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  1. Which of these Toroidals?
  2. Service manual search driving me INSANE!
  3. Biasing Question
  4. TO-3P mounting options
  5. Troubleshooting advice
  6. Heatsinks - What is the best way to mount?
  7. MS50 Mhavskie Amplifier 100 watts
  8. Nelson Pass' Easy Peasy MOSFET Vgs Measurement
  9. quasi complementary amplifier 2n3055 pcb
  10. Akai aa-m3 power not working
  11. Which amp should I get?
  12. Amp for my passive Monitor
  13. source follower capacitence ?
  14. Wiring the input ground in various ways. Here are the results.
  15. EAW CAZ 2500 any reviews
  16. Class a build suggestions
  17. Transformer coupled power amplifier biasing
  18. Apex AX6 Modification
  19. Latest project 75WRMS lateral mosfet To3 amplifier
  20. Common Emitter OPS?
  21. heatsinking sanity check - eliminate insulators?
  22. Quasi complimentary MOSFET amplifier
  23. Mosfet-based replacement for loudspeakers relays
  24. NAD 7225PE - Blows outputs after repair, question about installing emitter resistors
  25. unknown Amp
  26. B&K ST-202+ Repair
  27. Adcom GFA 5300 - Bad caps?
  28. End Of Life: Sanyo / ON_Semi 2SC6043 + 2SA2127 350 MHz 1 watt TO92-LongBody
  29. New RCA's in a Hafler DH-500
  30. Noob needs help - Amp confusion & ground loop?
  31. What happens when I use two outputs on a single speaker?
  32. Looking for an amplifier kit (for a pair of 2x22v 300VA transformers)
  33. Arcam Alpha 7 Amp 24v UK - blown internal fuse
  34. 150 volt Rails how Big caps Are ideal
  35. 120W/4R Class A+
  36. Q about quasi-complementary push-pull: pnp, bandaxall diode, C-B cap, emitter res
  37. Mark Levinson ML-9 bias
  38. Power Cap Not Dissipating Charge
  39. DIY or 'Mod-able' Amp Suggestions
  40. Is this a normal DC servo?
  41. Sony T-N86B Output Transistor Source?
  42. Simple DC protect
  43. Polk Audio psw300 schematic?
  44. John Bedini
  45. Apex NX14 (16) good sound
  46. Best sounding 50 watt amps? on a budget
  47. Sanken A1673/C4388 transistors
  48. Pioneer spec-4 no speaker relay
  49. Grundig Studio RPC amplifier need help
  50. Problem with Mcintosh MC2200
  51. Adcom GFA 5500 Capacitor Shop
  52. Does anyone of the schematic for Martin Logain Dynamo amps?
  53. 500 Watt Amplifier
  54. long-tail-pair demon?
  55. NAD 325BEE won't power up
  56. NAD 214 no idle current
  57. dynacord amps 600/1000/1600 repair help.
  58. Clipping indicator
  59. Volume pot rustles. Should I try better pot or change topology?
  60. 2SA1494/2SC3858 reputable supplier.
  61. Hafler DH200 capacitors
  62. 700 watt Power Amplifier
  63. Heathkit AA-1800
  64. Marantz 2238B hum
  65. Feeding separate Stereo and AV preamps into a SINGLE pair of active speakers
  66. Wanted Pioneer VSX-322-K Amplifier/Receiver Service Manual
  67. 2n3055 mj2955 amplifier "kit"
