View Full Version : Headphone Systems

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  1. ATH-M40x
  2. mains hum
  3. QRV04 Headphone Amp. + Red Baron v5 DAC
  4. Southwest Technical Products Corp. (SWTPC) Headphone Amp 202-C
  5. Adapting my Cmoy to TRRS headphones
  6. Cmoy input resistor value?
  7. Toxic Fraud
  8. BUF634 Open Loop with Single Supply
  9. what is standart smartphone headphone audio output power (mW) at 32 ohms?
  10. Amp for connecting ATH-R70X to PC
  11. Starving Student (20EZ7)
  12. Ebay amp..
  13. Stereo passive somation
  14. Focal Spirit One mod
  15. This is what happens...
  16. Stax pro SRD-7 hum
  17. Cmoy, Charge Pump Inverter, Regulated
  18. TPA6120 Output Impedace
  19. Opa2134 + Buf634 output impedance
  20. 8-pin 6.5mm headphone connector pinouts are needed
  21. TPA6120 Single Supply
  22. Biasing OPAMP to class A [Hi Current type]
  23. cmoy with a 2 x 12v psu
  24. DIY Headphone Amp - Comments and advice appreciated
  25. HRTFs and the AES69-2015
  26. Terry Gesualdo Headphone Adapter
  27. About HA5000 Design
  28. Chassis mount jack socket help
  29. Simple Diy headphone amp
  30. Headphone amp with 2SK1058
  31. Headphone output on push-pull amplifier?
  32. Since the njm4556 are so cheap... class a biasing
  33. An inverting version of the NwAvGuy O2 headphone amp vs. the original: THD+N
  34. How to add Headphone amplifier to Silicon Chip 2009 DAC?
  35. Hissing problem of a hybrid amp
  36. Amp matching to headphones
  37. I need new headphones
  38. my great sounding tube hpa
  39. Sennheiser headband repair
  40. Help with bass amp for headphones for study purposes
  41. cmoy op amp virtual ground question
  42. parallel opamp amplifier
  43. Isolate 2 headphone amps with one source - HELP!
  44. TPA6120 Breakout - Free Design Files
  45. PCM2707 and TPA6120 Amp - Boards and Design Files
  46. Recommendations for Closed-Back Headphones
  47. Headphones with dual jack, reduced volume
  48. Fault finding, BCL Clone, help needed.
  49. Low Impedance Headphone/Earphone Amp
  50. Do you use your O2 as desktop, portable, or both?
  51. Passive Bass Boost circuit?
  52. Looking for a schematic..
  53. Noise, too much noise.
  54. Pono in Balanced Mode
  55. Gaming Headphones mod ideas
  56. Material for Headphone cushion and fabric?
  57. Good low impedance headphone amp project
  58. Suggestion for headphone
  59. Anyone ID these headphones?
  60. My first headamp project
  61. Xfeed network
  62. Amp suggestion
  63. single-ended (hope:) ) headphone amplifier with minimal NFB and low THD
  64. Cavalli's EHHA r1 kit question
  65. Headphone amp series current limiter resistor
  66. HD600 recabling
  67. Tube amp with usb
  68. A little compilation Erwin's Amp
  69. Help with faulty Pioneer Headphones please?
  70. Sound Magic Hp200 Premium Audiophile headphones!
  71. Using sApii Pro TPA6120a2 at lower voltage?
  72. Grasshopper
  73. My mobile Headphone AMP w. OPA134 & BUF634
  74. Trying to convert a pre amp to an headphone amp I could use some help..
  75. what's up with Headwize website ?
