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  1. Headphone amp noise. Help!
  2. USB DAC & headphone Amp with 3D Printed Enclosure
  3. DIY amp/DAC with better measurements than O2/ODAC?
  4. Battery powered 4W amp
  5. stuffing cotton balls in headphones?
  6. Measuring headphone FR?
  7. LM1875 based amp by Sijose
  8. A version of an O2 Desktop Amp (ODA)
  9. ESP P113 voltage gain of 1, will it work?
  10. The No Headphone Amp!
  11. Help Needed - Push Pull Transformer replacement
  12. Improving Bass Response On A Popular Hybrid Design
  13. Koss Esp-9 to ESP-9b Conversion... Help needed with grounding scheme
  14. High power headphone amp
  15. New Modular Headphone Amplifier
  16. full range planar headphones using neodynium magnets
  17. JLH Chiarra or Hifisonix Class A buffer?
  18. Sennhesier HD424
  19. 2-channel regular ground, dual mono or "balanced"/bridged?
  20. Jack Plug Wiring Help
  21. New Portable Amplifier Project started
  22. Pimeta V2 or O2?
  23. JLH Class A headphone amp from ETI not WW
  24. Left/Right Channel balancer
  25. Choosing a DC storage/rail cap for cmoy like amp
  26. Feedback resistor size - opamps
  27. Can I add a Potentiometer to these Headphones?
  28. Headphone distribution schematics
  29. Stax upgrade recomendations please.
  30. tube amp designs for low impedance headphones?
  31. headphone buffer/output for usb/dac
  32. Personal EQ & AMP for Hearing loss
  33. Grado RS1 headphones
  34. MOSFET Headphone Amplifier
  35. Lehmann clones
  36. which amplifier kit on ebay?
  37. Koss HV/1LC - specifications
  38. Headphone maximum power
  39. Output device for SE Hybrid Headphone Amp
  40. Output impedance as compensation?
  41. New Headphone Amp kit supplier in OZ
  42. suggestion for a 200$ headamp
  43. Replace Blackbox m10 3-prong jack
  44. Sony MDR-V6 changed?
  45. New portable amplifier
  46. New portable amplifier
  47. Stax SRM-212 repair?
  48. Audiophile Gear vs. ODAC/O2 (DAC’s and Amp’s)
  49. Sennheiser HD650 vs AKG Q701 QJ
  50. Split-supply portable headphone amp / DAC
  51. A47 / Crystal CMoy
  52. Electrostatic Headphones
  53. akg k140 earpads
  54. Which design is better for portable linear amplification?
  55. Midgård, compact, low distortion, high quality, Class A Lateral FET headamp
  56. Copper for Headphone Amp Chassis
  57. The DAO SE all-FET Class-A ZGF Headphone Amplifier
  58. What is this?!
  59. Background noise - tube amp
  60. Am the only one who's not deaf....?
  61. Grado GS1000 died
  62. lme49600 buffering the output of a generic soundcard
  63. LMH6643 amplifier
  64. Balanced input headphone amp
  65. Rigs test
  66. Kevin Gilmore KGSSHV boards
  67. Universal Headphone Amp - fits different headphones
  68. Headphone distribution block (passive)
  69. Calculating audio transformer losses?
  70. O2 headphone amp with 4x 8.4V cells
  71. how to mix sound from notebook and external sound card and get headphones output
  72. Koss HV/1LC foam Ear Pads
  73. Any DIY/Upgrade Components Ideas for Bravo Audio V2 12AU7 HeadAmp?
  74. Class A mosfet headphone amplifier. How does it look?
  75. Headphone Connections
  76. Headphones
  77. my new MING DA MC300-EAR headphone. Would like your suggestions.
  78. Best Sounding AMP for IMOD ( Modded ipod ) LOD
  79. Any point in adding a audio transformer for more power?
  80. Convert Low V Aikido line stage to headphone use?
  81. Balder, OPA2134+BUF634 Headphone Amplifier
  82. A good Headphone Amp for AKG K240DF anybody? It's 88dB and 600ohm, Thank you.
  83. Converting an Amp to Balanced XLR
  84. Calculating output impedance of Morgan-Jones headphone amp?
  85. norrisr
  86. modulation-like distortion of music at low volumes
  87. My E5 Class A hifi headphone amp
  88. Midgard, a low distortion Lateral FET output Headphone Amplifier
  89. can someone look this over?
