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  1. pre and psu are good?opinion
  2. Measuring resistors
  3. Wirewound Pot Law Fake with Wirewound Resistor
  4. I just want a volume control pre-amp
  5. Eagle package for IRFP9240
  6. soundcraftsmen a5002
  7. A couple of transformer questions
  8. Phototronics PA630/630A datasheet
  9. PLAYMASTER 40/40 - schematic needed
  10. Power horizontal deflection transistors work fine in output stages ?
  11. Tone Control One Knob Need Help
  12. Audiolab 8000T no sound
  13. Please Help!!! Decoupling Zeners
  14. Service manuals service manuals service manuals free free free
  15. PCI Oscilloscope card
  16. peavey transistors
  17. Dynaco ST-150 mods
  18. Upping voltage on a toroid
  19. SAE P101 won't switch off!
  20. any build this..how sound
  21. Simple class-A amp - miniClamp
  22. Help understanding a darlington pair
  23. Bridge amp config comparison
  24. Looking for info Adcom
  25. Krell 300i schematic wanted asap
  26. DH101 troubleshooting
  27. John Curl amp
  28. Marshall MG50DFX Schematic wanted...
  29. schematics sony Ta- F6B
  30. can jensen alx2000 power alpine type s 6x9
  31. ESP P-101 parts list
  32. My take on regulators
  33. Optimizing amplifier for specific frequency bands?
  34. VERY old transistors for free!
  35. What to do with these 4 consoles? Please Help!
  36. Leach Amp tactile power-on switch
  37. The "Classical Class A" amp ? Comments?
  38. beta influence
  39. Historic Rotel Amps 1980's
  40. circuit board problems for AVT50H
  41. THERMAL COMPENSATION OF Vbe MULTIPLIER
  42. Luxman Av Receiver Rv-357
  43. Simulation of the JE-990 OP Amp By Deane Jensen
  44. P3a HELP(Please comment my PCB? thanks!!)
  45. Looking for SPICE model - LM394
  46. Comparison Of Onsemi Vs Toshiba Transistor
  47. help ME!!!!
  48. my carver hr-752
  49. Help for identify a transistor manufacturer
  50. Parasound HCA-2000 Problem
  51. Hafler XL280 mods gain/low frequency cutoff problem
  52. PCB layout for audio
  53. Unknown transistor - Help !!!
  54. Source for Cool CIT Switches with LEDs
  55. On IRF540/9540
  56. Matched JFETs
  57. Thermal impact of different insulators
  58. Can you help me about 2sb649A/2sd669A
  59. Atom sized transistor...
  60. Need help identifying a fuse replacement
  61. Repairing a fuse on solid state amplifier?
  62. bora techno amplifier power supply
  63. Yamaha M50 amp went tilt???
  64. Anyone have the transistor 2N176 complete datasheet
  65. Balanced conversion with Lundahl transformer
  66. Upgrades and Restoring
  67. Pioneer receiver mod
  68. Help with dissecting first amp
  69. Phase Linear 400 Series 2 Repair
  70. Opinions on Denon PMA700AE amp?
  71. How to Parallel Lateral MOSFETs...
  72. agc preamp distortion
  73. Weird power-up behaviour of my Velleman amp kits...
  74. Blameless, Dx was wrong, it is a very good amplifier
  75. BIAS on Kenwood L-05M
  76. Smart Folded Cascode power amp, SFCamp
  77. McIntosh Power Amplifier Power Guard
  78. Output transformer matching to active device driving it
  79. Linn Lk2 Poweramp
  80. Thermal compensation circuit
  81. Schematic for HK Citation 22
  82. can a musical fidelity pre drive my hd600 cans ?
  83. KRELL 484081 and 484002 output transistors remplaces codes. HELP!!!
  84. can't play stereo
  85. Sony TA-N7B VFET Help!!
  86. Ryan regulators not regulating?
  87. Carver TFM-15 - Need Help!
  88. gemini GX-350 Powered Speaker
  89. Suddenly Loud Hum in Hafler DH-101
  90. Differential to differential amplifier
  91. Fakes Toshiba 2N3773 photos ?
  92. schematic for AKAI AM=M939
  93. krell 300i preamp schematic needed
  94. speaker/amplifer volts, watts, ampere, impedance calculator
  95. Krell Peamp Clones
  96. Shearne reference Phase 2 amp - capacitors for power supply.
  97. Interesting thread on DIY
  98. Lesson learned - fried my Hafler - what went wrong?
  99. Hafler 1K trimpot fried - how do I replace?
  100. HELP!!!, KRELL KSA-100S Service Manual wanted!!!!
  101. P3A PCB wanted!! Thanks
  102. Recommended output transistor for Class A amplifier
  103. Fotios need help with input selector. Rotary switch or Relays?
  104. Fotios need help with power supply smoothing capacitors.
  105. Quad 405 mains transformer?
  106. Philips FA-911 Service manual
  107. Help with a NAP 150
  108. SWR SM-900 schematic
  109. NAD 7250PE receiver
  110. Sziklai output
  111. CS800 puzzler.....
  112. Technics SU-Z2 refresh or modification
  113. Need help with a power supply
  114. Replacing the bias adjustment pot?
  115. Most proper way to switch inputs?
  116. adcom 555II part sources
  117. Need checklist advice for health check-up - Hafler P500 (DH-500) Power Amp
  118. Kenwood Basic M1 Amplifier
  119. VAS mirror
  120. Mission 776 preamp mods
  121. Input selection and volume control with balanced output, transportable?
  122. Carver M-500t Protection Relay
  123. Meridan 557 Softstart and power caps
  124. Faulty Sansui BA-F1 could use some help
  125. Audiolab 8000a strange fault
  126. schematics sansui TU 317
  127. Modifying the SC480 for 2 ohm load
  128. Musical fidelity P270 and A370 fets
  129. testing Vce0 ?