  68. Speaker Terminal holes thro' metal panels
  69. Adcom made in Japan?
  70. Kenwood KA-4006 upgraded with Burson V4 Opamp
  71. Need help understanding a curious little amplifier
  72. Marantz SR 18 No Sound or Relay Click
  73. Looking for replacement Zener for a Yamaha A-960
  74. hfe Parameters
  75. DIY solid state amp
  76. TLV431 for push-pull biasing instead of Vbe multiplier
  77. Help with Nad 216thx.
  78. DEQ2496 & DCX2496 turn on transients
  79. Problem with Bryston 3B
  80. Sony TA-5650 voltage doubler mod?
  81. Mira 2000 Amp overheating
  82. What happens when you short a SS amp output?
  83. Major difference between class A and class AB output (and proper AB biasing)
  84. preamp/predrive noise
  85. Son Of Ampzilla
  86. electrohome planar sr-2100 stereo receiver with sj5564 power transistors
  87. Wishing a class A
  88. Yamaha amplifier/receiver hierarchy?
  89. Old amps: Have you checked your amps reservoir caps internal resistance?
  90. autorouter gone crazy ? (yamaha amp pcb layout)
  91. Marantz 2245 engraved bias issue
  92. Low voltage ZVN4306A vs IRF5xx/6xx is class A. Do SPICE lie to me?
  93. Creek Destiny Amp Standby Problem
  94. Krell KSA 50 Fan
  95. Multi channel home theater amp?
  96. Crown D-75
  97. I need service manual and a schematic of Electrocompaniet AW250R
  98. Marantz MA500 Amp--sound cuts in and out above 25% volume, followed by blown fuse
  99. M5220L replacement
  100. Mark Levinson No 532H Turn Off Noise
  101. Sansui A-80 replace power stages
  102. solid state diy amp 20-30w high quality
  103. Elektor's LM317 Class "A" amplifier
  104. Measuring the Early voltage "VA" of some PNPs at 8mA
  105. How to check the AC response of a common mode feedback circuit (spice)?
  106. Yamaha DSP-AX2 - no sound from center in DSP-mode
  107. Hitachi HCA-7500MKII Treble Pot
  108. fIIO X1
  109. HK990 right channel runs hotter
  110. pioneer sx-650
  111. Krell KSA200S Main Cap blown
  112. Noise I can't explain
  113. Preamp main outputs
  114. Technics SU-V6 Venting PS Caps
  115. Sledgehammer to crack a Lightspeed walnut
  116. Receiver Power Upgrade, itīs possible?
  117. Grounding question
  118. Pioneer SA 8500 (KCU} model
  119. Harmon Kardon HK990 Vxi Pot
  120. Dumb question on output impedance
  121. Need data on PRF6s21100hs
  122. Phono stage from the past ....
  123. Marantz 2600
  124. SCS 2350/ Hafler copy
  125. How much Gain in this tone/preamp section
  126. Rotel RSX 1055 Repair Help
  127. Harman Kardon HK 750 trouble with phono equalizer
  128. Hiraga super 30 watt with kubota regulator
  129. Harmon Kardon HK990 Vxi
  130. Need help understanding AC187/AC188 radio amp circuit
  131. Break ground loop with diodes
  132. Help eliminating pop from subwoofer
  133. Power Transistor Insulation
  134. JFET MM/MC Phono Preamp
  135. 2SC5200 & 2SA1943 Manufacturers
  136. Help Adjusting bias on Sony TA-5650
  137. Another Cyrus 3 problem
  138. Hafler P3000 rebuild
  139. NAD3045 and NAD3060 aervice manual needed
  140. NAD3045 and NAD3060 service manual needed
  141. Tin of FETs headphone amplifier
  142. Crown DC-300A II Restore with Measurements
  143. USA supplier of R-core transformers?
  144. NAD receiver digital input noise
  145. Very HQ power amplifier (Assemblage VII)
  146. Juma's Easy-Peasy Capacitance Multiplier
  147. Mosfets Blown?
  148. Troubleshooting help needed
  149. PGA2310 test at 500Hz
  150. Rotel RX-800 inside button! What does it do?
  151. Strange distortion in my MiniDSP active xo system
  152. DIY Monoblock Amps
  153. Push-Pull Amplifier with Germanium Transistors
  154. beautiful Italian amplifier with Sanken
  155. Optimum class AB bias current (again)
  156. RILEY XB 30 combo
