View Full Version : Headphone Systems

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  1. TPA6120 Output Impedace
  2. Opa2134 + Buf634 output impedance
  3. 8-pin 6.5mm headphone connector pinouts are needed
  4. TPA6120 Single Supply
  5. Biasing OPAMP to class A [Hi Current type]
  6. cmoy with a 2 x 12v psu
  7. DIY Headphone Amp - Comments and advice appreciated
  8. HRTFs and the AES69-2015
  9. Terry Gesualdo Headphone Adapter
  10. About HA5000 Design
  11. Chassis mount jack socket help
  12. Simple Diy headphone amp
  13. Headphone amp with 2SK1058
  14. Headphone output on push-pull amplifier?
  15. Since the njm4556 are so cheap... class a biasing
  16. An inverting version of the NwAvGuy O2 headphone amp vs. the original: THD+N
  17. How to add Headphone amplifier to Silicon Chip 2009 DAC?
  18. Hissing problem of a hybrid amp
  19. Amp matching to headphones
  20. I need new headphones
  21. my great sounding tube hpa
  22. Sennheiser headband repair
  23. Help with bass amp for headphones for study purposes
  24. cmoy op amp virtual ground question
  25. parallel opamp amplifier
  26. Isolate 2 headphone amps with one source - HELP!
  27. TPA6120 Breakout - Free Design Files
  28. PCM2707 and TPA6120 Amp - Boards and Design Files
  29. Recommendations for Closed-Back Headphones
  30. Headphones with dual jack, reduced volume
  31. Fault finding, BCL Clone, help needed.
  32. Low Impedance Headphone/Earphone Amp
  33. Do you use your O2 as desktop, portable, or both?
  34. Passive Bass Boost circuit?
  35. Looking for a schematic..
  36. Noise, too much noise.
  37. Pono in Balanced Mode
  38. Gaming Headphones mod ideas
  39. Material for Headphone cushion and fabric?
  40. Good low impedance headphone amp project
  41. Suggestion for headphone
  42. Anyone ID these headphones?
  43. My first headamp project
  44. Xfeed network
  45. Amp suggestion
  46. single-ended (hope:) ) headphone amplifier with minimal NFB and low THD
  47. Cavalli's EHHA r1 kit question
  48. Headphone amp series current limiter resistor
  49. HD600 recabling
  50. Tube amp with usb
  51. A little compilation Erwin's Amp
  52. Help with faulty Pioneer Headphones please?
  53. Sound Magic Hp200 Premium Audiophile headphones!
  54. Using sApii Pro TPA6120a2 at lower voltage?
  55. Grasshopper
  56. My mobile Headphone AMP w. OPA134 & BUF634
  57. Trying to convert a pre amp to an headphone amp I could use some help..
  58. what's up with Headwize website ?
  59. Digital potentiometer. Distortion and line level
  60. MOSFET amp instability
  61. Is the O2/ODAC combo right for me? Are there better alternatives for me?
  62. limited soundstage with headphones
  63. headset to microphone
  64. Does anyone know how to use the digital potentiometer DS1882
  65. High Fidelity Ear Protection: "Protect your ears from bad sounding HiFi systems!"
  66. Need Help With DIY Switch Box
  67. Looking for a simple high quality amp to drive 600 ohm load
  68. Load output resistors in parallel opamps amplifier
  69. Bone conduction headphones
  70. headphone cable choice
  71. Headphones on TA2024 Single powered D Class amp
  72. Help with volume control on a headphone amplifier?
  73. SIT Headphone amplifier (VFET S.F. buffer)
  74. Headphone impedance matching with tube head amp
  75. My O2 & Subbu DAC build
  76. Monster headphone rebuild - need help please
  77. Amplifier for akg k340 (400ohms)
  78. Single NE5532 driving 38ohms?
  79. class A Buffer
  80. Headphones invention challenge with Harman Audio
  81. DIY 12AU7 Hybrid Amp voltage variances
  82. O2 amp only playing sound through one channel
  83. Tone control
  84. Another site noob needing help with his O2!!
  85. Portable LME49720 Headphone Amp
  86. schematic request for tpa6120/ne5534 ebay amp
  87. Cable Dongle ? What is it?
  88. Are these ICs legitimate?
  89. single NE5532P headphone amp ?!
