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Thread: Krell KSA-250

  1. #1

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    Default Krell KSA-250

    I drove to Ohio Saturday to hook up with Carl and pick this hot running beast up; a Krell KSA-250. Thanks for getting it closer Carl! As always great hooking up with you! The KSA-250 is a Class A amp, 144 pounds, 250 WPC @ 4 Ohm, doubles to 500 at 4 Ohm, stable to 1 Ohm at 2000 WPC.

    This actually reunites an old combo Carl is very familiar with. His long time friend Dipole Dan had the KSL pre amp I have now with this KSA-250 running some big Carver Amazings. This is one of the many Krell amps Ed Savinon owns. IIRC he actually has a pair of these converted to mono blocks! Sick!

    I got it out of the trunk myself and stuck it on a hand truck to get it into the house. Popped the hood, everything looks good in there. I had it good before, but this amp makes it even better. Tighter and righter. It is the panel amp; a 600WPC @ 4 Ohm active crossover bass amp runs the bass modules and tells the Krell what to do.

    Starting to look like an old Krell dealer here. The KRC-HR is Ed's too. The KSL was, but I bought it and recapped it.

    Last week I prepared for today. My two channel circuit is close to the breaker box so I pulled a couple more 12 gauge wires through the pipe for a second 20 amp circuit just for the amp.
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    Last edited by SCompRacer; 05-19-2013 at 07:27 PM.
    Make yourself necessary to someone. Ralph Waldo Emerson

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  2. #2

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    I look forward to hearing how this sounds compared to the sanders

  3. #3

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    Rightous amp!

    Rich, you've got to get that plant out from in front of your speaker.
    'Political Correctness'.........defined

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  4. #4

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    wow, that is a monster! I hope you have good air conditioner in your house!
    Make it simple...Make it better!

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    When are you going to get serious about this hobby, Rich?

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    Thats a monster.Looks like kitty is checking the suitability for a new well heated sleeping space.

  7. #7

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    Looking good Rich! It's always good to see you in the flesh LOL!

    Did we win the lotto? If so, we'll wipe our butts with Krell equipment! LOL!

    Please note that amp is twice as deep as most other components in a 19" rack. You need a dedicated amp stand, separate from your rack. And, a 20 amp dedicated circuit. Make sure you like it Richee! I might have to get one myself when I reorganize my system rack. Love the sound of that amp. A Krell KSA-250 would make a pair of swimming pool speakers sound good!
    Carl

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    Rich, you're going to burn your ankle every time you flip the vinyl LOL!
    Carl

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    Krell amps are phenominal amps power and build wise. I find them to be a little too analytical for my taste though from a sound point of view. Extrememly tight bass, and you can hear EVERYTHING in the recording to the nth degree. Just not too much "musicality", IMO though. Still, a phenominal amp in many ways Rich. Don't get me worng, I am not bashing your amp, Krell's are just not my taste. Please let us know what you think sir after doing some listening.
    Taken from a recent Audioholics reply regarding "Club Polk" and Polk speakers:

    "I'm yet to hear a Polk speaker that merits more than a sentence and 60 seconds discussion."

    "Green leaves reveal the heart spoken Khatru"- Jon Anderson

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  10. #10

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    Awesome amp!!
    Kenwood KR-V8070
    Kenwood DR-V5070
    Polk RTi A9- Mains
    CSI A6- Center
    Energy 10 Sub
    Panamax M4300-PM Power Conditioner

    Working on updating my set up

  11. #11

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    I am still working on the visual for "I got it out of the trunk myself"
    Nice addition. Let us know how it compares to your Sanders.
    pre VAC Standard LE, power VAC PA100/100 phi upgrade, analog Origin Live Aurora Mk2, Origin Live Encounter Mk3c, Benz Ebony H, digital Lector 0.6t, speakers Thiel CS2.4, Rel Strata III, cables Audience AU24 e IC, Audience AU24 e SC, power Audience aR1p, Audience aR2p, Audience PowerCord e

  12. #12

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    Quote Originally Posted by headrott View Post
    Krell amps are phenominal amps power and build wise. I find them to be a little too analytical for my taste though from a sound point of view. Extrememly tight bass, and you can hear EVERYTHING in the recording to the nth degree. Just not too much "musicality", IMO though. Still, a phenominal amp in many ways Rich. Don't get me worng, I am not bashing your amp, Krell's are just not my taste. Please let us know what you think sir after doing some listening.
    Combine it with a tube pre. I have a KAV-2250 amp and it's fantastic with my Dared MC-7P.
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.

  13. #13

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    .That baby is beautiful Rich, unleash the power of the Krell!!!

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    I'm definitly stopping by next time through.....I just hope you're NOT home

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    Holy hell! Time to add some supports to the subfloor underneath your equipment
    Front Speakers: Polk Audio LSi15 x 2
    Center Speaker: Polk Audio LSiC
    Rear Speakers: Polk Audio LSiF/X x 2
    Subwoofers: Polk Audio PSW505 x 2
    AVR: Denon AVR-3313CI
    Amp: Emotiva XPA-5

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    Rich! Good seeing you got the beast inside, just don't let Jasper sit on it or he might get a little of a hot behind!

    Or you might just get a nice kitty kiss from him

    Can't wait to hear your impressions on the amp!
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  17. #17
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    Congrats on a mega amp! However, I'd be interesting also to hear how it compares to your Sanders.

  18. #18

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    Congrats, nice looking beast! I can tell you from experience Class A amps are not much fun in the Summer time . Crank the A/C

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass

    Pass Aleph 30; Eastern Electric Mini Max; Adcom GDA600; MIT S3/Z Pc; SDA 1C; Squeezebox; Tubes add soul!

