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  1. 2SJ162 hitachi mosfet junction to case
  2. 1st power amp build .. 100Hz buzz .. hmmm
  3. oscillation DAS P900
  4. Crown CT800 one channel screwed up help
  5. Pioneer SA-9500II developed an issue?
  6. Low Volume in Sansui AU-101
  7. Trio TK250t transistor problem
  8. Technics SU-V40 No left channel
  9. IRFBC20 LTspice Model
  10. Power amplifier for Creek 4330?
  11. Amps and transformer voltage
  12. Ideal diode circuit dc offset question
  13. Building blocks for simple Class A
  14. F6 - Transistors and JFETs - same values for F6 and F5?
  15. Mosfet testing questions
  16. JVC Gm Vol Reg oscillates in LTSpice, please help to tame it
  17. Solid State Push Pull Receiver?
  18. Crown IC-150 wire question
  19. Kenwood KR 4070 Hum in one channel
  20. How to optimal change voltage gain in PA
  21. Mounting TO-3 Transistors, thermal compound or insulators?
  22. crossover active
  23. using zener diodes to clamp voltage?
  24. LTSPICE model for your BF862 JFETs
  25. Some Early Power Amps
  26. I tried routing P27 Preamp
  27. replacement transformer
  28. Trouble with simple Bi-amp circuit
  29. Help on converting EC Ampliwire II to Mono
  30. Building my own Power Amp
  31. mx40 vs mx50 which one is better sound for 50 Watt 8 Ohm
  32. LJM L20 V9.0 Amplifier
  33. Sony SA-IF70 Powered IR Speaker MOD
  34. Preamp Schematic - Need help
  35. Optically isolated thermaltrak bias spreader
  36. Marantz PM8005
  37. FX9 change
  38. Adcom GFA 555 left channel static and low aplification
  39. Can someone break me down on something...
  40. Output protection
  41. Output bias just keep keeps creeping up
  42. Megatech P3500
  43. Marantz MA5 - need help
  44. Luxman L3 38VDC On Speaker Output?
  45. I've joined the "Big Vintage BGW Club"
  46. STK2038B problems on my two Technics SU-Z55 ?
  47. Kenwood KA-801
  48. Rotel rx830 from Germany to use in usa
  49. GainWire mk3 CFA pre/phone amp with very low distortion
  50. This model of Power meter for the amplifier
  51. Repair or Replace a Parasound Amplifier?
  52. Noob Question - Onkyo A-9010 - what kind of topology?
  53. Wishing to learn about Current Dumping.
  54. The early transistor (hi)stories
  55. Riddle me this...(Carver 806x bridging / input question)
  56. Transistors are Heating
  57. Kenwood KA-1070 Integrated Amp Right-Channel Issue
  58. PCB vs Datasheet
  59. Infrared design
  60. ssm 2142 balanxed driver
  61. C300 or other DIY amp 300WPC
  62. Crown D60, Early Version (no Dual-Mono Switch), no output both chans
  63. LTSPICE models of worst-case BF862 JFETs
  64. Krell KSA-150: can't turn off
  65. Opamp based current dumping amp
  66. QUAD 405 C2 polarity
  67. Fisher 440T Not Working
  68. Your help for my Audio recievers
  69. High voltage +-250V symmetrical regulated PSU
  70. The Hanging Gardens
  71. Pioneer A-103
  72. Impedance matching
  73. Elliott p27 layout what do you think?
  74. Citation 12 New Driver Transistors Won't Bias
  75. Description of my Single Ended Class A amplifier
  76. NAD 214 amplifier problems
  77. class H and G efficiency
  78. L20 amp modules
  79. Question on Replacing Output Caps on Amplifier
  80. Transistor Preamp
  81. Yamaha P2200 asymmetrical clipping
  82. CREEK evo integrated amp dc bias questions
  83. 100W OCL What do you think?
