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  1. No active load Amplifier
  2. Preamp??
  3. AX20 in progress with questions
  4. interference troubleshooting
  5. 12V high power Amp
  6. DIY AMP like Usher 1.5 Reference?
  7. Sony TA-5650, help needed, in final stage of restoration
  8. Rotel RB870BX dirty sound in bridged and only 1 channel works
  9. Electrocompaniet ECI-4 noisy input selection
  10. Share voltage ref between multiple channels?
  11. Adcom 5500 transformer hum
  12. Amp on perfboard with all components in a line - issues?
  13. Tandberg TR 2080 No Sound
  14. Recommend Amplifier Power for my PA 15" Woofer Speaker ?
  15. Spectral DMA-50 distorted output
  16. How to know if rca outputs are made for bass?
  17. 300w amplifier circuit help
  18. PSU in class D amplifier
  19. Preamp to Amp Connection
  20. doubt with APEX HV250
  21. pre-amp issues.
  22. Pioneer A-717
  23. Rotel RB-870BX, hum in left channel.
  24. Vincent SP997 monoblock help needed
  25. The "Godzilla" class AB amplifier
  26. need PCB for FH12 please
  27. Cascoded MOSFETs OPS for class D?
  28. Considering the Threshold 400A
  29. Amp adjust - Please HELP!
  30. I've Broken It
  31. Oddball Regulator in Sony Amp...
  32. Is this vishay MLCC good for compensation cap?
  33. Tweeters dead, scoped outputs of Denon amp. Can you give me advice?
  34. B & O amplifier repair - cascade fail help!
  35. Akai AM-2600 strange issues
  36. Ideal Biasing Current
  37. BGW 210
  38. Onkyo w/ DC at output
  39. All CFP preamplifier
  40. Improve amp stage Onkyo AV Reciever?
  41. Snail Power CA18 Professional Power Amplifier,Blown Fuse & Power Transistors shorted
  42. Biamp CPA130 for biamping
  43. Research into IGBT audio amplifier.
  44. Carver TFM-25
  45. Citation 12 amp issue
  46. Mark Levinson ML7 any experience..
  47. New complementary pairs
  48. ALPS Pots with loudness pin - Where to buy
  49. surround sound
  50. Lexicon MC8 7.1 bypass
  51. Does anyone have schematics for Streets/Bipolar 850 Amplifier?
  52. Amp Board Issue - Need Help
  53. Need help with B&k amp one channel low output
  54. Ground-centric VAS?
  55. Current drive amplifier?
  56. Loudspeaker Thump
  57. Low power High quality amp for driving a tweeter:ideas?
  58. Mission Cyrus Two - help identify what's wrong..
  59. Attaching transistors in twin monoblock configuration
  60. Increasing MOSFET amplifier output power - a VAS supply elevator
  61. Hiraga Le Monstre with battery?
  62. IGBT schematics
  63. Can class B sound good with no feedback?
  64. Pioneer SA-9500 Integrated amp tripping speaker protection
  65. Please help repair JVC A-X2
  66. Crown CE 2000 no output, no fault LEDs, power and signal LED on repair advice
  67. VSSA 5x5 SMD
  68. Bootstrapped amps. DX/Aksa/RCA/etc...
  69. "New" amp with germanium transitors (AD161/162)
