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  1. Integrated Amp repair / conversion
  2. 2SA1102 vs 2SA1104 with 2SC2577
  3. ST151 100W AMP
  4. Cheating with microphone calibration
  5. DIY Amp
  6. PASS ALEPH 0s Capacitors replacement
  7. Marantz PM-440 service manual needed please!
  8. solid state ...forum people
  9. KSA 250 HELP!!!
  10. GFA-535 Brown gunk on output board
  11. Yet another broken NAD 3020 thread
  12. OCM 500 power amp - I need a copy of owner's manual...
  13. Need schematic KEF 25B sub amp SP2298
  14. nad 3020 overhaul/mod questions
  15. what opamp for lowpass filter?
  16. Non-complementary class AB linearized amp
  17. Speaker Protection Board Input Voltage Handling
  18. Power supply for balanced input stereo amplifier
  19. Transistor role in amplifier ? Properties
  20. RG59 for interconnect ( disscusion )
  21. DIY IMD Analyzer
  22. sprint pcb software
  23. 20W Blameless Class A
  24. Replacement Transformer for Quad 405
  25. Can anyone ID this amp? (there's no prize)
  26. Help finding service manual for cambridge 640r
  27. Sansui AU555
  28. hep, Parasound pfet 900II
  29. Ribbon poweramplifier
  30. Are you interested to improve cheap amplified speaker?
  31. Optimos - My Version
  32. APSA - The Analog Sound Processing Amplifier
  33. Cyrus 2 No balance
  34. Yamaha M60 modifications?
  35. Replacement for Motorola MPS-U10?
  36. 20KW POWER AMP SCHEMATIC
  37. Bi-amping with 2 integrated amplifiers
  38. Harmon Kardon HK560 repair
  39. Bose 1800: DC Offset Issues
  40. Power mosfet DIY topologies of tube ampli Single-ended
  41. Discrete or IC regulation power supply
  42. Federmann preamplifier
  43. ATI 1502 two-channel stereo Power amplifier
  44. Conditioning, Hipotting (Hi-Pot) Film Capacitors
  45. Updating Leach FET preamp: New transistors?????
  46. NAP90 Distortion Problem
  47. HK 770 pwr amp input caps - Replacement suggestions
  48. Velodyne ct-80 project
  49. Musical Fidelity transistors SM8605 SM8610
  50. Help understanding amplifier diagram.
  51. Improving Technics SU-8080
  52. Power Amp PCB Power distribution
  53. Parasound amps...
  54. Input impedance-Balanced operation
  55. Amplifiers: Building Vs Buying
  56. Roender's FC-100 prototype and builder's thread
  57. Amp for 16 ohm headphones (MDR-EX71SL)?
  58. Rockford boosted rail amplifier
  59. Questions about Transistors with high beta (hfe) up to 3000 without Darl.-Topology
  60. High Power Amplifier
  61. Powering Opamps???
  62. Fixing the dead Luxman R-117: need some help.
  63. Clean amplifier P8W4R, P4W8R
  64. [NEWBIE]Amplifier Design[NEWBIE]
  65. CM Labs CC-2 Preamp Repair/Upgrade
  66. SWTPC Repair/Upgrade
  67. Levinson ML-2 Cap Upgrade Audio- and Regulator card
  68. Turn on pre driver stage first or output stage first??
  69. Amplifier mains hum help
  70. NAD C372 Leaking Capacitors???? Help Please!
  71. Crossover distortion in push-pull
  72. Please recommend an amazing amp for beginner :)
  73. Front End DC Operating Point Current Magnitudes
  74. upc1237 supply question
  75. recommended 200-300watts / channel amplifier for HT?
