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  1. parasound halo a23 ps cap size dimentions needed please!
  2. right channel brighter than left - Pioneer SX680
  3. TGM9 - my version of the JLH '69 Class A amplifier
  4. Why having diodes from output to rail in OPS?
  5. Changing tone characteristics on amp board
  6. Fetulele Amp
  7. convert sugden a88 to power amp
  8. Musical Fidelity Synthesis
  9. Help to convert these Lat-Fet amp to Toshhiba mosfet
  10. Need a little help with amplifier protection circuit problem
  11. Please comment on this IPS/VAS design
  12. Class "A" Solid State
  13. Denon DRA-335r problems
  14. Adcom GFA-5300 rebuild, manual needed, parts upgrades?
  15. Reservoir in Electrocompaniet otala amplifier
  16. Lateral MOSFET amplifier project
  17. TDA7297 output
  18. Help me repair my Hafler DH500?
  19. Info and spec needed for Harrison 1200
  20. Please help denon avr 1804 5.1 not working
  21. marantz like pre-amp
  22. Crest amplifier repair
  23. I need help, how to charge to renovate sophisticated Solid State amplifiers
  24. Crest Pro9200
  25. Brass PCB stanoff size
  26. Harman Kardon AVR 130 (Channel 7 problem)
  27. HELP....Perreaux SA2 noisy phono section
  28. Bryston 7B SST (7 B SST, 7BSST) - Why is sound quality not good ?
  29. Help needed with transistor substitution
  30. Strange Waveform
  31. NAD L40 CD Problem
  32. bypassing rear gain pots on parasound halo a 23 amp
  33. Using LME49713 for preamp, large DC offset
  34. Creek 4140s2
  35. insulator fo audio ic
  36. RIAA preamp project
  37. HELP!! SA800 Pro amp not working
  38. transistor
  39. Convert stereo to mono?
  40. Troubleshooting help
  41. NAD 2100 won't go into bridged mode
  42. volume pot and input impedance issues with LME49830
  43. Kenwood KA-8006 restoration?
  44. anyone seen one of these?
  45. Akai AA-6100
  46. BF245C those who built it?
  47. Toshiba sa-400
  48. ADCOM GFA-5500 bridging ??
  49. Roksan Kandy KA1
  50. help me building this 2n3055 amplifier
  51. Absolute Polarity Question
  52. AQUARIUS AMPLIFIR
  53. Another Hafler 220
  54. Pioneer SA-608 phono stage hum
  55. Bedini 100/100 (802mod) high DC offset problem
  56. Help Identifying Zener? diodes in 1985 Accuphuse Amp
  57. ZCA amplifier question.
  58. Putting a super light phono amp inside the tonearm?
  59. Roland SRA 540
  60. First time DIY'er - Mono Amps
  61. Combined Mic + Line preamp - Single gain control?
  62. HK avr645 Display Lights of death
  63. Arcam 6 Plus Amplifier Repair
  64. Help a noob out- NAD3020 and system compatability questions :)
  65. Superphon Revelation Basic volume pots
  66. Help me understand mono BTL power math?
  67. Delco DTS 410 output transistors
  68. Arcam A65+ high DC offset and thump sound, help please.
  69. Optonica SM-4646 Recap?
  70. DIY power amp 250 - 300W @ 4Ohm
  71. Please comment on my OPS design
  72. Question about recapping amp
  73. How can I substitute a STK00xx darlington power pack with a transistor based circuit?
  74. Transformer influence
  75. Little Angel Power Amplifier
  76. Need suggestion of power supply filters
  77. Need Mitsubishi DA-R10 manual
  78. How do I adapt vintage amp for new spades
  79. Nad 3120 Recap results
  80. Looking for a design recommendation for an AB amp.
  81. Inexpensive Chinese audio boards
  82. NAD C315BEE Buzz, replaced capacitors, now new kind of buzz
  83. The filtering of the preamp with the PGA2310 project
  84. Is there any reason why people don't use darlington power transistor?
  85. Rega brio bias setting
  86. Op-Amp Phono Pre
  87. 62-0-62 volt power transformer: options?
