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  1. "Vibrating" faceplate (actually has current) on vintage amplifier
  2. RIAA + IEC
  3. Amplifier with 220 input voltage vs 230 ?
  4. Parasound HCA-2200 problem - need some help
  5. Onkyo 805 - no sub output
  6. Celestion truvox 1020
  7. What to do with 4 little accurian amps??
  8. My amp is clipping with new speakers
  9. Is Audio GD C500 unity voltage gain.
  10. Selim's JLH Amp
  11. Someone able to ID some parts for me?
  12. New super pair?
  13. Which to choose?
  14. Connecting Powered PC Speakers To TV Headphone Jack, Need Amp - Help Please
  15. Differential pair questions
  16. weird DC offset at HF driving passive filter
  17. Yamaha c-80
  18. All FET JLH Class A
  19. Simpson-Sears Model RE-1205 schematic needed
  20. DC offset adjustment add-on
  21. Really clean medium power amp wanted
  22. AV1000 building
  23. Marantz PM-32
  24. Zen problem
  25. Newbie amp project power supply noise
  26. VINTAGE AMPLIFIERS ( The ultimate thread )
  27. Hafler 9505 amp Help
  28. coyote call ideas
  29. Need service manual for Accuphase E-303
  30. kenwood graphic equalizer GE 52
  31. Some help or a SM for PM-84 MK II
  32. Tivoli Model One - Internal fuse?
  33. Accuphase P600 problem
  34. Help with waveform on rails - looks unregulated
  35. Cyrus 3 help needed
  36. Help on op amps
  37. My HV opamp - Working suspiciously well
  38. Trying to Find MOSFETS D1975, B1317. HELP!
  39. Oppo 93NE to Marantz receiver.
  40. Sears RE-1205 AM/FM resever
  41. Darlington question
  42. Would you calculate and re-draw the circuit overcurrent protection ?
  43. New Class Aamplifier P18W1R
  44. Capacitor replacement / hiss advice
  45. Musical Fidelity P170 Bias
  46. Aaron Millenium 3, outputs tranzistors & quiescent current
  47. Pls Help - Sumo Polaris II
  48. Small Amp with 2 Inputs or More
  49. 2.1 Receivers Yamaha R-S500 vs. Harman Kardon HK-3490
  50. Need some help with Class A JLH power parameters
  51. Parasound ( John Curl ) 1206 upgrades?
  52. The Amp I use for my bass units
  53. Quad 405 linear PSU replacement with switcher.
  54. Luxman KV-105 crackling on one channel
  55. Measuring attack/release time of a compressor/limiter
  56. HAL SYMFET
  57. double sided thermal tape?
  58. Musical fidelity A100
  59. Upgrading/repairing vintage amps
  60. RIAA?
  61. Choke loaded MOSFET in circlotron??
  62. Help with DC on volume pot
  63. NIKKO Alpha 230 with a fan on top
  64. Output power of an average stereo system?
  65. How much power is the average Stereo?
  66. Soundcraftsmen A400 Schematic?
  67. Audionet AMP 1 idle current
  68. Accuphase p600
  69. Class H switching
  70. Sansui BA 5000 Loud pop at turn on / off
  71. New Project - Hybrid Amplifier High Quality
  72. arcam alpha 8 problem
  73. Playmaster Sixty-Sixty Stereo Amplifier SCHEMATIC
  74. looking for class AB amplifier schematic
  75. 1.4kW; is this crazy?
  76. Bias Adjustment on Bose 1800 Amplifier
  77. Two Amp Fire Balls... Please Tell Me Why
  78. No global feedback preamplifier
  79. x5 preamp circuit
  80. Simple Circlotron with power Mosfets
  81. Amp hum when RCA cable is connected
  82. Audio/video sync. Little help please?
  83. Class i and siblings
  84. Integrated Amp repair / conversion
  85. 2SA1102 vs 2SA1104 with 2SC2577
  86. ST151 100W AMP
  87. Cheating with microphone calibration
  88. DIY Amp
  89. PASS ALEPH 0s Capacitors replacement
  90. Marantz PM-440 service manual needed please!
  91. solid state ...forum people
  92. KSA 250 HELP!!!
  93. GFA-535 Brown gunk on output board
  94. Yet another broken NAD 3020 thread
  95. OCM 500 power amp - I need a copy of owner's manual...
  96. Need schematic KEF 25B sub amp SP2298
  97. nad 3020 overhaul/mod questions
  98. what opamp for lowpass filter?
