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  1. HK 330A stereo lamp
  2. Poineer A-209R
  3. Help identify 20+ year old MOSFETs?
  4. NE5532 Issues
  5. HIRAGA LE CLASS A 30 W
  6. Amp draw, Class A vs AB, oh my?
  7. Grounding & Earthing connections
  8. DC offset issues - Help! - Dean GA40R
  9. Very high THD levels
  10. VAS power dissipation
  11. Differential VAS topology
  12. sx-Amp and nx-Amp
  13. stumped by distortion at moderate-high volume
  14. Quasi complementary OPS vs Complementary OPS
  15. STR-VA555ES quadraphonic mode
  16. Output transistor Re selection
  17. schematics amplifier skp max g 2400
  18. Soundstream DA-1 (Krell made) Repairs needed in Lexington KY
  19. Crown DC-300A II bandpass filter
  20. Bias Diode SV04F - Replacement through Vbe Multiplier (Sony TA-3650)
  21. DH-200/220 upgrade kit.
  22. Germanium to Silicon amp conversion
  23. Levinson ML-7A
  24. Fostex PM-1 Repairs Help Wanted ! Where is it ?
  25. Fostex PM-1 Repairs Help Wanted !
  26. dyna st 400
  27. Tivoli model one problem
  28. Amp + Crossover Recommendations?
  29. QSC Repair
  30. Mcintosh History
  31. Retro Amp 50W Single Supply
  32. Help troubleshooting AMP (DC protection)
  33. BUZ901/906
  34. Bad Crosstalk and RF interference Audio Innovations Alto amplifier
  35. 2SC5200 Power Amplifier
  36. LtSpice = Scruffy ?
  37. Tips for a New MKIII Hx build
  38. Dual O2-Inspired, SMT Headphone Amp
  39. cheap transistor Amp
  40. Stax CA-X -> CA-X Pro. Is it a crazy idea - or not?
  41. Biasing this SS amplifier (Trace-Elliot Super Tramp)
  42. AXL amp
  43. Amp comparable with “The Wire Amp”
  44. NAD C216 110v plugged in 220v
  45. help repair & modification to sony str k780
  46. JC-2 Clone +Vcc Problem...
  47. Amp design attempt number 2 (simpler)
  48. LUXMAN M-02 drivertransistors
  49. Troubleshooting a 3 Stage BJT Amp
  50. Dc offset
  51. Custom Console System
  52. le monstre input caps
  53. What parts do you use in a power amp or preamp?
  54. What FET to choose for HV source follower
  55. Hafler Dh200 What to do?
  56. Sony Receiver str-de805g one channel bad
  57. 1000W Simple PA Amplifier
  58. Transistor pre amp
  59. Krell KSA-150 DC adjustments
  60. Welded transformer stack- good, bad?
  61. Michael Kiwanuka's SOA PAper
  62. Amplifier with no speakers making sound
  63. cannot find circuit diagram for transistor
  64. Hiraga 20 w DC threat
  65. Stuck on Circuit Guitar Preamp LED mirror
  66. Reverse engineering a John Widgery Sondex/Radford SS amplifier.
  67. Randy Slone's multislope VI limiter
  68. Vintage Yamaha Pro amps - Cascoded sections
  69. Repairs for a B&K ST 140 amp
  70. Power Amplifier Circuit Topology according AD846
  71. power amplifier schema for use outdoor
  72. 2SK69 SPICE model?
