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  1. NAD 3020A Constant Hum
  2. two opposed transistors to clamp audio signal
  3. headbanger amp
  4. adjust bass boost frequency
  5. Better way of installing gate stopper resistors?
  6. Hi Fi AB amplifier for Powered Speaker
  7. Will these speakers work?
  8. MOSFET gate resistors, carbon?
  9. power handling of output stage emittrer resistors
  10. Buffer & Amp experiment
  11. McIntosh MC2100 question
  12. Runing Quasi's NMOS200 @ 2ohm ?
  13. Soundcraftsmen help
  14. Good old technology?
  15. SC480 Amp Power Supply and Voltages
  16. power resistors in power amps
  17. simple diamond mirror preamplifier
  18. My Amp Collection
  19. battery powered power amps
  20. Rotel RA-970BX problems
  21. help with preliminary calculations
  22. CA9 Schematic needed
  23. Panasonic SU-2700 Repair (Otherwise known as the Technics SU Z1)
  24. 150W > cheap, simple, bass power amp?
  25. Nad C320 slow warm up
  26. Luxman L-530 damping factor
  27. Marantz PM-230 Amp repair help - Input selector?
  28. Voltage regulator adjustment
  29. Replace a balance pot with resistor?
  30. quasi-balanced working method
  31. My 10W class AB Amplifier
  32. Chassis grounding a Accuphase e-202
  33. Type of outputtransistors in a Classé Audio DR-3
  34. My first PCB - some help needed
  35. Focusrite Voicemaster Preamp Repair Advice
  36. Luxman L11 service manual wanted
  37. Not enough power from my amplifier?
  38. Is it overheating?
  39. Carver M1.5t Output Devices...
  40. SpeakerCraft BB2125 - burnt resistors
  41. Looking for a complete DIY amp
  42. Kenwood KA-3500 Integrated Amp DC Offset / BIAS Adjust confusion
  43. Buffer help needed
  44. How much power for an initial experimentation
  45. Cerwin Vega SUB-150 Loud Hum
  46. Denon PMA-250 amplifier - volume issue
  47. need help repairing ppi 4400m
  48. PV 2000
  49. Accumulator power, stabs free
  50. LME49830 non audio application
  51. Stacking op-amps - pros and cons.
  52. Vintage V-FET Amps - Where Has All The Interest Gone?
  53. Kenwood KA-3500 bias adjustment
  54. help for MARANTZ MA-9S2 schematic
  55. Easy way to listen to power amp via headphones
  56. Amplifier with nested Miller compensation
  57. Audio Sonic ST-500 integrated
  58. Help on Sansui amp board
  59. The Pulley amplifier - Wilson mirror
  60. Replacing TO3 transistor insulators
  61. Dynaco Stereo 400 Headache
  62. Crimson Elektrik Literature from 1979
  63. Any kit/board suggestions?
  64. What about this amp-CFA or VFA?
  65. 400w high fidelity diy amp, where can I find them?
  66. LM317/337 causing problems with my amp? Hegel H1
  67. Negative Feedback Caps - Bipolar OK?
  68. DC Offset readings?
  69. Potting the input stage changes tone?
  70. Elektor Preamp 2012 (Douglas Self) Mini, low budget
  71. "Simple" CF amplifier circuit...
  72. Fujitsu 5200 power transistors in TO220 packaging?
  73. 2 preamps in the same poweramp
  74. Recapping of SS amplifier
  75. Mic preamp for dynamic mics, any glaring errors ?
  76. Unknown mosfet amplifier
  77. More current mirror confusion
  78. Have power need a kit
  79. Why is the output of the IPS LTP considered a current output?
  80. Crescendo Elektor Modify Suggestions
  81. Strange crackle in my Rega Mira
  82. Naim Nait 2. Gone very quiet.
  83. Rotel AV amp for 2-channel?
  84. Adding gain to INA134 ?
  85. how to test a vi limiter
  86. Mark Levinson 26 questions
  87. Multisim transistor models needed.
  88. Latest project 500 watt class AB in a PC case.
  89. fuse // cap for basic passive speaker protection ?
