View Full Version : Headphone Systems

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  1. Headphone Amps DIY for beginners
  2. some question about headphone amp (possibly the o2)
  3. Unknown Stax Headphones for SRD-7
  4. Moskido Hybrid headphone amplifier! Help needed
  5. Lowest capacitance hum-rejecting 4-wire headphone cable configuration
  6. Best amp possible for the hd-650
  7. Looking for a Headphone Amplifier
  8. Shure Earphones SE846
  9. Headphone equalization hardware and software
  11. pcb layout for grado ra1 ?
  12. grado ra1 clone
  13. Szekeres vs. PRR-SOL amplifier
  14. Optimal grounding
  15. 4 channel stereo mixer
  16. New PC setup.
  17. Class A Heaphone Amp
  18. DIY Headphone Tap + Passive Mixer
  19. Beats by Dr Dre headphones or alternative models/brands?
  20. In line sound limiter for headphones
  21. Adjustable Ear phone volume limiter
  22. MOSFET follower to my phone
  23. Crazy CMOY board
  24. starving student vs jonokuchi or hybrid vs tubes for hd600 and sr80i ?
  25. Tube/SS OTL single tube recommendations
  26. Pseudo Bravo headphone amplifier
  28. Single valve amp
  29. My desktop Objective2 amp
  30. O2 loud turn on transient fix help...
  31. Help wanted to find an old schematic
  32. Dual TPA6120A2 headphone design to eliminate crosstalk
  33. Need an AMP recommendation, and have a couple questions.
  34. Pot value in cmoy
  36. OPA827 + Diamond Buffer
  37. newbie qustion
  38. Advice on USB Soundcard / USB DAC + Amplifier
  39. 6n2 + fu32 vacuum tube tube headphone amplifier
  40. Headphone amp recommendation required?
  41. Tube Headphone amplifier suggestions 2x(1:40) transformers
  42. Different grounding, different sound quality or what can be the problem?
  43. Radio Shack Digital to Analog Converter
  44. 2SC1815 alternative for Mini Zen
  45. Two-Way Headset Wiring
  46. whats worng with this circut
  47. Phono amp top slot board for O2 amplfier in B3 case
  48. Szekeres VE protection diodes?
  49. Headphone Amp Feels 'Electrified'
  50. Design Issue: Cascaded passive filer stages
  51. Headphone amp between source & amplifier - how to passthrough?
  52. Open Source Headphone Amplifier
  53. OPA2132/4 for headphones
  54. O2 LiPo Daughterboard
  55. Class AB with op-amp input, audible noise
  56. PCB check for a simple amp
  57. Home meade design AMP prob's
  58. Noise - how much is too much?
  59. Massively parallel LME49990 headamp
  60. Building the O2 - A novices build experience
  61. A Through-hole "Wire" Amp
  62. Adding a headphone output to CD PLAYER?
  63. Rod Elliot 113 - Headphone amp TOO MUCH GAIN
  64. Dual O2-Inspired, SMD Headphone Amp
  65. Low impedance phones, Please suggest amp design?
  66. Huge change in audio quality simply by changing the pads on headphones?
  67. what next, help please
  68. DIY isodynamic headphones?
  69. DIY replace jack plug: strange colors
  70. Canjam 2013 ?
  71. Can you disable DAC on O2 ODAC?
  72. Can i connect my sony pulse wireless heaset to a TV ?
  73. Audio controlled voltage mod.
  74. AKG K518
  75. Composite amplifier in class A
