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  1. Quad 34 preamp all lights on problem
  2. First discrete BJT Amp
  3. Input Coupling Capacitor
  4. Weird idea for a Quad 303 housing
  5. Looking for a good value pre-amp
  6. Example of CFP output stage with dual rails?
  7. AudioResearch D240 mkI or mkII
  8. Compensate Bias for DC offset?
  9. best Value in used high power amps?
  10. Bias and balance adjustment for Hafler DH-120
  11. Rotel RA 500
  12. Yamaha DSP-3070 vs Marantz PM6005/Simlar
  13. Recapping a Quad 303
  14. Amplifier Gain
  15. How much better is steel casework vs aluminium (aluminium) for shielding?
  16. NAD C370 dead?
  17. Spectral DMC-10 Repair Help
  18. Adcom GFA-5400 / Help please...
  19. Musical Fidelity B1 Overhaul
  20. Adcom 535 help.
  21. nad c370 loses right channel
  22. Leach based amplifier design
  23. HERE is the Entire Spectral DMC-6 Owners Manual
  24. TIP35C/36C quick help needed
  25. Transistors Substitute
  26. Can anyone identify the source of the problem?
  27. Dayton Amplifier
  28. the users of Kenwood KA2200 sigma drive indicator pls help
  29. what do you think of this design?
  30. What are these capacitors?
  31. SAE 310 Transistor replacement info
  32. QUAD 99 power amp
  33. Help troubleshooting yamaha ms400 please
  34. How to set bias on a vintage amp with all new trannies ?
  35. DC Servo DIY Kit for DCCancellation
  36. My new amp
  37. Opinion about PCB
  38. Threshold T400 repair, need help
  39. Luxman M-4000 problems
  40. What amp for this box ?
  41. Old grundig offset level
  42. Where to start when green
  43. Non Super Tramp Trace Elliot (TDA1514A)
  44. Buttkicker bka-130-c
  45. Low "Ft" TO-3 transistors vs high "Ft" ?
  46. Denon avr 2802 no sound on speakers but "works"
  47. Akai AMU110
  48. Capacitor value in Zobel Network
  49. Mega Simple Class A Amplifier
  50. Strategy to track down a short
  51. Tiger in your amp
  52. Amp On/Off Speaker Noise
  53. Marantz sc-8 intermittent greatness
  54. VAS cascode to direct drive high power MOSFET OPS
  55. AnalogMetric kits??
  56. Technics SU-VX800 Given to me
  57. ALchemist adp20a power amp. Low output
  58. Preamplifier who is it?
  59. Amp stable for 2ohm speakers.
  60. Need replacements for transistors; 2SC2634
  61. MD7001 and MD7021
  62. Altec Lansing 621
  63. Why does this DAC use an NJM4558 for the Low Pass Filter ?
  64. Sony TA-F700ES keeps blowing fuse
  65. cm labs 912p
  66. My last amplifier
  67. How many transistors inside 2SA1302/2SC3281 ?
  68. Safe to downgrade from TO-264 to TO-3P
  69. Old Solid State Power Amp.schematics class AB
  70. 2SC3858/2SA1494 based amplifier?
