tag:blogger.com,1999:blog-6890046273025265768.post7126277294683393024..comments2024-03-18T03:10:30.572-07:00Comments on NwAvGuy: Feb 1 UpdateNwAvGuyhttp://www.blogger.com/profile/00309644608738074125noreply@blogger.comBlogger186125tag:blogger.com,1999:blog-6890046273025265768.post-31263815407472912372012-06-24T04:25:04.447-07:002012-06-24T04:25:04.447-07:00Excellent post. I want to thank you for this infor...Excellent post. I want to thank you for this informative read. Keep up your great work.pcb suppliershttp://www.rushpcb.co.uk/noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-58834403905043390762012-06-20T21:36:03.699-07:002012-06-20T21:36:03.699-07:00Yes it looks very suss that he insists it is the t...Yes it looks very suss that he insists it is the truth yet does not have any evidence to support his claim. In this case it is his word against NwAvGuy; I tend to believe NwAvGuy, but even if you don't, there is no reason to accept his word at face value.<br /><br />Like NwAvGuy says, if he really wants to challenge then it should be done in an open forum where anyone can see the responses Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-54220280489449031312012-06-20T18:33:14.030-07:002012-06-20T18:33:14.030-07:00I can safely say the above is NOT true. It's p...I can safely say the above is NOT true. It's pure fabrication. It's rather telling he doesn't want to discuss it anywhere I'm not banned and doesn't have the alleged emails I supposedly sent him. If he was at all serious about the challenge what's so difficult about having an open discussion about it somewhere I can reply? He calls it "petty" yet seems bent on NwAvGuyhttps://www.blogger.com/profile/00309644608738074125noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-55658364773794552622012-06-20T04:01:42.069-07:002012-06-20T04:01:42.069-07:00"Oh, I am referring to your amp. Sorry for no...<i>"Oh, I am referring to your amp. Sorry for not being more clear. My source outputs 2.16 Vrms (6.7 dBV), so the gain needed is actually 3.2."</i><br /><br />A gain of 3.2 would not clip with a 0 dBFS sine wave, but it would be close to the clipping level. By the way, what source are you using (its output impedance can slightly reduce the voltage) ? The 2.16 Vrms value looks familiar Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-86276480109757812622012-06-20T03:50:46.281-07:002012-06-20T03:50:46.281-07:00I am not sure if the ban allows you to read Head-F...I am not sure if the ban allows you to read Head-Fi, but here is the complete reply from Zombie_X, he apparently does not have the intention of joining ABI or DiyAudio:<br /><br /><i>"That's hilarious man, I spoke to him via e-mail about the Auditor and the challenge and he stopped responding. I even posted on his blog about it once and I think he deleted it. In the e-mail he said no oneAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-79671525060222657882012-06-19T09:28:51.721-07:002012-06-19T09:28:51.721-07:00Someone please suggest "Zombie_X" respon...Someone please suggest "Zombie_X" respond somewhere I'm not banned. I would suggest ABI or DiyAudio for example.NwAvGuyhttps://www.blogger.com/profile/00309644608738074125noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-88147682797443371592012-06-18T01:55:24.952-07:002012-06-18T01:55:24.952-07:00Zombie_X has responded at Head-Fi: http://www.head...Zombie_X has responded at Head-Fi: http://www.head-fi.org/t/429371/the-beyerdynamic-dt880-600-ohm-appreciation-discussion-thread/1890#post_8465451Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-44066764008354486472012-03-02T08:47:29.215-08:002012-03-02T08:47:29.215-08:00There are really wide differences in headphones so...There are really wide differences in headphones so take your time and do try to hear some of them (or at least buy from a source with a hassle-free return policy). One person's "exciting" is another's "too boomy and bright". <br /><br />There's also physical comfort, noise isolation, and durability to consider. Some easily fall off your head while others feel like NwAvGuyhttps://www.blogger.com/profile/00309644608738074125noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-70715109397095282872012-03-02T04:36:29.626-08:002012-03-02T04:36:29.626-08:00From the comments it sounds like in the price rang...From the comments it sounds like in the price range I was looking at for headphones the O2 is unnecessary, but if use my total budget on headphones I would end up with a pair that would benefit from the O2.