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  1. olek

    Feedback by 'olek' on listing 'FiiO FD5 [SOLD]'

    Perfect transaction, IEMs are just as described, fast shipping and excellent communication. Thank you!
  2. olek

    AURALiC owners unite!

    There is no 'real' issue with having both sets of inputs connected, I ran my Taurus this way for some time, and that worked well. User manual stated that they do not recommend running this way since there is a chance that there could be some minute leak from unused input, so in interest of...
  3. olek

    Sennheiser HD800 or Beyerdynamic T1. Which should I go for?

    You will find that opinions (and taste) differs. When I brought my first-gen T1's to a meet and we had a chance to compare them to in-store second-gen T1's, feeding dsd128 vinyl rips through Auralic Taurus MkII, difference was clear, and surprisingly it was in favor of older gen - sound was...
  4. olek

    Pittsburgh HeadPhile Meet!

    Kudos to organizers of this meet! Thank you, Craig! Huge thanks to our hosts from Music To My Ear!   I had a great time there today.   Who would have thought that BH Crack could best Auralic Taurus when paired with original HD800??? Surprise!   I was considering selling my BH Crack, but...
  5. olek

    Pittsburgh HeadPhile Meet!

    Wish I could have come that evening, but family responsibilities intervened.   Sounds like some of you had a great time there!
  6. olek

    Sennheiser HD 600 Impressions Thread

    O2 was developed with HD650 in mind (those were primary headphones of its designer), and it works pretty well with them. HD600 out of O2 are a little thin, but still very good. Some claim that O2 is all one will ever need, and that is laughable, but it is pretty good amp (for HD650) for the...
  7. olek

    Sennheiser HD 600 Impressions Thread

    Frankly, bass is not HD600 strong point. It is a very tasteful bass, great for jazz and classical, but if you like to have sub-bass (30 Hz is a whale talk frequency, I think)... I do not think you are going to have a lot of it. For me, this is is one area where T1 trumps HD600 most noticeably -...
  8. olek

    Sennheiser HD 600 Impressions Thread

    I would say hd600 highs are a bit more shelved compared to 9500.   Mind you, I like both cans for what they are. At least, as long as stock headphone cable for 9500 is placed where it belongs - in a trash can. Very poor cable, causing lots of harshness, glare and missing detail. Upgrading it...
  9. olek

    AURALiC owners unite!

    OK, I have re-terminated T1 today with balanced Neutrik connector and silver Cardas solder.   Imaging/focus definitely improved and it sounds like certain veil was lifted, improvement is very much akin to what happened to HD600 upon re-termination, except improvement of HD600 was more...
  10. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    Because balanced input is more resistant to noise and less sensitive to cable quality compared to unbalanced - same reasons why pro grade equipment always uses balanced interconnects, even if they never use balanced headphone jacks.   "100% balanced or bust" became a religion in audiophile...
  11. olek

    AURALiC owners unite!

    Hello   New AURALiC owner happy to report here   Took delivery of a new (to me) Auralic Taurus MkII couple days ago, and still trying to recover from the shock.   First, it totally shaken up my headphone priority list. My top-of-the-list-by-far T1 (first gen) suddenly taken a step back to...
  12. olek

    Pittsburgh HeadPhile Meet!

    Thank you for organizing those, Craig! It is much appreciated!   I had really good time there, it was great to see other people affected by audio malaise, and it was really fun to try different equipment out there!   I was surprised how well my first gen T1 were holding to others, they...
  13. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    Sorry if I am going to sound harsh but consumer's misconception that if equipment deliver louder volume with smaller turn of volume knob it must be more powerful hurt this industry. Amp design can use linear potentiometer (bad idea), or logarithmic one (typical), and their rate of resistance...
  14. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

      Stock, it will amplify them fine - as long as you do not expect greatness. If your dt880 is 600 Ohm model, it will be OK with H10, just a bit dull.   If you only wanted to feed hd650, O2 would be not bad as interim solution, cheaper, smaller, and performs (with HD650!) on almost the same...
  15. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

      I think you are right, H10 is best for headphones that are hungry for current. Also, HD650 are very dark and veiled, and stock H10 is a bit dark and soft/veiled, and too much of a good thing is not a good thing. For that reason I sold my HD650 some time ago and replaced them with HD600, and...
  16. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    No, there is no schematic for H10 available.
  17. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    @MachineGunz I think I understand what you are trying to say.   I owned (and used heavily) AD900 for a long time, and absolutely adored them (as I understand, AD900x are similar). You will NOT get 400i to sound like an improved version of AD900, they are very different phones. AD900 had very...
  18. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

      Try not tightening front/side screws all the way upon reassembly, leave them 1 or 2 turns loose. I find that on my H10 last couple turns are causing slight bending of the casework that can cause, for example, volume control to bind a little. Leaving strategic screw or 2 a tiny bit loose...
  19. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    Love your joke, thanks!   As for humming, other than poor chap that received his 220V H10 actually configured for 120V (ouch), nobody else ever mentioned humming. I know that mine was always quiet as a mouse - not a trace of vibration of any kind from it. I think you are likely going to have...
  20. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

      There are manufacturer's references online that it has JRC NJM2114 and TI NE5532 op-amps in the audio path.   Also, its previous incarnation, dv-ra 1000hd, was known to be full of budget opamps and some people were upgrading them (not nearly as easy as upgrading H10).   I have to admit, I...
  21. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    Yes! ZDSD is upgraded Tascam DA-3000!   Do not know how much those upgrades help but personally I find that in DA-3000 ADC in it is top-notch, DAC is good (half a notch below Denon DA-300USB), and amp is stellar, if unforgiving for bad recordings/sources. My current phono stage is a bit...
  22. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    @willowbrook - my T70 are fitting your description, but that is subject of my interpretation of your words. T1 should be great too.   And I think @wwmhf is right, H10 may not give justice to whatever Beyers you choose. Maybe full boat is different beast, and it will be OK, but stock H10 is not...
  23. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    This is most interesting development on the Burson's front. Makes total sense - opamp in unstable configuration can start oscillating and will pollute device with high frequencies, causing everything to work extra hard, overheat and so on.   That implies that melting down V5 Bursons would...
  24. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    Seeing that even some of new batch V5s have already bit the dust, starting to contemplate upgrading to V4 singles instead, given that they are rated at 20V, unless I am mistaken.   Anybody with experience with both V4/V5 wants to chime in?
  25. olek

    GUSTARD H10 High-current Discrete Class A output Stage Headphone Amplifier

    Correct, both H10 and Crack are very nice sounding amps.
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