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  1. Help repair Krell KSA-50S
  2. Help repair Pioneer A400x
  3. [Newbie]Building a dock station
  4. Who test Cambridge 840A ? v1 v2
  5. Troubleshoot Technical Pro HB2502U
  6. holton AV400 help..??
  7. Is this a bad scheme
  8. Thoughts on the velleman K8060?
  9. Watts or Whatts..... What makes the difference
  10. Quiet 12V cooling fan for pro amp (24V supply)?
  11. Opinions on this tone control
  12. Defending Bose
  13. Bi amplification
  14. Amp cutting in and out
  15. Noisy pot...
  16. CHANNEL IMBALANCE in your Volume Pot - Some Thoughts
  17. What do you think about this amp?
  18. Advice for hearing impaired setup on a new television?
  19. Hiraga 20 watt, output transistor biasing
  20. Yamaha CA-1000 schematics
  21. Musical Fidelity MVT Noises
  22. Mute Relais...
  23. Van Alstine Amp: Mod/upgrade suggestions, anyone?
  24. Help needed mono use of stereo Amp.
  25. Question about Marantz 2235b use as preamp
  26. Importance of layout
  27. Musical Fidelity E-1 and E-11 schematic
  28. Carver PM 1.5 That Just Won't Quit--Power Down
  29. Audiolab 8000A getting hot
  30. Carver Sunfire Amp
  31. Distortion measurements, THD, IMD-what card?
  32. Connecting grounds on amplifier output
  33. Inexpensive module using +/-75 VDC rails?
  34. P channel mosfet amp
  35. Wich Preamp to use with an Chipamp? and my SoundCard.
  36. ACD100NSD spice model ?
  37. Proton AM-30: Blown 2SA1302-2SC3281
  38. Problems with speaker protection kit
  39. MPS3394 Substitut
  40. preamps
  41. 63watt class A into 8Ohm, 110watt semi-class A into 8Ohm, @ 20Khz 3rd harmonic -90dB
  42. Skytec PRO240 blown output - circuit diagram?
  43. Amplifer clipping.....
  44. musical fidelity p170 power amp
  45. amp that allows for remotely located line level controls?
  46. Quasi complementary outputs in a full complementary circuit
  47. Quasi complementary outputs in a full complementary circuit
  48. PA amp for home use
  49. Really simple lateral mosfet amplifier
  50. MARANTZ SR 1000 SCHEMATICS
  51. Cyrus 3 Buzzing fault - help please
  52. Fake onsemi 2N3773
  53. Threshold Stasis 2 Class A Power Amp - bias setting?
  54. Ben Duncan Amp-01
  55. 200 watt Class A Amp bias recomendations
  56. Barney Oliver Amplifier: HP Team Produces Superb Stereo Units (Sorry, All Sold Out)
  57. Jfet aikido
  58. !!DC Leakage!!