  99. Non-complementary class AB linearized amp
  100. Speaker Protection Board Input Voltage Handling
  101. Power supply for balanced input stereo amplifier
  102. Transistor role in amplifier ? Properties
  103. RG59 for interconnect ( disscusion )
  104. DIY IMD Analyzer
  105. sprint pcb software
  106. 20W Blameless Class A
  107. Replacement Transformer for Quad 405
  108. Can anyone ID this amp? (there's no prize)
  109. Help finding service manual for cambridge 640r
  110. Sansui AU555
  111. hep, Parasound pfet 900II
  112. Ribbon poweramplifier
  113. Are you interested to improve cheap amplified speaker?
  114. Optimos - My Version
  115. APSA - The Analog Sound Processing Amplifier
  116. Cyrus 2 No balance
  117. Yamaha M60 modifications?
  118. Replacement for Motorola MPS-U10?
  119. 20KW POWER AMP SCHEMATIC
  120. Bi-amping with 2 integrated amplifiers
  121. Harmon Kardon HK560 repair
  122. Bose 1800: DC Offset Issues
  123. Power mosfet DIY topologies of tube ampli Single-ended
  124. Discrete or IC regulation power supply
  125. Federmann preamplifier
  126. ATI 1502 two-channel stereo Power amplifier
  127. Conditioning, Hipotting (Hi-Pot) Film Capacitors
  128. Updating Leach FET preamp: New transistors?????
  129. NAP90 Distortion Problem
  130. HK 770 pwr amp input caps - Replacement suggestions
  131. Velodyne ct-80 project
  132. Musical Fidelity transistors SM8605 SM8610
  133. Help understanding amplifier diagram.
  134. Improving Technics SU-8080
  135. Power Amp PCB Power distribution
  136. Parasound amps...
  137. Input impedance-Balanced operation
  138. Amplifiers: Building Vs Buying
  139. Roender's FC-100 prototype and builder's thread
  140. Amp for 16 ohm headphones (MDR-EX71SL)?
  141. Rockford boosted rail amplifier
  142. Questions about Transistors with high beta (hfe) up to 3000 without Darl.-Topology
  143. High Power Amplifier
  144. Powering Opamps???
  145. Fixing the dead Luxman R-117: need some help.
  146. Clean amplifier P8W4R, P4W8R
  147. [NEWBIE]Amplifier Design[NEWBIE]
  148. CM Labs CC-2 Preamp Repair/Upgrade
  149. SWTPC Repair/Upgrade
  150. Levinson ML-2 Cap Upgrade Audio- and Regulator card
  151. Turn on pre driver stage first or output stage first??
  152. Amplifier mains hum help
  153. NAD C372 Leaking Capacitors???? Help Please!
  154. Crossover distortion in push-pull
  155. Please recommend an amazing amp for beginner :)
  156. Front End DC Operating Point Current Magnitudes
  157. upc1237 supply question
  158. recommended 200-300watts / channel amplifier for HT?