  76. Krell Schematics for FPB series available on CD-ROM
  77. Modding Dayens Ampino
  78. Cambridge Audio P55 Schematic
  79. Mr Gromer LNA-1 opamp - 2SC2239BL equivalent
  80. Help needed for Adcom gfp-1A preamp
  81. Inkel MA920 CIRCUIT
  82. No heat sinks!
  83. HH electronic V-S Bassamp, diagram wanted
  84. Amplifier Transistor Replacement Help
  85. Part sub for MOSFET gurus
  86. Nakamichi SR-4A Idle Current Procedure
  87. Replacement Volume Control For Marantz PM 66 KI
  88. RCA Power Transistors BD750, BD751, BD550, BD550A, BD550B Data Sheet wanted
  89. Can a heatsink be too big?
  90. MARANTZ 2500 250w/ch receiver
  91. Threshold 800A amplifier versions
  92. circuit diagram for cambridge A70 power amp
  93. Self-cascoding, a tool for creating ultra high voltage building blocks:
  94. CC-CB cascade variations
  95. cheap big binding posts for metal chassis
  96. Luxman LV103u replacing output FET's
  97. Luxman L85V - Replace 2SA679-NTE280/81
  98. crow d150
  99. Behringer BXL900 Schematic needeed!
  100. sony ta-fb940r qs,left channel hardly there.
  101. HAL PREAMPLIFIERS
  102. Ebay kit diamond differential power amp
  103. High input impedance BJT preamplifer
  104. How to Bypass Relay on Sub Amp?
  105. Bandpass filters in audio circuit of communications receiver?
  106. Sony TA-313 vs Sony TA-F4A........which one???
  107. Help me identify the damage. Tivoli Model 1
  108. Mission Cyrus One - Volume Help Needed
  109. Troubleshooting a Denon 3802
  110. Hello! a few questions on the JLH 1969
  111. Buying a NAD 3020 in the seventies
  112. Sony STR-DE897 receiver - No power
  113. op-amp what voltage to use?
  114. Buzz diminishing with raised volume?
  115. Rod Elliot P3A Layout - Critics
  116. Another free PCB project: JLH headphone amplifier
  117. should i have a dc voltage across my spring rev. input?
  118. Interesting Site
  119. yamaha CA-510 amplifier power supply issue
  120. Hill Audio Multimix
  121. Diagnosing & Fixing a Ground Problem
  122. james bongiorno Amp. question
  123. Abnormal Clipping Need Help~~~
  124. Anyone else using an older flagship receiver for active amplification?
  125. RCA stav - 3990 powering off
  126. help:schematics for a Denon SA-3350 int amp
  127. Leak Stereo 30 Overhaul... Worth it?
  128. Solid State Amplifier - Overview of all Canadian Companies wanted
  129. Linear Audio Inc. - currently Website wanted
  130. Arcam Alpha 9p blowing fuse
  131. Burnt power transistor
  132. SE Mosfet line stage with transformer output
  133. Please help me troubleshoot Niles Audio SI-1230 12 channel amp
  134. Help A Dummy: in simple language please.
  135. don't try this AMP at home
  136. Resistor Identification Help
  137. Suggestions to replace ?
  138. composit amplifier NE5534 swap
  139. JFET Phono Pre-amp clipping
  140. very heavy J-fet
  141. Switch to run a pair of speakers from 2 amps
  142. Dr. Leach Amplifier (commercially being sold?)
  143. A760II schematic needed
  144. question about germanium based amps
  145. A certain HAL Amplifier
  146. help split power supply
  147. Zero negative feedback
  148. pioneer a 88x can it be tweeked ??
  149. Multiple transistor heat dissipation.
  150. CXA1297P Specs
  151. Hawksford cascode experiences please
  152. Mute Logic for LDR volume control
  153. Amplifier project
  154. Substitute for BUK437 MOSFET
  155. How do i calculate the impedance?
  156. Static on Right Channel Realistic SPA-100
  157. 2sa970 - 2SC2240 replacement in SOT23 ?
