222971

Subwoofer Power Amplifier Recommendations

I'm bi-amping a pair of 3.5 way speakers. Using a Joule VZN-80 tube amp to mids and tweets, but need an inexpensive SS amp to the woofers. Using a Marchand XM9 2-way electronic crossover & Marchand XM8 Basis. Specifics are:
- 2 Closed Box passive subwoofers
- Each box contains 2 Scanspeak 8 inch woofers
- Box Qtc = 0.731
- Driver Qts = 0.27
- Crossover to woofers @ about 80 to 100 Hz
- USE FOR AUDIO ONLY, NO MOVIES. Listen to folk, jazz, soft rock & vocals.

Question: Any recommendations for an inexpensive SS amp to run the subwoofers?
Do I need a low pass subsonic filter?
Will a 100 to 150 watt amp be sufficient?
Can I effectively use a standard SS amp or should I go pro audio equipment?
Thanks all, Jim
slhijb

Showing 2 responses by detlof

detlof
1,899 posts
 
Get a pair of Behringer professional amps for about 300 bucks or less per unit, set them to mono (bridging) and they will give you about 500 watts per side. You won't need a low pass filter unless you have a TT which rumbles like a hungry lion snoring and put on a floor which has the solidity of old bedsprings....
Here is the URL: http://www.behringer.com/A500/index.cfm?lang=eng
These things are built like a tank and used for this purpose sound amazing. I used them for good effect on my Gradient subs for quite a log time
detlof
1,899 posts
 
Of course you are right Rodmann, but since Slhijb wanted power, I suggested two. In fact, I substituted my two Behringers for the Gradient with 60 watt Atmas, which then blended much better with the Quad 63s I used at the time.
More to discover