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  1. Marantz sr5002 only takes input in 1 channel
  2. Need help understanding Haffler DH220 Design
  3. Rotel amplifier RA1412
  4. CFP TMC EF3 VFA
  5. 20W transistor audio amp
  6. Marshall Avg150h Problem
  7. Anyone have a schematic for a Realistic SA-102?
  8. Extreme Hi-End Hybrid Amplifier End
  9. to92 transistor replacement
  10. Another CFA from MJ Magazine
  11. Is it ever desirable to have *low gain* transistors?
  12. what software is this?
  13. Request redrawing schematic from pdf to eagle
  14. Very interesting Youtube and Blog on Measuring Instruments and repair.
  15. 4 ohm speakers with a Plinius SA50?
  16. How to wire an inuke to my A/V receiver?
  17. Pioneer amp + b&w speaker, good match ?
  18. Where to buy assembled pcb boards ??
  19. soundcraftsmen PCR-800 Question
  20. Help with first amplifier design
  21. BC550 vs KSC1845, BC560 vs KSA992 and others.
  22. Step further from zen
  23. Thule Spirit IA100
  24. 10000uf 71V E. caps
  25. How to measure Vrms of laptop headphones jack output?
  26. Hybrid question
  27. Quad 405 - Bridge Mod
  28. technics power transformer
  29. NAD C300 strange sound, then dim red light only. Ideas?
  30. sj201-y for sony amp
  31. [Question] RCA DIY replacement & Rust on the solder joint
  32. 1N60 diode replacement
  33. Racking (1) 500-series in 1U / 2U...
  34. Simple BJT class A stage reduce white noise
  35. Audiolab Pre/Power problem question
  36. LME49810 with a pair of Jfet source followers at the input?
  37. Elector amplifiers articles
  38. Articles from Hi Fi News Mid 1980s
  39. Help with Kenwood M2A
  40. Arcam Alpha 8 DC offset adjustment
  41. Trimpot on 2SK170 for matching on a Pacific Phono Stage
  42. Standing current through ungapped choke
  43. Recommended Amps (clones included)
  44. NAD 565BEE
  45. dull sound, but flat frequency response up to 20kHz
  46. Parasound halo a23 removable bottom cover?
  47. Help me to understand this phono pre;
  48. Paralleing Lateral mosfets and source resistors required?
  49. My first build: DoZ
  50. My First Amplifier Design
  51. ADCOM GFA555II Static Pop
  52. Behringer A500 Supply Rail Voltage.
  53. Advantages of Power Cords with braided Shield for high Power Solid State Power Amps
  54. Rotel RX-845 Burning Resistors
  55. 75w Vmos Amplifier (le haut parleur n1739)
  56. 40w audio amplifier
  57. Where do you buy your components?
  58. quad 405 mono block bodge up
  59. Please help troubleshoot my HEXFET amplifier
  60. Thule IA60B restoring/tweaking
  61. Sony TA-5650 V-Fet making it sound even better...
  62. Filter Capacitor Ventialtion?
  63. Mystery component in a Classe power amp
  64. Connector Help
  65. parasound halo a23 ps cap size dimentions needed please!
