View Full Version : Headphone Systems

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  1. Headphone equalization hardware and software
  3. pcb layout for grado ra1 ?
  4. grado ra1 clone
  5. Szekeres vs. PRR-SOL amplifier
  6. Optimal grounding
  7. 4 channel stereo mixer
  8. New PC setup.
  9. Class A Heaphone Amp
  10. DIY Headphone Tap + Passive Mixer
  11. Beats by Dr Dre headphones or alternative models/brands?
  12. In line sound limiter for headphones
  13. Adjustable Ear phone volume limiter
  14. MOSFET follower to my phone
  15. Crazy CMOY board
  16. starving student vs jonokuchi or hybrid vs tubes for hd600 and sr80i ?
  17. Tube/SS OTL single tube recommendations
  18. Pseudo Bravo headphone amplifier
  20. Single valve amp
  21. My desktop Objective2 amp
  22. O2 loud turn on transient fix help...
  23. Help wanted to find an old schematic
  24. Dual TPA6120A2 headphone design to eliminate crosstalk
  25. Need an AMP recommendation, and have a couple questions.
  26. Pot value in cmoy
  28. OPA827 + Diamond Buffer
  29. newbie qustion
  30. Advice on USB Soundcard / USB DAC + Amplifier
  31. 6n2 + fu32 vacuum tube tube headphone amplifier
  32. Headphone amp recommendation required?
  33. Tube Headphone amplifier suggestions 2x(1:40) transformers
  34. Different grounding, different sound quality or what can be the problem?
  35. Radio Shack Digital to Analog Converter
  36. 2SC1815 alternative for Mini Zen
  37. Two-Way Headset Wiring
  38. whats worng with this circut
  39. Phono amp top slot board for O2 amplfier in B3 case
  40. Szekeres VE protection diodes?
  41. Headphone Amp Feels 'Electrified'
  42. Design Issue: Cascaded passive filer stages
  43. Headphone amp between source & amplifier - how to passthrough?
  44. Open Source Headphone Amplifier
  45. OPA2132/4 for headphones
  46. O2 LiPo Daughterboard
  47. Class AB with op-amp input, audible noise
  48. PCB check for a simple amp
  49. Home meade design AMP prob's
  50. Noise - how much is too much?
  51. Massively parallel LME49990 headamp
  52. Building the O2 - A novices build experience
  53. A Through-hole "Wire" Amp
  54. Adding a headphone output to CD PLAYER?
  55. Rod Elliot 113 - Headphone amp TOO MUCH GAIN
  56. Dual O2-Inspired, SMD Headphone Amp
  57. Low impedance phones, Please suggest amp design?
  58. Huge change in audio quality simply by changing the pads on headphones?
  59. what next, help please
  60. DIY isodynamic headphones?
  61. DIY replace jack plug: strange colors
  62. Canjam 2013 ?
  63. Can you disable DAC on O2 ODAC?
  64. Can i connect my sony pulse wireless heaset to a TV ?
  65. Audio controlled voltage mod.
  66. AKG K518
  67. Composite amplifier in class A
  68. A great Fostex T50RP amp?
  69. helmet speakers
  70. Ambisonics, and listening to binaural via speakers
  71. Cheap but linear headamp
  72. Thin Durable Flexible Wire to Fix Headphones
  73. If headphones are out-of-phase, can you hear it?
  74. Oatley K272 DC power options.
  75. A curious Inquiry involving internal headphone amp/powering multiple earbuds?
  76. recommend me a valve headphone amp - Beyer T1 & AKG Q701 etc
  77. HP amp out impedance vs. HP impedance
  78. O2 help with bass boost and 1/4 jack mods
  79. Anyone ever used LM4780 for headphones?
  80. Stax Type 1 headphone, anyone know what these are?
  81. DIY balanced headphone amp?
  82. Simple headphone amp from spare parts
  83. SENNHEISER HD800 Source Impedance
  84. TDA1308 - changing gain resistors
  85. Headphone Amp Selection?
  86. Classic v1 headphone amplifier
  87. RFI problems on diy headphone amp.
  88. power flickering on tube cmoy amp
  89. question about a circuit
  90. hello all is a dac worth buying
  91. Passive bell shaped EQ for headphones
