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  1. Oatley K272 DC power options.
  2. A curious Inquiry involving internal headphone amp/powering multiple earbuds?
  3. recommend me a valve headphone amp - Beyer T1 & AKG Q701 etc
  4. HP amp out impedance vs. HP impedance
  5. O2 help with bass boost and 1/4 jack mods
  6. Anyone ever used LM4780 for headphones?
  7. Stax Type 1 headphone, anyone know what these are?
  8. DIY balanced headphone amp?
  9. Simple headphone amp from spare parts
  10. SENNHEISER HD800 Source Impedance
  11. TDA1308 - changing gain resistors
  12. Headphone Amp Selection?
  13. Classic v1 headphone amplifier
  14. RFI problems on diy headphone amp.
  15. power flickering on tube cmoy amp
  16. question about a circuit
  17. hello all is a dac worth buying
  18. Passive bell shaped EQ for headphones
  19. GLASS-SAND CLASS A TUBE MOSFET HYBRID HEADPHONE AMP
  20. HD650 can I fix this?
  21. Headphones Amplifier HIFI
  22. An "O3" - 35% smaller SMD RS O2 headphone amp version
  23. need help with headphones
  24. Moe'stevens O2
  25. Need help - using J A Burgess 45 SE amp for headphones
  26. Akai EIE Pro or Lexicon I-O|22 for AKGQ 701 [Specs inside]
  27. Power switch driver board(Momentary switch) + output relay board(delayed ON/fast OFF)
  28. OpAmps to drive HD650 from AK4399 Vout DAC
  29. Where to place current limit output resistor?
  30. Headphone amp noise. Help!
  31. USB DAC & headphone Amp with 3D Printed Enclosure
  32. DIY amp/DAC with better measurements than O2/ODAC?
  33. Battery powered 4W amp
  34. stuffing cotton balls in headphones?
  35. Measuring headphone FR?
  36. LM1875 based amp by Sijose
  37. A version of an O2 Desktop Amp (ODA)
  38. ESP P113 voltage gain of 1, will it work?
  39. The No Headphone Amp!
  40. Help Needed - Push Pull Transformer replacement
  41. Improving Bass Response On A Popular Hybrid Design
  42. Koss Esp-9 to ESP-9b Conversion... Help needed with grounding scheme
  43. High power headphone amp
  44. New Modular Headphone Amplifier
  45. full range planar headphones using neodynium magnets
  46. JLH Chiarra or Hifisonix Class A buffer?
  47. Sennhesier HD424
  48. 2-channel regular ground, dual mono or "balanced"/bridged?
  49. Jack Plug Wiring Help
  50. New Portable Amplifier Project started
  51. Pimeta V2 or O2?
  52. JLH Class A headphone amp from ETI not WW
  53. Left/Right Channel balancer
  54. Choosing a DC storage/rail cap for cmoy like amp
  55. Feedback resistor size - opamps
  56. Can I add a Potentiometer to these Headphones?
  57. Headphone distribution schematics
  58. Stax upgrade recomendations please.
  59. tube amp designs for low impedance headphones?
  60. headphone buffer/output for usb/dac
  61. Personal EQ & AMP for Hearing loss
  62. Grado RS1 headphones
  63. MOSFET Headphone Amplifier
  64. Lehmann clones
  65. which amplifier kit on ebay?
