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  1. Hi PPL, I have a question about op amp biasing for you
  2. My latest circuits
  3. Combine 4 amplifier channels into one?
  4. Luxman L-510 & Grundig A-905 need schematics
  5. Pro amp to Home amp, mods advice please?
  6. transformer hum on my beloved HK 3270 receiver, help!
  7. blowing transistors
  8. forte' 4a caps (4 blue ones...)
  9. Build hybrid amp but with 2sk1058 compli
  10. CAMCO Amps
  11. INA134 unbalancing....quick question...
  12. hight idle current HARMAN amplifier
  13. TH-60 my DIY power amplifier.
  14. Old school, novel circuit amp
  15. av iooo amplifier help me
  16. Official LYNX Power Amp builder’s thread
  17. Yaoin MC 100 B
  18. P3A on +/-12V rails
  19. Hafler 9505 turn off thump
  20. Tone controls
  21. quad 303 Crackling
  22. Marantz SR7400
  23. HEI from June 98 Silicon Chip
  24. trying to fault find a Nikko amp
  25. denon pma-2000R preamp bypass help!!
  26. output impedance bridge
  27. telefunken Compact 2000 schematics wanted
  28. Aussies - Silicon Chip 20W Class A Amplifier opinions?
  29. Signal Ground
  30. FDV301N,multisim pspice model, maybe not finished.
  31. Luxman m-03 m03 strange fault....
  32. Super Sanken Final Stage "Tauro"
  33. Bias setting for a Bryston 3B ?
  34. cement resisters
  35. Adjusting Discrete Class A buffer for gain?
  36. Transistor subs. 2sc960 & 2sa607 Help please
  37. Looking for a softstart kit...
  38. Anyone Have the Service Manual for the Advent 300 Receiver?
  39. Class A LM4562 (or OPA2134) preamp layout with groundplane
  40. Found old thread
  41. Rotel RMB1048 110V 230V conversion
  42. Visual Analyser & Nuova Elletronica LX.1690 KIT Oscilloscope + Spectrum Analyser
  43. Mixer Circuit Help
  44. Reduction in Speaker Output
  45. hum on Harmon Kardon HK3270 receiver
  46. Multichannel Stereo System wattage per channel
  47. Marantz 4270 DC offset and bias adjustment
  48. Will this circuit work?
  49. That Looks Powerfull !!!!
  50. Modifications to a Plinius 8200 MKII - any suggestions as to where to start?
  51. Hill Audio documentation - anyone to contribute?
  52. Powering up/down Amp
  53. Onkyo Integra 8067 blowing fuses
  54. Marantz 4270 output transistors. Best cross
  55. Kenwood KA-1500 mkII
  56. qualities of a great bass amp?
  57. Kenwood L-07MII
  58. What can a Dual-railed Snaps do
  59. 100W peak 4Ohm
  60. Smoothing Cap: ESR or Capacitance
  61. JVC rx-8030v Sound
  62. Are these 2sa970 2sc2240 2sd1609d Genuine or Chinese second source ?
  63. To debounce a soft switch
  64. Class A Pre Amplifier with IC
  65. Crest CA-4 Schematics
  66. Dumpster Dive Find - Pioneer SX-201 Blowing Fuses
  67. Citronic amp
  68. Harman/Kardon HK6500 balance misalignment
  69. Parasound HCA-2200 II repair question
  70. Dayton APA 150 mods?
  71. CFP output emitter resistors
  72. Hafler Powered Studio Monitor
  73. Why tone controls have 1kHz center freq ?
  74. 2SC3381 NPN dual
  75. Carver PT-1250 Schematics needed
  76. Carver Repair 101 ????
  77. 2n174?
  78. Layout and Pcboard software... please friends, suggest me something really simple
  79. versterker 70fa951
  80. Anyone know where to get 2SJ162/2SK1058
  81. amplifier reactive load testing
  82. Radford ZD 50 and ZD 100 schematic anyone ?
  83. ML 27 output problem/ schematic quest
  84. VAS and driver Transistor?
  85. can I bypass my receiver's input selector and still use volume pot?
  86. Buzzing Superphon DM200(s)
  87. Power Amp
  88. Maplin 160W (225W) bipolar amplifier design
  89. Philips AH578 shematic
  90. Oscillator XTAL 701 in NAD C740 xcvr ???
  91. Interesting hum problem
  92. Need amp repair help - Can you ID this semiconductor?
  93. Harman Kardon Receiver Question - DC output to Speakers?
  94. SK3020 Transistors
  95. Lme49830
  96. Need help with Sugden A-51
  97. Output stage opinions
  98. Am I doing something wrong with my amp?
  99. Check my layout pls. for proper grounding (6 channel opamp pre)
  100. Cambridge Audio A5 repair help
  101. Help repairing a CS-400
  102. New Member, Intro, Hitachi HMA-8300 assistance needed.
  103. buying advice - ATI AT3005
  104. HELP!!! - OA21 not singing
  105. A free book about amp kit history
  106. rotel RA414 advice
  107. Heathkit AA-1800 Stereo Power Amplifier
  108. Service Manual Needed Please
  109. Krell KSA-100S HELP!!
  110. Numark DM1050 schematic
  111. schematic for RCA WA-44C freq generator
  112. square wave testing and slew rate
  113. Help With Meridian Power Amp Needed
  114. 3 band eq with ballance and gain
  115. SAE Two - A14
  116. Recap a Krell Ksa 150
  117. Stand Alone Distortion Analyzer Chip
  118. change 110v to 240 v for a MF cd plaer
  119. amplifier construction
  120. Need 600Watts Or Greater
  121. repair Acoustic Solutions SP101: dead transformer ?
