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  1. Transformer question for amp supply
  2. Need help about a double boot strap amp
  3. New Zero Feedback concept
  4. Can Velleman 7W amp be bridged?
  5. Building from a pair of MA-9S2 boards, first project
  6. Home theater reciever with digital in analog out
  7. Overal NFB amount
  8. Qubert current feedback amplifier
  9. sony 1000w xm 1852
  10. First Project
  11. Crossover/ preamp for active subwoofer help
  12. Push-Pull vs. Single-Ended in Class A Operation
  13. ODYNA power amplifier
  14. building an ideal amplifier
  15. Bloody expensive 7-channel Subsonic filter
  16. Adcom GFA-5802 Question
  17. NAD C372 to restore or not
  18. Inclusion of reservoir caps on amplifier's PCB
  19. Faulty Harman Kardon AVR 230
  20. PowerAmp Pio 7-channel Project
  21. new scrap amp
  22. Yamaha cr 1040
  23. OPA445 - Alternatives available?
  24. Legend stage master adjustments (first time run)
  25. BIAS Measuring of MOSFET output transistors
  26. Scavinging
  27. Rotel RA-820BX3
  28. fFinding Wade Stewart
  29. Slewmaster - CFA vs. VFA "Rumble"
  30. 2sk1058 replacement with ALF16N20W?
  31. 63vdc ouput on Carvin R600
  32. Shorted My Amp Out
  33. Humming sound after blown fuse
  34. Leach Amp Clone Gerber Files
  35. Help Please :( Marantz PM80 mkII
  36. My tablet in car installation
  37. 2nd amp from scratch: Low NFB- FET front end - BJT OPS
  38. Question about Marantz 2130 tuner
  39. Mccormack DNA-1 R1 input circuit board bad
  40. Maplin catalogues through the ages.
  41. ward beck m621. 20w broadcast amp opinions
  42. Chevin A1000 Refurbishment
  43. eBay Amp 650W AB Class - Someone Try It ?