  59. Balanced vs non-balanced crossover to power amp (Krell KSA100MKII clone) question
  60. Adcom GCA-510 DC Offset
  61. circuit board smelling like toxic waste
  62. Any schematic with 2sk1530...?
  63. Rotel RB991 with -61V on output terminals
  64. Mark Levinson Model 383
  65. How to connect one master clock/ SCKO to multiple devices/ XTIs?
  66. SAFE VOLTAGE
  67. PROTECTION DIODE on HexFET Amp, HELP!
  68. ADCOM GFA-585 LE
  69. Adcom GTP 500 Preamp Motorized Volume Controll
  70. Telefunken HA900, a Rare amplifier
  71. Beefing up a receiver for a 4ohm load?
  72. power amplifier
  73. Help YAMAHA A1
  74. Analog Devices just introduced the MAT12
  75. Stereo amplifier sqeals at idle, distorts on one channel?
  76. Who wants to make me some PCBs?
  77. Low Wattage Multi Channel Amps?
  78. Radiotehnika U-101 repair, modification?
  79. ESP p3a
  80. DC off-set versus no negative feedback...
  81. sima w3050 need the good fuse
  82. Repairing / Modding PS Audio HCA-2.. what am i looking at here?
  83. Bryston 4B ST problem.....?
  84. NAD USB RIAA Head and Line Buffer Amp PP-3 (PP3)-Schematic here-but several Questions
  85. Cyrus 2 + PSX set-up question
  86. Speaker Attenuator DIY
  87. Its only need +50V for +/-45V outputs.
  88. Need a circuit to noise test BJTs
  89. Transistor power dissipation
  90. Adcom GFA-585LE 47uf 160v or 47uf 100v ?
  91. THD spectrum and negative feedback.
  92. Optimizing KMP PA amplifier for HiFi useage
  93. Pioneer SX-626 troubleshooting
  94. Transformer Out of Spec?
  95. About ExtremA amplifier
  96. Denon Poa 1500 Help.. Advice......
  97. Transistor power dissipation
  98. Mission Cyrus Two as mono block?
  99. need more speaker power: pre amp or secondary amp?
  100. Amplifier power supply voltages
  101. Cascode input question
  102. Bass Reduction in a preamplifier?
  103. Line 6 Spider III HD75 Problem
  104. Mcintosh autoformer taps.....Switchable?
  105. best input transformer for OPA627
  106. Need help troubleshooting Ruby amp
  107. HH scott 440a
  108. Class A Listening fatigue
  109. Need scheme for 400w mosfet amplifier
  110. Differential amplifier hum reducer
  111. Dear members please help me find schematics for "Vincent SV-238"
  112. NAD C326BEE
  113. Output buffers
  114. CKKIII Help
  115. Help! Krell KAV-300i voltage conversion, not jumpers version
  116. replacing power supply capacitors
  117. CAN I USE THIS POWER SUPPLY FOR NMOS200 247 WHICH PSU NEED TO USE?
  118. Updating the Dynaco Stereo 120
  119. Amplifier Questions
  120. The Composite / Hybrid- Linear + Switching Power Amplifier
  121. Need 2sk135 and 2sj50 MOSfets
  122. monarchy audio SM70 pro
  123. Inputs not working on skytec pro 240 amp
  124. what do you use to clean pcb
  125. technics SU-A4 service manual
  126. Real World TMC/ETMC applications
  127. Luxman A-357 schematic
  128. adjusting bryston 7B ST
  129. Yamaha R-50 IC Amplifier
  130. Help with NAD 7250PE
  131. I attached two versions of apex550w pcb layout which is better? see my last post.
  132. which apex 550w pcb layout is better?
  133. Denon PMA-S10 II input selector shifting by it self?
  134. which amp is this?
  135. Yamaha P2200 DC offset
  136. What to do with old Hafler XL280?
  137. 300w power stereo amplifier with pcb layout
  138. Replacing broken volume control with digital volume control
  139. Luxman sq503x constant static
  140. LTspice square wave and audio amp test
  141. 6 Channel Homebuilt amp
  142. Service Manual Classe Audio CP-47.5 e CA-201
  143. Crown MT1200 turn on click on channel 2?
  144. High-Power Audio Amplifier Construction Manual
  145. Technics SU 8055 wierd problem
  146. Cheapest Solid State Amp?
  147. Crest pro 7200
  148. Can you bridge 2 channels by splitting XLR?
  149. 120 VAC indicator lamp??