  130. Specs on Forte 1A amp
  131. PC and 5.1 Channel Amp
  132. Refreshing a DH-200 Hafler
  133. Yamaha rx-v690 lightning hit
  134. Luxman LV-102
  135. alternatives for Quad303 transistors
  136. Pre-amplifier Project Help
  137. HELP-- I need a simple 50W AMP circuit ---
  138. Help with mdification of subwoofer amp
  139. having a hard time finding....
  140. JVC classic receiver find
  141. Symmetrical differential vs symmetrical non-differential VAS
  142. Anyone heard of AVITEC PRO amp (old!)
  143. wanted: Marantz 16 schematic
  144. replacing 2SC3281/2SA1302 outputs, transistor matching
  145. power supply
  146. No transformer power supply
  147. Upgrading a Yamaha M-70 power amp?
  148. Amp Contruction on PCB - Question
  149. Adcom GTP-450 Remote
  150. need help for NAD 3020a
  151. Symmetrical Phono Amplifier
  152. DC protection philosophy- need opinions.
  153. Help Modifying an amplifier schematic
  154. Marantz PM4400 Amplifier
  155. Krell KSA 80 bias & dc offset check & adjust procedure
  156. Multi-stage amplification
  157. Need a opamp suggestion to replace a NJM4558D
  158. Strange noise...?
  159. Lamp for Rod Elliott ESP#22 Wein Bridge Osc?
  160. Developement of simple Class A Amp
  161. I have hum and DC-problems
  162. Techsonic USA
  163. Nikko pre-amplifier Beta II schematics for driving my F4
  164. Preamp noisy - 100K pot?Relays?
  165. Help kenwood stereo receiver audio prob
  166. Arcam Alpha 10 Power Amplifier
  167. Guys....I need help BAD!!!!
  168. SKA, ASKA and LifeForce VS a commercially available amplifier?
  169. P3A problem
  170. switchmode battery charger
  171. Is this possible?
  172. Different models of amp in bi/tri amp systems
  173. tweaking classic Linn LK1 & LK2 / LK280
  174. M250
  175. Biamp Buffer - Finished
  176. AB class poweramp help understanding ?????
  177. GE Integrated Amp Problems
  178. TA-377A Complementary Symmetrical FET Pre Amp
  179. Capabilities of 2SK1058 & 2SJ162
  180. 2500 watt class AB
  181. ANA Audio Research APA 8 Power Amplifier. Heard of it?
  182. ID of component
  183. Guys......Need help in an AMP Prj
  184. Yamaha Receiver Mods
  185. finished project forum
  186. TRIO / KENWOOD L-05M Monoblocks Repair Thread
  187. Doug Self editing errors
  188. PSU for a Gram-amp phono? Regulated or not?
  189. arcam alpha 7 amp
  190. NEED HELP for Pioneer A400x mods
  191. Input capacitance and fT plots for MJE15032/MJE15033.
  192. Help kenwood stereo receiver audio prob
  193. Is a OPA445 AC stable with 100% Cap feedback at HF?
  194. Nakamichi PA5 dead
  195. Germanium transistors work fine in output stages ?
  196. cambridge a5 channel died help!
  197. New National driver chip for BIG amps
  198. Balanced amplifier alternatives
  199. Classe 10 Power Amp
  200. Seeking amplifier kit advice which 1 to build?
  201. Where to find NAD 218 schematic??
  202. Negative Sziklai
  203. Maximum device dissipation
  204. I need NAD 701 receiver schematic/manual
  205. Add volume knob to quad 303
  206. sansui AUX911DG repair tips
  207. How to calculate gain?
  208. Help COLD OCL 300W Burn....
  209. Attaching and Isolating TO-220 devices from heatsink
  210. MC2 1250 service manual?
  211. Biasing/thermal compensation of Thermal Trak transistors
  212. Marantz 1060 Blown Left Channel
  213. Krell KSP7B external power supply
  214. Leach amp VAS protection
  215. Help With Pioneer SA-9800 Please
  216. RS-1035 help....
  217. Electrocompaniet 100DMB power Amp
  218. company info
  219. What is this topology called?
  220. coil current rating for this amp
  221. Capacitor Help
  222. Looking for a NAD 2140 schematic
  223. Is there a bass/guitar/vocal amp?
  224. i need LUXMAN B-10 service manual
  225. Akai 'Boombox' AJ 505 parts needed
  226. NAD 2200 help with line voltage selector
  227. New to all this - help with leach amp please
  228. AKAI GXC-39D Tape Deck head advice
  229. library of voltage regulator models
  230. 2 stroke heatsinks
  231. need a schematic for Sonographe SC25 preamp
  232. Mark Levinson 36 Voltage Conversion
  233. Help with Technics SA-5370K receiver
  234. Need to know a good repair source
  235. power output for mjl21194/94
  236. mystery regulator?
  237. Troubleshooting Hafler P230.
  238. powerfull schematic
  239. Pioneer SA540 Schematics
  240. Ferrograph 'F307'
  241. My Last Smps Project
  242. Help me fix this Yamaha YST-SW015 subwoofer
  243. Pga2310ua
  244. Newbie's NAD 701 receiver hums, clicks, shuts down
  245. dodgy riddle - problems repairing an amp
  246. Adcom 555
  247. Need to make sequential power strip
  248. Marantz PM-17 repair
  249. Bass Preamp
  250. Best OP Amplifier in the World!! Look Amp Circuit

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