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  1. Radiotehnika U-101 repair, modification?
  2. ESP p3a
  3. DC off-set versus no negative feedback...
  4. sima w3050 need the good fuse
  5. Repairing / Modding PS Audio HCA-2.. what am i looking at here?
  6. Bryston 4B ST problem.....?
  7. NAD USB RIAA Head and Line Buffer Amp PP-3 (PP3)-Schematic here-but several Questions
  8. Cyrus 2 + PSX set-up question
  9. Speaker Attenuator DIY
  10. Its only need +50V for +/-45V outputs.
  11. Need a circuit to noise test BJTs
  12. Transistor power dissipation
  13. Adcom GFA-585LE 47uf 160v or 47uf 100v ?
  14. THD spectrum and negative feedback.
  15. Optimizing KMP PA amplifier for HiFi useage
  16. Pioneer SX-626 troubleshooting
  17. Transformer Out of Spec?
  18. About ExtremA amplifier
  19. Denon Poa 1500 Help.. Advice......
  20. Transistor power dissipation
  21. Mission Cyrus Two as mono block?
  22. need more speaker power: pre amp or secondary amp?
  23. Amplifier power supply voltages
  24. Cascode input question
  25. Bass Reduction in a preamplifier?
  26. Line 6 Spider III HD75 Problem
  27. Mcintosh autoformer taps.....Switchable?
  28. best input transformer for OPA627
  29. Inside Orange CR12L
  30. Need help troubleshooting Ruby amp
  31. HH scott 440a
  32. Class A Listening fatigue
  33. Need scheme for 400w mosfet amplifier
  34. Differential amplifier hum reducer
  35. Dear members please help me find schematics for "Vincent SV-238"
  36. NAD C326BEE
  37. Output buffers
  38. CKKIII Help
  39. Help! Krell KAV-300i voltage conversion, not jumpers version
  40. replacing power supply capacitors
  41. CAN I USE THIS POWER SUPPLY FOR NMOS200 247 WHICH PSU NEED TO USE?
  42. Updating the Dynaco Stereo 120
  43. Purpose of series input resistor in guitar preamp?
  44. How to add line-in to a guitar amp?
  45. Amplifier Questions
  46. The Composite / Hybrid- Linear + Switching Power Amplifier
  47. Need 2sk135 and 2sj50 MOSfets
  48. monarchy audio SM70 pro
  49. Inputs not working on skytec pro 240 amp
  50. what do you use to clean pcb
  51. technics SU-A4 service manual
  52. Real World TMC/ETMC applications
  53. Luxman A-357 schematic
  54. adjusting bryston 7B ST
  55. Yamaha R-50 IC Amplifier
  56. Help with NAD 7250PE
  57. I attached two versions of apex550w pcb layout which is better? see my last post.
  58. which apex 550w pcb layout is better?
  59. Denon PMA-S10 II input selector shifting by it self?
  60. which amp is this?
  61. Yamaha P2200 DC offset
  62. What to do with old Hafler XL280?
  63. 300w power stereo amplifier with pcb layout
  64. Replacing broken volume control with digital volume control
  65. Luxman sq503x constant static
  66. LTspice square wave and audio amp test
  67. 6 Channel Homebuilt amp
  68. Service Manual Classe Audio CP-47.5 e CA-201
  69. Crown MT1200 turn on click on channel 2?
  70. High-Power Audio Amplifier Construction Manual
  71. Technics SU 8055 wierd problem
  72. Cheapest Solid State Amp?
  73. Crest pro 7200
  74. Can you bridge 2 channels by splitting XLR?
  75. 120 VAC indicator lamp??