  150. Hafler DH-220 Troubleshooting Help
  151. Transistor circuit simulation
  152. Single gain stage transistor amplifier.
  153. TC9361 tweaking?
  154. FET Microphone preamplifier
  155. Help On Op Amp Options
  156. non inverting op amp input impedance help
  157. No sense of imitation GOLDMUND
  158. DC output ?
  159. Tekko goes complementary bjt
  160. Graphs of Ic and Vce for OC35, BC115 and BC126
  161. HCA 2003a balanced input mod
  162. Amp failure modes, preventing driver cooking
  163. Repair of Crown Micro-Tech
  164. Sansui 551
  165. Hum in NAD 7020
  166. Anybody ever used the mosfet body diode as a rectifier?
  167. Matching 2SC2922 & 2SA1216 Outputs In 8000P
  168. Wiring in Topaz 96610-11 10kva Isolation transformer UGH!
  169. Converting Pioneer VSX-D512 to greatness
  170. A tribute to the late Prof. Leach (LX amp / voltage stage)
  171. crest cc4000
  172. Is fairchild SS9014 a good LTP choice. ??
  173. High power single supply amplifier?
  174. A different (?) line level circuit
  175. Feedback arrangement in vintage 50W amplifier
  176. Amplifier with 2N3055
  177. Looking for Metal Can Equivalents of MPSA42/92, BC182B, BC546B, BC556B, BC449A
  178. KENWOOD/CAR AMP PS150
  179. NAD 3020A Loud pop on switch off
  180. Classe DR-3B
  181. Where in the UK is a trustworthy place to get 2SC5200 and 2SA1943's?
  182. Krell KRC powersupply
  183. ins and outs .
  184. Phase margin with capacitive load
  185. quad 77 amp dead!? help needed
  186. Help finding lightspeed schematics for 2009 green PCB
  187. Complementary to BC115
  188. 2 Speed Fan Controller
  189. square wave oscilloscope question
  190. Power Cord SOCKET for Power Amp Main Con. REWIREABLE-Ultimate Quality and Standart
  191. Transistor Code Marking/Logo S Over H, What Brand?
  192. Need borbely EB-199/320 schematic
  193. MOOLY, HELP HERE!!!
  194. 2SA1361 Transistors
  195. Good Source For Vishay-Siliconix/Motorola 2N5565, or 2N5564 Dual Jfet?
  196. Nytech CA 202 schematic or Servicemanual?
  197. Mounting heatsinks upwards,, yay or nay?
  198. Gigawork F5
  199. ONKYO AVR401: distorted sound in one channel
  200. Subwoofer Amplifier
  201. Luxman M120 distortion and squeal
  202. Crackly sounding amp in powered sub, any thouhts?
  203. Rig an onkyo to be always on mode
  204. Output Power PP AB Stage - Value of Emitter Resistor for thermal Bias Stability
  205. filter recap issue
  206. Massive amp modification - basic questions - Rotel RB991 donor
  207. Motional/active feedback in the car?
  208. Analysing power requirements (Class-A+C/AB2)
  209. wharfedale amplifier schematics
  210. 1000W amp diagram?
  211. please get amp diagram
  212. Input selector Elektuur EPS 86111-1 & -3
  213. Luxman LV104u
  214. Hill Audio Chameleon 1400S/ Dynaudio A-1
  215. Simple mosfet amplifier
  216. Choosing current for LTP?
  217. Proton AM452
  218. does this mosfet schematic looks promising?
  219. Harmon Kardon Citation TwentyTwo Power Amp
  220. Counterpoint SA-100 Head Scratcher
  221. QED A240 schematics?
  222. Grounded Bridge amp, Eagle 7
  223. Amp Advice
  224. Optonica SA-5207 repair
  225. Speed of BJT's or Fairchild vs. NXP BC550
  226. alternative for STK3102-IV
  227. NAD 1020 preamp mods anyone?
  228. 2-Band Baxandall Tone Control
  229. transistor tone control schematic
  230. Issues with Adcom GFA-545
  231. Alchemist Forseti APD21A Pre Amplifier PSU
  232. Robertson Forty Ten noise problem
  233. Preamplifier Power Supply Problems
  234. Adcom GFA565 Cap question
  235. THD in LTSpice ?
  236. Class A schematic for 53VDC power supply?
  237. PSW-D110 C6 cap
  238. SEPP LITTLE SOLID AMP
  239. GE 41011 transistor
  240. Questions about the 2-pole compensation VAS
  241. RA7502 Input Board Biasing
  242. 120v or 240v For XA160.5?
  243. Threshold stasis sa-3.9e
  244. TO3 final P3A
  245. LOOKING FOR YAMAHA A450 SCHEMATIC
  246. Question about wattage of resistance in parallel
  247. implement CCS on a BJT darlington buffer
  248. MPA 3250 Amp
  249. Pioneer SX-1280
  250. Japanese to English translation

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