  90. STAX Earspeaker part
  91. noise cancelation
  92. Best headamp for Hifiman planars?
  93. Headphone Passthrough Techniques
  94. I need Amplifier.
  95. Tone Stack with 2 knobs and switches
  96. Another 6922/6AS7 OTL Project
  97. Can anyone help me, repairing my DACPort
  98. Upgrading ICs in headphone amps
  99. Creating headphone jack from speaker out
  100. resistors in cmoy
  101. Electret Mic -> Headphones
  102. akg 240M ear pads
  103. "Balanced" vs single ended headphone drive
  104. Source for these Aluminum headphone cases/chassis?
  105. How do I Improve bass handling in a headphone amp?
  106. Little help please
  107. Objective2 as preamp (Help Needed)
  108. Best Earbud (not earplug) headphones to buy?
  109. help with caps and resisters
  110. A small, low-voltage, battery operated amplifier
  111. O2 Headphone amp gerber files problem
  112. Audez'e LCD-2 - help needed for a DIY cable build
  113. My Objective 2 having weird issues
  114. Beyerdynamic A1 kit
  115. M-stage Op amp replacement (for the better)
  116. First amp build; need help choosing and understanding amps
  117. Want to build Unusual high powered battery powered headphone amp (and equalizer)
  118. Single Stator Electrostatic Headphone - issues?
  119. Just made o2 amps, now what? :)
  120. Pioneer SE-50 worth saving?
  121. Measuring and Correction of Frequency Response for Head-Phones
  122. MiniDSP for headphone EQ & crosstalk?
  123. Impedance balancing of headphones + pot
  124. TPA6120A2 with balanced crossfeed?
  125. NOOB DIY need some help.
  126. Building the O2 Headphone Amp
  127. Diamond buffer headphone amp- can I parallel outputs?
  128. B-Board Boxer Prototype Build Thread
  129. headphone amps vs headphone inputs?
