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  1. SC480 Amp Power Supply and Voltages
  2. power resistors in power amps
  3. simple diamond mirror preamplifier
  4. My Amp Collection
  5. battery powered power amps
  6. Rotel RA-970BX problems
  7. help with preliminary calculations
  8. CA9 Schematic needed
  9. Panasonic SU-2700 Repair (Otherwise known as the Technics SU Z1)
  10. 150W > cheap, simple, bass power amp?
  11. Nad C320 slow warm up
  12. Luxman L-530 damping factor
  13. Marantz PM-230 Amp repair help - Input selector?
  14. Voltage regulator adjustment
  15. Replace a balance pot with resistor?
  16. quasi-balanced working method
  17. My 10W class AB Amplifier
  18. Chassis grounding a Accuphase e-202
  19. Type of outputtransistors in a Classé Audio DR-3
  20. My first PCB - some help needed
  21. Focusrite Voicemaster Preamp Repair Advice
  22. Luxman L11 service manual wanted
  23. Not enough power from my amplifier?
  24. Is it overheating?
  25. Carver M1.5t Output Devices...
  26. SpeakerCraft BB2125 - burnt resistors
  27. Looking for a complete DIY amp
  28. Kenwood KA-3500 Integrated Amp DC Offset / BIAS Adjust confusion
  29. Buffer help needed
  30. How much power for an initial experimentation
  31. Cerwin Vega SUB-150 Loud Hum
  32. Denon PMA-250 amplifier - volume issue
  33. need help repairing ppi 4400m
  34. PV 2000
  35. Accumulator power, stabs free
  36. LME49830 non audio application
  37. Stacking op-amps - pros and cons.
  38. Vintage V-FET Amps - Where Has All The Interest Gone?
  39. Kenwood KA-3500 bias adjustment
  40. help for MARANTZ MA-9S2 schematic
  41. Easy way to listen to power amp via headphones
  42. Amplifier with nested Miller compensation
  43. Audio Sonic ST-500 integrated
  44. Help on Sansui amp board
  45. The Pulley amplifier - Wilson mirror
  46. Replacing TO3 transistor insulators
  47. Dynaco Stereo 400 Headache
  48. Crimson Elektrik Literature from 1979
  49. Any kit/board suggestions?
  50. What about this amp-CFA or VFA?
  51. 400w high fidelity diy amp, where can I find them?
  52. LM317/337 causing problems with my amp? Hegel H1
  53. Negative Feedback Caps - Bipolar OK?
  54. DC Offset readings?
  55. Potting the input stage changes tone?
  56. Elektor Preamp 2012 (Douglas Self) Mini, low budget
  57. "Simple" CF amplifier circuit...
  58. Fujitsu 5200 power transistors in TO220 packaging?
  59. 2 preamps in the same poweramp
  60. Recapping of SS amplifier
  61. Mic preamp for dynamic mics, any glaring errors ?
  62. Unknown mosfet amplifier
  63. More current mirror confusion
  64. Have power need a kit
  65. Why is the output of the IPS LTP considered a current output?
  66. Crescendo Elektor Modify Suggestions
  67. Strange crackle in my Rega Mira
  68. Naim Nait 2. Gone very quiet.
  69. Rotel AV amp for 2-channel?
  70. Adding gain to INA134 ?
  71. how to test a vi limiter
  72. Mark Levinson 26 questions
  73. Multisim transistor models needed.
  74. Latest project 500 watt class AB in a PC case.
  75. fuse // cap for basic passive speaker protection ?