  76. Hafler DH-220 Troubleshooting Help
  77. Transistor circuit simulation
  78. Single gain stage transistor amplifier.
  79. TC9361 tweaking?
  80. FET Microphone preamplifier
  81. Help On Op Amp Options
  82. non inverting op amp input impedance help
  83. No sense of imitation GOLDMUND
  84. DC output ?
  85. Tekko goes complementary bjt
  86. Graphs of Ic and Vce for OC35, BC115 and BC126
  87. HCA 2003a balanced input mod
  88. Amp failure modes, preventing driver cooking
  89. Repair of Crown Micro-Tech
  90. Sansui 551
  91. Hum in NAD 7020
  92. Anybody ever used the mosfet body diode as a rectifier?
  93. Matching 2SC2922 & 2SA1216 Outputs In 8000P
  94. Wiring in Topaz 96610-11 10kva Isolation transformer UGH!
  95. Converting Pioneer VSX-D512 to greatness
  96. A tribute to the late Prof. Leach (LX amp / voltage stage)
  97. crest cc4000
  98. Is fairchild SS9014 a good LTP choice. ??
  99. High power single supply amplifier?
  100. A different (?) line level circuit
  101. Feedback arrangement in vintage 50W amplifier
  102. Amplifier with 2N3055
  103. Looking for Metal Can Equivalents of MPSA42/92, BC182B, BC546B, BC556B, BC449A
  104. KENWOOD/CAR AMP PS150
  105. NAD 3020A Loup pop on switch off
  106. Classe DR-3B
  107. Where in the UK is a trustworthy place to get 2SC5200 and 2SA1943's?
  108. Krell KRC powersupply
  109. ins and outs .
  110. Phase margin with capacitive load
  111. quad 77 amp dead!? help needed
  112. Help finding lightspeed schematics for 2009 green PCB
  113. Complementary to BC115
  114. 2 Speed Fan Controller
  115. square wave oscilloscope question
  116. Power Cord SOCKET for Power Amp Main Con. REWIREABLE-Ultimate Quality and Standart
  117. Transistor Code Marking/Logo S Over H, What Brand?
  118. Need borbely EB-199/320 schematic
  119. MOOLY, HELP HERE!!!
  120. 2SA1361 Transistors
  121. Good Source For Vishay-Siliconix/Motorola 2N5565, or 2N5564 Dual Jfet?
  122. Nytech CA 202 schematic or Servicemanual?
  123. Mounting heatsinks upwards,, yay or nay?
  124. Gigawork F5
  125. ONKYO AVR401: distorted sound in one channel
  126. Subwoofer Amplifier
  127. Luxman M120 distortion and squeal
  128. Crackly sounding amp in powered sub, any thouhts?
  129. Rig an onkyo to be always on mode
  130. Output Power PP AB Stage - Value of Emitter Resistor for thermal Bias Stability
  131. filter recap issue
  132. Massive amp modification - basic questions - Rotel RB991 donor
  133. Motional/active feedback in the car?
  134. Analysing power requirements (Class-A+C/AB2)
  135. wharfedale amplifier schematics
  136. 1000W amp diagram?
  137. please get amp diagram
  138. Input selector Elektuur EPS 86111-1 & -3
  139. Luxman LV104u
  140. Hill Audio Chameleon 1400S/ Dynaudio A-1
  141. Simple mosfet amplifier
  142. Choosing current for LTP?
  143. Proton AM452
  144. does this mosfet schematic looks promising?
  145. Harmon Kardon Citation TwentyTwo Power Amp
  146. Counterpoint SA-100 Head Scratcher
  147. QED A240 schematics?
  148. Grounded Bridge amp, Eagle 7
  149. Amp Advice
  150. Optonica SA-5207 repair
  151. Speed of BJT's or Fairchild vs. NXP BC550
  152. alternative for STK3102-IV
  153. NAD 1020 preamp mods anyone?
  154. 2-Band Baxandall Tone Control
  155. transistor tone control schematic
  156. Issues with Adcom GFA-545
  157. Alchemist Forseti APD21A Pre Amplifier PSU
  158. Robertson Forty Ten noise problem
  159. Preamplifier Power Supply Problems
  160. Adcom GFA565 Cap question
  161. THD in LTSpice ?
  162. Class A schematic for 53VDC power supply?
  163. PSW-D110 C6 cap
  164. SEPP LITTLE SOLID AMP
  165. Behringer A500 thumping in one channel
  166. GE 41011 transistor
  167. Questions about the 2-pole compensation VAS
  168. RA7502 Input Board Biasing
  169. 120v or 240v For XA160.5?