  88. MONO Fun
  89. Choosing a power transformer
  90. Another Sony DE375 Broken (2SD1513 no voltage)
  91. Cary solid state amp repair
  92. easy SAP17N
  93. Does anyone have a pair of 2SD555's they'd part with?
  94. Cyrus 2 output transistors
  95. A little nudge in the right direction.
  96. Bias effect dB?
  97. How to clean up the inside of amp?
  98. Help me choose a vintage amp to restore
  99. V8 input board recap - re voltage regulator
  100. Adcom GFA-2 recap....should I replace rectifiers/snubber caps???
  101. Question on parts for a new build
  102. Looking for Battery Wiring for Diagram for NEW class A DCA33
  103. Mosfet Short, capacitor problem?
  104. taxi radio interferance on Leak 2000 tuneramp
  105. Need a preamp for a beautiful Sony TA-3200F
  106. wilson sziklai pair MODULE
  107. Parasound HCA 2200 mark ii problem
  108. High End 120W Mosfet IC driven amp
  109. Terminating AC Power Cord's Ground Via Resistor, Thoughts?
  110. AD846AN (AD-846 AN) as Front End in Power Amplifiers
  111. Harman Kardon PM665 Vxi Operating Mode
  112. Citation 16 Series A Capacitor Replacement.
  113. Help on deciding the topology of the design.
  114. Surface mount diode identification required
  115. Bss fds388
  116. Increasing Power Output of Amplifier
  117. After defect, one channel oscillates
  118. Classic NAIM diy?
  119. Subwoofer sound degrading - electronics fix?
  120. REVISION OF Very Best Amplifier ... 2015
  121. Linn Intek emitter resistors
  122. Did I go overboard on this power supply?
  123. Question on Thermal Track BJT in parallel application.
  124. Sugden a88/a48 pot values
  125. NAKAMICHI IA-2 AMP HELP
  126. 'Sandwich' power transformers between 2 heatsinks
  127. Transformer voltage info needed
  128. Setting bias on Zen headphone amp
  129. gold aero db45 phono stage output DC offset
  130. IRF530 Linear POwer Amplifier AN948 Recommended IR Circuit
  131. Op-Amp Buffer into 1073?
  132. My Onkyo-LJM L20 Project.
  133. Help me debug this
  134. Passive ducted heat sink?
  135. Amplifier Clicking Problem
  136. NAD 7020 noise on left power amp
  137. citation 12 questions
  138. pionner QA-800A
  139. pionner QA-800A
  140. Compare the sound between BJT and MOSFET OPS
  141. Schematics for Boston MCS130 Subwoofer Amp
  142. Help with NAD3020 DC Offset Problem - Please!
  143. DC servo introduces more odd harmonics
  144. Refurbished Krell KSA 100
  145. How to tell the positive and nagative pole?
  146. Buzz in a vintage amp
  147. need soundcraftsmen pcr800 schematics
  148. MJ15022/24 vs. MJ21193/94
  149. Help repairing Phase Linear Series II Model 200
  150. Is a solar (or room light) powered tweeter amp possible?
  151. Soft Start / Missing Cycle Detector / On-Off Mute Controller
  152. Hafler DH300 - Interesting Bridged DH200
  153. I've written a complete guide to building your own Leach Amp 200Wx2 in 2U rack mount
  154. AB international precedent 1450 rail voltage?
  155. What Is The Minimum Current For TO-126 Driver?
  156. Lazy Cat's Output Stage
  157. JVC A-x40 service manual
  158. Caver PM Repair
  159. Audio Sensing 2.1 Amp / Board / Kit?
  160. Any way to improve the mid range of a power amp?
  161. Cambridge Audio Azur 640A V2 Left Channel Over Drive.
  162. DC Offset Question
  163. How to measure mismatched channels on an amplifier?
  164. Bridging tube amp combo with Solid state power amp
  165. Suggestion for buiding a selector box to drive power amp.
  166. Crown DC-300A voltage conversion question
  167. High power Quad 405 experiment 390W into 1 Ohm