  157. No voltage at bias adjust terminal!? NAD 214
  158. CYRUS 3 problem ???
  159. M-Audio M3-8 active speakers modification
  160. Technics SV-Z1 (Not Powering ON!!!)
  161. Interpret DF test results for me
  162. Help with reverse-engineering of Phonic amp.
  163. A diamond paradox?
  164. Looking for Altec Lansing 2204A-SP schematics
  165. Mark Levinson ML-9 transformer noise
  166. Sony TA-N55ES Amplifier help requested
  167. Mow Audio MX-8000 amplifier
  168. Designing a 4 way active crossover filter
  169. Fully symmetrical quasi complimentary MOSFET buffer
  170. Hafler DH 200 Noise on R/H channel
  171. V6 amplifier
  172. Potentiometer resistor?
  173. Sansui A-2000
  174. Pro Amp Mods
  175. Preamp Gain
  176. strange ground loop
  177. Transistors Comparison
  178. Coupling caps in the power amp input
  179. About a vas circuit
  180. NAD 7240pe - all output transistors failed?
  181. jvc ax-411 repair help
  182. Fixed Gain, Adjustable Output Impedance Power Amp?
  183. USB DAC combined with "The Wire" headphone amp - An applology
  184. Balanced vs Dual Mono
  185. Tips on first amp design
  186. Apex class h amplifie
  187. Passive crossover in power amp chassis
  188. High DC offset with loud volume problem
  189. Xls 602 fault lights
  190. Dead Channel Amp
  191. Replacement for Yamaha 2SK100?
  192. ESP P68 problem.
  193. Cyrus 1 owner Cracking up...please help me
  194. Sinclair Radionics
  195. Luxman L85V output transistors
  196. Question about a preamp circuit
  197. Help me connect a suppression capacitor
  198. NAD 7240 PE receiver acting up
  199. Accuphase E202 Transistor Recommendations
  200. Sansui AU-11000 Offset Balance Pot.
  201. 115 watts mosfet schematic need
  202. Pioneer M-22 class A amp mistake in service manual?
  203. SS amp - must have speaker connected?
  204. Modify tone control on Pioneer SX-1080
  205. Building my first amplifier!!
  206. Adcom GFA-545 Repair
  207. 2SJ162 hitachi mosfet junction to case
  208. 1st power amp build .. 100Hz buzz .. hmmm
  209. oscillation DAS P900
  210. Crown CT800 one channel screwed up help
  211. Pioneer SA-9500II developed an issue?
  212. Low Volume in Sansui AU-101
  213. Trio TK250t transistor problem
  214. Technics SU-V40 No left channel
  215. IRFBC20 LTspice Model
  216. Power amplifier for Creek 4330?
  217. Amps and transformer voltage
  218. Ideal diode circuit dc offset question
  219. Building blocks for simple Class A
  220. F6 - Transistors and JFETs - same values for F6 and F5?
  221. Mosfet testing questions
  222. JVC Gm Vol Reg oscillates in LTSpice, please help to tame it
  223. Solid State Push Pull Receiver?
  224. Crown IC-150 wire question
  225. Kenwood KR 4070 Hum in one channel
  226. How to optimal change voltage gain in PA
  227. Mounting TO-3 Transistors, thermal compound or insulators?
  228. crossover active
  229. using zener diodes to clamp voltage?
  230. LTSPICE model for your BF862 JFETs
  231. Some Early Power Amps
  232. I tried routing P27 Preamp
  233. replacement transformer
  234. Trouble with simple Bi-amp circuit
  235. Help on converting EC Ampliwire II to Mono
  236. Building my own Power Amp
  237. mx40 vs mx50 which one is better sound for 50 Watt 8 Ohm
  238. LJM L20 V9.0 Amplifier
  239. Sony SA-IF70 Powered IR Speaker MOD
  240. Preamp Schematic - Need help
  241. Optically isolated thermaltrak bias spreader
  242. Marantz PM8005
  243. FX9 change
  244. Adcom GFA 555 left channel static and low aplification
  245. Can someone break me down on something...
  246. Output protection
  247. Output bias just keep keeps creeping up
  248. Megatech P3500
  249. Marantz MA5 - need help
  250. Luxman L3 38VDC On Speaker Output?

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