  73. Opinions: Hypex vs. Holton
  74. Kenwood KA-405
  75. No NFB line amp (GainWire mk2)
  76. Wow & Flutter test 4 Amplifiers !
  77. Amp recommendation for wharfadale super 8 rs/dd
  78. Component Selection Help for DC Coupled Amp
  79. Getting rid of low level hum in Aragon 4004MKII
  80. Can someone assist me in understanding QSC's grounding scheme in their RMX amps?
  81. How is This Possible???
  82. hand making inductors
  83. Darlington VAS
  84. Kenwood KA-6100 BIAS issues
  85. Please help on Mark Levinson No 331 amp repair
  86. out door power amplifier
  87. Impedance matching in hybrid amp
  88. Asymmetrical Clipping in Modified JLH Output Stage
  89. Modifying Emitter Follower type I
  90. DIY tube alike sound, the magic coating....the hoax!
  91. Schematic for the amc 2n100-5 amp
  92. New type Zobel = <THD
  93. Class A 10W power amplifier - OPA2134+2N3055/MJ2955
  94. 2SA1145 Ltspice model
  95. Simple line buffer
  96. Differential VAS topology Bob Cordell based
  97. Chinese "Hitachi" mosfets
  98. Equivalent transistor to replace MJE243/253 pair
  99. Bob Cordell's Complementary IPS-VAS topology
  100. Amplifier can't drive 5,7 and 13 ohm loads
  101. Adcom power light goes out fast when powered down?
  102. Problems with amplifier MX50 SE
  103. attaching Vbe multiplier to heatsink
  104. Another question about driver bias
  105. EQU PWR OPA PROJECT
  106. Speaker IPOD Power Amplifier P2--- 6W
  107. Differential Amplifier Simulation???
  108. Compensate Amplifiers or Not ! & How best ?
  109. Mcintosh C28 Hum
  110. Which Technics is best
  111. Noob Question Re: Bridging Any Stereo to Mono
  112. Things to consider for the Plate Amplifier
  113. weird solid state problems
  114. Denon AVR-1709 intermittent protect
  115. The Mitronic PA100 2SJ50/2SK135 ready for test.
  116. Searching schematics C-Audio ST400
  117. an STK 30XX solution
  118. Small Head Amp Project
  119. GFA-535: Looking for troubleshooting help
  120. Current Drive for Loudspeakers
  121. Holfi Battriaa documentation wanted
  122. Need help with technics sa-tx50
  123. Are leds noisy ?
  124. 2stageEF high performance class AB power amp / 200W8R / 400W4R
  125. TPC vs TMC vs 'pure Cherry'
  126. Need help troubleshooting clone amp
  127. Square Buttons for NAD-3020
  128. Leach LMF-1 dead channel
  129. Low noise NPN with ECB(123) pinout
  130. Alesis RA300 Short
  131. Looking for a high end ss power amp kit
  132. Denon AVR1906 Repair
  133. P3A AC Calculating
  134. Hughes & Kettner Cream Machine
  135. A new hybrid concept: C-Vac
  136. ESp P3 amp on Cheap 150w amp board
  137. ESP P3A component recommendations
  138. Critique my first PCB routing attempt
  139. AR A-07 amp with ticking phono stage
  140. Jands 920 temp cut-out
  141. audiophile's project sourcebook
  142. LME49830 Project/Boards...
  143. How to wire MTM (or 2.5) woofers if 5 channels available & are doing active XO's??
  144. yamaha a-45 amp customising
  145. 3000W speakers amplifier required
  146. Front panel removal HK 330
  147. chord cmp2600 sounds really low on high volume
  148. PCB routing examples
  149. PCB track size and spacing
  150. Class AC
  151. Looking for DX Blame MK III PCB's
  152. Humming toriodal transformer....?
  153. PPI Precision Power a1200.2 repair?
  154. Sony TA-1130 diagram
  155. Newbie idiots advice please
  156. Denon PMA 737 schematic needed
  157. Used NAD 3060 or LM3886 stero kit?
  158. Super TMC
  159. Looking for some help with Adcom gfa-5503
  160. Luxman RX-102 AM Tuning Scale Problem
  161. Reasonably priced amplification for 4 way active crossover system?
  162. Resurrecting a defunct A3000
  163. Need Schematics for repair
  164. Best way to apply UV soldermask paint?
  165. Sony STR-DE415 loud pop noise when cold
  166. Overstock.com kl-2400
  167. "classless" amplifier simulation
  168. Discrete 35W kit vs LM1875
  169. VAS Biasing
  170. relay coil that heats.