  168. Nelson Pass amp
  169. POC amplifier
  170. What Temperature Set Do You Use In Simulation?
  171. How to bias the 2sc5171 drivers into class A?
  172. Rule of thumb for wattage?
  173. +57 Amp
  174. Need a quick hand with a Pioneer SA-700
  175. Output Transistor faulty
  176. Hi! New here.
  177. Repairing a Yamaha RX-V590 Receiver.
  178. First DIY power amp
  179. When Is A Simple Resistor Not Good Enough To Bias a LATFET?
  180. 7vdc on speaker outputs!!
  181. Help needed please on identifying accuphase diodes in P500
  182. A few questions about new amp project
  183. What wattage AMP would I need for this audio system?
  184. Marantz PM 40SE Fault
  185. When power on, no click sound.
  186. 32 opamps in 50mm square buffer
  187. Circuit diagram for power amp A-80 DIY kit
  188. NAD7020 hum from sound card
  189. Balanced inputs (XLR) are rare
  190. How do you drill holes exactly ?
  191. Who is your favorite IC manufacturer?
  192. Vintage receiver help, please?
  193. Channel outputs DC rail voltage, unable to find cause
  194. Kink on the negative swing
  195. Buzzing right channel on a Sony TA-3200F
  196. NAD C 326BEE Volume/channel problem
  197. Maplin GA28F mosfet disaster - Can anyone help me out here?
  198. diy amplifiers in a way of plateform
  199. My amp are flooded!
  200. Signal-Flow (Box) Diagram of Shadow Hills Mastering Compressor
  201. Suitable heatsink for Hiraga 30W
  202. info on amp design from harman kardon 75
  203. Rotel RA-1062 with Alpair 7.3/F206en
  204. Gain decreases with load
  205. Advanced Amps. Two Pole compensation.
  206. Are Manufacturers Blatantly Overdriving Outputs?
  207. Superphon DM220 Amplifier
  208. Help for quiescent current adjustment
  209. Leach Amp Bias Voltage Measurements
  210. h.h. scott 480 oscillation sounds terrible
  211. My amp seems to have very low gain
  212. No FB MC Amplifier
  213. Pioneer A-77X true Dual Mono or not?
  214. Amp output Zobel network value recommendation for 400KHz resp
  215. Sony TA-F444ES distorsion on midrange
  216. Experiences with software thd, sine generating
  217. Merry Christmas!!!
  218. Reducing distortion in this class B circuit
  219. Leach Amp LSR&D LNF-1A Restoration
  220. I have found some BUX22s Has anyone used them
  221. Fixing an Marantz SR8500 in protection mode.
  222. Looking for a compact preamp project. EASY and GOOD are the goals.
  223. Replacement capacitor value
  224. Amp has power, just no sound
  225. 200 Watt amp burn
  226. Setting bias on my Adcom GFA-5400
  227. BTL2101 by Wang Qiao
  228. Behringer A500 power transistor insulator missing
  229. Decapping semis
  230. Need advice on this phono stage
  231. LAS MEGA 1 (Linear Audio Systems) - who has overtaken this company ?
  232. (Ask) Compare amp
  233. Need help getting this basic DIY amp up and running (DC offset Problems)
  234. big polypropylene coupling capacitors
  235. athon POWERAMP
  236. fan power supply
  237. Behringer's Europower EPQ450
  238. Nad T 762 video interference
  239. Upgrading an old low-end amplifier....
  240. Sony SRP-P450... thoughts?
  241. 500 Watts RMS in 4 Ohm amplifier
  242. Pre Build questions: 6 channel Avondale Voyager build
  243. NAD 3020i
  244. Can someone clarify a detail about bridging amplifier channels? (yes I searched)
  245. LSR&D Leach Superamp bias problem
  246. Integra 5.6 powers up but no sound
  247. Marantz PM32 help
  248. Quad 909 - quadlink
  249. Recapping Vintage Toshiba Power Amp
  250. Capacitive leaks on heatsink

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