<br /><br />I guess I should have expected that. I've always encoded all of my music at very high bitrates for playback on my home stereo. Felt like I was missing out on the go, just had Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-80525983621618567582012-03-01T20:16:54.794-08:002012-03-01T20:16:54.794-08:00Mikeaj makes a very good point above that I've...Mikeaj makes a very good point above that I've mentioned often and should have included in my first reply. If you want headphones mainly for use with a portable player, I agree with choosing headphones that perform at least reasonably well without an amp. My More Power and Headphone Output Impedance articles can help answer questions about what headphones work well with what sources.<br /><brNwAvGuyhttps://www.blogger.com/profile/00309644608738074125noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-5163498183032892252012-03-01T19:30:51.929-08:002012-03-01T19:30:51.929-08:00Thanks for the feedback, I'm sure you will com...Thanks for the feedback, I'm sure you will come up up with a good solution. I also imagine the power supply could be an area that is more accessible to customisation by less experienced engineers, compared to other parts of the design. Since the desktop form factor is less restrictive I figure we might as well take advantage of that flexibility.Scoghttps://www.blogger.com/profile/07165109386490368574noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-22834012484734600972012-03-01T17:37:45.449-08:002012-03-01T17:37:45.449-08:00You can take a line level out of your iPod/iPhone ...You can take a line level out of your iPod/iPhone through the 30 pin connector which people have indicated gives a better signal than the headphone outlet. <br /><br />At least, that's my plan once I get all the bits together.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-43673704857625064582012-03-01T16:01:29.826-08:002012-03-01T16:01:29.826-08:00Hey,
I'm new to high end headphones too...I j...Hey,<br /><br />I'm new to high end headphones too...I just purchased Sennheiser HD600s after reading MANY reviews. I also purchased the FIIO E17 as a USB DAC and FIIO E9 as an amplifier after reading NwAvGuy's review of the FIIO E7...WOW, the sound is incredible, I chose the HD600s over the HD650s because most reviewers said they gave a more accurate representation of the music without Anonymoushttps://www.blogger.com/profile/06460456691323509508noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-52763750301333991112012-03-01T15:53:41.147-08:002012-03-01T15:53:41.147-08:00My advice would be to figure out what headphones y...My advice would be to figure out what headphones you want and then what is suitable for running that. A lot of headphones, particularly those under $130 (and many under $130 plus the cost of an O2), will be plenty fine out of an iPod. Pretty much any of these are big improvements over low-end junk headphones and earbuds, just maybe in different ways.<br /><br />The headphones generally make a mikeajnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-72835516931812451552012-03-01T13:05:14.105-08:002012-03-01T13:05:14.105-08:00Thanks for the encouragement. I'm aware the wa...Thanks for the encouragement. I'm aware the wall transformer has been an ongoing problem in many countries outside North America (although there are several decent options for most of Europe and the UK). While it may not be elegant from the view of finding one in some countries, it's very elegant from a safety, size, and cost vs performance perspective. The O2's power supply is NwAvGuyhttps://www.blogger.com/profile/00309644608738074125noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-88709652488605640952012-03-01T12:54:07.310-08:002012-03-01T12:54:07.310-08:00The beauty of the O2 is it's well suited for n...The beauty of the O2 is it's well suited for nearly any headphone you might even remotely consider. Unlike a lot of headphone amps and sources, there's no need to avoid certain popular headphones or worry about a "good match". That said, headphones are very subjective. I would suggest spending some time at Headroom and InnerFidelity. Both have a lot of good resources and guides.NwAvGuyhttps://www.blogger.com/profile/00309644608738074125noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-84718410567615486222012-03-01T12:41:59.787-08:002012-03-01T12:41:59.787-08:00Stumbled on this completely by accident and am ver...Stumbled on this completely by accident and am very curious. I've never listend to music on anything other than crap headphones or earbuds. If I were to build or purchase an O2, what headphones would you recommend to be able to really enjoy it? I'm thinking in the <= $130 category. If that is not enough $$ it would be nice to know that as well.