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  1. Needed: Marantz SR-92 service manual
  2. VA topologies for audio amplifiers
  3. Types of current sources for audio amplifier applications
  4. Yamaha RX-V2600 has PS PRT 107Q
  5. diy 48V phantom condenser mic humming loudly
  6. Amp line level outs are floating gnd. Sub ins are common.
  7. TEDDY AMP
  8. Vertical Mosfet Amplifier with high THD distortion levels
  9. bias pot and adjustment for gfa-5400
  10. ultra performance amp
  11. Selecting Line Input Transformer.. Help!
  12. Newbie - Cyrus 1 as pre-amp for Exposure Super 8?
  13. Triple Emitter Follower for IRFP240
  14. how to fix kenwood A58 amp
  15. pspice for 2N5457
  16. 5534 TMCed low power amp
  17. Krell power transistors
  18. Threshold S/550E service info
  19. Transformer's Center Tap Connection
  20. Need help fixing Marshall 8008 power amp blowing output transformers
  21. Quad 44/405
  22. Output inductor in power amps - pro and con
  23. Help needed biassing electrocompaniet eci-4
  24. how much Quiescent current is safe for IRFP240?
  25. Has this been tried?
  26. Heathkit AA-1515 schematic needed
  27. From a design standpoint, which amp would you pick?
  28. Luxman LV-105 non working. Best/worst it might be?
  29. High AC Voltage Between Grounds
  30. NAD 3020 Tone Bypass
  31. Wattage claims from L7 eBay amplifier
  32. Harman Kardon Citation 12 input amplifier
  33. Pioneer A400 amp servicing in UK
  34. electrocompaniet eci-4 help needed
  35. Rotel RC 995
  36. Power Transformer
  37. linn classik stuck in standby
  38. long distance high freq attenuation solution?
  39. what is the role of R4 and D1 in the schematic
  40. Choosing variable biasing resistor?
  41. Amp Buzz
  42. Is 4.2W too much for this heatsink?
  43. Audio Power Amplifier Design book- Douglas Self wants your opinions
  44. What kind of switches are these?
  45. From beginner to builder?
  46. Ultimate ultra hifidelity opamp?
  47. diving into the deep end
  48. Question about Soundcraftsmen pm1600
  49. SIMPLE AMP
  50. Technics SU8044
  51. Sparks flying in Parasound
  52. ac-dc 1.2kw smps
  53. Onkyo power amp board
  54. TGM6 - modified Pioneer HT amplifier
  55. yahama m60
  56. Help me fix this "buzz"?
  57. sony N80ES blown tranistor
  58. 1st post, issue with a Adcom GFA-555, 60 cycle hum
  59. How to scale up this SE class A ?
  60. Jim's Audio Goldmund Telos 390 clone
  61. F5 for 200W, 4ohm speakers & home cinema setup help...
  62. preamplifier usher p 307a
  63. Carver M1.5t Right channel dead
  64. Cambridge A500 no power (fuses OK)
  65. DIY Amps for New Home System - Music & Movies
  66. Capacitor Coupled Amp?
  67. new CFP Output configurations
  68. The best LM317 ....
  69. Rotel Rotary switch
  70. Need Arcam A80 schematic
  71. Pioneer VSX-7300
  72. Low noise resistors, cheap, 1/4 watt 1/8 watt
  73. Marantz 1060 amp dead channel
  74. DIY Project...
  75. Buzzing sound from NAD 3155
  76. f5 based high power class ab amplifier
  77. preamplifier usher p 307a
  78. apex audio 800
  79. Technics RS M11 Schematic
  80. Quiet amplifier
  81. MAYAMP - full CFP stages
  82. Ground loop/120hz noise in my preamp
  83. Project on Pulse Generator Help !!!
  84. Advice with tuning up old school car Sony Amplifier signal path.
  85. Famous 50w amplifier, with more MJ2955 2N3055
  86. Single Ended Solid state preamp
  87. Single Ended Solid state preamp
  88. Help Identifying Diode?
  89. JVC RX-807V
  90. Small Amp, Renioo Project
  91. Advice Needed-Capacitor Value
  92. Protecting a speaker from DC
  93. MISSION CYRUS PSX
  94. CYRUS TWO ISSUE 07 RECAP
  95. phonic max 2500
  96. Amarna Sun - a new amplifier design
  97. "Zero Feedback Impedance Amplifier" Anyone built this amp?
  98. nikko na-590
  99. directly driving the IRFP240 n 9240 using the LME49810 or 811
  100. Parasound HCA 3500 Left Channel Runs hotter than right
  101. what is the value of D3 and D4 diode in the sch and whats the use of them?