  44. Push pull class A bias current vs. noise, is there an optimal compromise?
  45. MosfetAudio MP50Di design
  46. Scintilla Mod for SS AMps
  47. icb amp - the excellence in your hands
  48. Audio amplifier vith ecc82(12au7)
  49. A miniture LME49811 amp PCB.
  50. Ebay amps, need a bit advice..
  51. Pick a sub for amp 200/300rms
  52. A/B Test setup
  53. Hum and possible overvoltage damage
  54. Help need protection circuit for this amp
  55. LM353 substitutes?
  56. My first amp, protection
  57. Pairing transistors
  58. Repairing a Denon DMA-1560
  59. Naim Nait 5i Bypass issue
  60. Sherwood AD-2220 CP Please Help!!
  61. Yamaha cr 1040
  62. Does someone have Gary Pimms battery bias CCS pcb files
  63. Look like?
  64. Legend Stagemaster 250W Problem
  65. When is time to recap vintage amp?
  66. Amplifier stability and feedback
  67. Kit Modification from EBay
  68. Will a bad TDA2030 still function partially?
  69. NEETS Module One Question Calculating Ohms
  70. CFP Output stage crossover glitches
  71. Short CircuitProtection CIrcuit for AB amp
  72. Help with first SS amp
  73. Generating a 1 KHz sine at 10mvrms
  74. Protection Relay Closes Too Fast on Sansui G-7000 Receiver
  75. Amp pcb with on board power supply!
  76. Mackie 1642-vlz3
  77. Help: Noise from one channel during startup
  78. Volume control for A/B amp comparison
  79. Murray/sandman amplifier: mosfet version
  80. JLH Class A newbie question.
  81. Questions about amplification classes
  82. 1965 Realistic AX-100
  83. Mark Levinson ML1 line module
  84. Mackie 1642-vlz3 schematic
  85. 50W into 8 ohms amplifier
  86. Are all dual op amps of the same type 'the same'?
  87. Audio amplifier with uA741 and 2N3055/MJ2955
  88. TO-220 bjt recommendations, does it matter which type?
  89. Relay-Switched Balanced Volume Control
  90. Audiolab 8000M retrofit 12V tigger
  91. Building FETZILLA - Questions and Answers
  92. How to control volume on DIY Amplifier?
  93. cheap, simple 150w amplifier for sub
  94. Yamaha AX-550RS - toasted fuse reistors
  95. TDA7396 trouble!!!!!
  96. Ema - Three simple resistors
  97. One channel doesn't work but in mono it works
  98. Amplifier adaptation
  99. Krell KSA150 bias problem
  100. B&K AV5000 II schematic needed
  101. Simple low power amp to start
  102. my 10W POWER AMP. NEED HELP''
  103. Cambridge Audio 3Ai LED2 not lighting up
  104. No sound through preamp - Teac AX75mkII
  105. Speaker Protector for Harman Kardon PM640 wanted
  106. Phase margins in higher-order / nested loops
  107. SS noob questions
  108. Curious speaker cable interaction with Krell KSA amp
  109. Calculate Resistance from Z and Phase?
  110. Denon DVR890 - no digital audio - analog OK
  111. Linearity
  112. Difference attenuator? Sameness Amplifier?
  113. Sony STR-K700 receiver (no sound problem)
  114. Marantz MA500 chassis/cabinet grounding
  115. Amplifiers with protection all in one Circuit PCB
  116. Noisy Teac amplifier
  117. Get your power for nothing , and your amps for free ...
  118. How to design CFA amps?
  119. NAD 3020 (& related NAD output stages)
  120. Yamaha rx-v550 --- Help
  121. schematic needed
  122. Amplifier parameters calculation
  123. Issue with Marantz PM 66KI
  124. Need the schematic for the Electrohome M-U2250 amp
  125. Small Battery Powered Amp for Mic Level Input
  126. what to do with "beyond repair" receivers?
