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  1. Can you help me about 2sb649A/2sd669A
  2. Atom sized transistor...
  3. Need help identifying a fuse replacement
  4. Repairing a fuse on solid state amplifier?
  5. bora techno amplifier power supply
  6. Yamaha M50 amp went tilt???
  7. Anyone have the transistor 2N176 complete datasheet
  8. Balanced conversion with Lundahl transformer
  9. Upgrades and Restoring
  10. Pioneer receiver mod
  11. Help with dissecting first amp
  12. Phase Linear 400 Series 2 Repair
  13. Opinions on Denon PMA700AE amp?
  14. How to Parallel Lateral MOSFETs...
  15. agc preamp distortion
  16. Weird power-up behaviour of my Velleman amp kits...
  17. Blameless, Dx was wrong, it is a very good amplifier
  18. BIAS on Kenwood L-05M
  19. Smart Folded Cascode power amp, SFCamp
  20. McIntosh Power Amplifier Power Guard
  21. Output transformer matching to active device driving it
  22. Linn Lk2 Poweramp
  23. Thermal compensation circuit
  24. Schematic for HK Citation 22
  25. can a musical fidelity pre drive my hd600 cans ?
  26. KRELL 484081 and 484002 output transistors remplaces codes. HELP!!!
  27. can't play stereo
  28. Sony TA-N7B VFET Help!!
  29. Ryan regulators not regulating?
  30. Carver TFM-15 - Need Help!
  31. gemini GX-350 Powered Speaker
  32. Suddenly Loud Hum in Hafler DH-101
  33. Differential to differential amplifier
  34. Fakes Toshiba 2N3773 photos ?
  35. schematic for AKAI AM=M939
  36. krell 300i preamp schematic needed
  37. speaker/amplifer volts, watts, ampere, impedance calculator
  38. Krell Peamp Clones
  39. Shearne reference Phase 2 amp - capacitors for power supply.
  40. Interesting thread on DIY
  41. Lesson learned - fried my Hafler - what went wrong?
  42. Hafler 1K trimpot fried - how do I replace?
  43. HELP!!!, KRELL KSA-100S Service Manual wanted!!!!
  44. P3A PCB wanted!! Thanks
  45. Recommended output transistor for Class A amplifier
  46. Fotios need help with input selector. Rotary switch or Relays?
  47. Fotios need help with power supply smoothing capacitors.
  48. Quad 405 mains transformer?
  49. Philips FA-911 Service manual
  50. Help with a NAP 150
  51. SWR SM-900 schematic
  52. NAD 7250PE receiver
  53. Sziklai output
  54. CS800 puzzler.....
  55. Technics SU-Z2 refresh or modification
  56. Need help with a power supply
  57. Replacing the bias adjustment pot?
  58. Most proper way to switch inputs?
  59. adcom 555II part sources
  60. Need checklist advice for health check-up - Hafler P500 (DH-500) Power Amp
  61. Kenwood Basic M1 Amplifier
  62. VAS mirror
  63. Mission 776 preamp mods
  64. Input selection and volume control with balanced output, transportable?
  65. Carver M-500t Protection Relay
  66. Meridan 557 Softstart and power caps
  67. Faulty Sansui BA-F1 could use some help
  68. Audiolab 8000a strange fault
  69. schematics sansui TU 317
  70. Modifying the SC480 for 2 ohm load
  71. Musical fidelity P270 and A370 fets
  72. testing Vce0 ?
  73. Specs on Forte 1A amp
  74. PC and 5.1 Channel Amp
  75. Refreshing a DH-200 Hafler
  76. Yamaha rx-v690 lightning hit
  77. Luxman LV-102
  78. alternatives for Quad303 transistors
  79. Pre-amplifier Project Help
  80. HELP-- I need a simple 50W AMP circuit ---
  81. Help with mdification of subwoofer amp
  82. having a hard time finding....
  83. JVC classic receiver find
  84. Symmetrical differential vs symmetrical non-differential VAS
  85. Anyone heard of AVITEC PRO amp (old!)
  86. wanted: Marantz 16 schematic
  87. replacing 2SC3281/2SA1302 outputs, transistor matching
  88. power supply
  89. No transformer power supply
  90. Upgrading a Yamaha M-70 power amp?
  91. Amp Contruction on PCB - Question
  92. Adcom GTP-450 Remote
  93. need help for NAD 3020a
  94. Symmetrical Phono Amplifier
  95. DC protection philosophy- need opinions.
  96. Help Modifying an amplifier schematic
  97. Marantz PM4400 Amplifier
  98. Krell KSA 80 bias & dc offset check & adjust procedure
  99. Multi-stage amplification
  100. Need a opamp suggestion to replace a NJM4558D
  101. Strange noise...?
  102. Lamp for Rod Elliott ESP#22 Wein Bridge Osc?
  103. Developement of simple Class A Amp
  104. I have hum and DC-problems
  105. Techsonic USA
  106. Nikko pre-amplifier Beta II schematics for driving my F4
  107. Preamp noisy - 100K pot?Relays?
  108. Help kenwood stereo receiver audio prob
  109. Arcam Alpha 10 Power Amplifier
  110. Guys....I need help BAD!!!!
  111. SKA, ASKA and LifeForce VS a commercially available amplifier?
  112. P3A problem
  113. switchmode battery charger
  114. Is this possible?
  115. Different models of amp in bi/tri amp systems
  116. tweaking classic Linn LK1 & LK2 / LK280
  117. M250
  118. Biamp Buffer - Finished
  119. AB class poweramp help understanding ?????
  120. GE Integrated Amp Problems
  121. TA-377A Complementary Symmetrical FET Pre Amp
  122. Capabilities of 2SK1058 & 2SJ162
  123. 2500 watt class AB
  124. ANA Audio Research APA 8 Power Amplifier. Heard of it?
  125. ID of component
  126. Guys......Need help in an AMP Prj
  127. Yamaha Receiver Mods
  128. finished project forum
  129. TRIO / KENWOOD L-05M Monoblocks Repair Thread
  130. Doug Self editing errors
  131. PSU for a Gram-amp phono? Regulated or not?
  132. arcam alpha 7 amp
  133. NEED HELP for Pioneer A400x mods
  134. Input capacitance and fT plots for MJE15032/MJE15033.
  135. Help kenwood stereo receiver audio prob
  136. Is a OPA445 AC stable with 100% Cap feedback at HF?
  137. Nakamichi PA5 dead
  138. Germanium transistors work fine in output stages ?
  139. cambridge a5 channel died help!
