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  1. About op-amps use.
  2. Module amp build help
  3. Op-amp decoupling - best practice?
  4. Rotel RB-980BX schematic
  5. Crown Pro amp ground up refurbish?
  6. Rod Elliot P68 Output DC offset.
  7. Discrete Tandy/Realistic transistor amp: Thermistor?
  8. Miniature bulbs replacement rule?
  9. CRELL and Konzert Schematics
  10. SIT amp simmulation, 2SK79+2SK82 push-pull
  11. Any suggestions on who to upgrade HCA-3500
  12. Technics ampifiers put an end to it's disgusting reviews yes or no for it to be!
  13. jbl vrx 932LAP/918SP schematics needed
  14. Qsc 850 help
  15. TIP3055/TIP2955 ST semi wierd(please help)
  16. Assembling an HDMI to 5.1/7.1 system
  17. Would amp designers (e.g. Pass) replace old caps?
  18. calculating high-pass filter for these components
  19. Uneven slew rates, does it matter?
  20. Luxman L-85V
  21. Troubleshooting stereo amplifier
  22. Akai AA-V1500 Amplifier Repair Help
  23. L20 V9.2
  24. Biasing MJ2955 and 2N3055
  25. Adcom 565 mono block with strange issue
  26. Luxman L-510 capacitors?
  27. Is this another DC offset question?
  28. Amplifier Akai am-u33, powers on, but no sound
  29. transistor heat excess and upgrade components
  30. Building a Quad 306 Clone
  31. Basic Amplier Toubleshooting
  32. Luxman R-113 relay(?) issue
  33. Need spice model for 2SA1618 and 2SC4207
  34. Bogus amplifier
  35. Sugden A21a...hummy
  36. Speaker protection relay issue
  37. Bridging w/ Input Transformers?
  38. Why not use emitter coupled matched pairs instead of emitter resistors?
  39. Technics SU-2400
  40. BGW 750C Recap, help a newbie out?
  41. BPA200 LM4780 Board (Unfinished) Design
  42. Oliver bias set point for class AB power amps
  43. Magnetic field of brushless DC fan
  44. Buy or build?
  45. LeachAmp power up
  46. k10 power amplifier
  47. Protection relays
  48. Any other method of killing bandwidth of an amp besides a large compensation cap?
  49. New to the forums
  50. How close should the +/- rails mirror each other
  51. Uso de diodos MUR3060
  52. Help with my new "old" SS anp.
  53. Sansui G6000 clone BY Dx .... not mine, just something i have prepared to share
  54. CYRUS 6 Amplifier please help
  55. Back to back diodes at inputs of opamps
  56. Amplifier speakers relay: how to pop open the cap on them?
  57. Grounding (Power Vs Signal)
  58. Pioneer A400 Volume Pot Replacement
  59. LME49811 with KSA1381 as headphone amplifier 600ohm imp
  60. Counterpoint SA 20 Amp Blowing Main fuse
  61. Celestion 6000 system...
  62. HK Citation 16 (Not the A model)
  63. Using a line preamp to drive headphone
  64. Nad amplifier c 352 with pop sound from speakers?
  65. Dynaco - ST 400 PC-29 mods/upgrades
  66. Transformer Upgrade
  67. Thermaltrak Amplifier Project (assembling soon!)
  68. Tivoli Model One Problem
  69. AU-999 with new Caps still "pops"
  70. I would like a few ideas..
  71. Does change of high speed power transistor/rectifier increase the dynamic
  72. MX50SE LJM 2015
  73. offset won't zero
  74. Amp working but bulb tester glows
  75. KEC Transistor Data Sheets
  76. Why no fully differential circuits?
