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  1. circuit board smelling like toxic waste
  2. Any schematic with 2sk1530...?
  3. Rotel RB991 with -61V on output terminals
  4. Mark Levinson Model 383
  5. How to connect one master clock/ SCKO to multiple devices/ XTIs?
  6. SAFE VOLTAGE
  7. PROTECTION DIODE on HexFET Amp, HELP!
  8. ADCOM GFA-585 LE
  9. Adcom GTP 500 Preamp Motorized Volume Controll
  10. Telefunken HA900, a Rare amplifier
  11. Beefing up a receiver for a 4ohm load?
  12. power amplifier
  13. Help YAMAHA A1
  14. Analog Devices just introduced the MAT12
  15. Stereo amplifier sqeals at idle, distorts on one channel?
  16. Who wants to make me some PCBs?
  17. Low Wattage Multi Channel Amps?
  18. Radiotehnika U-101 repair, modification?
  19. ESP p3a
  20. DC off-set versus no negative feedback...
  21. sima w3050 need the good fuse
  22. Repairing / Modding PS Audio HCA-2.. what am i looking at here?
  23. Bryston 4B ST problem.....?
  24. NAD USB RIAA Head and Line Buffer Amp PP-3 (PP3)-Schematic here-but several Questions
  25. Cyrus 2 + PSX set-up question
  26. Speaker Attenuator DIY
  27. Its only need +50V for +/-45V outputs.
  28. Need a circuit to noise test BJTs
  29. Transistor power dissipation
  30. Adcom GFA-585LE 47uf 160v or 47uf 100v ?
  31. THD spectrum and negative feedback.
  32. Optimizing KMP PA amplifier for HiFi useage
  33. Pioneer SX-626 troubleshooting
  34. Transformer Out of Spec?
  35. About ExtremA amplifier
  36. Denon Poa 1500 Help.. Advice......
  37. Transistor power dissipation
  38. Mission Cyrus Two as mono block?
  39. need more speaker power: pre amp or secondary amp?
  40. Amplifier power supply voltages
  41. Cascode input question
  42. Bass Reduction in a preamplifier?
  43. Line 6 Spider III HD75 Problem
  44. Mcintosh autoformer taps.....Switchable?
  45. best input transformer for OPA627
  46. Inside Orange CR12L
  47. Need help troubleshooting Ruby amp
  48. HH scott 440a
  49. Class A Listening fatigue
  50. Need scheme for 400w mosfet amplifier
  51. Differential amplifier hum reducer
  52. Dear members please help me find schematics for "Vincent SV-238"
  53. NAD C326BEE
  54. Output buffers
  55. CKKIII Help
  56. Help! Krell KAV-300i voltage conversion, not jumpers version
  57. replacing power supply capacitors
  58. CAN I USE THIS POWER SUPPLY FOR NMOS200 247 WHICH PSU NEED TO USE?
  59. Updating the Dynaco Stereo 120
  60. Purpose of series input resistor in guitar preamp?
  61. How to add line-in to a guitar amp?
  62. Amplifier Questions
  63. The Composite / Hybrid- Linear + Switching Power Amplifier
  64. Need 2sk135 and 2sj50 MOSfets
  65. monarchy audio SM70 pro
  66. Inputs not working on skytec pro 240 amp
  67. what do you use to clean pcb
  68. technics SU-A4 service manual
  69. Real World TMC/ETMC applications
  70. Luxman A-357 schematic
  71. adjusting bryston 7B ST
  72. Yamaha R-50 IC Amplifier
  73. Help with NAD 7250PE
  74. I attached two versions of apex550w pcb layout which is better? see my last post.
  75. which apex 550w pcb layout is better?
  76. Denon PMA-S10 II input selector shifting by it self?
  77. which amp is this?
