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  1. henwell

    Where is the best place online to buy 6H30P-DR "SuperTubes" ?

    I have spent a couple  of hours today comparing the 6H30 Pi from electro- Harmonix 12/07 to a NOS 6H30Dr III/77 in the Project Sunrise II. the NOS 6H30Dr was burned in for 6 hours or so playing music through the Project sunrise II and the EH 6H30Pi has about 20 hours or so on it. The listening...
  2. henwell

    = HiFiMAN HE-560 Impressions & Discussion Thread =

    " are you shut down enough yet? Or do I need to embarass you further? " This tone doesn't really seem necessary  we are talking about a hobby here, headphones and music
  3. henwell

    Reply to review by 'henwell' on item 'FiiO X5 High-res Portable Music Player'

    Nice review with excellent photos
  4. henwell

    Project Sunrise/PS2 Tube Rolling Thread (and maybe even Project Horizon and Project Ember)

    If you find one you like and it makes your phones sound good stick with it.  I'm likely to go back to my trusty 1975 Voskhod rocket 6H23. It is fun to pull out some of the other tubes and have a listen but generally I end up going back to the old stock reflector or Voskhod 6h23's
  5. henwell

    Project Sunrise/PS2 Tube Rolling Thread (and maybe even Project Horizon and Project Ember)

    I have spent a couple  of hours today comparing the 6H30 Pi from electro- Harmonix 12/07 to a NOS 6H30Dr III/77 in the Project Sunrise II. the NOS 6H30Dr was burned in for 6 hours or so playing music through the PSII and the EH 6H30Pi has about 20 hours or so on it. The listening was done with...
  6. henwell

    Project Sunrise/PS2 Tube Rolling Thread (and maybe even Project Horizon and Project Ember)

    I just got my  NOS 6h30 DR  from 1977 and am burning it in for a bit, sounds nice, but tomorrow will do a side by side comparison with the new production electro-harmonix 6h30 Pi 
  7. henwell

    The Astell & Kern AK120

    I am sorry for my mistaken view  on this site, you were right and I have acknowledged it in the post. thanks
  8. henwell

    The Astell & Kern AK120

    thank you  turns out I was wrong I asked Tyll at inner fidelity and he said it would increase output impedance I believe the other party in this discussion could have used his attempt to educate me in another way.
  9. henwell

    The Astell & Kern AK120

    You are the one being rude mr know it all so just take a little rest
  10. henwell

    Project Sunrise/PS2 Tube Rolling Thread (and maybe even Project Horizon and Project Ember)

    I just pulled the trigger on a 1977 6N30P-DR . I already have an EH so I will post my thoughts on the difference in the project sunrise between the EH and the NOS DR
  11. henwell

    The Astell & Kern AK120

    Too bad I was thinking of getting the SE846's for my AK 120 maybe have to look else were. My et4P's sound very good with my AK120  maybe just stick with them.
  12. henwell

    The Astell & Kern AK120

    I am talking about putting a resister in line with the headphones which would effectively increase the resistance of the headphones it would not not increase the output resistance of the AK100 or 120 that would remain 20 for the 100 and 3 ohms for the 120 you would have to modify the AK's to...
  13. henwell

    The Astell & Kern AK120

    If you increase the resistance of the headphones you will modify the frequency response it would be worth a try and cheap
  14. henwell

    The Astell & Kern AK120

    Im talking about a resister in line with the headphone to increase resistance to modify the response of the headphones. I get how it works.
  15. henwell

    The Astell & Kern AK120

    I agree 100%
  16. henwell

    The Astell & Kern AK120

    You might be able to find or build an adaptor the has a resistor in it, etymotic uses one to turn their er4p to an er4 s. or do the red wine audio mod that decreases to output impedance to about 1 ohm
  17. henwell

    The Astell & Kern AK120

    THE FREQUENCY RESPONSE PROBLEM: If the output impedance is more more than 1/8th the headphone impedance there will be variations in the frequency response. With some headphones, especially balanced armature or multi driver designs, these variations can be rather extreme. Here’s what 43 ohms of...
  18. henwell

    The Astell & Kern AK120

    Maybe one reason could be a impedance mismatch, the output impedance of the AK120 and Titan is three ohms and the impedance of the shures is 9 ohms usually you like  8 times impedance difference so with a 3 ohm output impedance you would want a headphone with an impedance of over 24. The...
  19. henwell

    The Astell & Kern AK120

    When I plug mine in using the supplied usb cable the screen lights up for about 3 seconds and says charging battery and then goes dark. when I plug it into my IMac the screen comes on and does the same. if the unit is booted up and plugged into the computer usb it asks how you wish to proceed...
  20. henwell

    The Astell & Kern AK120

    were did you end up getting one?
  21. henwell

    The Astell & Kern AK120

    Mine was supposed to be here today but UPS dropped the ball should get it tomorrow Glad to here it works I have an AK120 . Im also going to try it in my FiiO X3 and see what happens
  22. henwell

    The Astell & Kern AK120

    will give you a heads up once i get it
  23. henwell

    The Astell & Kern AK120

    They are back ordered
  24. henwell

    The Astell & Kern AK120

    have to cancel best buy and go to amazon!!!!
  25. henwell

    The Astell & Kern AK120

    i just ordered a128gb san disk micro sd from best buy should have it in 3 to 5 days price $199.00 2 of those in the AK 120 would make for some serious storage but at some cost
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