  122. Schematics for Sherwood RX-4109
  123. cambridge a500 problems
  124. sysmasym psu gerber files
  125. Krell FPB 300c amp problem
  126. Analog or digital?
  127. Krell Audio Standard
  128. Getting started in DIY Audio...could use some help
  129. Request for advice / high performance soundcard for measurement
  130. HELP! How to run iPod to DAC
  131. Samson Servo 550 issues, multiple amps, same issue.
  132. Would appreciate some advice on amp project
  133. Aa-1800
  134. Can bias transistor mount on top(body) of output transistor??
  135. Transitors(semiconductors)
  136. Pioneer HT receiver... blown channel?
  137. Marantz PM4001
  138. Wanted Triple Darlington input boards
  139. Advice
  140. ABX Switching Box for Phono + Line Preamps
  141. sansui B1000 schematic wanted
  142. Here is a Challenge
  143. AC128 PNP Germanium Transistor Spice Mode (RARE!)
  144. Complementary vs NPN / NPN
  145. Tascam M-50 Service manual or schematic
  146. Cascode Output Stages
  147. Naim Nait 1
  148. Hafler DH-500 Questions
  149. Technics SU-Z65
  150. EQ with BJT as Gyrator
  151. My first amp
  152. Let's talk vintage Soundcraftsmen PCR-800 amps
  153. Klipsh promedia 2.1 subwoofer amp broken
  154. how do i make 1000000w amp ?
  155. class g design
  156. Links to National's Audio Pages
  157. Low noise current source
  158. need help wana change 60-Hz twin-T notch filter to 279 Hz filter
  159. 3rd & 4th term on snap-in caps
  160. power is not always the issue
  161. Just picked up an SAE P50 amp...
  162. Yamaha Amp
  163. Looking for an amplifier kit.
  164. an 3a amp asiatic version?
  165. does some know how to build a 60hz hum Eliminator which stops the 60 hz hum??
  166. Seeking transistor information
  167. Audio Concepts. Legend P300.
  168. Rotel problems
  169. Mark Levinson 390s
  170. Help New TAC US 12A crossover distortion.
  171. Differences between various vbe multipliers
  172. Gain calculations
  173. Regarding Filter capacitr and DC choke calculations
  174. ETI 5000 problem
  175. Philips 22AH578
  176. Replace transistors
  177. better sound or no?
  178. Lfa-50-oa
  179. A Test Set for Nondestructive Safe-Area Measurements
  180. Suitable transformer
  181. need 2 transistors
  182. SPICE distortion analysis
  183. Upc1237 Ic
  184. Hafler/MC PA-3D M-block project
  185. epsilon lavardin amp help
  186. Sanusi BA-5000
  187. My amp I'm working on now.. Comments?tips?changes?
  188. Larger transformer for Adcom GFA555ii
  189. Preamp schema: Input to buffer to potentiometer to gainstage or what?
  190. Op amp Dc offset
  191. Power ccs
  192. Headphone amp circuit for preamp use.
  193. Soundcraftsmen PM860 transformer buzz
  194. this amp work?
  195. sanyo D313D
  196. Beloved Vintage Pioneer SA-6200 issues...
  197. Threshold SL 10
  198. NAD C300 schematic and/or help...
  199. GFA-555 input boards.. are they available?
  200. in wall wiring
  201. Required equipment for Leach build?
  202. SKA SKpre? Comments Advice/Impressions
  203. Luxman M02 Schematic?
  204. Linearity
  205. yamaha a-720
  206. Technics OFC transformer
  207. Can D.C. Offset cause non linear distortion
  208. Technics SU-8800 Service Manual anyone ?
  209. Class D amplifier? mains powered?
  210. Differential follower?
  211. parts list or schematic for NAD C740/340 ??
  212. Vendor for pot with "D" shaped shaft
  213. MARANTZ 700-AV - schematic help
  214. My amp is picking up noise ...
  215. Finally have my DC300a hooked up !!
  216. esp-project 18-help with mod?
  217. 120v powersupply
  218. Integrated amp run with power amp
  219. Twisted Pear Audio info
  220. Square waveform test/simulate problem
  221. Burr Brown OPA211
  222. AR SP-4 Preamp- potted modules
  223. denon avr2106
  224. Powersupply questions
  225. problem with audiolab 8000a
  226. Adcom GFA-555II
  227. PA Power Amp Troubles
  228. Cleaning Oxide off Transistor leads?
  229. How to cut large heatsinks?
  230. Cyrus Two - Faulty Speaker Channel
  231. ADCOM GFA-585 Is it possible for it not to blow up
  232. GFA 535 right channel out.
  233. Workshop Tricks & Tipsw
  234. Electrocompaniet AW-250r problem. help please
  235. Regulator for RIAA Preamp and Line Amp
  236. sr8520
  237. Replacing CAPs in NAD C370
  238. Hitachi hca 8500 mk11
  239. turn 350w amp kit to class A ???
  240. models for 2SK982/2SJ48
  241. Sheldon Stokes MOS FET amp as power amp
  242. Hafler DH-200 Transistor Voltages
  243. Max dissipation on 1/4W resistor
  244. sunfire input help
  245. About Tina and SwCad III simulators
  246. Please M. Charles Hansen PRP resistor
  247. Parasound HCA-1000 upgrade
  248. killing op amp osclation
  249. ESP class A modules
  250. How to use OrCAD P-Spice to simulate TIM and Distortion correctly???

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