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  1. marantz 1180dc issue HELPPP
  2. Pure Class A topology
  3. Krell KSA-250 bias adjust
  4. LT1228 Anyone?
  5. Mystery NEC J44/K163 JFETs in a Hafler XL-280
  6. opamp input power amplifier - problems
  7. Electrical Engineers!... i need information..help old Dx, please!
  8. ESP P3A Mods/Upgrades
  9. DC offset on turnoff
  10. Using a power amp with a powered mixer
  11. Is This Amplifier Worthwhile Building
  12. Radio Shack Digital Wireless Audio Link Modifications
  13. EF Output Stage
  14. yamaha mx 1000 lcd disply modification
  15. Musical Fidelity A3 integrated, loose vol knob
  16. Adcom 5400 schematic needed
  17. Quiescent Current Control in Class AB..?
  18. NAD 3130 blowing fuses
  19. Radfod Sca30
  20. Amplifier Cases...
  21. How to wire a balance control
  22. Need help with simple Active preamp.
  23. Tom Colangelo passed away ? :-(
  24. power supply problem pop noise
  25. Leach/Behringer2496/Line Array
  26. Sony Super Legato Linear
  27. Shocked by Subwoofer thru Speaker Outlets of Main Amp
  28. SC480's trouble
  29. adcom 555 ll
  30. better amp configuration
  31. Technics SA5550 Stereo Receiver
  32. Removing NAD T753 Volume Control Knob
  33. KRELL KSA300S Amplifier
  34. denon 1800 as preamplifier
  35. Inverting FET openloop gainstage
  36. Elso Kwak
  37. ROWLAND Research D40 Amp
  38. yamaha mx 1000 WITH TODAYS TECHNOLOGY
  39. TL084CN vs AD731
  40. Philips FA154 schematic?
  41. Borbely Cascode
  42. Sansui G-7500 help needed
  43. Yamaha M-45 Blown Output Transistors
  44. Krell KSA-250 failure
  45. Behringer EP2500 improvement Modificationss
  46. Unipolar vs complementary input stage
  47. most bang-for-the-buck sub-amp
  48. Technics SA500-No Sound
  49. jl hood 75w amp(1972)
  50. Superphon Revelation MK II PreAmp
  51. Score! free Kenwood receiver
  52. Bi-Amp / Leach / Ops Transistor Heatsink Arrangement
  53. AD797 and Super Regulator
  54. Leach Superamp questions
  55. Relays or switches
  56. Selling NOS Philips Caps 10000uF/100V
  57. Better Opamp in QUAD 606/909 Power amp
  58. Source of buying SA1370/SA3467
  59. Hitachi amp with surround sound
  60. EWB question
  61. repair akai am-49 help needed
  62. VSX-D1S Owner's Manual
  63. pre and psu are good?opinion
  64. Measuring resistors
  65. Wirewound Pot Law Fake with Wirewound Resistor
  66. I just want a volume control pre-amp
  67. Eagle package for IRFP9240
  68. soundcraftsmen a5002
  69. A couple of transformer questions
  70. Phototronics PA630/630A datasheet
  71. PLAYMASTER 40/40 - schematic needed
  72. Power horizontal deflection transistors work fine in output stages ?
  73. Tone Control One Knob Need Help
  74. Audiolab 8000T no sound
  75. Please Help!!! Decoupling Zeners
  76. Service manuals service manuals service manuals free free free
  77. PCI Oscilloscope card
  78. peavey transistors
  79. Dynaco ST-150 mods
  80. Upping voltage on a toroid
  81. SAE P101 won't switch off!
  82. any build this..how sound
  83. Simple class-A amp - miniClamp
  84. Help understanding a darlington pair
  85. Bridge amp config comparison
  86. Looking for info Adcom
  87. Krell 300i schematic wanted asap
  88. DH101 troubleshooting
  89. John Curl amp
  90. Marshall MG50DFX Schematic wanted...
  91. schematics sony Ta- F6B
  92. can jensen alx2000 power alpine type s 6x9
  93. ESP P-101 parts list
  94. My take on regulators
  95. Optimizing amplifier for specific frequency bands?
  96. VERY old transistors for free!
  97. What to do with these 4 consoles? Please Help!
  98. Leach Amp tactile power-on switch
  99. The "Classical Class A" amp ? Comments?
  100. beta influence
  101. Historic Rotel Amps 1980's
  102. circuit board problems for AVT50H
  103. THERMAL COMPENSATION OF Vbe MULTIPLIER
  104. Luxman Av Receiver Rv-357
  105. Simulation of the JE-990 OP Amp By Deane Jensen
  106. P3a HELP(Please comment my PCB? thanks!!)
  107. Looking for SPICE model - LM394
  108. Comparison Of Onsemi Vs Toshiba Transistor
  109. help ME!!!!
  110. my carver hr-752
  111. Help for identify a transistor manufacturer
  112. Parasound HCA-2000 Problem
  113. Hafler XL280 mods gain/low frequency cutoff problem
  114. PCB layout for audio
  115. Unknown transistor - Help !!!
  116. Source for Cool CIT Switches with LEDs
  117. On IRF540/9540
  118. Matched JFETs
  119. Thermal impact of different insulators
  120. Can you help me about 2sb649A/2sd669A
  121. Atom sized transistor...
  122. Need help identifying a fuse replacement
  123. Repairing a fuse on solid state amplifier?
  124. bora techno amplifier power supply
  125. Yamaha M50 amp went tilt???
  126. Anyone have the transistor 2N176 complete datasheet
  127. Balanced conversion with Lundahl transformer
  128. Upgrades and Restoring
  129. Pioneer receiver mod
  130. Help with dissecting first amp
  131. Phase Linear 400 Series 2 Repair
  132. Opinions on Denon PMA700AE amp?
  133. How to Parallel Lateral MOSFETs...
  134. agc preamp distortion
  135. Weird power-up behaviour of my Velleman amp kits...
  136. Blameless, Dx was wrong, it is a very good amplifier
  137. BIAS on Kenwood L-05M
  138. Smart Folded Cascode power amp, SFCamp
  139. McIntosh Power Amplifier Power Guard
  140. Output transformer matching to active device driving it
  141. Linn Lk2 Poweramp
  142. Thermal compensation circuit
  143. Schematic for HK Citation 22
  144. can a musical fidelity pre drive my hd600 cans ?
