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HifiMAN HE-6 Planar Magnetic Headphone
Feb 9, 2013 at 1:18 PM Post #8,146 of 21,868
Quote:
dleblanc343 said:
I bought a McIntosh MC225 integrated vintage tube amp with upgraded MC240 transformer/ new tubes and full clean up.

I initially felt like selling my mjolnir but it's useful to have. The McIntosh simply outperformed my HE-6/HD800/LCD-3's through the gung/mjolni/bha-1, vintage sansui and marantz.
Click to expand...

From what I can tell push-pull like your MC225 is the best route for tube amplified HE6's,  the only SET I've found that on paper has the voltage swing required for HE6's is the Audio Note SET.  Hopefully Hifiman will come out with a new flagship with sensitivity too at least work with a 300 SET.  Until then I think I will stick with my HE-500's as I am a bit of an SET devotee.
 
Feb 9, 2013 at 2:30 PM Post #8,147 of 21,868
Quote:
jackiedh said:
I also am using a CAS 1 with my HE 6--What striking difference do you hear with the 400A?
 
Thanks
 
Jack
Click to expand...

As I said above, when I AB'd the amps on Mini Maggis the difference was not as pronounced. With my HE-6 phones, however, the 400A had much greater presence, depth of field, clarity (less veiled), and bass reach. Some of this would be expected given the design differences in the amps. As to a comparison between to two types of amp, however, this conclusion may well not be particularly fair given that while they are both the same vintage, my CAS 1 has its original capacitors which are at or beyond their expected life while the 400A has some newer (at least a decade) components and more recent design improvements than the original 400A.
 
Feb 9, 2013 at 3:04 PM Post #8,148 of 21,868
Quote:
rlawli said:
As I said above, when I AB'd the amps on Mini Maggis the difference was not as pronounced. With my HE-6 phones, however, the 400A had much greater presence, depth of field, clarity (less veiled), and bass reach. Some of this would be expected given the design differences in the amps. As to a comparison between to two types of amp, however, this conclusion may well not be particularly fair given that while they are both the same vintage, my CAS 1 has its original capacitors which are at or beyond their expected life while the 400A has some newer (at least a decade) components and more recent design improvements than the original 400A.
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Thanks--My CAS 1 is also all original parts and I don't know if refurbishing it will reap any real noticeable differences as it sounds awful nice as is--
 
But as always with the HE 6 you never quite know if this is the best it has to offer or if there is still more to hear!!!
 
Jack
 
Feb 10, 2013 at 8:39 AM Post #8,155 of 21,868
****** my right driver has died. I will send to head direct for a replacement. Fortunately they offer a remplacement even the headphone is not under warranty but you have pay.
 
Feb 10, 2013 at 10:15 AM Post #8,156 of 21,868
hun7er said:
****** my right driver has died. I will send to head direct for a replacement. Fortunately they offer a remplacement even the headphone is not under warranty but you have pay.
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I am awaiting an exchange pair myself. Chinese New Year and all I hope it's not too long. I've sent payment and the headphones and am waiting a response.
 
Feb 10, 2013 at 11:45 AM Post #8,157 of 21,868
Quote:
wuwhere said:
Nelson Pass, a brilliant SS amp designer. Check out his patents from the 70s to the 90s.
 
http://www.stereophile.com/interviews/nelson_pass_patents/index.html
 
Perhaps he should design an hp amp.
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So far my first Watt F1J is the best amp I've heard with the HE-6 as of yet.  Other than the $8.5K SimAudo amp I heard at the audio store with the HE-6.  Nelson is a great guy to deal with as well.
 
I bought the F1 from SoupRKnowva and sent  it to Nelson to convert it to the F1J.  It's been one of my best purchases thus far.
 
Feb 10, 2013 at 2:39 PM Post #8,158 of 21,868
prep, how do the Beta and F1J differ when feeding the HE6? Looking for purely a SQ comparison.
 
Feb 10, 2013 at 2:59 PM Post #8,159 of 21,868
Quote:
hun7er said:
****** my right driver has died. I will send to head direct for a replacement. Fortunately they offer a remplacement even the headphone is not under warranty but you have pay.
Click to expand...

Quote:
happy camper said:
I am awaiting an exchange pair myself. Chinese New Year and all I hope it's not too long. I've sent payment and the headphones and am waiting a response.
Click to expand...

 
How much do you have to pay?
 
Feb 10, 2013 at 3:54 PM Post #8,160 of 21,868
Quote:
shahrose said:
prep, how do the Beta and F1J differ when feeding the HE6? Looking for purely a SQ comparison.
Click to expand...

 
Both with the HE-6 only:
 
Both are pretty forgiving.  The F1J extracts more detail and has more dynamic range.  The F1J has a bigger soundstage compared to the B22.  The treble on the F1J extends further out, the B22 will roll of sooner making the F1J appear more detailed.  The F1J appears to be the faster amp as well.  The B22 also seems more laid back.  The F1J has more weight in the bass both in the sub bass and mid bass with more punch and attack.  The B22 does a better job at this with headphones other than the HE-6. 
 
The soundstage, extended smooth treble and the bass weight the F1J provides is what separates it from all other amps I've heard with the HE-6.
 
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