  66. right channel brighter than left - Pioneer SX680
  67. TGM9 - my version of the JLH '69 Class A amplifier
  68. Why having diodes from output to rail in OPS?
  69. Changing tone characteristics on amp board
  70. Fetulele Amp
  71. convert sugden a88 to power amp
  72. Musical Fidelity Synthesis
  73. Help to convert these Lat-Fet amp to Toshhiba mosfet
  74. Need a little help with amplifier protection circuit problem
  75. Please comment on this IPS/VAS design
  76. Class "A" Solid State
  77. Denon DRA-335r problems
  78. Adcom GFA-5300 rebuild, manual needed, parts upgrades?
  79. Reservoir in Electrocompaniet otala amplifier
  80. Lateral MOSFET amplifier project
  81. TDA7297 output
  82. Help me repair my Hafler DH500?
  83. Info and spec needed for Harrison 1200
  84. Please help denon avr 1804 5.1 not working
  85. marantz like pre-amp
  86. Crest amplifier repair
  87. I need help, how to charge to renovate sophisticated Solid State amplifiers
  88. Crest Pro9200
  89. Brass PCB stanoff size
  90. Harman Kardon AVR 130 (Channel 7 problem)
  91. HELP....Perreaux SA2 noisy phono section
  92. Bryston 7B SST (7 B SST, 7BSST) - Why is sound quality not good ?
  93. Help needed with transistor substitution
  94. Strange Waveform
  95. NAD L40 CD Problem
  96. bypassing rear gain pots on parasound halo a 23 amp
  97. Using LME49713 for preamp, large DC offset
  98. Creek 4140s2
  99. insulator fo audio ic
  100. RIAA preamp project
  101. HELP!! SA800 Pro amp not working
  102. transistor
  103. Convert stereo to mono?
  104. Troubleshooting help
  105. NAD 2100 won't go into bridged mode
  106. volume pot and input impedance issues with LME49830
  107. Kenwood KA-8006 restoration?
  108. anyone seen one of these?
  109. Akai AA-6100
  110. BF245C those who built it?
  111. Toshiba sa-400
  112. ADCOM GFA-5500 bridging ??
  113. Roksan Kandy KA1
  114. help me building this 2n3055 amplifier
  115. Absolute Polarity Question
  116. AQUARIUS AMPLIFIR
  117. Another Hafler 220
  118. Pioneer SA-608 phono stage hum
  119. Bedini 100/100 (802mod) high DC offset problem
  120. Help Identifying Zener? diodes in 1985 Accuphuse Amp
  121. ZCA amplifier question.
  122. Putting a super light phono amp inside the tonearm?
  123. Roland SRA 540
  124. First time DIY'er - Mono Amps
  125. Combined Mic + Line preamp - Single gain control?
  126. HK avr645 Display Lights of death
  127. Arcam 6 Plus Amplifier Repair
  128. Help a noob out- NAD3020 and system compatability questions :)
  129. Superphon Revelation Basic volume pots
  130. Help me understand mono BTL power math?
  131. Delco DTS 410 output transistors
  132. Arcam A65+ high DC offset and thump sound, help please.
  133. Optonica SM-4646 Recap?
  134. DIY power amp 250 - 300W @ 4Ohm
  135. Please comment on my OPS design
  136. Question about recapping amp
  137. How can I substitute a STK00xx darlington power pack with a transistor based circuit?
  138. Transformer influence
  139. Little Angel Power Amplifier
  140. Need suggestion of power supply filters
  141. Need Mitsubishi DA-R10 manual
  142. How do I adapt vintage amp for new spades
  143. Nad 3120 Recap results
  144. Looking for a design recommendation for an AB amp.
  145. Inexpensive Chinese audio boards
  146. NAD C315BEE Buzz, replaced capacitors, now new kind of buzz
  147. The filtering of the preamp with the PGA2310 project
  148. Is there any reason why people don't use darlington power transistor?
  149. Rega brio bias setting
  150. Op-Amp Phono Pre
  151. 62-0-62 volt power transformer: options?
