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  1. What about Model for Germanium Transistors
  2. NAD 7225 mods
  3. help a newbie please, marantz pm-40se
  4. Pioneer sx 1010 output transistors
  5. 2x40W JLH amp suddenly changes bias current
  6. Christmas tree bulbs for my Carver dial lights
  7. Harman Kardon Citation 19 (nineteen) needing some advice
  8. Yamaha amplifier crackling.
  9. Heathkit AR-14 lives!!! Well, sorta...
  10. Post your interest in a new 25-50W autoformer amp
  11. Adcom GFA555 problem
  12. Another ebay amp - FET
  13. zener diode selection - curious
  14. HEATHKIT AA32
  15. pro level mixer to consumer level reciever?
  16. output stage thermal stabilisation
  17. Help me identify this connection (Onkyo TX 3007)
  18. Harman Kardon AVR 430 shuts down
  19. Pioneer A400 variable balance issues
  20. QUAD 303
  21. All NMOS output amp
  22. Ampeg B2R with hf oscillation
  23. Adcom 555 and fumble finger me
  24. what is the output stage class for Dynacord L2400
  25. Zero Phase Power Amp
  26. Denon 3313 problems
  27. Quad 405 clone
  28. Hafler dh200 shorted q12
  29. Hitachi HA-250 Amp no output
  30. Marantz 4070 quadradial 4 Service manual.
  31. NAIM NAP 110 amp, high DC offset and mute channel
  32. whats so unique about Holmgren toroidal transformers with internal magnetic shielding
  33. 2SC3281/2SA1302 what amp?
  34. Maplin Mosfet Amplifier Ga28f construction thread
  35. marantz 1060 amp
  36. Trouble with a Heathkit AR-14
  37. Undersized caps, something to worry about?
  38. ATI 1805 or 1807
  39. input stage why did they do this
  40. SS amps with low heatsink requirements?
  41. Rebuild of power amplifiers
  42. looking for mel audio NEFESH II Amplifier Scheme
  43. Pick your brains
  44. Schematics of PS Audio PSIII and LCC
  45. More watts?
  46. Damping Factor of amps
  47. integrated amp kit
  48. Best choice: MPSA06/MPSA56; 8099/8599; 2SA1403/2SC3597?
  49. Adding capacitance on a luxman amp
  50. what are the diodes to be used in this class H amp circuit
  51. Suggestions for single & dual DIP-8 jfet input opamps?
  52. Daisy chain components ?
  53. Maplin 100w mosfet amplifier built from 1980 kit
  54. spectro acustics 500sr recap questions
  55. Reseating Old Transistors In Old Amplifiers?
  56. 1ss81 glass switching diode cross?
  57. Subwoofer preamp -PSU noise reduction?
  58. SS driver circuit / Enhanced OP-Amp
  59. Technics sux320 amp low tinny bass
  60. Dayton Audio SA1000-no output
  61. Two new output stages. Have you seen before?
  62. Need help on LTSpice & circuit problem
  63. Greierasul
  64. Biasing Quattro DG250
  65. Amplifier For High Impedance Speaker
  66. Creek 4140 S2 schematic wanted
  67. Zobel network
  68. Diodes in Wires
  69. Amplifier Filters
  70. Good cap on regulator output !
  71. No Transformer in Supply = Madness?
  72. Bruno Putzey interview
  73. Pioneer a204R repair
  74. Rotel RA06
  75. Looking for Schematic for Technics SE-C01
  76. Help to fix Musical Fidelity A200
  77. Thoughts on this Amp ?
  78. Mature amp protection and question to Bonsai
  79. Different impedance speakers simultaneously?
  80. Parallel input transistors
  81. Honey Badger pcb's?
  82. What part of the pcb creation process causes these imperfections? (broken traces)
  83. who builds high pass filters these days?