  84. Does anyone know what has happened to Rod Elliot's website?
  85. Ultra sonic amp
  86. requeriment for class H amplifier
  87. 2N3055 amplifier - is this good amp ?
  88. Current source calculation question
  89. Small really good amplifier choice <5watt
  90. Unity Gain Power Amplifier Voltage Gain = 1 (0 dB) - where are these amps ?
  91. Mark Levinson No 27 - Service Manual?
  92. Black Devil Improved
  93. Marantz PM82 fault
  94. Mcintosh solid state with output transformers
  95. Strange result from switching from tube to SS amps
  96. Pioneer M-22 rebuild questions
  97. Amplifier Rail Voltage Regulator
  98. NAD av117 schematics needed
  99. Ground noise induced by charging capacitors
  100. speaker protection with upc1237 and mosfet
  101. current spike blowing out diodes?
  102. Ripple in Ground???
  103. Alpine MRV-1505 Service manual ???
  104. Parameter variation of small signal transistors
  105. Which path for signal?
  106. Mitsubishi DA-A600 repair
  107. KIND Audio Amps Service Data
  108. Most ultimate ClassA/B Amplifier in order to economical Operation with Battery
  109. Schematics diagram Janis Interphase 1A Crossover-Amplifier
  110. Cyrus Power HA7M
  111. basic speaker impedance question help needed
  112. 60's solidstate polarity help wanted please
  113. Leach amp w DIY Audio store speaker protection boards?
  114. Hafler 9500 amp repair
  115. Carver 2000 Receiver
  116. behringer b300 unit noise shot
  117. Single ended SS amp worth an experiment?
  118. Upgrading an Adcom GFA-555...
  119. Disadvantages replace SSM2212/10 with with two NPN Transistors
  120. Diagram for an amp Audiopipe apcl 2002
  121. Diamond buffer driver triple OPS bias stability
  122. Cyrus Two
  123. Denon POA-6600
  124. A Directory of Apex Audio Amplifiers - Chapter 2
  125. crown xs-1200
  126. Fan mod for receiver using remote out? Enough current?
  127. 4kw amp and it ain't no class D?
  128. bryston 3b-sst2 turn on problem
  129. Krell KSA 200 Problems
  130. Quad 405-2 Paint Color.
  131. Cambridge Audio 340A - intermittent right channel
  132. Gainclone Amplifier transfirmer issues
  133. Need Advice w/ Open Collector Circuit
  134. implimenting a baker clamp
  135. First project consultation and help
  136. Adcom GFA 555 Resurrection
  137. SARA-2016
  138. Ramko TT preamp...
  139. Virtual Audition of Very Simple Quasi MOSFET Amp
  140. Diamond buffer explained
  141. Power 300 MOSFET oscillation audible
  142. LM3886 Power Supply and Heat Sink Recommendations
  143. Feedback network question
  144. Complete Amplifier and Loudspeaker Protection
  145. Good amplifier to buy
  146. Replacing two resistors and one output transistor in the Ncc200 power amp
  147. Replacement transistors for Class A amp
  148. Some amps run hot, some cold, why?
  149. Destroyer x needs your help
  150. DAP Audio Stage-Amp 2.2
  151. QSC CX4T Help ....
  152. Looking for Denon AVR S710W schematic
  153. Subwoofer amp having trouble turning on....
  154. simple quasi complimentary MOSFET amplifier BUILDERS GUIDE
  155. Dayton MCA2250E volume control
  156. THRESHOLD 3.9
  157. Thule Spirit IA100 faulty preamp
  158. Mark Levinson 336 blowing fuses in home
  159. Sonics 400x
  160. 45W class B amp
  161. I need a cure- oscillations at clipping
  162. Oscillations in EF output stages
  163. Swapping heads for another brand on tape deck
  164. Single Malts, Active Crossovers, Tri-Amps and Sub Woofers!
  165. Ca-1000 reconfigure transformer
  166. Ideal Power Amp for 775mv Preamp
  167. Quasi complementary BJT amp
  168. 300W rms amplifier with only 2 output transistors possible?
