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  1. Help,,,,Dead Rotel ra1412 amp
  2. Supplying multiple power amplifier (op amps)
  3. Yamaha RX-V2600 has PS PRT 107Q
  4. Ic 221-241 ??
  5. Luxman: new DML units issued.
  6. LME49810 from connex burnout..
  7. Singleton Input Stage Amplifier
  8. SONY VFET 2SK60 OCL?
  9. Dynaco 120 Rebuild
  10. Yamaha CA1010 Speaker Relay
  11. NAD 3300 Power Envelope Amplifier
  12. Mark Levinson LNP-2
  13. Pre Amp/Buffer and Amp for a Ukulele with an under saddle Piezo pickup
  14. Dead speaker output on Alpha 10 Amp
  15. HELP! with RX-396 Power Transformer
  16. Help with old Peavey amp
  17. Need Help NAD 304
  18. 10Mhz Oscilloscope for CD Player Laser Calibration
  19. The best 1W amp with 6v5 1A, anyone?
  20. Technics SU V98 bad channel
  21. matching complementary transistors quickly and easily
  22. Needed: Marantz SR-92 service manual
  23. VA topologies for audio amplifiers
  24. Types of current sources for audio amplifier applications
  25. Yamaha RX-V2600 has PS PRT 107Q
  26. diy 48V phantom condenser mic humming loudly
  27. Amp line level outs are floating gnd. Sub ins are common.
  28. TEDDY AMP
  29. Vertical Mosfet Amplifier with high THD distortion levels
  30. bias pot and adjustment for gfa-5400
  31. ultra performance amp
  32. Selecting Line Input Transformer.. Help!
  33. Newbie - Cyrus 1 as pre-amp for Exposure Super 8?
  34. Triple Emitter Follower for IRFP240
  35. how to fix kenwood A58 amp
  36. pspice for 2N5457
  37. 5534 TMCed low power amp
  38. Krell power transistors
  39. Threshold S/550E service info
  40. Transformer's Center Tap Connection
  41. Need help fixing Marshall 8008 power amp blowing output transformers
  42. Quad 44/405
  43. Output inductor in power amps - pro and con
  44. Help needed biassing electrocompaniet eci-4
  45. how much Quiescent current is safe for IRFP240?
  46. Has this been tried?
  47. Heathkit AA-1515 schematic needed
  48. From a design standpoint, which amp would you pick?
  49. Luxman LV-105 non working. Best/worst it might be?
  50. High AC Voltage Between Grounds
  51. NAD 3020 Tone Bypass
  52. Wattage claims from L7 eBay amplifier
  53. Harman Kardon Citation 12 input amplifier
  54. Pioneer A400 amp servicing in UK
  55. electrocompaniet eci-4 help needed
  56. Rotel RC 995
  57. Power Transformer
  58. linn classik stuck in standby
  59. long distance high freq attenuation solution?
  60. what is the role of R4 and D1 in the schematic
  61. Choosing variable biasing resistor?
  62. Amp Buzz
  63. Is 4.2W too much for this heatsink?
  64. Audio Power Amplifier Design book- Douglas Self wants your opinions
  65. What kind of switches are these?
  66. From beginner to builder?
  67. Ultimate ultra hifidelity opamp?
  68. diving into the deep end
  69. Question about Soundcraftsmen pm1600
  70. SIMPLE AMP
  71. Technics SU8044
  72. Sparks flying in Parasound
  73. ac-dc 1.2kw smps
  74. Onkyo power amp board
  75. TGM6 - modified Pioneer HT amplifier
  76. yahama m60
  77. Help me fix this "buzz"?
  78. sony N80ES blown tranistor
  79. 1st post, issue with a Adcom GFA-555, 60 cycle hum
  80. How to scale up this SE class A ?
  81. Jim's Audio Goldmund Telos 390 clone
  82. F5 for 200W, 4ohm speakers & home cinema setup help...
  83. preamplifier usher p 307a
  84. Carver M1.5t Right channel dead
  85. Cambridge A500 no power (fuses OK)
  86. DIY Amps for New Home System - Music & Movies
  87. Capacitor Coupled Amp?
  88. new CFP Output configurations
  89. The best LM317 ....
  90. Rotel Rotary switch
  91. Need Arcam A80 schematic
  92. Pioneer VSX-7300
  93. Low noise resistors, cheap, 1/4 watt 1/8 watt
  94. Marantz 1060 amp dead channel
  95. DIY Project...
  96. Buzzing sound from NAD 3155
  97. f5 based high power class ab amplifier
  98. preamplifier usher p 307a
  99. apex audio 800
  100. Technics RS M11 Schematic
  101. Quiet amplifier
  102. MAYAMP - full CFP stages
  103. Ground loop/120hz noise in my preamp
  104. Project on Pulse Generator Help !!!
  105. Advice with tuning up old school car Sony Amplifier signal path.
  106. Famous 50w amplifier, with more MJ2955 2N3055
  107. Single Ended Solid state preamp
  108. Single Ended Solid state preamp
  109. Help Identifying Diode?
  110. JVC RX-807V
  111. Small Amp, Renioo Project
  112. Advice Needed-Capacitor Value
  113. Protecting a speaker from DC
  114. MISSION CYRUS PSX
  115. CYRUS TWO ISSUE 07 RECAP
  116. phonic max 2500
  117. Amarna Sun - a new amplifier design
  118. "Zero Feedback Impedance Amplifier" Anyone built this amp?
  119. nikko na-590
  120. directly driving the IRFP240 n 9240 using the LME49810 or 811
  121. Parasound HCA 3500 Left Channel Runs hotter than right
  122. what is the value of D3 and D4 diode in the sch and whats the use of them?