  127. grounded collector amp
  128. PARASOUND HCA-855A protection circuit keeps triggering
  129. Blameless vintage big-watt receiver
  130. Arcam Alpha 5 conversion from 220v to 115v
  131. Dynaco ST-150 Boak/Jung/Amer Mods
  132. What do You think about this amp 3000w
  133. Zoom H1 internals/ closeups
  134. Lowering the AC Votage to my speaker protetion circuit.
  135. Random Amp questions
  136. Cmoy preamp, have some questions.
  137. Pioneer SA710 Amplifier
  138. SIC vs IRF
  139. Most ultimate Bluetooth Speaker: Bose's small sized "Soundlink Mini"
  140. The Synclophone
  141. Sansui AU717 service/repair history
  142. Mcintosh pickup of MCD7009
  143. some help on a Den DSP-1800
  144. Transistors 101 question about 2 transistor Darlington configuration
  145. It's possible to create other frequency compensation methods?
  146. Need Service Manual(s) for Stax X1t and CA-X
  147. Modified JLH Amp
  148. Simple Loudspeaker Protection Circuit
  149. Calculatin VAS gain with CCS
  150. Need help in finding stability margins/loop stability in LTspice for my amp
  151. JFet Preamplifier - Help needed..
  152. Suitable Amplifier for my loudspeakers
  153. What are the best way of de-funking electronics?
  154. basic electronics repair question - Sansui G5500
  155. Distortion in 20 year old push pull transistor ahuja amplifier
  156. Starting out in DIY Solid state
  157. Yamaha p2100 diagnosis help
  158. Simulating real-world loads?
  159. Antilia 5 evolution
  160. dennesen jc 80 repair
  161. Mosfet-amp module in Class-B
  162. A new toy to play with: the Symclophone
  163. Symmetrical topology - My new designing
  164. M400 diy kit with 2SK1058/J162 chip
  165. Which amp would you choose?
  166. low pass filter choice at input
  167. NEC X-10II
  168. re3doute
  169. lil Amp - Class A
  170. Advice needed for a 2cL power amp $800 limit
  171. Amp Recommendation under $1k
  172. 8x MicPreamp
  173. Custom Volume Control
  174. Bigger caps on Ayre V5xe ?
  175. Advice on volume control repair
  176. NAD 3140 service manual>>>anyone?
  177. What type of capacitor is needed for Ground Loop Breaker?
  178. Replacing STK 3122 III for STK 3152 originals or 3122 III Generics?
  179. Rotel RB-990BX Blown Channel Help
  180. WNA Class AB 125W Mosfet Amp Schematic Discussion
  181. Better Sounding Transistor?
  182. class A amp with transistors sound better with 200ma bias per trans x 5
  183. toshiba 2SC5949 2SA2121 better than 5200 1943?
  184. A good mono block case deal
  185. NAD 3020e - Clicking Sound - Troubleshooting
  186. sk170 sj74
  187. Cyrus Two upgrade, tweaks.
  188. Please help
  189. a question about mosfets matching
  190. possibility of single power supply for the LME49830 amps?
  191. bora omega
  192. Technics SU-V4 idle current and clamp voltage adjustment confusion
  193. Ampli Technics SU-C03
  194. Inverting SS Amplifiers Destroy Sound Quality
  195. what is Vref+ and Vref- in class H amplifier sch attached in the thread..
  196. Grommes G125M
  197. lm1875 bridge lm3886
  198. Musical Fidelity A5 Integrated
  199. Pioneer SA-7500
  200. splitting exising AV amp into separate boxes... worth it?
  201. Audio of Oregon CC-3 output transistor replacement
  202. Bryston 3B Repair procedure.
  203. ADCOM Transformer VA Rating Question
  204. sansui AU2900
  205. studiomaster vision 8 fault
  206. Local instabilities! Need help!
  207. Aura Evolution VA100 ii
  208. Fake 2N3055?
  209. hitachi hma-7500 mk2
  210. Repairing Bryston 3B, how to match biasing transistors
  211. INA217 Mic Preamp
  212. Cambridge Audio A500 - nothing from the pre-amp stage.
  213. Electronics World article
  214. Hafler DH120 & P125
  215. sakura av-2210 diagram
  216. TDA7293 2.1 Power amplifier board
  217. troubleshooting amp
  218. ZCA - Load resistor....
  219. TGM8 - an amplifier based on Rod Elliot P3a
  220. New amp design on elektor
  221. power amp - acceptable offset
  222. newbee phase splitter question
  223. Replacement MKP with long leads -- good idea?
  224. AMPLIMOS one stage
  225. Switching off amplifier makes pop noise
  226. Proton (NAD) 520 - replacement part
  227. Adcom GFA-545 Distortion LED Lit -w/schematic
  228. LME49810/11/30 without transistors?
  229. Moderator - I have a favor to ask regarding transistors for audio use
  230. Problem of noise when DIY Mosfet amp connected to sound card
  231. Amp for Usher S520 -MX50 SE or DX Blame ST?
  232. Suggest an Amp
  233. PCB for Amplifier with 2n3055/2mj2955
  234. Negative feedback?
  235. Parasound HCA 1000- Need Power Switch
  236. The "most powerful" Audio Transistors on today's market - Any experience with these ?
  237. Hi-Fi RIAA Phono Preamp
  238. Lme49810 with 2SC3263 & 2SA1294 output HELP!!!
  239. Bass speaker amplifier?
  240. cross-over problem
  241. Adjust your amplifier with a level!
  242. 70s Marantz PM 550 DC with silent left channel
  243. Voltage Controlled Attenuator
  244. SMT connection to copper pour?
  245. My stereo amplifiers produce mono output with stereo source!
  246. Are these 2 schematics good?
  247. quad 405 clone oscillation
  248. Nad T 763 hum in one channel but goes as warms up?
  249. Toshiba transistor recommendation for 50W Amplifier
  250. can one LME49810 drive one pair of 2sc5200 2sa1943?

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