  19. #19

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    Congrats--have fun,,,,and I thought I was a power pig!
    JC approves....he told me so. (F-1 nut)

  20. #20

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    Nice looking beast!

  21. #21

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    Quote Originally Posted by headrott View Post
    I find them to be a little too analytical for my taste though from a sound point of view. Extrememly tight bass, and you can hear EVERYTHING in the recording to the nth degree. Just not too much "musicality", IMO though.
    In some cases this is true, however I haven't heard a KSA series sound like you are describing. If anything, they can be a tad warm.
    Carl

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    He hasnt responded in a bit. Must be recovering from the hernia!

    Nice pickup on an amazing amp

  23. #23

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    Quote Originally Posted by schwarcw View Post
    In some cases this is true, however I haven't heard a KSA series sound like you are describing. If anything, they can be a tad warm.
    tad warm....I'll say! 77C/172F on the sinks measured with a Fluke 52 II. +1 to dat, no strident here, at all, IMO.

    Jasper got close to it when all warmed up and figured out it was too hot to get on.

    Carl don’t forget I do have a sturdy amp stand I can turn 90 degrees that just happens to fit the monster. (Somehow I just knew this day would happen). My active/bass amp would fry if placed above it and restrict cooling. I am still in winter setup as the 5 foot tall Jasmine plant doesn’t go outside until after Memorial Day. We have to get rid of it anyway as the wife has become allergic to all perfumes. The jungle plant can go in the empty corner than, and my rack to the south wall. The hanging branch is Jasper’s work; he pulled it down. The sneaky bastage likes to connect to his wild side by laying under it and blasting out through the leaves to startle his owners at night.

    I’m looking at having the RAS guys over June 22. Mainly a music meet, but I will swap the Sanders back in for a comparison. They can tell you if I went the wrong way, too far, etc. I've been all tube, all SS, partial tube/SS and now back to all SS with my DIY DAC.
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    Last edited by SCompRacer; 05-21-2013 at 11:13 PM.
    Make yourself necessary to someone. Ralph Waldo Emerson

    Salk SoundScape 8's
    Krell KRC-HR Class A Pre w/ Reference Phono
    Krell Class A KSA-250
    Harmonic Technology Pro 9+
    Squeezebox Touch / Welborne Labs PS / I2S Out Mod
    Denon 3910 w/I2S/DSD Out
    Twisted Pear Buffalo III Dual Mono ESS Sabre32 DAC
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    Heavy Plinth Lenco L75 Idler Drive
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    GIK Acoustic Treatments


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    Quote Originally Posted by erniejade View Post
    He hasnt responded in a bit. Must be recovering from the hernia!

    Nice pickup on an amazing amp
    Thanks! I've been meshed on both sides already about 15 years ago; a year apart for each side.
    Last edited by SCompRacer; 05-21-2013 at 11:13 PM.
    Make yourself necessary to someone. Ralph Waldo Emerson

    Salk SoundScape 8's
    Krell KRC-HR Class A Pre w/ Reference Phono
    Krell Class A KSA-250
    Harmonic Technology Pro 9+
    Squeezebox Touch / Welborne Labs PS / I2S Out Mod
    Denon 3910 w/I2S/DSD Out
    Twisted Pear Buffalo III Dual Mono ESS Sabre32 DAC
    Sennheiser HD650
    Heavy Plinth Lenco L75 Idler Drive
    AA MG-1 Linear Air Bearing Arm
    AT33PTG/II & Denon 103R
    Shunyata Hydra (Original)
    NHT B-12d subs
    GIK Acoustic Treatments


    CP Showcase

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    I've picked up that up with a friend of mine. Moved it about 30 ft and sat it down. It's one heavy sum bitch!

    Rich, you could buy a new amp these days that would sound as good as that Krell without dropping 10 large!
    Carl

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    Quote Originally Posted by schwarcw View Post
    I've picked up that up with a friend of mine. Moved it about 30 ft and sat it down. It's one heavy sum bitch!

    Rich, you could buy a new amp these days that would sound as good as that Krell without dropping 10 large!
    let me guess Emotiva...coming out of the closet Carl

  27. #27

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    I am officially offended. You guys were in Ohio and didn't come over.

    I'm a decent host. Just ask Doug & Brock

  28. #28
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    Quote Originally Posted by Ricardo...again View Post
    I am officially offended. You guys were in Ohio and didn't come over.

    I'm a decent host. Just ask Doug & Brock
    We thought you got deported, Ricardo
    SRT For Life; SDA Forever!

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  29. #29

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    Quote Originally Posted by Ricardo...again View Post
    I am officially offended. You guys were in Ohio and didn't come over.

    I'm a decent host. Just ask Doug & Brock
    We're bad.....If I had stopped I'd be spending the night.

    Deported...lol
    Make yourself necessary to someone. Ralph Waldo Emerson

    Salk SoundScape 8's
    Krell KRC-HR Class A Pre w/ Reference Phono
    Krell Class A KSA-250
    Harmonic Technology Pro 9+
    Squeezebox Touch / Welborne Labs PS / I2S Out Mod
    Denon 3910 w/I2S/DSD Out
    Twisted Pear Buffalo III Dual Mono ESS Sabre32 DAC
    Sennheiser HD650
    Heavy Plinth Lenco L75 Idler Drive
    AA MG-1 Linear Air Bearing Arm
    AT33PTG/II & Denon 103R
    Shunyata Hydra (Original)
    NHT B-12d subs
    GIK Acoustic Treatments


    CP Showcase

  30. #30

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    Quote Originally Posted by pitdogg2 View Post
    let me guess emotiva...coming out of the closet carl
    lol.

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