  78. Yamaha P2200 DC offset
  79. What to do with old Hafler XL280?
  80. 300w power stereo amplifier with pcb layout
  81. Replacing broken volume control with digital volume control
  82. Luxman sq503x constant static
  83. LTspice square wave and audio amp test
  84. 6 Channel Homebuilt amp
  85. Service Manual Classe Audio CP-47.5 e CA-201
  86. Crown MT1200 turn on click on channel 2?
  87. High-Power Audio Amplifier Construction Manual
  88. Technics SU 8055 wierd problem
  89. Cheapest Solid State Amp?
  90. Crest pro 7200
  91. Can you bridge 2 channels by splitting XLR?
  92. 120 VAC indicator lamp??
  93. Hafler DH-220 Troubleshooting Help
  94. Transistor circuit simulation
  95. Single gain stage transistor amplifier.
  96. TC9361 tweaking?
  97. FET Microphone preamplifier
  98. Help On Op Amp Options
  99. non inverting op amp input impedance help
  100. No sense of imitation GOLDMUND
  101. DC output ?
  102. Tekko goes complementary bjt
  103. Graphs of Ic and Vce for OC35, BC115 and BC126
  104. HCA 2003a balanced input mod
  105. Amp failure modes, preventing driver cooking
  106. Repair of Crown Micro-Tech
  107. Sansui 551
  108. Hum in NAD 7020
  109. Anybody ever used the mosfet body diode as a rectifier?
  110. Matching 2SC2922 & 2SA1216 Outputs In 8000P
  111. Wiring in Topaz 96610-11 10kva Isolation transformer UGH!
  112. Converting Pioneer VSX-D512 to greatness
  113. A tribute to the late Prof. Leach (LX amp / voltage stage)
  114. crest cc4000
  115. Is fairchild SS9014 a good LTP choice. ??
  116. High power single supply amplifier?
  117. A different (?) line level circuit
  118. Feedback arrangement in vintage 50W amplifier
  119. Amplifier with 2N3055
  120. Looking for Metal Can Equivalents of MPSA42/92, BC182B, BC546B, BC556B, BC449A
  121. KENWOOD/CAR AMP PS150
  122. NAD 3020A Loud pop on switch off
  123. Classe DR-3B
  124. Where in the UK is a trustworthy place to get 2SC5200 and 2SA1943's?
  125. Krell KRC powersupply
  126. ins and outs .
  127. Phase margin with capacitive load
  128. quad 77 amp dead!? help needed
  129. Help finding lightspeed schematics for 2009 green PCB
  130. Complementary to BC115
  131. 2 Speed Fan Controller
  132. square wave oscilloscope question
  133. Power Cord SOCKET for Power Amp Main Con. REWIREABLE-Ultimate Quality and Standart
  134. Transistor Code Marking/Logo S Over H, What Brand?
  135. Need borbely EB-199/320 schematic
  136. MOOLY, HELP HERE!!!
  137. 2SA1361 Transistors
  138. Good Source For Vishay-Siliconix/Motorola 2N5565, or 2N5564 Dual Jfet?
  139. Nytech CA 202 schematic or Servicemanual?
  140. Mounting heatsinks upwards,, yay or nay?
  141. Gigawork F5
  142. ONKYO AVR401: distorted sound in one channel
  143. Subwoofer Amplifier
  144. Luxman M120 distortion and squeal
  145. Crackly sounding amp in powered sub, any thouhts?
  146. Rig an onkyo to be always on mode
  147. Output Power PP AB Stage - Value of Emitter Resistor for thermal Bias Stability
  148. filter recap issue
  149. Massive amp modification - basic questions - Rotel RB991 donor
  150. Motional/active feedback in the car?
  151. Analysing power requirements (Class-A+C/AB2)
  152. wharfedale amplifier schematics
  153. 1000W amp diagram?
  154. please get amp diagram
  155. Input selector Elektuur EPS 86111-1 & -3
  156. Luxman LV104u
  157. Hill Audio Chameleon 1400S/ Dynaudio A-1
  158. Simple mosfet amplifier
  159. Choosing current for LTP?
  160. Proton AM452
  161. does this mosfet schematic looks promising?
