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Krell KSA150 vs KSA100S & KSA100 for Inf Kappa 9

I've been struggling for a year now to power a pair of Infinity Kappa 9's or should I say pwering the woofers. I've bought 2 Parasound HCA-3500's and Adcoms Flagship model. Neither can run the Kappa 9 woofers at high volume levels for a length of time. Some of you said right in the beginning to buy a Krell. Well now I'm ready to make that purchase. I'm only going to use the amp to power the 4 woofers. What is the comparison between the KSA150 and the KSA100S and the older KSA100? I can spend up to $2,000. Also should I hold out and spend a little more on a KSA250 or KSA200S? Any advise will be greatly appreciated.
400bill
400bill OP
5 posts
 
Well, I just purchased a Krell KSA-250S for $2100. It's being shipped by a common carrier to a buisness on a pallet. It does have all it's original boxes and packaging. So I hope it doesn't get damaged. I'm sure this one will work exellent. My Kappa 9's are the ones with the switch.
jmcgrogan2's avatar
jmcgrogan2
6,346 posts
 
Congrats, that's one of Krell's best amps ever. When you receive it, get the serial number and send it to Krell. Ask them when was the last time the power supply caps were changed. If they have never been changed, I would advise that you have this service done now, since we don't know what lies in the future for Krell.

Cheers,
John
tabl10s's avatar
tabl10s
1,008 posts
 
Juanpa might be right. The Krell might be a better product than the speaker's(the K9's received a bad review years ago in TAS).
meadowman's avatar
meadowman
124 posts
 
JCrogan,

What actual real info do you have that leads you to state Krell is having financial problems?
racerxnet
49 posts
 
If driven properly the Kappa 9's are still better than many of todays speakers. They were innovative for their time with the emit and semit drivers. Yes, and unfortunately hard on amplifiers. None the less, still a bargain and very musical from Arnie.

I would not worry about a bad review from TAD as we are all aware that the Kappa 9s are amp eaters. The Krell should be very good at driving a 1 ohm load. I would put the Kappa's against any speakers in the 2K to 7K price range and bet they are able to stand on their own.

You can join the Infinity forum and get a substantial amount of information on the K 9's.

Proud owner of Kappa 9's, RSB 1's, and Genesis 200's

MAK
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