  90. Lateral Mosfet Amplifier Design
  91. Min DIN
  92. 25W Mosfet Amp troubleshooting
  93. Hill DX 3000 low power
  94. Leach SuperAmp with 2/4 extra pair of output devices?
  95. Albarry m408 upgrade questions...
  96. Is NJM4580D an upgraded NJM4560D ?
  97. Current mirror load in a LTP
  98. Need suggestion
  99. Assembled DIY Phono Amp OPA2134PA on Ebay
  100. PHASE LINEAR 4000 PRE
  101. NAD 916 DC offset correction ?
  102. BD139 Odd problem- NAD 3140
  103. Power Decoupling & Hum Noise
  104. Respectable THD levels for double EF Amp
  105. Kenwood ka-801 Help how to remove current limiter SOA
  106. Fender BXR 60 bass amp buzz (preamp section)
  107. 140V/us
  108. ANYONE WITH CYRUS 2 VERSION 7?
  109. Trouble with Denon Avr 5805
  110. someone can help me to analyze this circuit?
  111. Philips FR675 repair: replace 2SC2240 with ZTX458
  112. Why is my amp oscillating ?
  113. Crimson Elektrik PCB's
  114. Carver M1.5 Crackle Noise
  115. End resistors Cyrus 8v2 mod
  116. Would an 12v to 240v inverter run an amp?
  117. Is there any place need to improve in this power amplifier
  118. My dream amplifier, wished I knew how to make it.
  119. Repair of Onkyo TX-SR506 (One transistor blown)
  120. Wanted! 12AU7-Mosfet hybrid from Musen to Jikken
  121. More than 25watts realy needed ?
  122. Marantz 2385 problem
  123. Correct way for PSU?
  124. Turn on pop Rockfosgate Hafler
  125. How do you solder this 24pin SMD IC+
  126. Computing output impedance (Cordell's book)
  127. How to reset NAD AV 713?
  128. Service manual Nad AV 713?
  129. NAD 2600A Modification Question
  130. Is this preamp circuit OK?
  131. ringing with squarewave
  132. Matching MOSFETs
  133. Bypass Balance Pot
  134. Power Amplifier WITHOUT compensation
  135. Voltage amplifier: V -Ro> 1k (4Vp) and Phone -Ro = 32R
  136. Kenwood KM208
  137. Step Response Simulation for SSPA
  138. Is kit for the Hafler xl280 worth the $?
  139. Help Fixing Technics SU-V4X
  140. Modify amp from voltage to current feedback for low Qts drivers
  141. Crest 8001 Pro, randomly in protect, need help
  142. Harman/Kardon HK870 blowing fuses
  143. Audiolab 8000a volume control repair
  144. A power steering for the output
  145. Cambridge Audio 640A Overheating / Distortion
  146. Ferguson stereo casseiver model # 3926 - year 1979
  147. What to connect to earth ground?
  148. Fixing an NAD 216 making chirpy sounds
  149. Elektor Equa Amplifier
  150. Sony TA343 Crackling
  151. Giesberts HEXFET AMP Problem
  152. Help with a toshiba 2SA1943 & 2SC5200 subwoofer amplifier shorten
  153. CYRUS 2 VERSION 07 REPAIR IN JAPAN
  154. Amplifier with 2 AA battery
  155. Transistors equivalent for amplituner
  156. QSC MRX 2450
  157. im newbee
  158. Amp-Speaker
  159. Re: Balance to Un-Balance Converter
  160. NAD AV 713 right channel bad
  161. difference between rectifier and solid state rectifier
  162. DC-Servo Vs. Speaker protection with relay
  163. PHASE LINEAR 4000 pre amp
  164. Sony TA3200f Issue
  165. MJE15032/33 Genuine or Fake??
  166. Conversion from TO3 to TO220
  167. Need a frequency controlled voltage source!
  168. pioneer sx1010
  169. Nakamichi Amp Model IA-1z Ok to use in US?
  170. Current Sources in audio amplifier
