Any experience with a crown K1 or K2 amp?


Hi there, I am looking into the crown K2 and K1 amps for a subwoofer project. I could use any user info and am curious to see if it is still musical or just all out control like no other? I really love the idea of a 3000 damping factor and am curious to see how it plays out, Thanks
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I want us this amp for home audio 84db 15" subs that are rate at 2000 watts. Is the K2 a good amp for hard to drive subwoofers or is it meant for high easy to drive subs. Thanks
I researched this years ago and went with the Crown CTS2000, which was supposed to be an evolution of Crown's K2 amp.  The CTS2000 used the efficient Class I amp circuit and was definitely a very nice sub amp.  The CTS was discontinued and replaced by the DCi series (and other "DriveCore" amps).  All the new amps, including CTS, use fans.  The fans are somewhat quiet, but they can spin up when the amp heats during high usage.
Love my K2 totally controlls a pair of JBL Synthesis 1B1 Sub with its big long throw 15” woofer.