  171. Heatsink Colour ?
  172. Thinking Inside the Box
  173. Popping in the Old Harman Kardon 930
  174. Need help fixing Hafler P505
  175. Silence from my amp
  176. Any Ideas on How to find a Radio Shack MPA@250 amp shematic?
  177. NAD PowerDrive ... How does it really work?
  178. Please help me solve my ground loop issues - Pics and layout attached.
  179. Some dumb rookie questions about output power
  180. Audiolab 8000A low volume from cd input than tuner input
  181. Virtual Ground (A Regulated Rail Splitter)
  182. Marantz pm57 distortion
  183. A DIY amp project to match my transformer?
  184. Enlighten me please. which amp?
  185. Super-complementary output stage
  186. the Golden Gain Ratio
  187. Jands series 920 bias setting?
  188. bias spreader bypass cap
  189. question about transistor package types
  190. Onkyo M-504 troubles - need some advice
  191. Bose 4401 pot
  192. FET drivers for BJT outputs?
  193. Electrocompaniet AW100 case
  194. I want to build a 1-2W class a amplifier for use in a 5,25" pc expansion slot
  195. B&K avr 507 blows fuses
  196. cyrus aca7.5 help
  197. Class A, 4 Watt, No Feedback, Simple Circuit, Great Sound
  198. help explain the current source behavior
  199. Need NAD 3020b service manual
  200. Quad 405 amplifier
  201. Trying to test Hafler dh-500 mosfets
  202. Repairing ElectroVoice CPS4 -- need schematic!!
  203. Noisy phono stage on vintage Pioneer SX-434
  204. LIN LK-85 SOUNDING TINNY AND FLAT
  205. Multiple feedback LP filter ?? Help??
  206. Dynaco PAT-4 input questions
  207. H/K AVI 200 & Sony STR-525 Amp Problem???
  208. DC Coupled amplifier capacitor vlaues
  209. How to measure/trigger/view low level 60/120hz hum?
  210. How did I blow this fisher BA6000
  211. What does the volume knob do - stupid newbie
  212. Stability analysis of EF output stages
  213. Good power amplifiers 6W---25W4R
  214. GNOSYS amplifier - Future come true
  215. The dark side of constant power amplifiers (and similar schemes)
  216. Help Transistor equivalents
  217. Luxman Amp problem.
  218. Snuber question
  219. Rega Elicit, need repair help.
  220. KENWOOD KA-7300 NOT SATISFIED
  221. good pre-amp for 300$
  222. Naim NAP90 - loud hum when no input connected
  223. Advice on choosing a new ~20W Project
  224. minimum inout circuit for testing
  225. Problem With Pioneer Receiver
  226. 2 Preamps on 1 PCB ?
  227. Recapping Quad 99 - simple question..
  228. AC coupled feedback
  229. OK it's late and I need to call it quits.
  230. Event 20/20 Bas
  231. Acousto-electro guitar amp - speakers impedance
  232. pa amp repair.
  233. FET Static Power Dissipation
  234. Best 2N3055 alternatives
  235. what is this amp really - "Digitech" AS-0476
  236. Midrange attenuation of 4-5dB needed
  237. Help to calculate the amplifier
  238. Need help on Yamaha AX-440
  239. NAD 208 arbitrarily into protect mode - more commen when hot
  240. printed datasheets
  241. Miller Compensation Capacitor vs Slew Rate
  242. I need help with a transformers issue
  243. NEED HELP FOR NAD C-320 INT. AMP
  244. Replacing caps in my hk770
  245. Alternatives to transistor BF247A
  246. Amp's output DC comes and goes, any suggestions?
  247. Amc Transformers
  248. Marantz PM68 tweak
  249. Technics SA-404 running hot!
  250. Adcom 545ii problems

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