  90. How does op amp introduce power supply noise to output?
  91. CFA Headphones amplifier
  92. Which resistor value for Gain
  93. lme49600 pcb for discrete jensen 918
  94. Headphone Buffer With Power Supply
  95. How to calculate Zobel/Boucherot Circuit
  96. MSA 30X Sound Amplifier
  97. Headphone Power Buffer
  98. 100Hz Hum in Lehmann Linear clone
  99. What you guys think of this Headphone amp?
  100. Personal Monitor System
  101. OBH-11 passive preamp mod
  102. "The Crocodile"
  103. PCM2407 DAC click & pop issue.
  104. Balanced Headphone amplifier for HiRes Bluray
  105. Shorted Channels w/o apparent effect on SQ
  106. ESL headphones and amp.
  107. Which Amp best suited for Earphone
  108. OUTONE Pseudobridge system
  109. Which amplifier for Sennheiser HD 598?
  110. Headphone Amp IC
  111. HIGH performance HeadPhone amplifier OUTONE
  112. Another take on the Diamond Buffer
  113. First Headphone Amp Build
  114. Another implementation of Class A buffer for headphone
  115. Schematic help for wierd problem.
  116. CMoy with other Chips
  117. HiFi Headphone Amp for Recording Studio
  118. special tool for 3.5mm strain relief?
  119. IEM Amp Design Help
  120. Converting the Bugle2 to a headphone amp?
  121. A High-Quality, High-Power Headphone Amplifier
  122. Stereo intercom for my experimental airplane
  123. [ask] Is there a way to mod a CMOY amp to have more power?
  124. Opa551 getting very hot in inverting configuration
  125. low impedence buffer
  126. A simple 2-Ch mixer, suggestions, ideas?
  127. O2 Amp Build - Resistor Question
  128. How to bypass volume potentiometer Sennheiser PC360
  129. DC protection for headphones
  130. Should replacement headphone cable telescope the shield?
  131. Headphone Attenuator, Or do I need an amp
  132. starting diy with a cmoy
  133. Neodymium Magnets - Strength/Weight
  134. Which Class-A Build?
  135. Headphone Mic Wiring
  136. Portabel Headphone Amplifier
  137. Precission EQ of Headphones
  138. Ribbon Microphones for Noise Canceling
  139. adding 18 watt valve amp on pc
  140. 5x5 Headphone amplifier/Preamplifer
  141. Headphone amp?
  142. Isodynamic Planar Magnetic Headphones
  143. ATH-DN1000USB Audio Technica DNote Digital USB Headphone
  144. Simple SE buffer, any better idea ?
  145. Ribbon Drivers in Headphones
  146. 600 Ohm headphones that are not Beyerdynamic
  147. First time building CMOY - Need some help
  148. specification of headphone
  149. Differences in headphones and speaker amps
  150. Head 'n' HiFi - Walter: O2 Headphone Amp Kit
  151. head amp for AKG K-2xx serie(600 Ohm)
  152. High Performance Class A Current Feeback Headphone Amplifier
  153. Inverting CMOY with inverting DC servo for 5V USB
  154. Output Resistor on Bravo V2
  155. First build, needing a little direction
  156. cmoy tube amp... mic amp?