  158. Bryston 2B, buzz.
  159. Australian Mosfet amplifier
  160. Is the PCB ok?...
  161. Marantz SR4120 not holding station presets
  162. bk st-140 burned resistors
  163. Pioneer SX-424 QUestions!
  164. Disturbing noise from a channel!!
  165. Heatsink top quality!
  166. help with mic preamp
  167. New to this... modded Acurus A250 w/issues
  168. Help cannot identify Amplifier Power transistor
  169. Problem with Fender Frontman 212R amp
  170. Unique way of muting for thump prevention, outside audio path.
  171. Schematics of Luxman L-505u?
  172. 2sc2240 as 2sc458 replacement
  173. Dx MkIII boards.
  174. Need schematic for Denon pma 250
  175. CFP Buffer
  176. Electrocompaniet aw-100dmb
  177. LM1877
  178. Fisher Amplifier Question
  179. What is difference between two circuits
  180. Measuring caps without ESR
  181. dx amp 33v psu
  182. Crown psa-2 Problem
  183. DC servo
  184. "Inverted" (not 'Inverting') Output Stage
  185. Rega Elex problem pointer
  186. Rega Mira Clamshell ~ circuit required
  187. Faulty HH Electronics MXA100
  188. Exicon lateral MOSFETs
  189. ESS Preamp + Amp Repairs Question?
  190. Amp repair help
  191. Halcro
  192. Hafler DH 500
  193. QUAD 520f dc offset
  194. Twin mono by combining stereo outputs
  195. "State-Of-MOS": 200W Ultra Low Distortion Pure FET Amplifier
  196. New project....Sony STR6065, Schematics needed!
  197. My JLH-2005
  198. Carver M-500t repair help.
  199. portable ipod dock question
  200. Phase Linear 300 (series2) output transistors.
  201. Coupling caps on long wires
  202. need help akai aa 1200 reciever
  203. What kind of BGW's final amp. module, is this ?
  204. clean 11 Vrms for 600ohm load
  205. JBL 5234A vs 5234 Frequency dividing networks
  206. AMPLIFIER beginner questions..
  207. Neg Rail on JLH Amp Output
  208. Fet based phase splitter?
  209. boom box idea
  210. NAD P2100 amp with power envelope
  211. output transformer for on solid state dual channel for THD reduction
  212. 5.1 amplifier speaker protection
  213. Chevin Research A1000 schematic required.
  214. Who can give me a version of filter pro 2.0
  215. My invention ? Did I invent this amp ?
  216. Help needed: speaker internal amp blows fuse
  217. Budget DIY Pre-amp with MP3 Player (and FM Tuner)
  218. Overview of Solid State Amplifier Brands from where it is impossible to get Schematic
  219. Overview of all Solid State Amplifier Brands, where are SM's/Schematics available
  220. Nad 3020 Modification from 1982
  221. O2 power on trouble
  222. Leach amp powering up trouble
  223. Arcam Alpha 5 Amp - Replace Alps Switch Button
  224. Rewiring transformer on a McCormack dna for 220v
  225. PS 2 Input Components ..
  226. Re: Re-adjust the Bias of Power Amp
  227. Hissing amplifier (in Meridian M10s) help, please.
  228. Can I increase capacitance on these TONE BOARD caps?
  229. Class D amp modules
  230. PS Audio 100C care, feeding, speaker cables?
  231. Home Theater Receiver crossover network
  232. Looking for SAE items to purchase
  233. L20 V8
  234. Creek 4040s1 strong buzz in one channel
  235. 12 Watt amp, guidance required
  236. Nakamichi CA-7A Clicking sound
  237. where to buy?
  238. Here's a challenge....
  239. left channel won't work on JVC integrated amp
  240. KRELL FBP 200
  241. Stereo IC amplifier for better quality?
  242. Mini Class-A SE amplifier needed
  243. BJT, MOSFET or JFET? Which sound better in class-A
  244. F2J schematic needed
  245. Help wit hk 3490
  246. Behringer EP1500 w/ passive chassis?
  247. Sanken transistor meltdown
  248. LTspice Model incompatible ?
  249. Bootstrapping
  250. Determining the polarity of the speaker outputs on my amp.

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