  84. Bias Setting on ESP P101
  85. Diatone, Sansui, Victor, Technics, Lo-D, Exclusive/Pioneer and Luxman
  86. >> Looking for an amplifier for my DIATONE speaker <<
  87. Sony STR-DA1200es, lost its mojo....
  88. Bryston 2B LP recap advice
  89. thermalpaste choice
  90. Matched transistor pairs
  91. Bypass preamp notch filter
  92. Nad C325BEE
  93. CARVER AV-705x 5 Channel THX Amp RCA Input Jacks
  94. Balanced Schematics - GNFB Question
  95. How to calculate safe impedance level
  96. Help with part number please
  97. Denon AVR-3200
  98. Easy DIY Class-H using Class-AB&D in BTL
  99. 2sk1058 or Exicon lateral mosfets?
  100. not sure what this is
  101. Improvement in VAS
  102. DIY includes repair? NAD 3240PE advice needed...
  103. What amp could I build with 600VA 2x61V AC transformers?
  104. Tangent Amp50 - need help with power supply
  105. RC4558 I-mA max? non inverting
  106. 2SA1302 / 2SC3281 replacement
  107. ground bridge
  108. Some people loves a challenge ....
  109. how much bias you use for 2sc5200 1943 pair for class AB?
  110. Pros and Cons of MOSFET VAS
  111. Major RS 8020 schematic
  112. Unable to find upc1237 any sources please?
  113. Tapco J800
  114. Forte Model 1 hum
  115. Multichannel amplifier internal ground loop
  116. Improving LME49810 Amplifier by Using Cascode VAS
  117. Luxman M-120a intermittent problem
  118. Sony Str-db940
  119. DC coupled line preamp kit
  120. Classe DR-9 Big Bang Theory
  121. Replacing a PNP with a NPN in a output pair
  122. Onkyo M-504 no servo light
  123. Low noise regulators for 2014?
  124. How to convert 2sa &2sc transistors to current transistors??
  125. Strange transformer test results
  126. Audionics CC-2 with a buzz
  127. A Low Distortion Amplifier Based on a "Tandem" Correction Scheme Powered by a Modifie
  128. Low Noise opamps for 2014?
  129. VAS current limit for Blameless Amp
  130. 12V fan replace 24V?