  77. Advice for Amplifier Bias
  78. Another variation to the MCA amplifier
  79. Need help powering up diy amp for the first time
  80. Replacement for 2SC2362
  81. Data sheet Sanyo STK0231
  82. 2 channel amp recommendations
  83. Just won a AB International 600LX, what to check first?
  84. Crown K2 repair project
  85. Pkn Xd6000 amp for B&C 18SW115 drives
  86. quad 405 amplifier and clone boards from China
  87. Lafayette Radio Int. Amplifier
  88. Interview at Hi-fi Answers
  89. Quad 34 preamp all lights on problem
  90. First discrete BJT Amp
  91. Input Coupling Capacitor
  92. Weird idea for a Quad 303 housing
  93. Looking for a good value pre-amp
  94. Example of CFP output stage with dual rails?
  95. AudioResearch D240 mkI or mkII
  96. Compensate Bias for DC offset?
  97. best Value in used high power amps?
  98. Bias and balance adjustment for Hafler DH-120
  99. Rotel RA 500
  100. Yamaha DSP-3070 vs Marantz PM6005/Simlar
  101. Recapping a Quad 303
  102. Amplifier Gain
  103. How much better is steel casework vs aluminium (aluminium) for shielding?
  104. NAD C370 dead?
  105. Spectral DMC-10 Repair Help
  106. Adcom GFA-5400 / Help please...
  107. Musical Fidelity B1 Overhaul
  108. Adcom 535 help.
  109. nad c370 loses right channel
  110. Leach based amplifier design
  111. HERE is the Entire Spectral DMC-6 Owners Manual
  112. TIP35C/36C quick help needed
  113. Transistors Substitute
  114. Can anyone identify the source of the problem?
  115. Dayton Amplifier
  116. the users of Kenwood KA2200 sigma drive indicator pls help
  117. what do you think of this design?
  118. What are these capacitors?
  119. SAE 310 Transistor replacement info
  120. QUAD 99 power amp
  121. Help troubleshooting yamaha ms400 please
  122. How to set bias on a vintage amp with all new trannies ?
  123. DC Servo DIY Kit for DCCancellation
  124. My new amp
  125. Opinion about PCB
  126. Threshold T400 repair, need help
  127. Luxman M-4000 problems
  128. What amp for this box ?
  129. Old grundig offset level
  130. Where to start when green
  131. Non Super Tramp Trace Elliot (TDA1514A)
  132. Buttkicker bka-130-c
  133. Low "Ft" TO-3 transistors vs high "Ft" ?
  134. Denon avr 2802 no sound on speakers but "works"
  135. Akai AMU110
  136. Capacitor value in Zobel Network
  137. Mega Simple Class A Amplifier
  138. Strategy to track down a short
  139. Tiger in your amp
  140. Amp On/Off Speaker Noise
  141. Marantz sc-8 intermittent greatness
  142. VAS cascode to direct drive high power MOSFET OPS
  143. AnalogMetric kits??
  144. Technics SU-VX800 Given to me
  145. ALchemist adp20a power amp. Low output
  146. Preamplifier who is it?
  147. Amp stable for 2ohm speakers.
  148. Need replacements for transistors; 2SC2634
  149. MD7001 and MD7021
  150. Altec Lansing 621
  151. Why does this DAC use an NJM4558 for the Low Pass Filter ?
  152. Sony TA-F700ES keeps blowing fuse
  153. cm labs 912p
  154. My last amplifier
  155. How many transistors inside 2SA1302/2SC3281 ?
  156. Safe to downgrade from TO-264 to TO-3P
  157. Old Solid State Power Amp.schematics class AB
  158. 2SC3858/2SA1494 based amplifier?