  66. Koss HV/1LC - specifications
  67. Headphone maximum power
  68. Output device for SE Hybrid Headphone Amp
  69. Output impedance as compensation?
  70. New Headphone Amp kit supplier in OZ
  71. suggestion for a 200$ headamp
  72. Replace Blackbox m10 3-prong jack
  73. Sony MDR-V6 changed?
  74. New portable amplifier
  75. New portable amplifier
  76. Stax SRM-212 repair?
  77. Audiophile Gear vs. ODAC/O2 (DAC’s and Amp’s)
  78. Sennheiser HD650 vs AKG Q701 QJ
  79. Split-supply portable headphone amp / DAC
  80. A47 / Crystal CMoy
  81. Electrostatic Headphones
  82. akg k140 earpads
  83. Which design is better for portable linear amplification?
  84. Midgård, compact, low distortion, high quality, Class A Lateral FET headamp
  85. Copper for Headphone Amp Chassis
  86. The DAO SE all-FET Class-A ZGF Headphone Amplifier
  87. What is this?!
  88. Background noise - tube amp
  89. Am the only one who's not deaf....?
  90. Grado GS1000 died
  91. lme49600 buffering the output of a generic soundcard
  92. LMH6643 amplifier
  93. Balanced input headphone amp
  94. Rigs test
  95. Kevin Gilmore KGSSHV boards
  96. Universal Headphone Amp - fits different headphones
  97. Headphone distribution block (passive)
  98. Calculating audio transformer losses?
  99. O2 headphone amp with 4x 8.4V cells
  100. how to mix sound from notebook and external sound card and get headphones output
  101. Koss HV/1LC foam Ear Pads
  102. Any DIY/Upgrade Components Ideas for Bravo Audio V2 12AU7 HeadAmp?
  103. Class A mosfet headphone amplifier. How does it look?
  104. Headphone Connections
  105. Headphones
  106. my new MING DA MC300-EAR headphone. Would like your suggestions.
  107. Best Sounding AMP for IMOD ( Modded ipod ) LOD
  108. Any point in adding a audio transformer for more power?
  109. Convert Low V Aikido line stage to headphone use?
  110. Balder, OPA2134+BUF634 Headphone Amplifier
  111. A good Headphone Amp for AKG K240DF anybody? It's 88dB and 600ohm, Thank you.
  112. Converting an Amp to Balanced XLR
  113. Calculating output impedance of Morgan-Jones headphone amp?
  114. norrisr
  115. modulation-like distortion of music at low volumes
  116. My E5 Class A hifi headphone amp
  117. Midgard, a low distortion Lateral FET output Headphone Amplifier
  118. can someone look this over?
  119. STAX Earspeaker part
  120. noise cancelation
  121. Best headamp for Hifiman planars?
  122. Headphone Passthrough Techniques
  123. I need Amplifier.
  124. Tone Stack with 2 knobs and switches
  125. Another 6922/6AS7 OTL Project
  126. Can anyone help me, repairing my DACPort
  127. Upgrading ICs in headphone amps
  128. Creating headphone jack from speaker out
  129. resistors in cmoy
  130. Electret Mic -> Headphones
  131. akg 240M ear pads
  132. "Balanced" vs single ended headphone drive
  133. Source for these Aluminum headphone cases/chassis?
  134. How do I Improve bass handling in a headphone amp?
  135. Little help please
  136. Objective2 as preamp (Help Needed)
  137. Best Earbud (not earplug) headphones to buy?
  138. help with caps and resisters
  139. A small, low-voltage, battery operated amplifier
  140. O2 Headphone amp gerber files problem
  141. Audez'e LCD-2 - help needed for a DIY cable build
  142. My Objective 2 having weird issues
  143. Beyerdynamic A1 kit
  144. M-stage Op amp replacement (for the better)
  145. First amp build; need help choosing and understanding amps
  146. Want to build Unusual high powered battery powered headphone amp (and equalizer)
  147. Single Stator Electrostatic Headphone - issues?
  148. Just made o2 amps, now what? :)
  149. Pioneer SE-50 worth saving?
  150. Measuring and Correction of Frequency Response for Head-Phones
  151. MiniDSP for headphone EQ & crosstalk?
  152. Impedance balancing of headphones + pot
  153. TPA6120A2 with balanced crossfeed?
  154. NOOB DIY need some help.
  155. Building the O2 Headphone Amp
  156. Diamond buffer headphone amp- can I parallel outputs?
  157. B-Board Boxer Prototype Build Thread
  158. headphone amps vs headphone inputs?
