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  1. Hafler 945 Preamp Issues
  2. JLH 15 Watt SE Amp
  3. Non-Clipping Amplifier
  4. thermal runaway problem
  5. Where to buy capacitors?
  6. Replacing Rectifier
  7. Muting relay problem
  8. AD797 guts
  9. LM7915 oscillation ?
  10. Background Noise (Hiss) -- How to Trace
  11. Parasound P/HP-850 Preamp Schematic Request
  12. Phase linear 400 driver replacement
  13. Grounding one half of a bridged amp?
  14. Harman Kardon receiver amp copy (clon) ?
  15. Does anyone has the service manual / schematic for Denon PMA1060?
  16. Denon PMA 1060. Somethings really wrong
  17. Metering the IMD of EMU0404 with Multi-Instrument Pro-3
  18. Audio rightmark analyser
  19. Jeff Rowland Model 1
  20. multisim grr
  21. Another Offset problem...
  22. Vintage transistor sources
  23. question about elliot P3a Amp
  24. Why positive rail only??
  25. extremely odd hum problem
  26. My new Pre-amp from parts at least a year old! Can not beat Bugle for the price!
  27. Strange amplifier circuit - seeking information
  28. Replacing old pots
  29. Cyrus 2 power switch?
  30. GAS Thoebe Preamp
  31. Symasym5 modifid circuit
  32. Gemini XPM-900 - Burnt thing on my amp, what is it? *pics*
  33. question about mac2105
  34. amp in 2 boxes - grounding scheme?
  35. Ayre V3 proto topology for preamp?
  36. Battery powered XO?
  37. Op Amp gyrator oscillates
  38. Resistor wattage question
  39. Polytone Power Amp Oscillation
  40. Krell ksa 200
  41. JM Lab Electra SW-900
  42. Help. dead channel on GFA 555.
  43. suggestions for a studio monitor amplifier.
  44. mutiple 2sc5200 amp
  45. lab-1300c need SMPS IC
  46. H/K Citation Twenty Two Problems
  47. repair'-Acoustic 450 distorted and low volume. Transistor crossover distortion?
  48. Tandberg TR2075 stripdown - identification help needed
  49. Converter electrical performance
  50. Low TIM, How to verify it!!! thanks a lot!!
  51. The Kleinschmidt 10A
  52. i want build an fm tuner
  53. FYI: Dynaco ST 400 (A reveiw of sorts)
  54. Alesis Power Amp Transistors Dead what else to check?
  55. Transnova Circuit
  56. Quick heatsink question
  57. maplin mosfet GA28F upgrades?
  58. Quad 303 issue "HELP"
  59. What is the preferred metal for spacer
  60. Carver MXR130 Receiver Burnt Resistors
  61. Adcom GFA-565 Bias Adjustment Instructions?
  62. Carver Amplifiers
  63. Replacing electroytics in signal path with non-polarised - which type of caps to use?
  64. Which point is right? for stability simulation!!!
  65. discrete jfet input opamp
  66. Dual OpAmp in input of amp?
  67. quality tone/volume control
  68. Mjl21194 & Mj15003
  69. my latest box he he he
  70. Hafler P3000 trans nova volume potentiometer...
  71. Wanted: MARK LEVINSON 332 and SANSUI B1000A service manuals
  72. Luxman L-85v
  73. 4 channel amp power supply?
  74. Pushing OnSemi transistors to the limit
  75. Anyone used coolaudio?
  76. The last 3%
  77. Make a power amp out of op-amp ICs in parallel?
  78. Source for Celestion spares in the UK?
  79. Outlets, Do we need them?
  80. My MOSFET amplifier designed for music.
  81. NAD C355, any-one heard it yet?
  82. Arcam 8R Service manual / schematic?
  83. pa600 amplifier
  84. power amp repair
  85. Yamaha AX-390
  86. Any experienced with SpectraRTA 132 or Multi Instrument Pro-3?
  87. Mission cyrus 2 l/h channel low volume
  88. dummy load
  89. Adcoms with lots of DC offset. Lots!
  90. DIY Graphic equalizer?
  91. Looking For Service Manual for Rotel RB990BX
  92. QUAD 34 help needed
  93. i am new in this forum, need help
  94. Determining the rating of a transformer
  95. The ultimate single ended class a transistor transformer?!
  96. marantz 1060 issue
  97. Do all audio amplifiers really sound the same???
  98. Modifying a 5.1 Receiver (Insignia NS-R5100)
  99. Capacitor leaking?
  100. My new amp design - the Overkill 180
  101. input sensitivity?
  102. Sansui au x901 integrated amp
  103. Setting Bias
  104. Mean Thoughts on Measured and Perceived Performance.
  105. Preamp snap crackle pop
  106. Question regarding to output power trans
  107. Bailey 30W amplifier- new transistors
  108. Minimalist Mosfet amp
  109. SANSUI XR-Q7 service manual
  110. EP2500 Schematics???
  111. NAD317 power amp
  112. amp setup...4 channels on a 2 channel amp?!
  113. Stk 3082ii
  114. Recommend a Trimmer Pot
  115. Hi PPL, I have a question about op amp biasing for you
  116. My latest circuits
  117. Combine 4 amplifier channels into one?
  118. Luxman L-510 & Grundig A-905 need schematics
  119. Pro amp to Home amp, mods advice please?
  120. transformer hum on my beloved HK 3270 receiver, help!
  121. blowing transistors
  122. forte' 4a caps (4 blue ones...)