  76. Digital potentiometer. Distortion and line level
  77. MOSFET amp instability
  78. Is the O2/ODAC combo right for me? Are there better alternatives for me?
  79. limited soundstage with headphones
  80. headset to microphone
  81. Does anyone know how to use the digital potentiometer DS1882
  82. High Fidelity Ear Protection: "Protect your ears from bad sounding HiFi systems!"
  83. Need Help With DIY Switch Box
  84. Looking for a simple high quality amp to drive 600 ohm load
  85. Load output resistors in parallel opamps amplifier
  86. Bone conduction headphones
  87. headphone cable choice
  88. Headphones on TA2024 Single powered D Class amp
  89. Help with volume control on a headphone amplifier?
  90. SIT Headphone amplifier (VFET S.F. buffer)
  91. Headphone impedance matching with tube head amp
  92. My O2 & Subbu DAC build
  93. Monster headphone rebuild - need help please
  94. Amplifier for akg k340 (400ohms)
  95. Single NE5532 driving 38ohms?
  96. class A Buffer
  97. Headphones invention challenge with Harman Audio
  98. DIY 12AU7 Hybrid Amp voltage variances
  99. O2 amp only playing sound through one channel
  100. Tone control
  101. Another site noob needing help with his O2!!
  102. Portable LME49720 Headphone Amp
  103. schematic request for tpa6120/ne5534 ebay amp
  104. Cable Dongle ? What is it?
  105. Are these ICs legitimate?
  106. single NE5532P headphone amp ?!
  107. How does op amp introduce power supply noise to output?
  108. CFA Headphones amplifier
  109. Which resistor value for Gain
  110. lme49600 pcb for discrete jensen 918
  111. Headphone Buffer With Power Supply
  112. How to calculate Zobel/Boucherot Circuit
  113. MSA 30X Sound Amplifier
  114. Headphone Power Buffer
  115. 100Hz Hum in Lehmann Linear clone
  116. What you guys think of this Headphone amp?
  117. Personal Monitor System
  118. OBH-11 passive preamp mod
  119. "The Crocodile"
  120. PCM2407 DAC click & pop issue.
  121. Balanced Headphone amplifier for HiRes Bluray
  122. Shorted Channels w/o apparent effect on SQ
  123. ESL headphones and amp.
  124. Which Amp best suited for Earphone
  125. OUTONE Pseudobridge system
  126. Which amplifier for Sennheiser HD 598?
  127. Headphone Amp IC
  128. HIGH performance HeadPhone amplifier OUTONE
  129. Another take on the Diamond Buffer
  130. First Headphone Amp Build
  131. Another implementation of Class A buffer for headphone
  132. Schematic help for wierd problem.
  133. CMoy with other Chips
  134. HiFi Headphone Amp for Recording Studio
  135. special tool for 3.5mm strain relief?
  136. IEM Amp Design Help
  137. Converting the Bugle2 to a headphone amp?
  138. A High-Quality, High-Power Headphone Amplifier
  139. Stereo intercom for my experimental airplane
  140. [ask] Is there a way to mod a CMOY amp to have more power?
  141. Opa551 getting very hot in inverting configuration
  142. low impedence buffer
  143. A simple 2-Ch mixer, suggestions, ideas?
  144. O2 Amp Build - Resistor Question
  145. How to bypass volume potentiometer Sennheiser PC360
  146. DC protection for headphones
  147. Should replacement headphone cable telescope the shield?
  148. Headphone Attenuator, Or do I need an amp
  149. starting diy with a cmoy
  150. Neodymium Magnets - Strength/Weight
  151. Which Class-A Build?
  152. Headphone Mic Wiring
  153. Portabel Headphone Amplifier
  154. Precission EQ of Headphones
  155. Ribbon Microphones for Noise Canceling
  156. adding 18 watt valve amp on pc
  157. 5x5 Headphone amplifier/Preamplifer
  158. Headphone amp?
  159. Isodynamic Planar Magnetic Headphones
  160. ATH-DN1000USB Audio Technica DNote Digital USB Headphone
  161. Simple SE buffer, any better idea ?
  162. Ribbon Drivers in Headphones
  163. 600 Ohm headphones that are not Beyerdynamic
  164. First time building CMOY - Need some help
  165. specification of headphone
  166. Differences in headphones and speaker amps
  167. Head 'n' HiFi - Walter: O2 Headphone Amp Kit
  168. head amp for AKG K-2xx serie(600 Ohm)
  169. High Performance Class A Current Feeback Headphone Amplifier
  170. Inverting CMOY with inverting DC servo for 5V USB
  171. Output Resistor on Bravo V2
  172. First build, needing a little direction
  173. cmoy tube amp... mic amp?