  130. Amp between Xonar D1 and Audio Technica ATH-M50
  131. Quick CMOY Question
  132. Bias and stability
  133. Help with new DIY amp decision (5th Gen iPod, LOD, and 250ohm DT770 Pro)
  134. Wow daughter asks dad for help
  135. How many different versions of "The Wire" are there?
  136. Headset goes to surgery :)
  137. What is a portable headphone amplifier?
  138. A bit of DIY advice required
  139. $6 headphone amplifier from ebay
  140. Headphone cable wiring
  141. OPA AMP
  142. Single ended DAC + TPA6120, where to put the pot?
  143. Mjølner, another all discrete Lateral FET Headphone Amplifier
  144. Newb Going Down CMOY Blvd Hits Big Roadblock
  145. Matrix M-Stage Amp blew out gasket!
  146. CMoy Ahoy! Help!
  147. a portable headphone amp with bass and treble tone controls
  148. First build, CMOY
  149. Simplistic Class A MOSFET Headphone w Feedback: have I got my values right?
  150. Diy new headphone band.
  151. HA-PRO2
  152. Jecklin Float Model One
  153. β18 Stereo Headphone Amplifier
  154. High end Ortho Amp on a basic Russian Tube DHT SET DIY design
  155. boraomega´s STACATO HeadPhoneAmplifier
  156. Beware of Fake Beats Mixr Headphone
  157. DIY headpone amp with ~300mA output
  158. JDS Labs Charity Raffle - Prizes include 0DAC, 02, c412 and cMoy BB
  159. Balanced OTL headphone amp
  160. ODAC + PGA2320 + The Wire = The ultimate budget headphone system
  161. Modified CMOY amp sounds to low with certain head phones...
  162. Which to buy
  163. I'm designing a TPA6120 based headphone amp, is there anyone can give me some advice
  164. Cmoy BB linear PSU enclosure
  165. Use +12V PC molex connector to power headphone amp?
  166. DIY 7.1 Sorround Headphones ala the Razer Tiamat
  167. Split-supply 3.7v to +/-~7v IC for pocket amp
  168. Any good DIY amps for low impedence/high sensitivity headphones?
  169. Tube headphone amp kit up to 300USD
  170. Show my best headphone to you? Believe or not??
  171. shooting earmuff headphones
  172. my gilmore class A amp
  173. O2 enclosures. Something less clunky?
  174. TPA6120 power supply?
  175. KonoAudio Retro Headphone Mod
  176. Marsh headphone amp from Linear Audio
  177. Distributor/buffer for 4 headphone amps ???
  178. THE PIPE
  179. Cayin HA-1A Help
  180. First Amp, Class A
  181. Little BTL Amplifier - ZIPPO BTL
  182. Op. Amp + MOSFET Follower
  183. Troubles with E3 Headphone Amp kit
  184. Fostex TH series - thoughts?
  185. What would happen with capacitors on headphones?
  186. Oriel Z1, my headphone amp, or...
  187. What is the opinion here of the Fostex T50RP + damping
  188. Decent sounding mp3 player that plays FLAC and WMAL?
  189. USB DAC/Amp Suggestions.
  190. Looking for a new project. Anything similar to the Schiit Lyr?
  191. USB powered DAC + Amp Recommendations
  192. Starting a headphone amp project, need general help.
  193. Volume regulation on PA6120
  194. X Cans V2 as buffer amp
  195. Spud amps
  196. Sennheiser beyerdynamic driver upgrade
  197. EAMP08 RC headphone amplifier. TPA6120 based.
  198. subjective headphone EQ for best sound
  199. Headphone amp 12AU7 art PCB Design
  200. Kind of F5 for my head
  201. Using HA-5002 instead of LME49600 on THE WIRE
  202. Sennheiser HD650 stock cable
  203. how to store headphone cables?
  204. Limiter circuit for Headphone amplifier wanted
  205. O2 amp. Need enclosure suggestions
  206. My first Headphone amp need expert advice
  207. Suggestions, Opinions needed
  208. Adding Volume Control
  209. Thor, an all discrete Lateral FET Headphone Amplifier.
  210. Balanced Drive sounds better? How?!
  211. Surface Mount Headphone Amp
  212. Jvc harx700 alternative drivers?
  213. how to select portable headphone amp kit/diy?
  214. Help with Gamma y1 and y2
  215. Discrete, Class A Lateral MosFET Headphone amp (not another follower buffer!)
  216. Designing a "hearing assistant". Questions
  217. headphone pcb
  218. Objective 2 Amp 1/4" Jack Output
  219. Tubes: parafeed vs singlefeed
  220. LM4562 based headphone amp
  221. My funny looking headphone amp
  222. THE WIRE conglomerate build thread, impressions and gallery
  223. "The Wire" Remaining Headphone Amp Boards and Kits
  224. J-Mo Mk II headphone amplifier
  225. Hybird Headphone Amp: Help with Valves!
  226. My Head Phone Amp Project
  227. Is Objective 2 a step up from cMoyBB
  228. Objective 2 Amp Popping Noise
  229. STAX Anyone?
  230. Help with amplifier circuit
  231. DIY HQ Headphone question
  232. A headphone Transconductance Amp for a change!
  233. Ultra portable IPOD headphone amp..
  234. Upgrade Pro-Ject Head Box II headphone amp
  235. 16 or 33ohm for dummy load?
  236. (another) Discrete BJT buffer
  237. How to make an Headphone amp on breadboard...?
  238. Bass Boost for Objective 2 Amp?
  239. Remote Mounting stuff on Objective 2
  240. Good capacitors for opamp power rails?
  241. Two Objective 2's Work on Batteries, not AC Power
  242. Headphone jack in front panel
  243. Reference Headphones
  244. My Objective 2 Will Not Turn On
  245. PGA2310 Headamp
  246. CMOY newb
  247. Preamp and Headamp 2 in 1?
  248. In GENERAL, is it a good idea to use a LM4562 as a current->voltage opamp?
  249. DAC xlr output to headphones?
  250. Does anyone make their own headphones?

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