  169. Which amp or headunit would I need
  170. MosFet Class A amp, better compensation, TMC ?
  171. Naim Amp 2016 Build thread
  172. does any one here is registered at www.diy-hifi-forum.eu or speaks german
  173. Parasound HCA-2200 mk-I
  174. CFH7 Amp
  175. Gain structure problem with DSP active crossover and P3a
  176. Help with Naim Amp simulation
  177. Fully Balanced Amplifier ckt is it correct? as I get low current in load while simula
  178. Marantz PM4400 power light on, no sound from speakers
  179. Large Bipolar Transistor in IGBT kind package
  180. GAS Ampzilla Power Meters
  181. Crimson Elektrik Power Amp Model?
  182. Constant Current Source (CCS) For Audio Applications
  183. YAMAHA CA 1000 Repair
  184. AD797 not sounding good
  185. Class A amp - coupled transformer at output
  186. Using LTSpice to check for SOA violations
  187. Amp Parts List Review
  188. Krell I-Bias ideas
  189. Anybody know about Class AH amplifier?
  190. KingStage RMX pro series look interesting... any takers yet?
  191. So Frustrating....
  192. Sherwood AM7040
  193. Onkyo A-8015
  194. How do we Choose Transistors
  195. diyAB Amp The "Honey Badger" on line grid board
  196. Pioneer SA-7500
  197. here is the complete PCB layout for BA2000
  198. Sons of VHex
  199. Need hlep on this amp contain some irfp240 irfp9240
  200. Behringer Ultra Bass BX4500H
  201. Schematic for Aragon Aurum?
  202. Looking for 20-30w amp with asymmetrical supply
  203. Active speaker volume ramp up
  204. clipping citation 22
  205. Unbalanced channals (volume levels) with two power amps.
  206. Class A amp-PCB assistance
  207. Quad 34/405 Dilemma.
  208. BIAS FOR LME49830
  209. Thick Brass for Amp Enclosure - Good Heat Dissipation Guaranteed?
  210. Bridge cambridge amplifier
  211. My first amp design
  212. Is 70mv Bias correct for a Sony TA-F444ESII?
  213. How many different SS power amp circuits in DIY?
  214. No sound coming out of my system
  215. JLH power amplifier
  216. Trying to fix my Behringer Ultrabass 3000
  217. Sansui AU-11000 Balance Pot....
  218. Marantz SR4002 - Schematic wanted
  219. Amplifier Hum out of the blue
  220. Decoupling Schemes and recommendations
  221. irfz44n for audio ?!
  222. Match complimentary pair in HK-730?
  223. recapping amp & preamp
  224. Sony STR-VX1L
  225. Sonic Difference between the Polk mm840 vs Focal P20F
  226. Faking a Loudness Tap
  227. Should I build this amp ?
  228. Luxman R-113 Scratchy sound for first min
  229. The Examplifier
  230. Inverted J-FET Circlophone Builders thread
  231. Some amps picking up noise from computer
  232. Jfet matching question
  233. JLH Class A Silicon Carbide edition
  234. Constant hiss on my amp, can I reduce it?
  235. Pioneer A88-x with Bad Channel
  236. Ips redesign
  237. LFet design
  238. Why are these opamps so expensive? (OPA2541 @ $250/ea)
  239. MF A1 2016 Rebuild!
  240. Shobud D15 steele guitar amp problem.
  241. adcom gfa 555 ii questions
  242. Crest Audio CPX 1500 Bias
  243. Adcom 555mkii that is confusing for me, to much positive?
  244. Attention please oscillation
  245. Cyrus Amplifier 2
  246. Revisiting an old 1970's design. Was it inspired, or just an 'also ran'.
  247. Parasound a21 bias
  248. WEGA Model JPS 350V (JPS350V) Schematic wanted
  249. Challenge! Quick and dirty amp build - make a suggestion :)
  250. Preamp questions._

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