  123. Build hybrid amp but with 2sk1058 compli
  124. CAMCO Amps
  125. INA134 unbalancing....quick question...
  126. hight idle current HARMAN amplifier
  127. TH-60 my DIY power amplifier.
  128. Old school, novel circuit amp
  129. av iooo amplifier help me
  130. Official LYNX Power Amp builder’s thread
  131. Yaoin MC 100 B
  132. P3A on +/-12V rails
  133. Hafler 9505 turn off thump
  134. Tone controls
  135. quad 303 Crackling
  136. Marantz SR7400
  137. HEI from June 98 Silicon Chip
  138. trying to fault find a Nikko amp
  139. denon pma-2000R preamp bypass help!!
  140. output impedance bridge
  141. telefunken Compact 2000 schematics wanted
  142. Aussies - Silicon Chip 20W Class A Amplifier opinions?
  143. Signal Ground
  144. FDV301N,multisim pspice model, maybe not finished.
  145. Luxman m-03 m03 strange fault....
  146. Super Sanken Final Stage "Tauro"
  147. Bias setting for a Bryston 3B ?
  148. cement resisters
  149. Adjusting Discrete Class A buffer for gain?
  150. Transistor subs. 2sc960 & 2sa607 Help please
  151. Looking for a softstart kit...
  152. Anyone Have the Service Manual for the Advent 300 Receiver?
  153. Class A LM4562 (or OPA2134) preamp layout with groundplane
  154. Found old thread
  155. Rotel RMB1048 110V 230V conversion
  156. Visual Analyser & Nuova Elletronica LX.1690 KIT Oscilloscope + Spectrum Analyser
  157. Mixer Circuit Help
  158. Reduction in Speaker Output
  159. hum on Harmon Kardon HK3270 receiver
  160. Multichannel Stereo System wattage per channel
  161. Marantz 4270 DC offset and bias adjustment
  162. Will this circuit work?
  163. That Looks Powerfull !!!!
  164. Modifications to a Plinius 8200 MKII - any suggestions as to where to start?
  165. Hill Audio documentation - anyone to contribute?
  166. Powering up/down Amp
  167. Onkyo Integra 8067 blowing fuses
  168. Marantz 4270 output transistors. Best cross
  169. Kenwood KA-1500 mkII
  170. qualities of a great bass amp?
  171. Kenwood L-07MII
  172. What can a Dual-railed Snaps do
  173. 100W peak 4Ohm
  174. Smoothing Cap: ESR or Capacitance
  175. JVC rx-8030v Sound
  176. Are these 2sa970 2sc2240 2sd1609d Genuine or Chinese second source ?
  177. To debounce a soft switch
  178. Class A Pre Amplifier with IC
  179. Crest CA-4 Schematics
  180. Dumpster Dive Find - Pioneer SX-201 Blowing Fuses
  181. Citronic amp
  182. Harman/Kardon HK6500 balance misalignment
  183. Parasound HCA-2200 II repair question
  184. Dayton APA 150 mods?
  185. CFP output emitter resistors
  186. Hafler Powered Studio Monitor
  187. Why tone controls have 1kHz center freq ?
  188. 2SC3381 NPN dual
  189. Carver PT-1250 Schematics needed
  190. Carver Repair 101 ????
  191. 2n174?
  192. Layout and Pcboard software... please friends, suggest me something really simple
  193. versterker 70fa951
  194. Anyone know where to get 2SJ162/2SK1058
  195. amplifier reactive load testing
  196. Radford ZD 50 and ZD 100 schematic anyone ?
  197. ML 27 output problem/ schematic quest
  198. VAS and driver Transistor?
  199. can I bypass my receiver's input selector and still use volume pot?
  200. Buzzing Superphon DM200(s)
  201. Power Amp
  202. Maplin 160W (225W) bipolar amplifier design
  203. Philips AH578 shematic
  204. Oscillator XTAL 701 in NAD C740 xcvr ???
  205. Interesting hum problem
  206. Need amp repair help - Can you ID this semiconductor?
  207. Harman Kardon Receiver Question - DC output to Speakers?
  208. SK3020 Transistors
  209. Lme49830
  210. Need help with Sugden A-51
  211. Output stage opinions
  212. Am I doing something wrong with my amp?
  213. Check my layout pls. for proper grounding (6 channel opamp pre)
  214. Cambridge Audio A5 repair help
  215. Help repairing a CS-400
  216. New Member, Intro, Hitachi HMA-8300 assistance needed.
  217. buying advice - ATI AT3005
  218. HELP!!! - OA21 not singing
  219. A free book about amp kit history
  220. rotel RA414 advice
  221. Heathkit AA-1800 Stereo Power Amplifier
  222. Service Manual Needed Please
  223. Krell KSA-100S HELP!!
  224. Numark DM1050 schematic
  225. schematic for RCA WA-44C freq generator
  226. square wave testing and slew rate
  227. Help With Meridian Power Amp Needed
  228. 3 band eq with ballance and gain
  229. SAE Two - A14
  230. Recap a Krell Ksa 150
  231. Stand Alone Distortion Analyzer Chip
  232. change 110v to 240 v for a MF cd plaer
  233. amplifier construction
  234. Need 600Watts Or Greater
  235. repair Acoustic Solutions SP101: dead transformer ?
  236. Schematics for Sherwood RX-4109
  237. cambridge a500 problems
  238. sysmasym psu gerber files
  239. Krell FPB 300c amp problem
  240. Analog or digital?
  241. Krell Audio Standard
  242. Getting started in DIY Audio...could use some help
  243. Request for advice / high performance soundcard for measurement
  244. HELP! How to run iPod to DAC
  245. Samson Servo 550 issues, multiple amps, same issue.
  246. Would appreciate some advice on amp project
  247. Aa-1800
  248. Can bias transistor mount on top(body) of output transistor??
  249. Transitors(semiconductors)
  250. Pioneer HT receiver... blown channel?

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