AFFORDABLE (under $1K) Best SS and Tube Amps for HD600


Best SS Under $1K for HD600 (or similar load) __________________________________________________________

WHAMMY Class-A headphone amplifier w/ OPA2107 upgrade OR 2 OPA627 pro build ONLY $500-$600 PASS Design (similar to/ better than a dynalo- warm + clinical - choice of chip switches sound - these are two I like best- choices chips R infinite)
TCA HPA-1 ( Tom Christiansen Audio ) $899 (warm and clinical but not like WHAMMY

Gilmore Lite Mk1 or Mk2 (Like a Dynalo) $300-499 (nice- a bit warm/clear for SS)
Rupert Neve Designs RNHP $499 (clinical gain power)
neurochrome HP-1 Kit $500 (similar to DYNALO and TCA HPA-1)
Monolith by Monoprice THX AAA Balanced Headphone Amplifier featuring THX AAA 887 $399 (cheap and very good black velvet background- just nice warm sounding like WHAMMY or TCA or Gilmore)
Emotiva BasX A-100 Flex with jumpers activated for full headphone power $229 (gobs of raw power no real special sound except its fun to open the HD600 with this much raw power for cheap)


Best Tube Under $1K for HD600 (or similar load)
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Quicksilver headphone amp $899 (probably best looking of all these and sounding)
Bottlehead Crack w/speedball and upgraded power cord by them Professionally build ($800) (HD600+this is like peanut butter and jelly - everyone agrees this is nirvana for HD600)

TOR AUDIO Roger $560 (amazing like Crack without speedball/power cable) DIY Bottlehead Crack w/speedball $400+ 90 for cable + 8 hours time and no where same build as above
Bottlead Crackatwoa 800-$944 KIT ONLY qualifies here under $1K BUT you could get pro built for ($1700+)
Schitt Valhalla $349Schitt
Schitt Mjolnir $849
Woo WA3 Headphone Amplifier $599 (no longer made - find on used market or wait for ver2)Woo WA6 Version 2 $699
Woo Fireflies with DAC 2nd gen $999 Starving Student II Headphone Amplifier $229+ 8hrs buildTOR NICK Headphone Tube Amp $480 (wood w/tubes)
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Im probably missing a bunch but this is my short list! Please join in...
Honorable mention OVER $2500 probably no one EVER heard of: Toolshed Amps The Darling HEAD AMP made in USA $2595
128x128whatugot

Showing 7 responses by whatugot

yes I heard the same thing- nice amp for $$$ for HD600 or H6XXthis review says the Schiit Vali 2 is better for even less https://www.youtube.com/watch?v=9X9bmQPMjNg
Just discovered this little Chinese Tube gem La Figaro 339i Tube Headphone Amplifier $650-$900 -
FROM A REVIEW SOMEONE ELSE DID: "I have to say, how wrong it might sound, that I love all of my headphones with the 339 but the ones standing out most are the Sennheiser HD600/650 and the Hifiman-HE500. The Sennheiser – 339 combo is really a match made in heaven and I have never heard the Senns sound as good as with this amplifier. When I have people over, even those not knowing much about audio, they all put this combination on the first place of the podium. It’s just that good, warm, smooth and detailed. The perfect Sennheiser sound with good bass and detail.Compared to the Bottlehead Crack, the OTL Crack is the faster amp of the two, it it clearer sounding and focuses more on the treble. Bass with the Crack is punchier but not as deep and it doesn’t quite have the same rumble. Overall the 339 is smoother, warmer and laid back with an even bigger sound stage. It just makes you feel the music better (softer) as the crack. The Crack is a great deal and an excellent amp as we already said in our review but the La Figaro 339 is the better amp for me. Compared to the Woo Audio 2, the 339 is the more tube-ish sounding amplifier with a much warmer sound. The WA2 sounds much cleaner and faster but misses the warmth and soul I like of the 339. The WA2 is more analytical as the 339 and the bass depth and rumble isn’t quite the same, however it does have an even bigger sound stage. Most likely a full WA2 review will follow later. "

I just had the opportunity to compare Op amps in the Pass WHAMMY which I find sounds better than the crack/ speedball - really- no kidding.
Comparing the OPA627 (you need two so about $60) vs OPA2017 ($20)
Using the OPA627 is a bit more clearer and articulate across the spectrum - open spacious, clear and deep bass - like opening a window to the OPA2017

I if had just the OPA2017 in the WHAMMY - I already determined it sounds better than the Crack w/sb and the Emotiva Bas-X 100 - and the two MUSES8920 op amps in my TEAC UD-301. BUT - The OPA627 dual chip design is by far best especially in the WHAMMY. I have used many amps before this- and for a single ended amp this beats even the Bottlehead Mainline 1.1 and the Crackatwoa as well. The closest the Bottlehead comes is the crack w/sb and power cord upgrade but still not revealing the last details that the Whammy provides my HD600. I can not comment why the power cord on crack makes such a nice difference but it does-

I have rotated my ER-4 Micro Pro P and S editions in the WHAMMY and its a perfect match as well. Unlike the Crack or the Emotiva which pale when using these critical ear phones.

I also used the Sony MDR-V6 and MDR-2506 which usually sound terrible when things aren’t right- they are not the best for music long term though on any system.
I also used the Master Dynamic MW30 and they sound excellent with WHAMMY as well.

very impressed.
Caveat to WHAMMY- no output RCA and no front power on off switch, and you need to rely on a professional builder- I got mine from James the HeadAmpBuilder

I can not believe how good this PASS design is- I cant stop listening to music!
Im in heaven with the WHAMMY- As I sit here late at night- Im now using my Etymotic Research EM4pro S(ER4S) - to check for any noise or any imperfections in my set up- I love it- very very detailed. Bass is scary when the song has it. I just ordered the 250ohm Beyerdynamic DT-150 tanks just to see how far I can take my set up. I must be into some s&m or maybe I just want to hear every detail possible. I do love using the HD600 but the wife keeps telling me they are too loud!
In rotation as I write this....Shirley Horn You’re My Thrill, Shirley Horn Since I fell for you, Losing Hand by Harry Belafonte - you hear it all! And I wouldn’t want it any other way! enjoy the music as they say. OH my! God Bless the Child Gregory Porter from Be Good album- so gooooood.... now Linda Ronstadt Am I Blue w/ Nelson Riddle conducting

Adding Monolith by Monoprice Liquid Platinum Balanced Headphone Amplifier by Alex Cavalli (right now $549 was $799)
AND subtracting the Emotiva BasX A-100 Flex - its a noisy pos