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  1. Hello from Madrid (vintage Marantz inside)
  2. Unusual buzzing situation
  3. Yamaha RX-V765 needs repair
  4. Denon PMA-680R Service Manual
  5. Fuse Question
  6. Etri Fan KSA 100
  7. Hafler mosfet solidstate help
  8. Has anyone used Semelab's MG6333K & MG9413K complementry bipolar devices ?
  9. idle current i(bias) is slowly dropping in one channel
  10. musical fidelity A-X 50/100/200: Any differences above 500 Hz?
  11. Opinions on "Hot rodded" elector HEXFET kits
  12. Crown bias problem
  13. Amplifier A+B with speakers and subwoofer?
  14. Just brought the arcam fmj a32 but get really load popping from the channel left is f
  15. A little amp advice
  16. tantalum and small capacitors
  17. Overload detection circuit for UPC1237
  18. Studio 350 Power Amp
  19. 70's nostalgia
  20. Rebuild my New Dynaco Stereo 120
  21. Need Schematic for PA Stereo amplifier
  22. 40W amplifier, first try
  23. Amcron MT1201 output measurements
  24. Maitner STR-50 power up issue
  25. Does an LME49811 needs a pre driver?
  26. Inter-M R300 plus Transformer
  27. buzz when connecting projector/laptop/amp
  28. JVC RX-508V
  29. Middlebrook "GFT" probe?
  30. A&R Cambridge A60 problem.
  31. A simple, inexpensive, HEXFET amp with EC
  32. How does this provide constant current ?
  33. Any kits for high quality simple preamp
  34. QED A-240 SCHEMATICS
  35. NEW Galliumnitrid and Siliziumkarbid FETS?
  36. ID this transformer
  37. 2.1 Amplifier
  38. transistor hfe help
  39. how to lower THD in small signal BJT amps?