  71. Hum problem
  72. Power amplifier inspired by Gryphon Tabu (NAD S300)
  73. Kicker 354xi resistor color code
  74. ok, blew-up my speakers :(
  75. Loud hum problem
  76. Quad 520F transistor change?
  77. suggestions for oscillation on neg half of output
  78. What is this discreate component?
  79. Klipsch Promedia 2.1 repair help
  80. Please help the dummy. Adcom gfa 5503
  81. Yamaha RX-797 - no power to device
  82. Simple no GNFB LATFET amp
  83. yamaha rx v-797
  84. NAD C 320 (non-BEE): Volume dial not moving
  85. 2sc2922/2sa1216 help me to find out fake or not
  86. I have this solid state RadioShack PA amp. Can I make a cool 2.1 system with it?
  87. fitting TO-264 inside TO-3 (crown amp)
  88. Marantz 510M - How to remove Lamp Board??
  89. Quiescent current Nytech CA 252
  90. buzzing sound from amp
  91. McIntosh MC250 Repair/Upgrade
  92. 2sc5200/2sa1943 amp module upgrade
  93. Fairchild FDP5N50NZ SPICE Model
  94. VU meter for Bias
  95. Picking caps and paralleling low esr with high esr caps
  96. Locating point of broken wire in cable
  97. The best sounding amp i ever heard
  98. Noobie Alert! Help neede with Diy Monoblock!
  99. How is the build quality of this amplifier?
  100. Quad 303 Power Amplifier - Left Channel Distorted
  101. Fairchild FQP3N25 and FQP3P20 for VAS cascode
  102. Cap upgrade for Borbely DC100
  103. Ground Loop Breaker Location
  104. L10 amplifier need VI limiter
  105. Newbie
  106. Stunning Amplifier Development!! Feedforwardback & Feedbackforward
  107. New to me McIntosh MC2205
  108. Harman Kardon Citation 16 Rebuild
  109. Rotel RB-971 in RB-981
  110. Laconti triple emitter follower
  111. Building a 3 Channel Amp
  112. Krell KSA 300s Integrated circuit
  113. 2SB755/2SD845
  114. Marantz PM-66 SE K.I. modification
  115. Onix OA-21E Phono Issue
  116. Volume control need help with this idea
  117. ssm2220 and ssm2210
  118. Rotel 820BX4 driver transistors hotter on one channel
  119. Tried fixing my Creek 4240 amp but...
  120. Devices with high Early Voltage
  121. Diagnosing loud popping from speakers connected to an SAE C3A amplifier
  122. Tonight I learned a hard lesson on decap
  123. NFB circuit not typical?
  124. YAQIN MC10L power amp
  125. How do you calculate impedance of a current source?
  126. Looking for Schematic for PreSonus Studio Live 16.4.2
  127. Recommend anyone in UK who can service/mod my Adcom GFA-535??
  128. Fabio Mauricio Timi
  129. Hafler Transnova 9300
  130. Jamo AVR-793 Ceramic Caps for Outputs
  131. MW-880 small sub amp $20 Need info about it
  132. strange Bias issue with lme49830 with ALF16N20W
  133. Omniphonics Footprint 150 AMP - Info required
  134. Linn LK85 versus LK140
  135. Baxandall diode in quasi complementary design
  136. Denon SA-3350 amplifier weird distortion
  137. upgrading the opamps in this DIY kit
  138. Cyrus 2 - V7 Roedensteins...
  139. Opamp reference
  140. Class AB amp with booster capacitor supply
  141. Amplified Subwoofer has low power
  142. A Little help before I blow this thing up...
  143. Problem with the Lepai LP-2020A+.
  144. Decent off-the-shelf-amp for modding to take to a special place?
  145. Do real people actually use radians/sec instead of Hz
  146. Help build a subwoofer plate amplifier
  147. Sixteen
  148. Ultimate Hum Terminator Thread
  149. Problem with Technics sa-160
  150. Concern about humming amp
  151. Hafler Pro1200: Newb Needs Help
  152. Pioneer A400 No Sound
  153. Best choice for high damping factor amp for 20-500 Hz?
  154. Onkyo TX-8511 how much RMS
  155. Is a low impedance feedback network of much value?
  156. LTSpice model for 2SC2837 and 2SA1186
  157. How to current limit LME49810?
  158. Potential problem of 3EF dimond in simulation
  159. Found this old board
  160. Newbie seeking help on Fixing DENON PMA 737