<br /><br />Also, what is the expectedAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-22359372383999277982012-02-29T22:25:23.180-08:002012-02-29T22:25:23.180-08:00You could always use a powered USB hub.You could always use a powered USB hub.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-85694026041723795032012-02-29T21:08:40.299-08:002012-02-29T21:08:40.299-08:00I am currently sourcing parts to build an O2, and ...I am currently sourcing parts to build an O2, and one of the hardest items to find, and in my opinion the least elegant part of the O2 system is the AC wall transformer. The only one I can easily source with my countries plug (NZ/AU) has a bunch of adaptors for the output lead, which is rather fiddly as a solution.<br /><br />I was wondering if your plans for the ODA power supply include an Scoghttps://www.blogger.com/profile/07165109386490368574noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-79848291645226972972012-02-29T18:49:30.901-08:002012-02-29T18:49:30.901-08:00Just wanna say as someone who went from SR80i to 2...Just wanna say as someone who went from SR80i to 225i to Magnums and has heard many in-between including a few different magnums set ups (cocobolo, limba, aluminum) and the allesandro MS-PRO.. The best sound you can get, will bet out of a magnum, and if you do it right, you can build them for about the price of a 225i.. Just wanted to toss that out there :)<br /><br />The jump from sr60/80 to 225Chris Langleynoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-80759967370454362702012-02-29T18:15:53.282-08:002012-02-29T18:15:53.282-08:00"and his comments about recabling coming back..."and his comments about recabling coming back to the fore."<br /><br />Perhaps the Cable Mafia made him an offer he can't refuse.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-25867943640196068662012-02-29T16:07:29.502-08:002012-02-29T16:07:29.502-08:00Within reason, once the ODAC and ODA are hopefully...Within reason, once the ODAC and ODA are hopefully fully released and able to stand on their own, I'll happily contribute towards a hardware solution (if one is even required) if the software and user interface details get sorted out. It should be possible to run both from a single power supply to help further keep the cost down and keep it simple.NwAvGuyhttps://www.blogger.com/profile/00309644608738074125noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-12618286674769422492012-02-29T16:00:14.841-08:002012-02-29T16:00:14.841-08:00No worries, suggestions are always welcome even if...No worries, suggestions are always welcome even if I don't agree with some of them ;) With more PCB real estate to work with on the ODA some features are relatively easy and inexpensive to implement.NwAvGuyhttps://www.blogger.com/profile/00309644608738074125noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-86204128461659264472012-02-29T15:58:21.685-08:002012-02-29T15:58:21.685-08:00I'm glad you like your O2 and JDS met your exp...I'm glad you like your O2 and JDS met your expectations. I've said many times the low-end Grados are something of a bargain especially if your anatomy finds the fit comfortable for long term listening. I've only heard a handful of Grados up to around the price of the HD650 and, in my opinion, the low-end SR60/80/etc are the best deal. But headphones are highly subjective.NwAvGuyhttps://www.blogger.com/profile/00309644608738074125noreply@blogger.comtag:blogger.com,1999:blog-6890046273025265768.post-13597558867622834652012-02-29T14:52:43.327-08:002012-02-29T14:52:43.327-08:00Great to see that I'm not the only one who tho...Great to see that I'm not the only one who thought that these two devices belong together. It would be great to see the Raspberry Pi and the ODA/ODAC combined in a single enclosure (though I imagine that the ODA/ODAC may need some kind of shielding from the Pi ?). <br /><br />Given the nature of the OS, there is certainly some interesting scope for a one box audiophile music server; an open Matt Shawhttps://www.blogger.com/profile/04899912265379318114noreply@blogger.com