  76. Lateral Mosfet Amplifier Design
  77. Min DIN
  78. 25W Mosfet Amp troubleshooting
  79. Hill DX 3000 low power
  80. Leach SuperAmp with 2/4 extra pair of output devices?
  81. Albarry m408 upgrade questions...
  82. Is NJM4580D an upgraded NJM4560D ?
  83. Current mirror load in a LTP
  84. Need suggestion
  85. Assembled DIY Phono Amp OPA2134PA on Ebay
  86. PHASE LINEAR 4000 PRE
  87. NAD 916 DC offset correction ?
  88. BD139 Odd problem- NAD 3140
  89. Power Decoupling & Hum Noise
  90. Respectable THD levels for double EF Amp
  91. Kenwood ka-801 Help how to remove current limiter SOA
  92. Fender BXR 60 bass amp buzz (preamp section)
  93. 140V/us
  94. ANYONE WITH CYRUS 2 VERSION 7?
  95. Trouble with Denon Avr 5805
  96. someone can help me to analyze this circuit?
  97. Philips FR675 repair: replace 2SC2240 with ZTX458
  98. Why is my amp oscillating ?
  99. Crimson Elektrik PCB's
  100. Carver M1.5 Crackle Noise
  101. End resistors Cyrus 8v2 mod
  102. Would an 12v to 240v inverter run an amp?
  103. Is there any place need to improve in this power amplifier
  104. My dream amplifier, wished I knew how to make it.
  105. Repair of Onkyo TX-SR506 (One transistor blown)
  106. Wanted! 12AU7-Mosfet hybrid from Musen to Jikken
  107. More than 25watts realy needed ?
  108. Marantz 2385 problem
  109. Correct way for PSU?
  110. Turn on pop Rockfosgate Hafler
  111. How do you solder this 24pin SMD IC+
  112. Computing output impedance (Cordell's book)
  113. How to reset NAD AV 713?
  114. Service manual Nad AV 713?
  115. NAD 2600A Modification Question
  116. Is this preamp circuit OK?
  117. ringing with squarewave
  118. Matching MOSFETs
  119. Bypass Balance Pot
  120. Power Amplifier WITHOUT compensation
  121. Voltage amplifier: V -Ro> 1k (4Vp) and Phone -Ro = 32R
  122. Kenwood KM208
  123. Step Response Simulation for SSPA
  124. Is kit for the Hafler xl280 worth the $?
  125. Help Fixing Technics SU-V4X
  126. Modify amp from voltage to current feedback for low Qts drivers
  127. Crest 8001 Pro, randomly in protect, need help
  128. Harman/Kardon HK870 blowing fuses
  129. Audiolab 8000a volume control repair
  130. A power steering for the output
  131. Cambridge Audio 640A Overheating / Distortion
  132. Ferguson stereo casseiver model # 3926 - year 1979
  133. What to connect to earth ground?
  134. Fixing an NAD 216 making chirpy sounds
  135. Elektor Equa Amplifier
  136. Sony TA343 Crackling
  137. Giesberts HEXFET AMP Problem
  138. Help with a toshiba 2SA1943 & 2SC5200 subwoofer amplifier shorten
  139. CYRUS 2 VERSION 07 REPAIR IN JAPAN
  140. Amplifier with 2 AA battery
  141. Transistors equivalent for amplituner
  142. QSC MRX 2450
  143. im newbee
  144. Amp-Speaker
  145. Re: Balance to Un-Balance Converter
  146. NAD AV 713 right channel bad
  147. difference between rectifier and solid state rectifier
  148. DC-Servo Vs. Speaker protection with relay
  149. PHASE LINEAR 4000 pre amp
  150. Sony TA3200f Issue
  151. MJE15032/33 Genuine or Fake??
  152. Conversion from TO3 to TO220
  153. Need a frequency controlled voltage source!
  154. pioneer sx1010
  155. Nakamichi Amp Model IA-1z Ok to use in US?
  156. Current Sources in audio amplifier
  157. Amp not playing as loud any more
  158. Peavey puzzle?
  159. Crown Macro-Tech Schema & Bias
  160. Parts-bin SS build
  161. Voice Coil as sensor for control.
  162. Yamaha M-65 wont power on
  163. WTD Arcam Alpha 2 knobs
  164. Volume control for 4 x JBL GTO 12v amps
  165. common base amplifier with Jfet IN
  166. P3A DC calculations problems
  167. Hiraga : yet another design
  168. Rockford Fosgate 1500 Problem
  169. Heatsink vs heatsink + fan.
  170. High frequency parasitic oscillations in IRFP240 9240? necessity to avoid them?
  171. Is this amplifier faulty?
  172. how much bias currents possible with lme49830?