  174. Headphone insert
  175. Two stage opamp amplifier PCB 5x5cm
  176. Classic-50mW
  177. OPA2134 headphone amplifier or recommend something better
  178. Replacing power MOSFETs in SDS Labs headphone amplifier
  179. Headphone amplifier (Lavardin Follower)
  180. One Ohm Resistor Separating Grounds?
  181. Power handling value of headphone drivers?
  182. Turning stereo signal to two mono signals
  183. Hybrid Headphone Amplifier
  184. problem with my first lme49723 amp
  185. Theoretical Full Range Ribbon Headphones
  186. TPA6120 Resistor Question
  187. Cmoy voltage fluctuation problem
  188. High-voltage hybrid headphone amp
  189. Why such a large input series resistor?
  190. inductor+resistor network for headphone amp output?
  191. My Own Headphone Amp
  192. Diy headphone options for AKG k701's
  193. OPA2134 Input Stage...
  194. OPA2134+LM6172 composite amp ?
  195. dual purpose amp question.
  196. importance of output impedance for headphones?
  197. AKG 601 cable really BI-WIRE?
  198. OP-amp getting hot
  199. Headphone Amplifier project
  200. Modifying the SMSL SAP VI for low impedance headphones
  201. artwork on cans?
  202. My first Desktop HPA
  203. Volume control
  204. Best way to implement a voltage gain stage with opamp?
  206. Audeze LCD poor comfort – any mods?
  207. Headphone capsules: OEM stuff
  208. OPA2134/IRF510 Schematic...
  209. Need Headphone Amp Schematic for NJM4556
  210. Headphones for me, speakers for wife
  211. Headphone amp level = line level? (Maybe obvious question)
  212. My first HPA design...comments please!
  213. Transparent & Objective: My Objective 2 build
  214. My O2 Portable Amp
  215. O2 Front Panel
  216. My LM5532 Headphone Amplifier project
  217. CMOY with Common Collector Buffer
  218. CMoy Desktop with Buffers
  219. Objective o2 diy no sound
  220. Cmoy help please!
  221. µCmoy - My take on the portable CMoy amp
  222. My Headphone amp. Very diy...
  223. Opa2134 Max. Power dissipation
  224. 49600 single ended amp; I blew up the output caps!
  225. MultiLoop Amp Output impedance
  226. Need a small amplifier
  227. OPA2134 in parallel
  228. Desktop Cmoy with NJM4556 Buffers
  229. Portable headphone amp
  230. NJM4556 Output Impedance
  231. TPA6120A2 Input Bias Voltage Protection
  232. geek Wave DAP
  233. HPA-1 Class A Headphone Amplifier
  234. Very good Headphone Amplifier
  235. CMOY problem - any ideas welcome
  236. CMOY problem - any ideas welcome
  237. CMOY issues - all ideas welcome
  238. HELP: tuning for AKG601 + MJ mini tube amp
  239. Crosstalk issue with homebrew headphone amps
  240. A composite with LT1210 - another way of doing it
  241. CMoy Opa2134 minimum Gain
  242. Cmoy vs Chipamps
  243. DIY portable USB headphone AMP/DAC- recommended ICs?
  244. My first amp!
  245. Pot before a high pass filter
  246. CMoy Mod for drive speakers
  247. Old School tda2003 Headphone amp
  248. Noobie looking for a cheap heaphones amp
  249. Headphone amp from AN-272 Op Amp Booster Designs
  250. Elektor improved headphone preamp. Is it good quality?

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