  93. HD650 can I fix this?
  94. Headphones Amplifier HIFI
  95. An "O3" - 35% smaller SMD RS O2 headphone amp version
  96. need help with headphones
  97. Moe'stevens O2
  98. Need help - using J A Burgess 45 SE amp for headphones
  99. Akai EIE Pro or Lexicon I-O|22 for AKGQ 701 [Specs inside]
  100. Power switch driver board(Momentary switch) + output relay board(delayed ON/fast OFF)
  101. OpAmps to drive HD650 from AK4399 Vout DAC
  102. Where to place current limit output resistor?
  103. Headphone amp noise. Help!
  104. USB DAC & headphone Amp with 3D Printed Enclosure
  105. DIY amp/DAC with better measurements than O2/ODAC?
  106. Battery powered 4W amp
  107. stuffing cotton balls in headphones?
  108. Measuring headphone FR?
  109. LM1875 based amp by Sijose
  110. A version of an O2 Desktop Amp (ODA)
  111. ESP P113 voltage gain of 1, will it work?
  112. The No Headphone Amp!
  113. Help Needed - Push Pull Transformer replacement
  114. Improving Bass Response On A Popular Hybrid Design
  115. Koss Esp-9 to ESP-9b Conversion... Help needed with grounding scheme
  116. High power headphone amp
  117. New Modular Headphone Amplifier
  118. full range planar headphones using neodynium magnets
  119. JLH Chiarra or Hifisonix Class A buffer?
  120. Sennhesier HD424
  121. 2-channel regular ground, dual mono or "balanced"/bridged?
  122. Jack Plug Wiring Help
  123. New Portable Amplifier Project started
  124. Pimeta V2 or O2?
  125. JLH Class A headphone amp from ETI not WW
  126. Left/Right Channel balancer
  127. Choosing a DC storage/rail cap for cmoy like amp
  128. Feedback resistor size - opamps
  129. Can I add a Potentiometer to these Headphones?
  130. Headphone distribution schematics
  131. Stax upgrade recomendations please.
  132. tube amp designs for low impedance headphones?
  133. headphone buffer/output for usb/dac
  134. Personal EQ & AMP for Hearing loss
  135. Grado RS1 headphones
  136. MOSFET Headphone Amplifier
  137. Lehmann clones
  138. which amplifier kit on ebay?
  139. Koss HV/1LC - specifications
  140. Headphone maximum power
  141. Output device for SE Hybrid Headphone Amp
  142. Output impedance as compensation?
  143. New Headphone Amp kit supplier in OZ
  144. suggestion for a 200$ headamp
  145. Replace Blackbox m10 3-prong jack
  146. Sony MDR-V6 changed?
  147. New portable amplifier
  148. New portable amplifier
  149. Stax SRM-212 repair?
  150. Audiophile Gear vs. ODAC/O2 (DAC’s and Amp’s)
  151. Sennheiser HD650 vs AKG Q701 QJ
  152. Split-supply portable headphone amp / DAC
  153. A47 / Crystal CMoy
  154. Electrostatic Headphones
  155. akg k140 earpads
  156. Which design is better for portable linear amplification?
  157. Midgård, compact, low distortion, high quality, Class A Lateral FET headamp
  158. Copper for Headphone Amp Chassis
  159. The DAO SE all-FET Class-A ZGF Headphone Amplifier
  160. What is this?!
  161. Background noise - tube amp
  162. Am the only one who's not deaf....?
  163. Grado GS1000 died
  164. lme49600 buffering the output of a generic soundcard
  165. LMH6643 amplifier
  166. Balanced input headphone amp
  167. Rigs test
  168. Kevin Gilmore KGSSHV boards
  169. Universal Headphone Amp - fits different headphones
  170. Headphone distribution block (passive)
  171. Calculating audio transformer losses?
  172. O2 headphone amp with 4x 8.4V cells
  173. how to mix sound from notebook and external sound card and get headphones output
  174. Koss HV/1LC foam Ear Pads
  175. Any DIY/Upgrade Components Ideas for Bravo Audio V2 12AU7 HeadAmp?
  176. Class A mosfet headphone amplifier. How does it look?
  177. Headphone Connections
  178. Headphones
  179. my new MING DA MC300-EAR headphone. Would like your suggestions.