  152. MONO Fun
  153. Choosing a power transformer
  154. Another Sony DE375 Broken (2SD1513 no voltage)
  155. Cary solid state amp repair
  156. easy SAP17N
  157. Does anyone have a pair of 2SD555's they'd part with?
  158. Cyrus 2 output transistors
  159. A little nudge in the right direction.
  160. Bias effect dB?
  161. How to clean up the inside of amp?
  162. Help me choose a vintage amp to restore
  163. V8 input board recap - re voltage regulator
  164. Adcom GFA-2 recap....should I replace rectifiers/snubber caps???
  165. Question on parts for a new build
  166. Looking for Battery Wiring for Diagram for NEW class A DCA33
  167. Mosfet Short, capacitor problem?
  168. taxi radio interferance on Leak 2000 tuneramp
  169. Need a preamp for a beautiful Sony TA-3200F
  170. wilson sziklai pair MODULE
  171. Parasound HCA 2200 mark ii problem
  172. High End 120W Mosfet IC driven amp
  173. Terminating AC Power Cord's Ground Via Resistor, Thoughts?
  174. AD846AN (AD-846 AN) as Front End in Power Amplifiers
  175. Harman Kardon PM665 Vxi Operating Mode
  176. Citation 16 Series A Capacitor Replacement.
  177. Help on deciding the topology of the design.
  178. Surface mount diode identification required
  179. Bss fds388
  180. Increasing Power Output of Amplifier
  181. After defect, one channel oscillates
  182. Classic NAIM diy?
  183. Subwoofer sound degrading - electronics fix?
  184. REVISION OF Very Best Amplifier ... 2015
  185. Linn Intek emitter resistors
  186. Did I go overboard on this power supply?
  187. Question on Thermal Track BJT in parallel application.
  188. Sugden a88/a48 pot values
  189. NAKAMICHI IA-2 AMP HELP
  190. 'Sandwich' power transformers between 2 heatsinks
  191. Transformer voltage info needed
  192. Setting bias on Zen headphone amp
  193. gold aero db45 phono stage output DC offset
  194. IRF530 Linear POwer Amplifier AN948 Recommended IR Circuit
  195. Op-Amp Buffer into 1073?
  196. My Onkyo-LJM L20 Project.
  197. Help me debug this
  198. Passive ducted heat sink?
  199. Amplifier Clicking Problem
  200. NAD 7020 noise on left power amp
  201. citation 12 questions
  202. pionner QA-800A
  203. pionner QA-800A
  204. Compare the sound between BJT and MOSFET OPS
  205. Schematics for Boston MCS130 Subwoofer Amp
  206. Help with NAD3020 DC Offset Problem - Please!
  207. DC servo introduces more odd harmonics
  208. Refurbished Krell KSA 100
  209. How to tell the positive and nagative pole?
  210. Buzz in a vintage amp
  211. need soundcraftsmen pcr800 schematics
  212. MJ15022/24 vs. MJ21193/94
  213. Help repairing Phase Linear Series II Model 200
  214. Is a solar (or room light) powered tweeter amp possible?
  215. Soft Start / Missing Cycle Detector / On-Off Mute Controller
  216. Hafler DH300 - Interesting Bridged DH200
  217. I've written a complete guide to building your own Leach Amp 200Wx2 in 2U rack mount
  218. AB international precedent 1450 rail voltage?
  219. What Is The Minimum Current For TO-126 Driver?
  220. Lazy Cat's Output Stage
  221. JVC A-x40 service manual
  222. Caver PM Repair
  223. Audio Sensing 2.1 Amp / Board / Kit?
  224. Any way to improve the mid range of a power amp?
  225. Cambridge Audio Azur 640A V2 Left Channel Over Drive.
  226. DC Offset Question
  227. How to measure mismatched channels on an amplifier?
  228. Bridging tube amp combo with Solid state power amp
  229. Suggestion for buiding a selector box to drive power amp.
  230. Crown DC-300A voltage conversion question
  231. High power Quad 405 experiment 390W into 1 Ohm
  232. Nelson Pass amp
  233. POC amplifier
  234. What Temperature Set Do You Use In Simulation?
  235. How to bias the 2sc5171 drivers into class A?
  236. Rule of thumb for wattage?
  237. +57 Amp
  238. Need a quick hand with a Pioneer SA-700
  239. Output Transistor faulty
  240. Hi! New here.
  241. Repairing a Yamaha RX-V590 Receiver.
  242. First DIY power amp
  243. When Is A Simple Resistor Not Good Enough To Bias a LATFET?
  244. 7vdc on speaker outputs!!
  245. Help needed please on identifying accuphase diodes in P500
  246. A few questions about new amp project
  247. What wattage AMP would I need for this audio system?
  248. Marantz PM 40SE Fault
  249. When power on, no click sound.
  250. 32 opamps in 50mm square buffer

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