View Full Version : Headphone Systems

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  1. Biasing OPAMP to class A [Hi Current type]
  2. cmoy with a 2 x 12v psu
  3. DIY Headphone Amp - Comments and advice appreciated
  4. HRTFs and the AES69-2015
  5. Terry Gesualdo Headphone Adapter
  6. About HA5000 Design
  7. Chassis mount jack socket help
  8. Simple Diy headphone amp
  9. Headphone amp with 2SK1058
  10. Headphone output on push-pull amplifier?
  11. Since the njm4556 are so cheap... class a biasing
  12. An inverting version of the NwAvGuy O2 headphone amp vs. the original: THD+N
  13. How to add Headphone amplifier to Silicon Chip 2009 DAC?
  14. Hissing problem of a hybrid amp
  15. Amp matching to headphones
  16. I need new headphones
  17. my great sounding tube hpa
  18. Sennheiser headband repair
  19. Help with bass amp for headphones for study purposes
  20. cmoy op amp virtual ground question
  21. parallel opamp amplifier
  22. Isolate 2 headphone amps with one source - HELP!
  23. TPA6120 Breakout - Free Design Files
  24. PCM2707 and TPA6120 Amp - Boards and Design Files
  25. Recommendations for Closed-Back Headphones
  26. Headphones with dual jack, reduced volume
  27. Fault finding, BCL Clone, help needed.
  28. Low Impedance Headphone/Earphone Amp
  29. Do you use your O2 as desktop, portable, or both?
  30. Passive Bass Boost circuit?
  31. Looking for a schematic..
  32. Noise, too much noise.
  33. Pono in Balanced Mode
  34. Gaming Headphones mod ideas
  35. Material for Headphone cushion and fabric?
  36. Good low impedance headphone amp project
  37. Suggestion for headphone
  38. Anyone ID these headphones?
  39. My first headamp project
  40. Xfeed network
  41. Amp suggestion
  42. single-ended (hope:) ) headphone amplifier with minimal NFB and low THD
  43. Cavalli's EHHA r1 kit question
  44. Headphone amp series current limiter resistor
  45. HD600 recabling
  46. Tube amp with usb
  47. A little compilation Erwin's Amp
  48. Help with faulty Pioneer Headphones please?
  49. Sound Magic Hp200 Premium Audiophile headphones!
  50. Using sApii Pro TPA6120a2 at lower voltage?
  51. Grasshopper
  52. My mobile Headphone AMP w. OPA134 & BUF634
  53. Trying to convert a pre amp to an headphone amp I could use some help..
  54. what's up with Headwize website ?
  55. Digital potentiometer. Distortion and line level
  56. MOSFET amp instability
  57. Is the O2/ODAC combo right for me? Are there better alternatives for me?
  58. limited soundstage with headphones
  59. headset to microphone
  60. Does anyone know how to use the digital potentiometer DS1882
  61. High Fidelity Ear Protection: "Protect your ears from bad sounding HiFi systems!"
  62. Need Help With DIY Switch Box
  63. Looking for a simple high quality amp to drive 600 ohm load
  64. Load output resistors in parallel opamps amplifier
  65. Bone conduction headphones
  66. headphone cable choice
  67. Headphones on TA2024 Single powered D Class amp
  68. Help with volume control on a headphone amplifier?
  69. SIT Headphone amplifier (VFET S.F. buffer)
  70. Headphone impedance matching with tube head amp
  71. My O2 & Subbu DAC build
  72. Monster headphone rebuild - need help please
  73. Amplifier for akg k340 (400ohms)
  74. Single NE5532 driving 38ohms?
  75. class A Buffer
  76. Headphones invention challenge with Harman Audio
  77. DIY 12AU7 Hybrid Amp voltage variances
  78. O2 amp only playing sound through one channel
  79. Tone control
  80. Another site noob needing help with his O2!!
  81. Portable LME49720 Headphone Amp
  82. schematic request for tpa6120/ne5534 ebay amp
  83. Cable Dongle ? What is it?
  84. Are these ICs legitimate?
  85. single NE5532P headphone amp ?!