  140. New National driver chip for BIG amps
  141. Balanced amplifier alternatives
  142. Classe 10 Power Amp
  143. Seeking amplifier kit advice which 1 to build?
  144. Where to find NAD 218 schematic??
  145. Negative Sziklai
  146. Maximum device dissipation
  147. I need NAD 701 receiver schematic/manual
  148. Add volume knob to quad 303
  149. sansui AUX911DG repair tips
  150. How to calculate gain?
  151. Help COLD OCL 300W Burn....
  152. Attaching and Isolating TO-220 devices from heatsink
  153. MC2 1250 service manual?
  154. Biasing/thermal compensation of Thermal Trak transistors
  155. Marantz 1060 Blown Left Channel
  156. Krell KSP7B external power supply
  157. Leach amp VAS protection
  158. Help With Pioneer SA-9800 Please
  159. RS-1035 help....
  160. Electrocompaniet 100DMB power Amp
  161. company info
  162. What is this topology called?
  163. coil current rating for this amp
  164. Capacitor Help
  165. Looking for a NAD 2140 schematic
  166. Is there a bass/guitar/vocal amp?
  167. i need LUXMAN B-10 service manual
  168. Akai 'Boombox' AJ 505 parts needed
  169. NAD 2200 help with line voltage selector
  170. New to all this - help with leach amp please
  171. AKAI GXC-39D Tape Deck head advice
  172. library of voltage regulator models
  173. 2 stroke heatsinks
  174. need a schematic for Sonographe SC25 preamp
  175. Mark Levinson 36 Voltage Conversion
  176. Help with Technics SA-5370K receiver
  177. Need to know a good repair source
  178. power output for mjl21194/94
  179. mystery regulator?
  180. Troubleshooting Hafler P230.
  181. powerfull schematic
  182. Pioneer SA540 Schematics
  183. Ferrograph 'F307'
  184. My Last Smps Project
  185. Help me fix this Yamaha YST-SW015 subwoofer
  186. Pga2310ua
  187. Newbie's NAD 701 receiver hums, clicks, shuts down
  188. dodgy riddle - problems repairing an amp
  189. Adcom 555
  190. Need to make sequential power strip
  191. Marantz PM-17 repair
  192. Bass Preamp
  193. Best OP Amplifier in the World!! Look Amp Circuit
  194. tweeter ( Compression driver) protection circuit
  195. How to measure Wattage of an Amp
  196. Preamp PS has too high a voltage- insert R?
  197. Rotel RB-850: Transformer needed
  198. arcam advice
  199. Compensation capacitor Cdom
  200. Need Help w/ Carver Sub Amp
  201. Yamaha MX1 voltage stage problems
  202. Here's a 20 watt amp, very simple but sound good
  203. irf450 & single channel amp
  204. Fairchild S42728 replacement needed
  205. Pure Class A Single End Amplifier Idea!
  206. SC480 woes/ need smart people :D
  207. QED Vector Reference
  208. Klipsch 2.1 with tl074cn Preamps - - What can I do??
  209. P88 Preamp problem
  210. (Homebrew) Fuzz/Distortion, I need EQ, minus OpAmps
  211. onkyo tx930
  212. Biamping silliness
  213. Distortion? or Clipping?
  214. Help Me Please!!!
  215. working out component values for bc108 preamp
  216. output impedance testing
  217. 12v chipamp w/ ~100watt THD+ N <0.05%
  218. skytec 6950 amp wrong specs on manual
  219. How can I integrate a Baxandall Tone Control
  220. distortion in silonex limiter with nsl32sr3
  221. Source Manufacturing - C-Mark, Thomann and Audiohead Amps
  222. Marantz SR5300 Receiver Problems
  223. Heathkit AA-1600
  224. Quad 405 Op-Amp Power Supply
  225. Simple passive preamp. Neen some help in grounding.
  226. IC Power regulator
  227. blameless amp and doug self
  228. Input Noise Guarding of OPAmps
  229. DIY Class-A audio amplifier
  230. speakon to RCA help
  231. Best low budget OPAmp ?
  232. AKAI AM 76 increase of damping factors
  233. Pre-Out Splitting
  234. bass preamp and power amp
  235. Regulated PSU??
  236. mosfet choice
  237. Doug Self Circuits
  238. Diy Solid State Preamp
  239. Harman Kardon 6550 amp fault finding
  240. Levinson ML-3 mono parallel configuration
  241. ampilifer schemtics
  242. Armstrong 521 Amplifier
  243. VAS thermal tracking and distortion
  244. Adjustable power supply to replace volume control
  245. LME49710 -- new passive RIAA Circuit
  246. SWM Seeking JFET /w low noise + high Vp
  247. PS Audio 200 CX Revisited
  248. JLH vs Mcintosh class B amp which sounds good
  249. would this be a good preamp?
  250. Cambridge Audio A1 power amp section schematic?

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