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Adjusting bias on Stax tube amplifiers

This is is an instruction on how to adjust bias on Stax SRM-006t/SRM-006tII/SRM-006tA/SRM-007t/SRM-007tII amplifiers and more   Some threads http://www.head-fi.org/t/48655/tuberolling-srm-007t http://www.head-fi.org/t/682332/using-nos-tubes-with-stax-tube-headphone-amps http://www.head-fi.org/t/361361/replacement-valves-tubes-for-stax-srm-006tii http://www.head-fi.org/t/415385/tube-change-biasing-a-stax-006t-ii     Quote: Changing Tubes in a STAX Tube Headphone Amplifier Originally posted by Colorado Tom  source click here The following description is... read more

Ibasso DX50 FAQ

The Ibasso DX50 is a $239 baby brother to the $830 DX100. Smaller, less powerful, with less onboard storage (8gb vs. 64gb) and using a Wolfson WM8740 24Bit DAC Chip opposed to the ESS Sabre 9018 desktop-class DAC chip in the DX100. However, with a nice onboard amp and a crystal clear analog lineout, the DX50 is quite a bargain and flying off the shelves. Lots of owners means lots of questions, answers and useful tips. This FAQ is created as an attempt to answer some of the most common questions without having to dig through (at the time of this writing) 338 pages with... read more

Hisound Firmware and Directions

Hello guys Jack from Hisound just provided me with the updated Studio V and Rocoo P/BA firmwares as well as directions. I decided to make a faq page as it will give others the ability to add updated firmwares and such regarding Hisound products in a centralized area.   Update: Guys I'm being told now that there are some compatibility issues with larger files types (FLAC and I'm not sure with WAV) as well as the files not showing up in alphabetical order. So just letting you know. I'm also hearing that you can only load this firmware via Windows XP? I'm not sure... read more

colorfly C4 pro Player Media Format Support List

Hello, A lot of C4 lovers ask me about what format C4 support. Now all formats and their specifications are listed below. 1 WAV Format 1)PCM / PCM_ FLOAT Sampling rate: 32Khz-192Khz BitsPerSampe: 8/16/18/20/24 Bit 2)IMA_ADPCM / MS_ADPCM Sampling Rate: 32Khz-48Khz BitsPerSampe: 8/16Bit 2 APE Format 1) Sampling Rate: 32Khz-48Khz 2) BitsPerSample: 16 Bit 3 FLAC Format 1) Compress: Q1- Q10 2) Sampling Rate: 32Khz-192Khz 3) BitsPerSample: 16 Bit 4 MP3 Format 1) MPEG1/2/2.5 Audio Layer1/2/3 2) Sampling Rate: 32Khz-48Khz 3) BitRate:... read more

The ClieOS's List

This is my list of IEM ranking, originated from my Concise Multi-IEM Comparison that has been discontinued and now stands as a simplified independent list that will continued to receive update. Scroll up and down for ranking, left and right for sound signature. Note: This is only a personal assessment and far from be-all-ends-all of a guide. It should be seen as as starting point of your own research, rather than an easy workaround that could cost you more down the road. The fact is, there is no simple way to fully evaluate an IEM and certainly no universal consensus... read more

Syncing music and making playlists work with the Astell & Kern AK100 or AK120 and a Mac.

I figured out how to create playlists on my Mac and put them on the original AK100. It's a bit of a PITA but it works.   October 30, 2015 update: New method NOTE: This has issues with what happens when files are dragged into the terminal and needs a bit of tweaking to work properly.   1. Export playlists of music that you want on your AK100 or AK120 from iTunes. Select a playlist and go to File > Library > Export Playlist... for each file and put them in a single folder (directory) with no other files. This is important.  2. Create a folder (directory) where you... read more

Mac OS X Music Players - alternatives to iTunes

The original thread discussing this article is here.   There seems to have been an explosion lately in "audiophile" music players for Mac OS X lately. Though iTunes wiped out the need for competition when it was introduced, it has become a huge, multimedia and store program, leaving many people wanting something simpler.  For a while, that was Play and one or two others, but then Amarra came on the scene. Offering higher-quality playback, it has become famous among audiophiles, alongside its biggest competitor, Pure Vinyl (and now Pure Music).  As those two have fought... read more

STAX SR-007 (Omega II) ... A Review After 4 Years Of Ownership - darth nut's epic review.

[This review was originally posted in 2003 on Head-Fi. Darth nut is a psychoacoustician and his review is considered to be the most epic headphone review ever written. While the detail he goes into psycho acoustics and "headstage" are too overwhelming for most people I believe his write-up would deserve a place in Head-Fi's Hall of Fame, if we had one. I've re-formatted it so it fits in the forum better. -- Currawong.]     STAX SR-007 (OMEGA II) … A REVIEW AFTER 4 YEARS OF OWNERSHIP  A madman is one who ‘hears voices in his head’.  Headphone-user: ‘you... read more

Schiit Mjolnir - Reviews and Impressions Collected

  There are presently two reviews of the Schiit Mjolnir available. I am sure more will follow, but until then, this wiki may serve as a resource for people trying to get an idea about this product Reviews:1) Schiit Mjolnir Review by Purrin  HERE [[SPOILER]]   2) Schiit Mjolnir vs Bryston BHA-1 by Maxvla HERE [[SPOILER]]  3) SCHIIT MJOLNIR REVIEW by The Headphoneer HERE   Below are some intitial impressions written by Mjolnir-users from the Schiit Mjolnir-thread Solude on Mjolnirpost #967 of 17638/27/12 1)... read more

AKG K1000 - A collection of information and links

This is a compendium of K1000 knowledge that was sitting unused in the catacombs of head-fi.  It was originally posted by krmathis and I thought I'd ressurect it here for everyone's benefit.   Original thread here.  Main posts follow:   Here you find information, links to reviews, impressions, recommendations, and more for the AKG K1000 headphone. I have been missing a central place for all this, so I decided to create one. Hope you find it useful.  Thanks to 'Richter Di' for his 'Everything about the K-1000 (K1000)' thread, which got me thinking about... read more

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