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Help power pair of Infinity Kappa 9's please

Hi all!
I have a pair of Infinity Kappa 9's:
Nominal Impedance: 4 to 6 ohm
Power Rating: 60-340 watts RMS
Efficiency: 102 dB SPL @1 watt, 1 meter
Crossover Frequencies: 80Hz, 800Hz, 4500Hz
Frequency Response: 29Hz-45kHz +/-3dB
Physical Attributes:
1x - SEMIT Supertweeter
1x - EMIT Tweeter
1x - 3" Edgewound Voice Coil Polydome Midrange Driver
1x - 5" Polypropylene/graphite Diaphram Polygraph
2x - 12" Cast Frame , L/C Tuned Woofers
Dimensions: 59.5"H x 21.5"W" x 8"D

My room is 12'x12', I have $2500 budget and would like to play music off my computer. I need amp(s), a preamp, and a DAC i guess (is the DAC necessary at my low of a budget range?). I know my budget is low so I will be shopping for very used/old equipment. If anyone has any experience, suggestions, or words of wisdom, they would be very much so appreciated.
Thanks,
JT
jtiesel2
ngjockey
1,042 posts
 
http://www.audiogon.com/cgi-bin/cls.pl?ampstran&1288188965&/Aragon-4004-MKll-solid-state-s

Old but Palladiums not listed right now. No relation. What the manual doesn't mention is the below 1 ohm minimum impedance @ 90 Hz and severe phase angles. The early Levinsons were some of the amps Kappa9's could melt.
jtiesel2 OP
11 posts
 
Thanks for the input guys, I will look for some Mcintosh's and Carvers as well. What do y'all think about running the Kappa 9's with a pair of Krell MDA 300 Monoblocs?
jtiesel2 OP
11 posts
 
Also Mitch4t I find pairs of Carver 9t monoblocks selling for approximately $1500 which you say makes your Kappa 9's sing yet is out of my $2500 budget. Please explain
cajunpepe
255 posts
 
They will bring a carver to it's knees as well.
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