Suggestions on SS/Mono Amps for woofer towers

I have a pair of Kenwood L-07's purchased on eBay a couple of years ago. You see them pretty often for around $350-450 per pair. I worked for Pacific Stereo back in the late '70s and they were generally our favorite amps for the larger Infinity speakers - no problem with the low impedance. You could consider biamping each speaker later by adding another pair of amps. That would be awesome.

For the money - Carver-Pro ZR1600 - probably 1000W per channel into your speakers and very tight bass. Just over $1K new and mods are around $1500. Nothing comes close as this price.

Here's a link to the thread about the Perreaux 5150 driving the woofers of an Infinity RS-1B system. If you do a search, you'll also find several comments about Rick's ( aka Rwd on Agon ) experience with a Perreaux PMF-2150 and PMF-3150 driving his RS-1B woofer columns. Quadophile also has come comments about bass output and woofer control using his Perreaux PMF-3150 in this review of Paradigm speakers. There are also several comments about older Perreaux's in this thread with specific reference made to them working quite well with "tough to drive" speakers that are of low impedance. I'm using two PMF-3150's to drive eight 12 inch woofers ( 2 ohm's per channel ) with nary a problem and thunderous bottom end. Sean
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I drive my infinity bass with a krell ksa 100. Does the job for sure.

Texas:

I'm interested in your experience with the Crowns.  I'm looking for mono's for woofer towers of Betas.

How have they worked out?