  70. What can I build with a junkbox full of TIP31, LM324, and 10W power resistors?
  71. nikko NR 1019 protect
  72. TDA2030 replacement for guitar amp
  73. Help! Sony TA-F770ES mystery fault
  74. NAD 2140 Upgrade
  75. NAP-140 off eBay, component back to front.
  76. Technics SU-G50 - Blowing Fuses - looking for a schematic
  77. Chord SPM 900 very quiet - using correct cable?
  78. Douk HD1969
  79. NE5534 - 22pF on pin5,8 or pin2,6
  80. A Solid State Wiki
  81. Meter adjust what do i need?
  82. aiwa sa-p22 repair
  83. Need help understanding feedback loop
  84. 2SC5200 and 2SC5949 bias ratio
  85. Bedini 25/25
  86. LME49830
  87. Onkyo TX-890 "Spazing Out" When Cold
  88. Repair a Bryston 4B
  89. Looking for a bit of advice
  90. SPICE Saturated BJT
  91. About Ultra-LD Mk.4 amplifier
  92. New power supply chips, new measurements are needed
  93. Absolutely Idiotic Question !
  94. ARC D-52 advice
  95. please help me identify this 4B board
  96. Denon DRA-825r Treble potentionmeter
  97. roksan kandy mk3 service manual
  98. Naim amp and speaker Incompatibility/Dilemma?
  99. Roksan Kandy KA-1 MkIII cold start issues
  100. PSRR obviated by super regs per opamp??
  101. Low Power SS Amp Recommendations
  102. Amplifier LED's
  103. Advice on this heatsink please
  104. Amp starting trouble
  105. 150 Watts Power Amplifier
  106. JLH2003
  107. Harman Kardon 330A rebuild advice
  108. Amp comparable to the Marantz PM-68
  109. Frankenstein amp (Antronics, AKAI AM-06, DX amp)
  110. Amp plays audio for a moment then goes silent
  111. Which of these Toroidals?
  112. Service manual search driving me INSANE!
  113. Biasing Question
  114. TO-3P mounting options
  115. Troubleshooting advice
  116. Heatsinks - What is the best way to mount?
  117. MS50 Mhavskie Amplifier 100 watts
  118. Nelson Pass' Easy Peasy MOSFET Vgs Measurement
  119. quasi complementary amplifier 2n3055 pcb
  120. Akai aa-m3 power not working
  121. Which amp should I get?
  122. Amp for my passive Monitor
  123. source follower capacitence ?
  124. Wiring the input ground in various ways. Here are the results.
  125. EAW CAZ 2500 any reviews
  126. Class a build suggestions
  127. Transformer coupled power amplifier biasing
  128. Apex AX6 Modification
  129. Latest project 75WRMS lateral mosfet To3 amplifier
  130. Common Emitter OPS?
  131. heatsinking sanity check - eliminate insulators?
  132. Quasi complimentary MOSFET amplifier
  133. Mosfet-based replacement for loudspeakers relays
  134. NAD 7225PE - Blows outputs after repair, question about installing emitter resistors
  135. unknown Amp
  136. B&K ST-202+ Repair
  137. Adcom GFA 5300 - Bad caps?
  138. End Of Life: Sanyo / ON_Semi 2SC6043 + 2SA2127 350 MHz 1 watt TO92-LongBody
  139. New RCA's in a Hafler DH-500
  140. Noob needs help - Amp confusion & ground loop?
  141. What happens when I use two outputs on a single speaker?
  142. Looking for an amplifier kit (for a pair of 2x22v 300VA transformers)
  143. Arcam Alpha 7 Amp 24v UK - blown internal fuse
  144. 150 volt Rails how Big caps Are ideal
  145. 120W/4R Class A+
  146. Q about quasi-complementary push-pull: pnp, bandaxall diode, C-B cap, emitter res
  147. Mark Levinson ML-9 bias
  148. Power Cap Not Dissipating Charge
  149. DIY or 'Mod-able' Amp Suggestions
  150. Is this a normal DC servo?
  151. Sony T-N86B Output Transistor Source?
  152. Simple DC protect
  153. Polk Audio psw300 schematic?
  154. Apex NX14 (16) good sound
  155. Best sounding 50 watt amps? on a budget
  156. Sanken A1673/C4388 transistors
  157. Pioneer spec-4 no speaker relay
  158. Grundig Studio RPC amplifier need help
  159. Problem with Mcintosh MC2200
  160. Adcom GFA 5500 Capacitor Shop
  161. Does anyone of the schematic for Martin Logain Dynamo amps?
  162. 500 Watt Amplifier
  163. long-tail-pair demon?
  164. NAD 325BEE won't power up
  165. NAD 214 no idle current
  166. dynacord amps 600/1000/1600 repair help.
  167. Clipping indicator
  168. Volume pot rustles. Should I try better pot or change topology?
  169. 2SA1494/2SC3858 reputable supplier.