  76. A great Fostex T50RP amp?
  77. helmet speakers
  78. Ambisonics, and listening to binaural via speakers
  79. Cheap but linear headamp
  80. Thin Durable Flexible Wire to Fix Headphones
  81. If headphones are out-of-phase, can you hear it?
  82. Oatley K272 DC power options.
  83. A curious Inquiry involving internal headphone amp/powering multiple earbuds?
  84. recommend me a valve headphone amp - Beyer T1 & AKG Q701 etc
  85. HP amp out impedance vs. HP impedance
  86. O2 help with bass boost and 1/4 jack mods
  87. Anyone ever used LM4780 for headphones?
  88. Stax Type 1 headphone, anyone know what these are?
  89. DIY balanced headphone amp?
  90. Simple headphone amp from spare parts
  91. SENNHEISER HD800 Source Impedance
  92. TDA1308 - changing gain resistors
  93. Headphone Amp Selection?
  94. Classic v1 headphone amplifier
  95. RFI problems on diy headphone amp.
  96. power flickering on tube cmoy amp
  97. question about a circuit
  98. hello all is a dac worth buying
  99. Passive bell shaped EQ for headphones
  101. HD650 can I fix this?
  102. Headphones Amplifier HIFI
  103. An "O3" - 35% smaller SMD RS O2 headphone amp version
  104. need help with headphones
  105. Moe'stevens O2
  106. Need help - using J A Burgess 45 SE amp for headphones
  107. Akai EIE Pro or Lexicon I-O|22 for AKGQ 701 [Specs inside]
  108. Power switch driver board(Momentary switch) + output relay board(delayed ON/fast OFF)
  109. OpAmps to drive HD650 from AK4399 Vout DAC
  110. Where to place current limit output resistor?
  111. Headphone amp noise. Help!
  112. USB DAC & headphone Amp with 3D Printed Enclosure
  113. DIY amp/DAC with better measurements than O2/ODAC?
  114. Battery powered 4W amp
  115. stuffing cotton balls in headphones?
  116. Measuring headphone FR?
  117. LM1875 based amp by Sijose
  118. A version of an O2 Desktop Amp (ODA)
  119. ESP P113 voltage gain of 1, will it work?
  120. The No Headphone Amp!
  121. Help Needed - Push Pull Transformer replacement
  122. Improving Bass Response On A Popular Hybrid Design
  123. Koss Esp-9 to ESP-9b Conversion... Help needed with grounding scheme
  124. High power headphone amp
  125. New Modular Headphone Amplifier
  126. full range planar headphones using neodynium magnets
  127. JLH Chiarra or Hifisonix Class A buffer?
  128. Sennhesier HD424
  129. 2-channel regular ground, dual mono or "balanced"/bridged?
  130. Jack Plug Wiring Help
  131. New Portable Amplifier Project started
  132. Pimeta V2 or O2?
  133. JLH Class A headphone amp from ETI not WW
  134. Left/Right Channel balancer
  135. Choosing a DC storage/rail cap for cmoy like amp
  136. Feedback resistor size - opamps
  137. Can I add a Potentiometer to these Headphones?
  138. Headphone distribution schematics
  139. Stax upgrade recomendations please.
  140. tube amp designs for low impedance headphones?
  141. headphone buffer/output for usb/dac
  142. Personal EQ & AMP for Hearing loss
  143. Grado RS1 headphones
  144. MOSFET Headphone Amplifier
  145. Lehmann clones
  146. which amplifier kit on ebay?