  159. Hum problem
  160. Power amplifier inspired by Gryphon Tabu (NAD S300)
  161. Kicker 354xi resistor color code
  162. ok, blew-up my speakers :(
  163. Loud hum problem
  164. Quad 520F transistor change?
  165. suggestions for oscillation on neg half of output
  166. What is this discreate component?
  167. Klipsch Promedia 2.1 repair help
  168. Please help the dummy. Adcom gfa 5503
  169. Yamaha RX-797 - no power to device
  170. Simple no GNFB LATFET amp
  171. yamaha rx v-797
  172. NAD C 320 (non-BEE): Volume dial not moving
  173. 2sc2922/2sa1216 help me to find out fake or not
  174. I have this solid state RadioShack PA amp. Can I make a cool 2.1 system with it?
  175. fitting TO-264 inside TO-3 (crown amp)
  176. Marantz 510M - How to remove Lamp Board??
  177. Quiescent current Nytech CA 252
  178. buzzing sound from amp
  179. McIntosh MC250 Repair/Upgrade
  180. 2sc5200/2sa1943 amp module upgrade
  181. Fairchild FDP5N50NZ SPICE Model
  182. VU meter for Bias
  183. Picking caps and paralleling low esr with high esr caps
  184. Locating point of broken wire in cable
  185. The best sounding amp i ever heard
  186. Noobie Alert! Help neede with Diy Monoblock!
  187. How is the build quality of this amplifier?
  188. Quad 303 Power Amplifier - Left Channel Distorted
  189. Fairchild FQP3N25 and FQP3P20 for VAS cascode
  190. Cap upgrade for Borbely DC100
  191. Ground Loop Breaker Location
  192. L10 amplifier need VI limiter
  193. Newbie
  194. Stunning Amplifier Development!! Feedforwardback & Feedbackforward
  195. New to me McIntosh MC2205
  196. Harman Kardon Citation 16 Rebuild
  197. Rotel RB-971 in RB-981
  198. Laconti triple emitter follower
  199. Building a 3 Channel Amp
  200. Krell KSA 300s Integrated circuit
  201. 2SB755/2SD845
  202. Marantz PM-66 SE K.I. modification
  203. Onix OA-21E Phono Issue
  204. Volume control need help with this idea
  205. ssm2220 and ssm2210
  206. Rotel 820BX4 driver transistors hotter on one channel
  207. Tried fixing my Creek 4240 amp but...
  208. Devices with high Early Voltage
  209. Diagnosing loud popping from speakers connected to an SAE C3A amplifier
  210. Tonight I learned a hard lesson on decap
  211. NFB circuit not typical?
  212. YAQIN MC10L power amp
  213. How do you calculate impedance of a current source?
  214. Looking for Schematic for PreSonus Studio Live 16.4.2
  215. Recommend anyone in UK who can service/mod my Adcom GFA-535??
  216. Fabio Mauricio Timi
  217. Hafler Transnova 9300
  218. Jamo AVR-793 Ceramic Caps for Outputs
  219. MW-880 small sub amp $20 Need info about it
  220. strange Bias issue with lme49830 with ALF16N20W
  221. Omniphonics Footprint 150 AMP - Info required
  222. Linn LK85 versus LK140
  223. Baxandall diode in quasi complementary design
  224. Denon SA-3350 amplifier weird distortion
  225. upgrading the opamps in this DIY kit
  226. Cyrus 2 - V7 Roedensteins...
  227. Opamp reference
  228. Class AB amp with booster capacitor supply
  229. Amplified Subwoofer has low power
  230. A Little help before I blow this thing up...
  231. Problem with the Lepai LP-2020A+.
  232. Decent off-the-shelf-amp for modding to take to a special place?
  233. Do real people actually use radians/sec instead of Hz
  234. Help build a subwoofer plate amplifier
  235. Sixteen
  236. Ultimate Hum Terminator Thread
  237. Problem with Technics sa-160
  238. Concern about humming amp
  239. Hafler Pro1200: Newb Needs Help
  240. Pioneer A400 No Sound
  241. Best choice for high damping factor amp for 20-500 Hz?
  242. Onkyo TX-8511 how much RMS
  243. Is a low impedance feedback network of much value?
  244. LTSpice model for 2SC2837 and 2SA1186
  245. How to current limit LME49810?
  246. Potential problem of 3EF dimond in simulation
  247. Found this old board
  248. Newbie seeking help on Fixing DENON PMA 737
  249. Any Owners of NAD 3020B
  250. Auto power on circuit

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