  157. Headphone insert
  158. Two stage opamp amplifier PCB 5x5cm
  159. Classic-50mW
  160. OPA2134 headphone amplifier or recommend something better
  161. Replacing power MOSFETs in SDS Labs headphone amplifier
  162. Headphone amplifier (Lavardin Follower)
  163. One Ohm Resistor Separating Grounds?
  164. Power handling value of headphone drivers?
  165. Turning stereo signal to two mono signals
  166. Hybrid Headphone Amplifier
  167. problem with my first lme49723 amp
  168. Theoretical Full Range Ribbon Headphones
  169. TPA6120 Resistor Question
  170. Cmoy voltage fluctuation problem
  171. High-voltage hybrid headphone amp
  172. Why such a large input series resistor?
  173. inductor+resistor network for headphone amp output?
  174. My Own Headphone Amp
  175. Diy headphone options for AKG k701's
  176. OPA2134 Input Stage...
  177. OPA2134+LM6172 composite amp ?
  178. dual purpose amp question.
  179. importance of output impedance for headphones?
  180. AKG 601 cable really BI-WIRE?
  181. OP-amp getting hot
  182. Headphone Amplifier project
  183. Modifying the SMSL SAP VI for low impedance headphones
  184. artwork on cans?
  185. My first Desktop HPA
  186. Volume control
  187. Best way to implement a voltage gain stage with opamp?
  189. Audeze LCD poor comfort – any mods?
  190. Headphone capsules: OEM stuff
  191. OPA2134/IRF510 Schematic...
  192. Need Headphone Amp Schematic for NJM4556
  193. Headphones for me, speakers for wife
  194. Headphone amp level = line level? (Maybe obvious question)
  195. My first HPA design...comments please!
  196. Transparent & Objective: My Objective 2 build
  197. My O2 Portable Amp
  198. O2 Front Panel
  199. My LM5532 Headphone Amplifier project
  200. CMOY with Common Collector Buffer
  201. CMoy Desktop with Buffers
  202. Objective o2 diy no sound
  203. Cmoy help please!
  204. µCmoy - My take on the portable CMoy amp
  205. My Headphone amp. Very diy...
  206. Opa2134 Max. Power dissipation
  207. 49600 single ended amp; I blew up the output caps!
  208. MultiLoop Amp Output impedance
  209. Need a small amplifier
  210. OPA2134 in parallel
  211. Desktop Cmoy with NJM4556 Buffers
  212. Portable headphone amp
  213. NJM4556 Output Impedance
  214. TPA6120A2 Input Bias Voltage Protection
  215. geek Wave DAP
  216. HPA-1 Class A Headphone Amplifier
  217. Very good Headphone Amplifier
  218. CMOY problem - any ideas welcome
  219. CMOY problem - any ideas welcome
  220. CMOY issues - all ideas welcome
  221. HELP: tuning for AKG601 + MJ mini tube amp
  222. Crosstalk issue with homebrew headphone amps
  223. A composite with LT1210 - another way of doing it
  224. CMoy Opa2134 minimum Gain
  225. Cmoy vs Chipamps
  226. DIY portable USB headphone AMP/DAC- recommended ICs?
  227. My first amp!
  228. Pot before a high pass filter
  229. CMoy Mod for drive speakers
  230. Old School tda2003 Headphone amp
  231. Noobie looking for a cheap heaphones amp
  232. Headphone amp from AN-272 Op Amp Booster Designs
  233. Elektor improved headphone preamp. Is it good quality?
  234. Cmoy with RA input?
  235. GAMECOM Headphone Cable
  236. Stereo crosstalk gets worse with frequency?
  237. Decware ZKIT3 Clipping
  238. WARNING hillyhifi
  239. 49600 Electrostatic Discharge Concerns
  240. So, your Grados are too bright?
  241. o2 flush gain switch?
  242. clip on heat sinks for TO-263
  243. Looking for a closed HP driver
  244. Headphone amp with RCA bypass grounding
  245. About Crossfeed concept
  246. Optimizing a TPA6120a2 layout
  247. Quality 6.35mm Stereo Headphone Socket?
  248. cmoy amp suggestions
  249. simple, high performance amp using DRV134?
  250. General Headphone Amplifier Survey

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