  86. How does op amp introduce power supply noise to output?
  87. CFA Headphones amplifier
  88. Which resistor value for Gain
  89. lme49600 pcb for discrete jensen 918
  90. Headphone Buffer With Power Supply
  91. How to calculate Zobel/Boucherot Circuit
  92. MSA 30X Sound Amplifier
  93. Headphone Power Buffer
  94. 100Hz Hum in Lehmann Linear clone
  95. What you guys think of this Headphone amp?
  96. Personal Monitor System
  97. OBH-11 passive preamp mod
  98. "The Crocodile"
  99. PCM2407 DAC click & pop issue.
  100. Balanced Headphone amplifier for HiRes Bluray
  101. Shorted Channels w/o apparent effect on SQ
  102. ESL headphones and amp.
  103. Which Amp best suited for Earphone
  104. OUTONE Pseudobridge system
  105. Which amplifier for Sennheiser HD 598?
  106. Headphone Amp IC
  107. HIGH performance HeadPhone amplifier OUTONE
  108. Another take on the Diamond Buffer
  109. First Headphone Amp Build
  110. Another implementation of Class A buffer for headphone
  111. Schematic help for wierd problem.
  112. CMoy with other Chips
  113. HiFi Headphone Amp for Recording Studio
  114. special tool for 3.5mm strain relief?
  115. IEM Amp Design Help
  116. Converting the Bugle2 to a headphone amp?
  117. A High-Quality, High-Power Headphone Amplifier
  118. Stereo intercom for my experimental airplane
  119. [ask] Is there a way to mod a CMOY amp to have more power?
  120. Opa551 getting very hot in inverting configuration
  121. low impedence buffer
  122. A simple 2-Ch mixer, suggestions, ideas?
  123. O2 Amp Build - Resistor Question
  124. How to bypass volume potentiometer Sennheiser PC360
  125. DC protection for headphones
  126. Should replacement headphone cable telescope the shield?
  127. Headphone Attenuator, Or do I need an amp
  128. starting diy with a cmoy
  129. Neodymium Magnets - Strength/Weight
  130. Which Class-A Build?
  131. Headphone Mic Wiring
  132. Portabel Headphone Amplifier
  133. Precission EQ of Headphones
  134. Ribbon Microphones for Noise Canceling
  135. adding 18 watt valve amp on pc
  136. 5x5 Headphone amplifier/Preamplifer
  137. Headphone amp?
  138. Isodynamic Planar Magnetic Headphones
  139. ATH-DN1000USB Audio Technica DNote Digital USB Headphone
  140. Simple SE buffer, any better idea ?
  141. Ribbon Drivers in Headphones
  142. 600 Ohm headphones that are not Beyerdynamic
  143. First time building CMOY - Need some help
  144. specification of headphone
  145. Differences in headphones and speaker amps
  146. Head 'n' HiFi - Walter: O2 Headphone Amp Kit
  147. head amp for AKG K-2xx serie(600 Ohm)
  148. High Performance Class A Current Feeback Headphone Amplifier
  149. Inverting CMOY with inverting DC servo for 5V USB
  150. Output Resistor on Bravo V2
  151. First build, needing a little direction
  152. cmoy tube amp... mic amp?
  153. Headphone insert
  154. Two stage opamp amplifier PCB 5x5cm
  155. Classic-50mW
  156. OPA2134 headphone amplifier or recommend something better
  157. Replacing power MOSFETs in SDS Labs headphone amplifier
  158. Headphone amplifier (Lavardin Follower)
  159. One Ohm Resistor Separating Grounds?
  160. Power handling value of headphone drivers?
  161. Turning stereo signal to two mono signals
  162. Hybrid Headphone Amplifier
  163. problem with my first lme49723 amp
  164. Theoretical Full Range Ribbon Headphones
  165. TPA6120 Resistor Question
  166. Cmoy voltage fluctuation problem
  167. High-voltage hybrid headphone amp
  168. Why such a large input series resistor?
  169. inductor+resistor network for headphone amp output?