  162. Harmon Kardon Citation TwentyTwo Power Amp
  163. Counterpoint SA-100 Head Scratcher
  164. QED A240 schematics?
  165. Grounded Bridge amp, Eagle 7
  166. Amp Advice
  167. Optonica SA-5207 repair
  168. Speed of BJT's or Fairchild vs. NXP BC550
  169. alternative for STK3102-IV
  170. NAD 1020 preamp mods anyone?
  171. 2-Band Baxandall Tone Control
  172. transistor tone control schematic
  173. Issues with Adcom GFA-545
  174. Alchemist Forseti APD21A Pre Amplifier PSU
  175. Robertson Forty Ten noise problem
  176. Preamplifier Power Supply Problems
  177. Adcom GFA565 Cap question
  178. THD in LTSpice ?
  179. Class A schematic for 53VDC power supply?
  180. PSW-D110 C6 cap
  181. SEPP LITTLE SOLID AMP
  182. Behringer A500 thumping in one channel
  183. GE 41011 transistor
  184. Questions about the 2-pole compensation VAS
  185. RA7502 Input Board Biasing
  186. 120v or 240v For XA160.5?
  187. Threshold stasis sa-3.9e
  188. TO3 final P3A
  189. LOOKING FOR YAMAHA A450 SCHEMATIC
  190. Question about wattage of resistance in parallel
  191. implement CCS on a BJT darlington buffer
  192. MPA 3250 Amp
  193. Pioneer SX-1280
  194. Japanese to English translation
  195. Genuine Sanken 2SA1216 Supplier
  196. IRFPS37N50A or IRFBA22N50A as o/p devices
  197. Goldmund Mimesis 3 Clone, World's Best Amplifier!!!!
  198. how to distinguish phenolic pcb from the appearance alone?
  199. Needed: single transistor audio amplifier with positive feedback
  200. Leach amp - need suggestions for output relays
  201. My First Amp
  202. Musical Fidelity A-1 in A/B class?
  203. Sansui Au-505 Schematic Needed
  204. Main On/Off Power Switch for various NAD Amp Models
  205. Question regarding differential amplifiers
  206. Help needed for guitar preamp/power amp schematic.
  207. Opamp/transformer headphone amp
  208. Geddes' amp on this load?
  209. Buzzer circuit?
  210. :'( please help
  211. Crown D-75 Amp
  212. Luxman L-116a Caps
  213. Cheap and Easy Soft Start?
  214. REVOX B750 INTEGRATED AMPLIFIER SCHEMATICS
  215. opinions
  216. Schematics/service manuals for Technics SU-G91?
  217. Pioneer VSX-9500S A/V Receiver under maintenance, need support...
  218. Well Behaved Amps
  219. Arcam Alpha 10 with DAVE, Help wanted!!
  220. Transistors for Sansui AU 717 power supply
  221. MooseFET Preamp Problems
  222. Rail Voltage chart for Amps
  223. Aloia Preamp Repair?
  224. C-Audio RA3001 Diagram?
  225. Inductor wrapped around resistor - what for?
  226. TNT Preamble Modification
  227. AV Receiver turns on for a second, then turns off
  228. Questions about CSA/UL certification of a commercial fully built amp.
  229. Potentiometers
  230. ARTA Settings - Please Help
  231. Phase issue ... advice please
  232. CA 640A + miniDSP Tape in question?
  233. Wharfedale 2050A Integrated Amplifier
  234. Help choosing the right amp?!
  235. Resistors, metal film or metal oxide?
  236. Why are Power Transistors so slow?
  237. which is better for volume control
  238. 60vdc max
  239. Forte Model 44
  240. High-Power Electrocompaniet clone
  241. Removing tone control circuit from Hafler DH-101
  242. Sony STR-DE915 schematic?
  243. EP2500 overheats immediately - bias adjustment?
  244. How to combine the left and right channels with out making everything mono?
  245. HELP! Struggling to find the right amp!
  246. p3a amplifier debugging
  247. Using 6ohm speakers with Audiolab 8000a MK1
  248. AudioSource Amp Two
  249. 2SC3854 in JLH 1969 Class A?
  250. Bipolar capacitors...replacing BG NX

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