  170. Hafler DH200 capacitors
  171. 700 watt Power Amplifier
  172. Heathkit AA-1800
  173. Marantz 2238B hum
  174. Feeding separate Stereo and AV preamps into a SINGLE pair of active speakers
  175. Wanted Pioneer VSX-322-K Amplifier/Receiver Service Manual
  176. 2n3055 mj2955 amplifier "kit"
  177. Speaker Terminal holes thro' metal panels
  178. Adcom made in Japan?
  179. Kenwood KA-4006 upgraded with Burson V4 Opamp
  180. Need help understanding a curious little amplifier
  181. Marantz SR 18 No Sound or Relay Click
  182. Looking for replacement Zener for a Yamaha A-960
  183. hfe Parameters
  184. DIY solid state amp
  185. TLV431 for push-pull biasing instead of Vbe multiplier
  186. Help with Nad 216thx.
  187. DEQ2496 & DCX2496 turn on transients
  188. Problem with Bryston 3B
  189. Sony TA-5650 voltage doubler mod?
  190. Mira 2000 Amp overheating
  191. What happens when you short a SS amp output?
  192. Major difference between class A and class AB output (and proper AB biasing)
  193. preamp/predrive noise
  194. Son Of Ampzilla
  195. electrohome planar sr-2100 stereo receiver with sj5564 power transistors
  196. Wishing a class A
  197. Yamaha amplifier/receiver hierarchy?
  198. Old amps: Have you checked your amps reservoir caps internal resistance?
  199. autorouter gone crazy ? (yamaha amp pcb layout)
  200. Marantz 2245 engraved bias issue
  201. Low voltage ZVN4306A vs IRF5xx/6xx is class A. Do SPICE lie to me?
  202. Creek Destiny Amp Standby Problem
  203. Krell KSA 50 Fan
  204. Multi channel home theater amp?
  205. Crown D-75
  206. I need service manual and a schematic of Electrocompaniet AW250R
  207. Marantz MA500 Amp--sound cuts in and out above 25% volume, followed by blown fuse
  208. M5220L replacement
  209. Mark Levinson No 532H Turn Off Noise
  210. Sansui A-80 replace power stages
  211. solid state diy amp 20-30w high quality
  212. Elektor's LM317 Class "A" amplifier
  213. Measuring the Early voltage "VA" of some PNPs at 8mA
  214. How to check the AC response of a common mode feedback circuit (spice)?
  215. Yamaha DSP-AX2 - no sound from center in DSP-mode
  216. Hitachi HCA-7500MKII Treble Pot
  217. fIIO X1
  218. HK990 right channel runs hotter
  219. pioneer sx-650
  220. Krell KSA200S Main Cap blown
  221. Noise I can't explain
  222. Preamp main outputs
  223. Technics SU-V6 Venting PS Caps
  224. Sledgehammer to crack a Lightspeed walnut
  225. Receiver Power Upgrade, itīs possible?
  226. Grounding question
  227. Pioneer SA 8500 (KCU} model
  228. Harmon Kardon HK990 Vxi Pot
  229. Dumb question on output impedance
  230. Need data on PRF6s21100hs
  231. Phono stage from the past ....
  232. Marantz 2600
  233. SCS 2350/ Hafler copy
  234. How much Gain in this tone/preamp section
  235. Rotel RSX 1055 Repair Help
  236. Harman Kardon HK 750 trouble with phono equalizer
  237. Hiraga super 30 watt with kubota regulator
  238. Harmon Kardon HK990 Vxi
  239. Need help understanding AC187/AC188 radio amp circuit
  240. Break ground loop with diodes
  241. Help eliminating pop from subwoofer
  242. Power Transistor Insulation
  243. JFET MM/MC Phono Preamp
  244. 2SC5200 & 2SA1943 Manufacturers
  245. Help Adjusting bias on Sony TA-5650
  246. Another Cyrus 3 problem
  247. Hafler P3000 rebuild
  248. NAD3045 and NAD3060 aervice manual needed
  249. NAD3045 and NAD3060 service manual needed
  250. Tin of FETs headphone amplifier

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