  161. Any Owners of NAD 3020B
  162. Auto power on circuit
  163. need some help on my Mark Levinson No23
  164. transformer buzz interference
  165. Opinions on this Design.
  166. Sansui 2000
  167. Speaker protection using LM311
  168. SONY PS-X4 Platter spinning when power switch is turned on
  169. Modding a small practice amp - pots, switches etc.
  170. Harmen Kardon Amp and Homemade Speakers
  171. Luxman R-113 Channel Dropping Out
  172. Anyone have a JVC A-X9 User manual you could scan?
  173. Harman Kardon PM 665 vxi
  174. Modify bias circuit AKAI AM-2450
  175. Testing STK0040-II ICs?
  176. Greg Ball GB150D "Simple Killer Amp" - two channel MOSFET power amp
  177. Sony TA-AX5 power supply, No Output, Please Help
  178. GX-15 cooling Class AB TDA-2030 IC Poweramp
  179. adcom gfa 555 II transistor choice
  180. Phase Change Thermal Interface Material anyone?
  181. Is this TL072 op amp dead?
  182. Jensen/Murata transformers
  183. Counterpoint SA20
  184. ROTEL RA-970 BX
  185. P3A using 2SC5198/2SA1941?
  186. Suma Polaris 310 Power Amplifier
  187. Mcintosh Mc2205 still singing, does it need recap?
  188. {HELP} Harman/Kardon HK3270 no power
  189. Yamaha RX1130 R&L input signals mix in the output section
  190. Leak stereo 70
  191. Intermittent Static
  192. hifonics brz2400.1d
  193. pioneer SA506 any good?
  194. Best package for biasing transistor
  195. Acoustat TNT 120 amp
  196. SS Power Amp - Signal Deformation on Input
  197. What limits an amp's resistance?
  198. Mono block temp difference
  199. About ADZ12 germanium
  200. Inductor for output of power amp?
  201. DEBUNKER PHOENIX X5 600W
  202. Grounding/Hum issues with noisey cricket build
  203. Pioneer VSX no audio output after solving protection
  204. a speaker designer who doesn't understand amplifiers...
  205. Sony TA-FB940R Integrated Stereo Amplifier
  206. heat sink question
  207. new ideas
  208. Poll: TO-92 transistor lead spacing
  209. Salvage Power supply from Sony 2x100w reciever for power amp project
  210. Best emitter resistors.
  211. Simple Mosfet amp -HELP
  212. Switchmode power supply
  213. Complementary transistor matcher?
  214. Further into details of ground connection
  215. Quad 303 - Reservoir Capacitor Rating
  216. Idea for an high quality amp with 50Vdc power supply
  217. Help with Vertical Mosfet power amp improvements
  218. Krell KSA- 250
  219. Emotiva UMC-200 mods?
  220. how does pseudo-pushpull work?
  221. Cold start inrush limiter.
  222. Pioneer SA-V700 manual
  223. Unobtanium Rotary...
  224. Could this be the cause of the buzz in my amp?
  225. Anyone have info for a BGW 6000 Proline?
  226. Rotel RSP-1066 won't turn on
  227. Help w schematic analysis: Audionics PZ3 amplifier
  228. Open loop test for fault conditions
  229. Power Indicator Pilot Lamp Circuit Problem?
  230. Passive tone stacks - ideal input signals?
  231. Worst SS amp ever????
  232. LM4780 power consumption
  233. Help Please! SONY TA-N80ES blowing internal 8A fuse
  234. Need help to cancel tone control in an amplifier
  235. Kenwood M2 itself begins to buzz/hum after ~2 hours
  236. Helpful tips for repairing Technics SUV4A amplifier
  237. Harman Kardon HK6600 - hum and pops in the speakers on powering
  238. OT (a little) : Removing transistors from ammo package
  239. Troubleshooting amplifier in powered monitor putting out DC to driver.
  240. Citation 16 noisy in bridge mode
  241. Help with Power Amp Design
  242. DIY Leach amps
  243. Arcam fmj A22
  244. Bridging a Linn LK 100
  245. Troubleshooting high DC offset?
  246. KD 503 quasi amplifier
  247. Replacing/bettering LSA Premium Integrated
  248. C1214 transistor replacements running hot
  249. Nad C740 receiver input selections not working.
  250. bogen c60

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