  147. Koss HV/1LC - specifications
  148. Headphone maximum power
  149. Output device for SE Hybrid Headphone Amp
  150. Output impedance as compensation?
  151. New Headphone Amp kit supplier in OZ
  152. suggestion for a 200$ headamp
  153. Replace Blackbox m10 3-prong jack
  154. Sony MDR-V6 changed?
  155. New portable amplifier
  156. New portable amplifier
  157. Stax SRM-212 repair?
  158. Audiophile Gear vs. ODAC/O2 (DAC’s and Amp’s)
  159. Sennheiser HD650 vs AKG Q701 QJ
  160. Split-supply portable headphone amp / DAC
  161. A47 / Crystal CMoy
  162. Electrostatic Headphones
  163. akg k140 earpads
  164. Which design is better for portable linear amplification?
  165. Midgård, compact, low distortion, high quality, Class A Lateral FET headamp
  166. Copper for Headphone Amp Chassis
  167. The DAO SE all-FET Class-A ZGF Headphone Amplifier
  168. What is this?!
  169. Background noise - tube amp
  170. Am the only one who's not deaf....?
  171. Grado GS1000 died
  172. lme49600 buffering the output of a generic soundcard
  173. LMH6643 amplifier
  174. Balanced input headphone amp
  175. Rigs test
  176. Kevin Gilmore KGSSHV boards
  177. Universal Headphone Amp - fits different headphones
  178. Headphone distribution block (passive)
  179. Calculating audio transformer losses?
  180. O2 headphone amp with 4x 8.4V cells
  181. how to mix sound from notebook and external sound card and get headphones output
  182. Koss HV/1LC foam Ear Pads
  183. Any DIY/Upgrade Components Ideas for Bravo Audio V2 12AU7 HeadAmp?
  184. Class A mosfet headphone amplifier. How does it look?
  185. Headphone Connections
  186. Headphones
  187. my new MING DA MC300-EAR headphone. Would like your suggestions.
  188. Best Sounding AMP for IMOD ( Modded ipod ) LOD
  189. Any point in adding a audio transformer for more power?
  190. Convert Low V Aikido line stage to headphone use?
  191. Balder, OPA2134+BUF634 Headphone Amplifier
  192. A good Headphone Amp for AKG K240DF anybody? It's 88dB and 600ohm, Thank you.
  193. Converting an Amp to Balanced XLR
  194. Calculating output impedance of Morgan-Jones headphone amp?
  195. norrisr
  196. modulation-like distortion of music at low volumes
  197. My E5 Class A hifi headphone amp
  198. Midgard, a low distortion Lateral FET output Headphone Amplifier
  199. can someone look this over?
  200. STAX Earspeaker part
  201. noise cancelation
  202. Best headamp for Hifiman planars?
  203. Headphone Passthrough Techniques
  204. I need Amplifier.
  205. Tone Stack with 2 knobs and switches
  206. Another 6922/6AS7 OTL Project
  207. Can anyone help me, repairing my DACPort
  208. Upgrading ICs in headphone amps
  209. Creating headphone jack from speaker out
  210. resistors in cmoy
  211. Electret Mic -> Headphones
  212. akg 240M ear pads
  213. "Balanced" vs single ended headphone drive
  214. Source for these Aluminum headphone cases/chassis?
  215. How do I Improve bass handling in a headphone amp?
  216. Little help please
  217. Objective2 as preamp (Help Needed)
  218. Best Earbud (not earplug) headphones to buy?
  219. help with caps and resisters
  220. A small, low-voltage, battery operated amplifier
  221. O2 Headphone amp gerber files problem
  222. Audez'e LCD-2 - help needed for a DIY cable build
  223. My Objective 2 having weird issues
  224. Beyerdynamic A1 kit
  225. M-stage Op amp replacement (for the better)
  226. First amp build; need help choosing and understanding amps
  227. Want to build Unusual high powered battery powered headphone amp (and equalizer)
  228. Single Stator Electrostatic Headphone - issues?
  229. Just made o2 amps, now what? :)
  230. Pioneer SE-50 worth saving?
  231. Measuring and Correction of Frequency Response for Head-Phones
  232. MiniDSP for headphone EQ & crosstalk?
  233. Impedance balancing of headphones + pot
  234. TPA6120A2 with balanced crossfeed?
  235. NOOB DIY need some help.
  236. Building the O2 Headphone Amp
  237. Diamond buffer headphone amp- can I parallel outputs?
  238. B-Board Boxer Prototype Build Thread
  239. headphone amps vs headphone inputs?
  240. Amp between Xonar D1 and Audio Technica ATH-M50
  241. Quick CMOY Question
  242. Bias and stability
  243. Help with new DIY amp decision (5th Gen iPod, LOD, and 250ohm DT770 Pro)
  244. Wow daughter asks dad for help
  245. How many different versions of "The Wire" are there?
  246. Headset goes to surgery :)
  247. What is a portable headphone amplifier?
  248. A bit of DIY advice required
  249. $6 headphone amplifier from ebay
  250. Headphone cable wiring

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