  173. Bias current influencing compensation?
  174. NE5534 Bal/Comp Pins?
  175. adcom 5800 bias setting
  176. Guitar ABY advice
  177. NAD 3020 preamp
  178. Servo design for a tangential tonearm
  179. MM preamp coupling cap value
  180. fT vs ic of BJTs
  181. Adcom 585 SE Schematics
  182. Problems with stability in simulation
  183. does a single pair of 5200 1943 total 2 needs matching?
  184. Power Buffer with Jfet IN and CFP OUT
  185. Suggestions for output transistors
  186. PeeCeeBee
  187. Driving capacitive loads
  188. Pioneer A400 - After Plugging Headphones In No Signal On RH Channel
  189. 18V Class A
  190. Alesis RA-100 Repair
  191. dynamic bias
  192. Simple transparent amazing buffer
  193. Forte Model 3 Bias
  194. bias/idle current adjusting
  195. Rd or Rs on MOSFET output
  196. MJL3281A/MJL1302A vs MJL4281A/MJL4302A, which will be better?
  197. High value current source design for thermal stability
  198. Has anyone had any experience with Atlas DCA55
  199. JVC rx309 no output
  200. How to Match SAP series Darlington Transistors
  201. Help Loking to get SAP-15 NO/PO Matched?
  202. Peavey op-amp sub
  203. Want to tap line level off of a reciever. Help me id these pins?
  204. Question about trim pot leads
  205. Amp design pitfalls to avoid, General Thoughts?
  206. About amps power consumption
  207. Tone control using LPF,HPF,BPF
  208. Sherwood RD-6405
  209. Can anybody help me? This amp oscillate at 10MHz?
  210. Help understanding bias spreader
  211. Carver tfm 45 capacitors
  212. How to solder mute pins on 4 pin Jumper Block
  213. SMPS powered JLH 69 - quick and dirty results
  214. opinions about my design of a complete HI-FI system
  215. 95v voltage regulator for lme49830?
  216. YS Sound Balancing Workshop Limited
  217. RGN and RGP after RQ?
  218. What may prevent Output Relays from opening?
  219. rx-v2090
  220. Measuring the voltage rails of an amplifier.
  221. 1988 Yamaha ax 700 intgrated amp
  222. Where do i get hold of MPS8599/MPSA56 in europa?
  223. Denon DRA 345R problem
  224. Pioneer M72 Schematic
  225. does a Vbe multiplier effects the sound quality for IRFP240 9240?
  226. Capacitor ID
  227. Reducing output of pre-amp
  228. Tone control 3 bands
  229. Jamo MPA-201
  230. help troubleshooting Fisher 440T
  231. Regulator with floating ground and speaker protection
  232. Sony STR-D315 Repair/troubleshooting
  233. 60-0-60V ps
  234. jjh amp like jlh1969 mos
  235. Same question, different year
  236. JJH amp LIKE MOS jlh
  237. TIP 120/125, any simple amps ?
  238. Only 2SK60 OCL Amplifier ?
  239. Help understanding (circuit wise) this predriver-driver configuration
  240. Marantz 1030 restoration
  241. Leach Amp troubleshooting
  242. Help with Stax SRA12S Electostatic amp/preamp
  243. Non-Polarized Cap in Bryston Feedback Loop?
  244. Help stabilizing this amplifier...
  245. TRANSCON - 2 X Cascode VAS plus 1 X Transconductance
  246. Help,,,,Dead Rotel ra1412 amp
  247. Supplying multiple power amplifier (op amps)
  248. Yamaha RX-V2600 has PS PRT 107Q
  249. Ic 221-241 ??
  250. Luxman: new DML units issued.

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