  170. My Own Headphone Amp
  171. Diy headphone options for AKG k701's
  172. OPA2134 Input Stage...
  173. OPA2134+LM6172 composite amp ?
  174. dual purpose amp question.
  175. importance of output impedance for headphones?
  176. AKG 601 cable really BI-WIRE?
  177. OP-amp getting hot
  178. Headphone Amplifier project
  179. Modifying the SMSL SAP VI for low impedance headphones
  180. artwork on cans?
  181. My first Desktop HPA
  182. Volume control
  183. Best way to implement a voltage gain stage with opamp?
  185. Audeze LCD poor comfort – any mods?
  186. Headphone capsules: OEM stuff
  187. OPA2134/IRF510 Schematic...
  188. Need Headphone Amp Schematic for NJM4556
  189. Headphones for me, speakers for wife
  190. Headphone amp level = line level? (Maybe obvious question)
  191. My first HPA design...comments please!
  192. Transparent & Objective: My Objective 2 build
  193. My O2 Portable Amp
  194. O2 Front Panel
  195. My LM5532 Headphone Amplifier project
  196. CMOY with Common Collector Buffer
  197. CMoy Desktop with Buffers
  198. Objective o2 diy no sound
  199. Cmoy help please!
  200. µCmoy - My take on the portable CMoy amp
  201. My Headphone amp. Very diy...
  202. Opa2134 Max. Power dissipation
  203. 49600 single ended amp; I blew up the output caps!
  204. MultiLoop Amp Output impedance
  205. Need a small amplifier
  206. OPA2134 in parallel
  207. Desktop Cmoy with NJM4556 Buffers
  208. Portable headphone amp
  209. NJM4556 Output Impedance
  210. TPA6120A2 Input Bias Voltage Protection
  211. geek Wave DAP
  212. HPA-1 Class A Headphone Amplifier
  213. Very good Headphone Amplifier
  214. CMOY problem - any ideas welcome
  215. CMOY problem - any ideas welcome
  216. CMOY issues - all ideas welcome
  217. HELP: tuning for AKG601 + MJ mini tube amp
  218. Crosstalk issue with homebrew headphone amps
  219. A composite with LT1210 - another way of doing it
  220. CMoy Opa2134 minimum Gain
  221. Cmoy vs Chipamps
  222. DIY portable USB headphone AMP/DAC- recommended ICs?
  223. My first amp!
  224. Pot before a high pass filter
  225. CMoy Mod for drive speakers
  226. Old School tda2003 Headphone amp
  227. Noobie looking for a cheap heaphones amp
  228. Headphone amp from AN-272 Op Amp Booster Designs
  229. Elektor improved headphone preamp. Is it good quality?
  230. Cmoy with RA input?
  231. GAMECOM Headphone Cable
  232. Stereo crosstalk gets worse with frequency?
  233. Decware ZKIT3 Clipping
  234. WARNING hillyhifi
  235. 49600 Electrostatic Discharge Concerns
  236. So, your Grados are too bright?
  237. o2 flush gain switch?
  238. clip on heat sinks for TO-263
  239. Looking for a closed HP driver
  240. Headphone amp with RCA bypass grounding
  241. About Crossfeed concept
  242. Optimizing a TPA6120a2 layout
  243. Quality 6.35mm Stereo Headphone Socket?
  244. cmoy amp suggestions
  245. simple, high performance amp using DRV134?
  246. General Headphone Amplifier Survey
  247. O2 headamp PM latch PC board to stop O2 low battery buzzing
  248. Headphone system - volume pot placement.
  249. 2 wires for Return Terminal and 1 wire for (+) Terminal in EXPENSIVE Headphone cable
  250. Too simple MOSFET ESL amplifier

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