  170. Threshold stasis sa-3.9e
  171. TO3 final P3A
  172. LOOKING FOR YAMAHA A450 SCHEMATIC
  173. Question about wattage of resistance in parallel
  174. implement CCS on a BJT darlington buffer
  175. MPA 3250 Amp
  176. Pioneer SX-1280
  177. Japanese to English translation
  178. Genuine Sanken 2SA1216 Supplier
  179. IRFPS37N50A or IRFBA22N50A as o/p devices
  180. Goldmund Mimesis 3 Clone, World's Best Amplifier!!!!
  181. how to distinguish phenolic pcb from the appearance alone?
  182. Needed: single transistor audio amplifier with positive feedback
  183. Leach amp - need suggestions for output relays
  184. My First Amp
  185. Musical Fidelity A-1 in A/B class?
  186. Sansui Au-505 Schematic Needed
  187. Main On/Off Power Switch for various NAD Amp Models
  188. Question regarding differential amplifiers
  189. Help needed for guitar preamp/power amp schematic.
  190. Opamp/transformer headphone amp
  191. Geddes' amp on this load?
  192. Buzzer circuit?
  193. :'( please help
  194. Crown D-75 Amp
  195. Luxman L-116a Caps
  196. Cheap and Easy Soft Start?
  197. REVOX B750 INTEGRATED AMPLIFIER SCHEMATICS
  198. opinions
  199. Schematics/service manuals for Technics SU-G91?
  200. Pioneer VSX-9500S A/V Receiver under maintenance, need support...
  201. Well Behaved Amps
  202. Arcam Alpha 10 with DAVE, Help wanted!!
  203. Transistors for Sansui AU 717 power supply
  204. MooseFET Preamp Problems
  205. Rail Voltage chart for Amps
  206. Aloia Preamp Repair?
  207. C-Audio RA3001 Diagram?
  208. Inductor wrapped around resistor - what for?
  209. TNT Preamble Modification
  210. AV Receiver turns on for a second, then turns off
  211. Questions about CSA/UL certification of a commercial fully built amp.
  212. Potentiometers
  213. ARTA Settings - Please Help
  214. Phase issue ... advice please
  215. CA 640A + miniDSP Tape in question?
  216. Wharfedale 2050A Integrated Amplifier
  217. Help choosing the right amp?!
  218. Resistors, metal film or metal oxide?
  219. Why are Power Transistors so slow?
  220. which is better for volume control
  221. 60vdc max
  222. Forte Model 44
  223. High-Power Electrocompaniet clone
  224. Removing tone control circuit from Hafler DH-101
  225. Sony STR-DE915 schematic?
  226. EP2500 overheats immediately - bias adjustment?
  227. How to combine the left and right channels with out making everything mono?
  228. HELP! Struggling to find the right amp!
  229. p3a amplifier debugging
  230. Using 6ohm speakers with Audiolab 8000a MK1
  231. AudioSource Amp Two
  232. 2SC3854 in JLH 1969 Class A?
  233. Bipolar capacitors...replacing BG NX
  234. will pay for Belles 1 Series amp info & Schematic
  235. Simples for you experts (fan)
  236. Grundig SV 80M
  237. How much VAS current to drive a pair of lateral FETs?
  238. Fairchild FJA4310
  239. preamp opamps
  240. AVM Evolution M4 or M5 ?
  241. Upgrading a 1994 amplifier
  242. DGE transistors, 2SB737?
  243. Where can I buy old capacitors?
  244. Can someone help me with transistor recommendation?
  245. Need a schematic for an Eico Cortina 3150 integrated amp
  246. Audio level detection - (AGC with comparators)
  247. Hafler DH-500 Inrush Limiter...
  248. Distortion in Sunfire Amplifier
  249. Experiences with class-d.com ?
  250. MPS-U10/U60 replacement

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