  123. Le Pacific RIAA preamplifier
  124. Replacing 100KAX2 with 100KBX2
  125. X250 - My next project.
  126. What Did I Break Now?
  127. Quad FM4 tuner mamual mod
  128. Quick (faulty?) op amp question
  129. Need a replacement for a 2N6728
  130. Accuphase amps
  131. audio amplifier bandwidth
  132. Subwoofer amp problem - s8550 substitute?
  133. HK 330A channel imbalance
  134. kav 250a/2 or kav 2250?
  135. SA-W2500 Sub blowing fuse
  136. Op-Amp substitution?
  137. 1979 Amplifier kit
  138. QED A230 Scheme
  139. Technics SU8044
  140. Turn on pop on speaker even when using relay
  141. About Musical Fidelity X-A50
  142. Help with Arcam Delta 110 pre
  143. Uher VG 840 preamp , schm needed
  144. pignose conversion.
  145. Leak Delta 70 - No Sound/Buzzing
  146. STK402 muting speakers popping sound
  147. TA 1050 MK-x
  148. Relation between RC time constant of psu cap and slew rate
  149. Extreme slew rates like 200V/us or 300v/us no use in general but can it be achieved?
  150. Loop stability clarification . . .
  151. Yahama m60 amp
  152. adcom gfa555 or carver tfm35
  153. organ amp power on noise
  154. Krell KSA250 large channel imbalance
  155. HK 330A pre/driver adjustment
  156. Pure audio classic technique
  157. about to buy epcos Sikorel.. users of Sikorel pls post their opinions
  158. Hafler DH-220 issues
  159. High bandwith and dampening rate?
  160. Dr Thomas Power Amp Improvements
  161. Epcos Sikorel slew rate expectations and big Metalized Film Cap bypass
  162. CYRUS II SERIES 7 REPAIR
  163. Soundstream DA-1 repair
  164. Solid State Amplifier Builders Question from a new guy
  165. Nyquist stability
  166. Quiescent current way high on ESP P3a
  167. what about some help over here!!!
  168. CM Labs 914A
  169. Objective2 - one channel doesn't work
  170. Klipsch pro media 2.1 system - he no workee. man cries.
  171. LEDs in vintage receivers
  172. DIAMOND BUFFER PWR AMP WITH CFP PAIR
  173. Quad 303 - questions and thoughts
  174. Naim NAP140 vs GainClone LM3886
  175. PCB etching tank heating
  176. t-amp proline 3000
  177. Harman Kardon Signature 2.1
  178. Old Cresendo - What is it worth
  179. Hafler dh500 vs dynaco st400
  180. Yamaha CA 2010 meters behaviour
  181. Dome - a 16 Watt push-pull Class A amplifier
  182. My joyful projects
  183. Armstrong A17=621 repair
  184. class d amp in 73 ham radio magazine 1964
  185. Very simple power amp
  186. NiMH battery discharger
  187. Adcom GFA-555II donor or rebuild
  188. LTP to VAS interconnection.
  189. Marantz PM66 SE
  190. Some questions about the LM1036
  191. Sony AX380 and JX380 issues
  192. Marantz M9 clone in bridge
  193. Yamaha AX-730 Replacement Transformer
  194. elma attenuator 23 posižtion 50 khom
  195. Modern Naim Nait 2 clone?
  196. amp emits low voume sound itself
  197. Just curious
  198. Rotel RA-971 MK2 problem
  199. what could be the reasons for High freq roll off after 14khz
  200. tash ma hall amp
  201. 2sc5200 1943 can be biased more in class A a/c SOA
  202. 2 toroids in monoblock?
  203. ESP P68 Subwoofer Amplifier - Need Help
  204. Problem Sansui AU505
  205. Help! Repairing a Pioneer SA-8100
  206. Marantz R1232L amp with Quad 57's?
  207. Krell KSA250 bias
  208. Matching transistors
  209. Military equipment: microphone eavesdropping - (DIY)
  210. qr amplifier - made in Italy
  211. help av400 R1
  212. CFP output stage adding more output transistors
  213. Spice model for KSE340 NPN?
  214. Confused about this step in the soldermasking process
  215. Noise pattern
  216. the G amp ....
  217. NAD 3020e fried R451 R437 resistor
  218. Best place to put relay?
  219. Someone experiance with ab int. precendent 1450?
  220. first amp project on the cheap
  221. I want to upgrade my Noble pot, what should I get
  222. Help with a power supply
  223. Power amp just buzzing! Need help with diagnosis.
  224. Trimming DC Offset on Nico's preamp
  225. 2SA1215 2SC2921, identify genuine and fake
  226. newbee need help
  227. M&K 250w Sub amp awaken issues
  228. If you like audio equipment . . .
  229. [HELP] Repair Arcam Alpha 2 - 240v
  230. Peavey CS-800 output subs?
  231. Is it possible to build a 2 box pre-power for under £400
  232. Purpose of power supply filter caps on amps?
  233. cambrigde a500 amp and acoustic 3311 speareks
  234. Behringer power amps
  235. nikko trm-750 humm/buzz problem
  236. NAD 7240PE Questions
  237. Hiraga 30Watt DC offset
  238. Regulated power supply for class A ?
  239. passive differential input stage
  240. Two Transistor push-pull AB amplifier
  241. Some PCB GND layout questions
  242. Clipping Behaviour
  243. Soundcraftsmen A200 Bad Channel
  244. JFET Matching/Sorting
  245. Weird Opamp Failure
  246. Carver M-1.5t Noisy and weak one channel
  247. Clean Those Balanced XLRís!
  248. Class ab2 power amp good/ bad?
  249. Onkyo M-508
  250. Gloria in Excelsis (common base VAS)

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