  180. Best Sounding AMP for IMOD ( Modded ipod ) LOD
  181. Any point in adding a audio transformer for more power?
  182. Convert Low V Aikido line stage to headphone use?
  183. Balder, OPA2134+BUF634 Headphone Amplifier
  184. A good Headphone Amp for AKG K240DF anybody? It's 88dB and 600ohm, Thank you.
  185. Converting an Amp to Balanced XLR
  186. Calculating output impedance of Morgan-Jones headphone amp?
  187. norrisr
  188. modulation-like distortion of music at low volumes
  189. My E5 Class A hifi headphone amp
  190. Midgard, a low distortion Lateral FET output Headphone Amplifier
  191. can someone look this over?
  192. STAX Earspeaker part
  193. noise cancelation
  194. Best headamp for Hifiman planars?
  195. Headphone Passthrough Techniques
  196. I need Amplifier.
  197. Tone Stack with 2 knobs and switches
  198. Another 6922/6AS7 OTL Project
  199. Can anyone help me, repairing my DACPort
  200. Upgrading ICs in headphone amps
  201. Creating headphone jack from speaker out
  202. resistors in cmoy
  203. Electret Mic -> Headphones
  204. akg 240M ear pads
  205. "Balanced" vs single ended headphone drive
  206. Source for these Aluminum headphone cases/chassis?
  207. How do I Improve bass handling in a headphone amp?
  208. Little help please
  209. Objective2 as preamp (Help Needed)
  210. Best Earbud (not earplug) headphones to buy?
  211. help with caps and resisters
  212. A small, low-voltage, battery operated amplifier
  213. O2 Headphone amp gerber files problem
  214. Audez'e LCD-2 - help needed for a DIY cable build
  215. My Objective 2 having weird issues
  216. Beyerdynamic A1 kit
  217. M-stage Op amp replacement (for the better)
  218. First amp build; need help choosing and understanding amps
  219. Want to build Unusual high powered battery powered headphone amp (and equalizer)
  220. Single Stator Electrostatic Headphone - issues?
  221. Just made o2 amps, now what? :)
  222. Pioneer SE-50 worth saving?
  223. Measuring and Correction of Frequency Response for Head-Phones
  224. MiniDSP for headphone EQ & crosstalk?
  225. Impedance balancing of headphones + pot
  226. TPA6120A2 with balanced crossfeed?
  227. NOOB DIY need some help.
  228. Building the O2 Headphone Amp
  229. Diamond buffer headphone amp- can I parallel outputs?
  230. B-Board Boxer Prototype Build Thread
  231. headphone amps vs headphone inputs?
  232. Amp between Xonar D1 and Audio Technica ATH-M50
  233. Quick CMOY Question
  234. Bias and stability
  235. Help with new DIY amp decision (5th Gen iPod, LOD, and 250ohm DT770 Pro)
  236. Wow daughter asks dad for help
  237. How many different versions of "The Wire" are there?
  238. Headset goes to surgery :)
  239. What is a portable headphone amplifier?
  240. A bit of DIY advice required
  241. $6 headphone amplifier from ebay
  242. Headphone cable wiring
  243. OPA AMP
  244. Single ended DAC + TPA6120, where to put the pot?
  245. Mjølner, another all discrete Lateral FET Headphone Amplifier
  246. Newb Going Down CMOY Blvd Hits Big Roadblock
  247. Matrix M-Stage Amp blew out gasket!
  248. CMoy Ahoy! Help!
  249. a portable headphone amp with bass and treble tone controls
  250. First build, CMOY

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