  159. Krell Schematics for FPB series available on CD-ROM
  160. Modding Dayens Ampino
  161. Cambridge Audio P55 Schematic
  162. Mr Gromer LNA-1 opamp - 2SC2239BL equivalent
  163. Help needed for Adcom gfp-1A preamp
  164. Inkel MA920 CIRCUIT
  165. No heat sinks!
  166. Amplifier Transistor Replacement Help
  167. Part sub for MOSFET gurus
  168. Nakamichi SR-4A Idle Current Procedure
  169. Replacement Volume Control For Marantz PM 66 KI
  170. RCA Power Transistors BD750, BD751, BD550, BD550A, BD550B Data Sheet wanted
  171. Can a heatsink be too big?
  172. MARANTZ 2500 250w/ch receiver
  173. Threshold 800A amplifier versions
  174. circuit diagram for cambridge A70 power amp
  175. Self-cascoding, a tool for creating ultra high voltage building blocks:
  176. CC-CB cascade variations
  177. cheap big binding posts for metal chassis
  178. Luxman LV103u replacing output FET's
  179. Luxman L85V - Replace 2SA679-NTE280/81
  180. crow d150
  181. sony ta-fb940r qs,left channel hardly there.
  182. HAL PREAMPLIFIERS
  183. Ebay kit diamond differential power amp
  184. High input impedance BJT preamplifer
  185. How to Bypass Relay on Sub Amp?
  186. Bandpass filters in audio circuit of communications receiver?
  187. Sony TA-313 vs Sony TA-F4A........which one???
  188. Help me identify the damage. Tivoli Model 1
  189. Mission Cyrus One - Volume Help Needed
  190. Troubleshooting a Denon 3802
  191. Hello! a few questions on the JLH 1969
  192. Buying a NAD 3020 in the seventies
  193. Sony STR-DE897 receiver - No power
  194. op-amp what voltage to use?
  195. Buzz diminishing with raised volume?
  196. Rod Elliot P3A Layout - Critics
  197. Another free PCB project: JLH headphone amplifier
  198. should i have a dc voltage across my spring rev. input?
  199. Interesting Site
  200. yamaha CA-510 amplifier power supply issue
  201. Hill Audio Multimix
  202. Diagnosing & Fixing a Ground Problem
  203. james bongiorno Amp. question
  204. Abnormal Clipping Need Help~~~
  205. Anyone else using an older flagship receiver for active amplification?
  206. RCA stav - 3990 powering off
  207. help:schematics for a Denon SA-3350 int amp
  208. Leak Stereo 30 Overhaul... Worth it?
  209. Solid State Amplifier - Overview of all Canadian Companies wanted
  210. Linear Audio Inc. - currently Website wanted
  211. Arcam Alpha 9p blowing fuse
  212. Burnt power transistor
  213. SE Mosfet line stage with transformer output
  214. Please help me troubleshoot Niles Audio SI-1230 12 channel amp
  215. Help A Dummy: in simple language please.
  216. don't try this AMP at home
  217. Resistor Identification Help
  218. Suggestions to replace ?
  219. composit amplifier NE5534 swap
  220. JFET Phono Pre-amp clipping
  221. very heavy J-fet
  222. Switch to run a pair of speakers from 2 amps
  223. Dr. Leach Amplifier (commercially being sold?)
  224. A760II schematic needed
  225. question about germanium based amps
  226. A certain HAL Amplifier
  227. help split power supply
  228. Zero negative feedback
  229. pioneer a 88x can it be tweeked ??
  230. Multiple transistor heat dissipation.
  231. CXA1297P Specs
  232. Hawksford cascode experiences please
  233. Mute Logic for LDR volume control
  234. Amplifier project
  235. Substitute for BUK437 MOSFET
  236. How do i calculate the impedance?
  237. Static on Right Channel Realistic SPA-100
  238. 2sa970 - 2SC2240 replacement in SOT23 ?
  239. Bryston 2B, buzz.
  240. Australian Mosfet amplifier
  241. Is the PCB ok?...
  242. Marantz SR4120 not holding station presets
  243. bk st-140 burned resistors
  244. Pioneer SX-424 QUestions!
  245. Disturbing noise from a channel!!
  246. Heatsink top quality!
  247. Anyone fixed a Bose Wave Radio with no sound?
  248. help with mic preamp
  249. New to this... modded Acurus A250 w/issues
  250. Help cannot identify Amplifier Power transistor

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