  159. Amp between Xonar D1 and Audio Technica ATH-M50
  160. Quick CMOY Question
  161. Bias and stability
  162. Help with new DIY amp decision (5th Gen iPod, LOD, and 250ohm DT770 Pro)
  163. Wow daughter asks dad for help
  164. How many different versions of "The Wire" are there?
  165. Headset goes to surgery :)
  166. What is a portable headphone amplifier?
  167. A bit of DIY advice required
  168. $6 headphone amplifier from ebay
  169. Headphone cable wiring
  170. OPA AMP
  171. Single ended DAC + TPA6120, where to put the pot?
  172. Mjølner, another all discrete Lateral FET Headphone Amplifier
  173. Newb Going Down CMOY Blvd Hits Big Roadblock
  174. Matrix M-Stage Amp blew out gasket!
  175. CMoy Ahoy! Help!
  176. a portable headphone amp with bass and treble tone controls
  177. First build, CMOY
  178. Simplistic Class A MOSFET Headphone w Feedback: have I got my values right?
  179. Diy new headphone band.
  180. HA-PRO2
  181. Jecklin Float Model One
  182. β18 Stereo Headphone Amplifier
  183. High end Ortho Amp on a basic Russian Tube DHT SET DIY design
  184. boraomega´s STACATO HeadPhoneAmplifier
  185. Beware of Fake Beats Mixr Headphone
  186. DIY headpone amp with ~300mA output
  187. JDS Labs Charity Raffle - Prizes include 0DAC, 02, c412 and cMoy BB
  188. Balanced OTL headphone amp
  189. ODAC + PGA2320 + The Wire = The ultimate budget headphone system
  190. Modified CMOY amp sounds to low with certain head phones...
  191. Which to buy
  192. I'm designing a TPA6120 based headphone amp, is there anyone can give me some advice
  193. Cmoy BB linear PSU enclosure
  194. Use +12V PC molex connector to power headphone amp?
  195. DIY 7.1 Sorround Headphones ala the Razer Tiamat
  196. Split-supply 3.7v to +/-~7v IC for pocket amp
  197. Any good DIY amps for low impedence/high sensitivity headphones?
  198. Tube headphone amp kit up to 300USD
  199. Show my best headphone to you? Believe or not??
  200. shooting earmuff headphones
  201. my gilmore class A amp
  202. O2 enclosures. Something less clunky?
  203. TPA6120 power supply?
  204. KonoAudio Retro Headphone Mod
  205. Marsh headphone amp from Linear Audio
  206. Distributor/buffer for 4 headphone amps ???
  207. THE PIPE
  208. Cayin HA-1A Help
  209. First Amp, Class A
  210. Little BTL Amplifier - ZIPPO BTL
  211. Op. Amp + MOSFET Follower
  212. Troubles with E3 Headphone Amp kit
  213. Fostex TH series - thoughts?
  214. What would happen with capacitors on headphones?
  215. Oriel Z1, my headphone amp, or...
  216. What is the opinion here of the Fostex T50RP + damping
  217. Decent sounding mp3 player that plays FLAC and WMAL?
  218. USB DAC/Amp Suggestions.
  219. Looking for a new project. Anything similar to the Schiit Lyr?
  220. USB powered DAC + Amp Recommendations
  221. Starting a headphone amp project, need general help.
  222. Volume regulation on PA6120
  223. X Cans V2 as buffer amp
  224. Spud amps
  225. Sennheiser beyerdynamic driver upgrade
  226. EAMP08 RC headphone amplifier. TPA6120 based.
  227. subjective headphone EQ for best sound
  228. Headphone amp 12AU7 art PCB Design
  229. Kind of F5 for my head
  230. Using HA-5002 instead of LME49600 on THE WIRE
  231. Sennheiser HD650 stock cable
  232. how to store headphone cables?
  233. Limiter circuit for Headphone amplifier wanted
  234. O2 amp. Need enclosure suggestions
  235. My first Headphone amp need expert advice
  236. Suggestions, Opinions needed
  237. Adding Volume Control
  238. Thor, an all discrete Lateral FET Headphone Amplifier.
  239. Balanced Drive sounds better? How?!
  240. Surface Mount Headphone Amp
  241. Jvc harx700 alternative drivers?
  242. how to select portable headphone amp kit/diy?
  243. Help with Gamma y1 and y2
  244. Discrete, Class A Lateral MosFET Headphone amp (not another follower buffer!)
  245. Designing a "hearing assistant". Questions
  246. headphone pcb
  247. Objective 2 Amp 1/4" Jack Output
  248. Tubes: parafeed vs singlefeed
  249. LM4562 based headphone amp
  250. My funny looking headphone amp

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