  40. How to measure amplifier`s output impedance wrt Frequency?
  41. Help needen on a power buffer
  42. What Amp board is This?
  43. Output Transistors for the "Super Class A Amplifier" by Jean Hiraga
  44. Crown M 600 blowing the 1.2 amp fuse - not the 20 amp fuse
  45. LME49810 or 11 for mid-high power amplifier?
  46. Realistic SA1000, no info?
  47. Repair a PolkAudio psw111
  48. Amp burning or warmup using 100w 10ohm Load Resistor?
  49. Arcam alpha 9 integrated cd input fault
  50. Krell 1 or Krell 2 ?
  51. ALPS Potentiometer 100k ... Blue RK27112MC noise ??
  52. Sony STR-V333ES blowing power board fuse
  53. Mcintosh Mac 1700 Distortion 1 Channel.
  54. Modding BGW 620B to Class A
  55. Issue While Rehabbing an STA-2100, What To Do?
  56. What to do about my smoking Rotel receiver?!?!
  57. quad 405 power amp advice
  58. Marantz AV Surround Receiver SR-73 - turning off problem
  59. DOM amplifier from semarang city!!!!
  60. The Zodiac: 60 Watt Class H Amplifier with 0.0016% THD
  61. VSSA Circlotron
  62. Classe DR-10 Output Transistors
  63. An interesting op amp comparison a la TexInst:
  64. Ian Hegglun's ClassA^3 Cube-Law Amp
  65. Quad clone R39 burnt
  66. Need some help with 5 channel power stage
  67. Marantz PM 43 dead
  68. Current Source Design
  69. Kenwood KA-6100 BIAS to high
  70. Best Buffer to Sum L&R Without Adding to Crosstalk
  71. Marantz PM-80 class A idle adjusting bias
  72. NAD 2600 Cleaning
  73. Technics SU-V 470 NO SOUND?
  74. Onix OA21s (OA22?) Schematic
  75. No global feedback V TO I converter THD: < 0.001%
  76. Choosing the right transformer current rating
  77. CFA Amp with CMCL and HEC Output Stage
  78. Frustrating interconnect question:
  79. Audio amplifier for test and measurement?
  80. Citation 12 differential pair
  81. Transistors for Naim power amp clone
  82. Variance of RF transconductance of audio bipolar transistors from different manufactu
  83. Nakamichi TA2A - "vented" caps on PS board?
  84. Near Zero THD down to the threshold of hearing
  85. WCF AMP IDEA
  86. How to increase gain of Quad 34 preamp.
  87. Marantz PM80 dead within 10 minutes
  88. Can't find the problem!! :(
  89. Low cost stereo Mini-Mosfet
  90. Citation 16a Capacitor question
  91. PEEL 18CV8P Burner
  92. DxS - The Excess amplifier, an SS (Super Special) model from the Dx Corporation
  93. DENON PMA-1560 IDLE ADJUSTING BIAS
  94. Mark Levinson 380S EPROM code
  95. Direct Servo Subwoofer Amp... What is different?
  96. C-Audio RA2001 Repair
  97. Morgan Deva
  98. Yamaha RX v471 Amplifier
  99. Tuning a Jands amplifier sans specs
  100. LD1014d
  101. anybody have salvage PV500 AMP
  102. Quirk when measuring damping factor
  103. Suggest a amp for driving 16 ohm load from 12-24 volt dc supply
  104. DC coupled = worst dynamics - is it true?
  105. crown csl-800(pb2) noise from board
  106. Latest project update to Maplin 50WRMS amplifier.
  107. QSC 1700 ( not series one )
  108. Hybrid Tube-BJT Lin Topology - Tweak Plans
  109. Basic question about wiring in a second input (Leslie)
  110. Low Cost Amplifier Chassis Ideas
  111. Future kit
  112. Nikko Amp Buy Help
  113. nad hafler sonic impact 5066
  114. Leaking caps?
  115. swapping opamps in poweramps
  116. Transistor selection
  117. Next steps to learn small signal amplifier design
  118. Replace caps on Class D amp to improve sound?
  119. Help with Yamaha AX-1050 Transrotor Source Selector cleaning!
  120. Sherwood HP-1000 restomod
  121. Alps Rotary Switch Dropout Issues for Input Select (e.g. Onkyo, Yamaha, Creek)
  122. Replacement for BEL PT4 & PT6 Needed
  123. What kind of upgrades - Arcam Alpha 5 Integrated Amplifier
  124. NAD3020i recap
  125. 200W jfet mosfet amp, no gnfb but output error correction - from my archives
  126. EV AP2600 amp buzz noise
  127. Unity gain power amplifier for guitar
  128. Do the transistors in the VAS stage need to be matched PNP/NPN pair?
  129. Sherwood s-2660 CP
  130. Aragon 24K Volume control noise and dc
  131. Luxman A-384 replacing volume pot
  132. Bennic xpp for input capacitor for amps?
  133. crown DL2 power supply cable question
  134. Sumo Nine Plus output transistor replacement - Sanken 2SC1831
  135. SAE Mark XXXIB blowing fuse: help!
  136. Help for an Audionet Amp 1
  137. Sony STR-K780 sounds dull
  138. Suggestions of articles about designing a Class A JFET pre-amplifier
  139. Weird SKA behaviour
  140. PG 800.5 Issue
  141. How do I test an amp for Damping Factor?
  142. To Screen or not to screen Vbe multiplier leads in HK1400
  143. discharge 10000uf caps
  144. Smooth out turn-on voltage spike - how?
  145. Why are most opamp circuits run off +/-15V and not +/-12V
  146. Incatech Claymore transformer needed
  147. Unstable buffer
  148. PrAT amp for horns. only Naim?
  149. Son of Ampzilla DC on Output
  150. Need help with a home theatre subwoofer
  151. Capacitor in feedback path?
  152. Hafler P1500 power switch replacement help needed
  153. Advice on NAD 3020A broken connector plz :)
  154. N channel baby needs improving
  155. Non-minimum Phase
  156. Grounding issues with P101, RK27 and The Wire
  157. Pioneer sx r9 problem
  158. GainWire-NGNFB-classB-PowerAmp
  159. Amplifier for MJ15003 and MJ15004
  160. Pioneer A51 Dual Transformer Problem
  161. Building my own Amplifier.
  162. pre out
  163. class AB 10.000W RMS @0.5R - 20.000W rms bridged
  164. LTP input stage questions
  165. simulation /compensation
  166. BF862 spice model problem?
  167. what to consider when you have 500ft of speaker cable how to deal cable capacitance?