  171. Amp not playing as loud any more
  172. Peavey puzzle?
  173. Crown Macro-Tech Schema & Bias
  174. Parts-bin SS build
  175. Voice Coil as sensor for control.
  176. Yamaha M-65 wont power on
  177. WTD Arcam Alpha 2 knobs
  178. Volume control for 4 x JBL GTO 12v amps
  179. common base amplifier with Jfet IN
  180. P3A DC calculations problems
  181. Hiraga : yet another design
  182. Rockford Fosgate 1500 Problem
  183. Heatsink vs heatsink + fan.
  184. High frequency parasitic oscillations in IRFP240 9240? necessity to avoid them?
  185. Is this amplifier faulty?
  186. how much bias currents possible with lme49830?
  187. Bias current influencing compensation?
  188. NE5534 Bal/Comp Pins?
  189. adcom 5800 bias setting
  190. Guitar ABY advice
  191. NAD 3020 preamp
  192. Servo design for a tangential tonearm
  193. MM preamp coupling cap value
  194. fT vs ic of BJTs
  195. Adcom 585 SE Schematics
  196. Problems with stability in simulation
  197. does a single pair of 5200 1943 total 2 needs matching?
  198. Power Buffer with Jfet IN and CFP OUT
  199. Suggestions for output transistors
  200. PeeCeeBee
  201. Driving capacitive loads
  202. Pioneer A400 - After Plugging Headphones In No Signal On RH Channel
  203. 18V Class A
  204. Alesis RA-100 Repair
  205. dynamic bias
  206. Simple transparent amazing buffer
  207. Forte Model 3 Bias
  208. bias/idle current adjusting
  209. Rd or Rs on MOSFET output
  210. MJL3281A/MJL1302A vs MJL4281A/MJL4302A, which will be better?
  211. High value current source design for thermal stability
  212. Has anyone had any experience with Atlas DCA55
  213. JVC rx309 no output
  214. How to Match SAP series Darlington Transistors
  215. Help Loking to get SAP-15 NO/PO Matched?
  216. Peavey op-amp sub
  217. Want to tap line level off of a reciever. Help me id these pins?
  218. Question about trim pot leads
  219. Amp design pitfalls to avoid, General Thoughts?
  220. About amps power consumption
  221. Tone control using LPF,HPF,BPF
  222. Sherwood RD-6405
  223. Can anybody help me? This amp oscillate at 10MHz?
  224. Help understanding bias spreader
  225. Carver tfm 45 capacitors
  226. How to solder mute pins on 4 pin Jumper Block
  227. SMPS powered JLH 69 - quick and dirty results
  228. opinions about my design of a complete HI-FI system
  229. 95v voltage regulator for lme49830?
  230. YS Sound Balancing Workshop Limited
  231. RGN and RGP after RQ?
  232. What may prevent Output Relays from opening?
  233. rx-v2090
  234. Measuring the voltage rails of an amplifier.
  235. 1988 Yamaha ax 700 intgrated amp
  236. Where do i get hold of MPS8599/MPSA56 in europa?
  237. Denon DRA 345R problem
  238. Pioneer M72 Schematic
  239. does a Vbe multiplier effects the sound quality for IRFP240 9240?
  240. Capacitor ID
  241. Reducing output of pre-amp
  242. Tone control 3 bands
  243. Jamo MPA-201
  244. help troubleshooting Fisher 440T
  245. Regulator with floating ground and speaker protection
  246. Sony STR-D315 Repair/troubleshooting
  247. 60-0-60V ps
  248. jjh amp like jlh1969 mos
  249. Same question, different year
  250. JJH amp LIKE MOS jlh

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