  145. KRELL 484081 and 484002 output transistors remplaces codes. HELP!!!
  146. can't play stereo
  147. Sony TA-N7B VFET Help!!
  148. Ryan regulators not regulating?
  149. Carver TFM-15 - Need Help!
  150. gemini GX-350 Powered Speaker
  151. Suddenly Loud Hum in Hafler DH-101
  152. Differential to differential amplifier
  153. Fakes Toshiba 2N3773 photos ?
  154. schematic for AKAI AM=M939
  155. krell 300i preamp schematic needed
  156. speaker/amplifer volts, watts, ampere, impedance calculator
  157. Krell Peamp Clones
  158. Shearne reference Phase 2 amp - capacitors for power supply.
  159. Interesting thread on DIY
  160. Lesson learned - fried my Hafler - what went wrong?
  161. Hafler 1K trimpot fried - how do I replace?
  162. HELP!!!, KRELL KSA-100S Service Manual wanted!!!!
  163. P3A PCB wanted!! Thanks
  164. Recommended output transistor for Class A amplifier
  165. Fotios need help with input selector. Rotary switch or Relays?
  166. Fotios need help with power supply smoothing capacitors.
  167. Quad 405 mains transformer?
  168. Philips FA-911 Service manual
  169. Help with a NAP 150
  170. SWR SM-900 schematic
  171. NAD 7250PE receiver
  172. Sziklai output
  173. CS800 puzzler.....
  174. Technics SU-Z2 refresh or modification
  175. Need help with a power supply
  176. Replacing the bias adjustment pot?
  177. Most proper way to switch inputs?
  178. adcom 555II part sources
  179. Need checklist advice for health check-up - Hafler P500 (DH-500) Power Amp
  180. Kenwood Basic M1 Amplifier
  181. VAS mirror
  182. Mission 776 preamp mods
  183. Input selection and volume control with balanced output, transportable?
  184. Carver M-500t Protection Relay
  185. Meridan 557 Softstart and power caps
  186. Faulty Sansui BA-F1 could use some help
  187. Audiolab 8000a strange fault
  188. schematics sansui TU 317
  189. Modifying the SC480 for 2 ohm load
  190. Musical fidelity P270 and A370 fets
  191. testing Vce0 ?
  192. Specs on Forte 1A amp
  193. PC and 5.1 Channel Amp
  194. Refreshing a DH-200 Hafler
  195. Yamaha rx-v690 lightning hit
  196. Luxman LV-102
  197. alternatives for Quad303 transistors
  198. Pre-amplifier Project Help
  199. HELP-- I need a simple 50W AMP circuit ---
  200. Help with mdification of subwoofer amp
  201. having a hard time finding....
  202. JVC classic receiver find
  203. Symmetrical differential vs symmetrical non-differential VAS
  204. Anyone heard of AVITEC PRO amp (old!)
  205. wanted: Marantz 16 schematic
  206. replacing 2SC3281/2SA1302 outputs, transistor matching
  207. power supply
  208. No transformer power supply
  209. Upgrading a Yamaha M-70 power amp?
  210. Amp Contruction on PCB - Question
  211. Adcom GTP-450 Remote
  212. need help for NAD 3020a
  213. Symmetrical Phono Amplifier
  214. DC protection philosophy- need opinions.
  215. Help Modifying an amplifier schematic
  216. Marantz PM4400 Amplifier
  217. Krell KSA 80 bias & dc offset check & adjust procedure
  218. Multi-stage amplification
  219. Need a opamp suggestion to replace a NJM4558D
  220. Strange noise...?
  221. Lamp for Rod Elliott ESP#22 Wein Bridge Osc?
  222. Developement of simple Class A Amp
  223. I have hum and DC-problems
  224. Techsonic USA
  225. Nikko pre-amplifier Beta II schematics for driving my F4
  226. Preamp noisy - 100K pot?Relays?
  227. Help kenwood stereo receiver audio prob
  228. Arcam Alpha 10 Power Amplifier
  229. SKA, ASKA and LifeForce VS a commercially available amplifier?
  230. Guys....I need help BAD!!!!
  231. P3A problem
  232. switchmode battery charger
  233. Is this possible?
  234. Different models of amp in bi/tri amp systems
  235. tweaking classic Linn LK1 & LK2 / LK280
  236. M250
  237. Biamp Buffer - Finished
  238. AB class poweramp help understanding ?????
  239. GE Integrated Amp Problems
  240. TA-377A Complementary Symmetrical FET Pre Amp
  241. Capabilities of 2SK1058 & 2SJ162
  242. 2500 watt class AB
  243. ANA Audio Research APA 8 Power Amplifier. Heard of it?
  244. ID of component
  245. Guys......Need help in an AMP Prj
  246. Yamaha Receiver Mods
  247. finished project forum
  248. TRIO / KENWOOD L-05M Monoblocks Repair Thread
  249. Doug Self editing errors
  250. PSU for a Gram-amp phono? Regulated or not?

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