  168. Kam kxr 2000 v2
  169. help finding a transistor
  170. Moving mic OUTBOARD on Handycam....
  171. Citation 16a display LED issue
  172. DC blocking cap rolloffs FreqRes & Phase
  173. Mini12 - My First Amplifier
  174. TNT PreAmble / PreAmbolo problem....!!!!
  175. JFET switch problem
  176. DIY 6channel powermixer
  177. Marantz PM-66 -- Anyone know the USA equivalent?
  178. Simpliest VAS
  179. signal after power switched off
  180. Rotel 840bx recap project
  181. Uher MA200 - dead again, Protection blinking
  182. Chiro Kinergetics Research C-300/C300 Schematic wanted
  183. Help needed - oscillation found in PA stage
  184. Forte Audio Model Amp
  185. Kenwood home stereo receiver
  186. Sanyo LA4108 'normal' datasheet
  187. About power spec?
  188. Jands J-700 service manual
  189. Increased Bass in one channel?
  190. Transistor fundamentals
  191. Hafler XML 280 cap upgrade problem
  192. Help plan my build - blameless chinese amp
  193. 2SC1775A/2SA872A equiv but with higher VCE max
  194. UL distortion 200watt mkIII
  195. Yamaha b1 advice
  196. In for a solid state joke ?
  197. Blown Kenwood KR-3130?
  198. Identify amp?
  199. Denon AV 2800 Amplifier
  200. Yamaha CA-610 II left channel issue
  201. NAD 3020i 2 transistors VERY hot
  202. John Linsley-Hood Revisited
  203. Subwoofer smelling weird.
  204. Onkyo A-8015
  205. 8 pairs of 2sa1358/2sc3421 what to do ? :D
  206. Please recommand a class-A amp kit.... 3~15W
  207. Damping Factor... Big Deal or Big Pile of BS?
  208. NJM072 opamp question
  209. Replacing 9200uf 50v conditioning caps
  210. paralleling 100uf/100v cap with 20000uf psu cap sounds weired
  211. Vintage Luxman r115 receiver on sound from FM/AM.
  212. What resistor value to put in an NHT X2 Balanced Crossover
  213. Electrocompaniet AW250 SM/Schematic's needed
  214. st151 transistor substitute
  215. What can you guys tell me about the China/ebay AB amps?
  216. Cheaper heat sinks
  217. Yamaha CA-610 II delayed relay
  218. Testing Freq Res of Amps with Voltage Divider...
  219. NAD 1000 Pre-Amp Recap question.
  220. Cheaper Amplifier DIY
  221. Doxa 40 power amp - info required
  222. Classe DR-8 Maintenance
  223. Looking to build my first amp, adding push-pull to 386 need advice
  224. custom MOSFET based output stage under development
  225. Sony TA-5650 V-Fet
  226. L10 Diy complete noob here.
  227. Basic BJT Testing question
  228. Smart phone source?
  229. Pioneer A-77X channel balance
  230. Preventative suggestions?
  231. Compound output stage
  232. Transistor Replacement Question
  233. Help anyone w JVC amp?
  234. Decibels and useful other info
  235. Class A/B SMT output power stage
  236. Any ideas for a 2 ohm 1200W resistive load?
  237. Sharp SX9800 power amp schematic?
  238. Basic lesson on magnetic field and inductance
  239. Op amp in Rotel RB985MKll
  240. QSC PL-325 and PLX-1802 fan cooling noise
  241. Kenwood KA-3500 and my blooper
  242. Is this a filter at amplifer output and can I remove it?
  243. XLR pinout for Burson Audio output buffer AB-160
  244. Marantz PM385 left and right sound doesn't equal.
  245. Hafler DH-220
  246. output transistor topology question
  247. Klipsch KSW15 plate amp repair.
  248. Splitting Nad 3020 phono stage?
  249. Technics SA 626 blowing fuse before transformer
  250. Datasheet and reality

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