  131. unstable DC offset
  132. 100W Class B amplifier project
  133. NAD 3240PE schematic - READABLE!
  134. Clipping indicator problems
  135. GFA 535 Input Sens & Preamp Output Voltage
  136. To reask a question that's been asked a million times, any harm in leaving your class
  137. !!!problem in increasing voltage capacity in power amplifier
  138. Challenge Mark 1B Receiver-Pioneer Clone??
  139. Sony STR-DB940 no sound
  140. aragon 4004 Mk 2 restoration
  141. MX50 amplifier compensation tuning
  142. Crundh bmx1000
  143. Sony TA-FB940R problem
  144. Power transistors in Luxman L-430
  145. Need help diagnosing amplifier fault (oscilloscope examples inside)
  146. Luxman C-120a Volume Pot extra terminals?
  147. Technics SA-EX 300
  148. Crown XLS 602 ( D series )
  149. Do amps without gnfb ring into capacitive loads
  150. ZCA amplifier DC Servo any possibilities?
  151. Rotel RA04 SE,Service Manual/Schematic
  152. NAD C370 Diagnosis / Repair Help
  153. IRF610 SRPP (THD=.35%@1W)
  154. Hiraga 30W.
  155. Simple op-amp question
  156. Laney AH200
  157. Fisher 220T needs help...
  158. B&K ST-202+ hum
  159. Ferrograph F307
  160. Bias and ultimate phase
  161. GainWire-CLASS-A-poweramp NGFB
  162. What about this amplifier?
  163. Yamaha M-4 popping noise and level fluctuations
  164. About preamp out - amp in matching.
  165. conterpoint NPS-100E help
  166. carver ca400
  167. Pioneer SX838 has hot components on power supply board
  168. BG7 v4.2 - my own blame
  169. Spirit Folio F1 14:2 No XLR Output?
  170. NAD power ratings?
  171. Who has the strange/earliest version of Mcintosh MC250 schematic?
  172. AB class amplifier in LTspice
  173. Blown capacitor, symptom or cause?
  174. Sansui noisey controls
  175. I need a mono preamp
  176. Hiraga amplifier Mosfet insulation
  177. IRF511 Simple SRPP mosfet amplifier circuit
  178. Hybrid single-ended digital input.
  179. Possible DC on output of my pre-amp?
  180. Bias pots keep rising?
  181. A.S.P. - Autonomous Speaker Protection system
  182. audio analogue maestro cd mk1
  183. Need help with Denon AVR 1909
  184. Loudspeaker-Amplifier Interaction
  185. Need help with a Rotel RA-970BX
  186. Strange slight hum + noise issue
  187. SS Class A Input/Output AC-coupling caps: How big = too big?
  188. Audiosector LM3875 Amplifier Help! / Questions
  189. Cree CMF10120D
  190. Calculating current draw of SS Class A amp
  191. B&K amplifier ST140
  192. Voltage Regulator 'CV/ABV'
  193. RJM Audio R40 (make fun of my amp)
  194. monacor sta-500 schematic
  195. Schematic Monacor sta-500
  196. Electrocompaniet power amp repair
  197. Searching fro Proton 1100 Preamp
  198. Very simple quasi complimentary MOSFET amplifier
  199. subwoofer amplifier with 2sa1943&2sc5200
  200. Rotel RA-04: There is still sound even volume control is turned to zero.
  201. Simple class b amplifier problem
  202. Home theater subwoofer input board question
  203. Luxman LV-105u MOSFET upgrade success
  204. UA Solo-110 Regulator Problem
  205. Little dual mono... Any ideas?
  206. COUNTERPOINT NPS-100 BIAS
  207. Advice for new DIY Ampli
  208. modifying a Sanyo JCX-2600K
  209. Re-Capping Luxman M-120a Power Amp Advice sought
  210. Mark Levinson 23.5 bias procedure
  211. Recommend me a project.
  212. Opamp based power amp
  213. 25wpc mosfet mapl-in kit wipes floor with 2 x cambridge A60 biamp
  214. solid state plate amp KIT
  215. Just an observation about voltage swing in actively crossed-over tweeters.
  216. dirkwright line stage preamp
  217. Sought expert advice on my amplifier circuit
  218. Smokin' Marantz SR1000
  219. conterpoint NPS-100
  220. Dx Amplifiers, all models will be shown here
  221. A more efficient class A output stage
  222. Musical Fidelity A1 Channel Imbalance
  223. Headphone amp - POP sound will powering ON and OFF
  224. Multi pack smd/tht input transistos
  225. The many versions of the NE5532 and it is confusing!
  226. Quad 34 on/off switch. Desperate.
  227. Are Proton AA1660 amplifier still available?
  228. Recap with Reason: Sony TA-N80ES Amplifier Refurbishing Project
  229. Output power - high voltage or high current?
  230. Faulty JVC MX-GC5
  231. NAD 1300 - Problem with static
  232. voltage doubler for TPS7A4700
  233. Ultra Low noise voltage regulator IC till 80Volts?
  234. NAD amplifier disabling Power Envelope circuit
  235. STR-DN1000 power-up problem
  236. What solved the problem...
  237. Kenwood Ka-2600
  238. Rotel RA840BX service
  239. Finishing a custom made power amp...
  240. aqvox + primare
  241. NAD 3300 Amplifier repair question
  242. Proton AA1660 switch issue
  243. 2sk1058 for class A what should be the max heat dissipation preferred?
  244. need help with crest 2500 poweramp
  245. (ask) ZCA 2sk1058 mosfet amplifier
  246. Threshold SA-1 keep main fuse blown
  247. Two audio schematics-comment?!
  248. SuperA Class AMP "Nataly EA2012"
  249. V.2012 PRO. Composite Audio amplifier
  250. 900W Class H Power Amplifier

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