  102. Le Pacific RIAA preamplifier
  103. Replacing 100KAX2 with 100KBX2
  104. X250 - My next project.
  105. What Did I Break Now?
  106. Quad FM4 tuner mamual mod
  107. Quick (faulty?) op amp question
  108. Need a replacement for a 2N6728
  109. Accuphase amps
  110. audio amplifier bandwidth
  111. Subwoofer amp problem - s8550 substitute?
  112. HK 330A channel imbalance
  113. kav 250a/2 or kav 2250?
  114. SA-W2500 Sub blowing fuse
  115. Op-Amp substitution?
  116. 1979 Amplifier kit
  117. QED A230 Scheme
  118. Technics SU8044
  119. Turn on pop on speaker even when using relay
  120. About Musical Fidelity X-A50
  121. Help with Arcam Delta 110 pre
  122. Uher VG 840 preamp , schm needed
  123. pignose conversion.
  124. Leak Delta 70 - No Sound/Buzzing
  125. STK402 muting speakers popping sound
  126. TA 1050 MK-x
  127. Relation between RC time constant of psu cap and slew rate
  128. Extreme slew rates like 200V/us or 300v/us no use in general but can it be achieved?
  129. Loop stability clarification . . .
  130. Yahama m60 amp
  131. adcom gfa555 or carver tfm35
  132. organ amp power on noise
  133. Krell KSA250 large channel imbalance
  134. HK 330A pre/driver adjustment
  135. Pure audio classic technique
  136. about to buy epcos Sikorel.. users of Sikorel pls post their opinions
  137. Hafler DH-220 issues
  138. High bandwith and dampening rate?
  139. Dr Thomas Power Amp Improvements
  140. Epcos Sikorel slew rate expectations and big Metalized Film Cap bypass
  141. CYRUS II SERIES 7 REPAIR
  142. Soundstream DA-1 repair
  143. Solid State Amplifier Builders Question from a new guy
  144. Nyquist stability
  145. Quiescent current way high on ESP P3a
  146. what about some help over here!!!
  147. CM Labs 914A
  148. Objective2 - one channel doesn't work
  149. Klipsch pro media 2.1 system - he no workee. man cries.
  150. LEDs in vintage receivers
  151. DIAMOND BUFFER PWR AMP WITH CFP PAIR
  152. Quad 303 - questions and thoughts
  153. Naim NAP140 vs GainClone LM3886
  154. PCB etching tank heating
  155. t-amp proline 3000
  156. Harman Kardon Signature 2.1
  157. Old Cresendo - What is it worth
  158. Hafler dh500 vs dynaco st400
  159. Yamaha CA 2010 meters behaviour
  160. Dome - a 16 Watt push-pull Class A amplifier
  161. My joyful projects
  162. Armstrong A17=621 repair
  163. class d amp in 73 ham radio magazine 1964
  164. Very simple power amp
  165. NiMH battery discharger
  166. Adcom GFA-555II donor or rebuild
  167. LTP to VAS interconnection.
  168. Marantz PM66 SE
  169. Some questions about the LM1036
  170. Sony AX380 and JX380 issues
  171. Marantz M9 clone in bridge
  172. Yamaha AX-730 Replacement Transformer
  173. elma attenuator 23 posižtion 50 khom
  174. Modern Naim Nait 2 clone?
  175. amp emits low voume sound itself
  176. Just curious
  177. Rotel RA-971 MK2 problem
  178. what could be the reasons for High freq roll off after 14khz
  179. tash ma hall amp
  180. 2sc5200 1943 can be biased more in class A a/c SOA
  181. 2 toroids in monoblock?
  182. ESP P68 Subwoofer Amplifier - Need Help
  183. Problem Sansui AU505
  184. Help! Repairing a Pioneer SA-8100
  185. Marantz R1232L amp with Quad 57's?
  186. Krell KSA250 bias
  187. Matching transistors
  188. Military equipment: microphone eavesdropping - (DIY)
  189. qr amplifier - made in Italy
  190. help av400 R1
  191. CFP output stage adding more output transistors
  192. Spice model for KSE340 NPN?
  193. Confused about this step in the soldermasking process
  194. Noise pattern
  195. the G amp ....
  196. NAD 3020e fried R451 R437 resistor
  197. Best place to put relay?
  198. Someone experiance with ab int. precendent 1450?
  199. first amp project on the cheap
  200. I want to upgrade my Noble pot, what should I get
  201. Help with a power supply
  202. Power amp just buzzing! Need help with diagnosis.
  203. Trimming DC Offset on Nico's preamp
  204. 2SA1215 2SC2921, identify genuine and fake
  205. newbee need help
  206. M&K 250w Sub amp awaken issues
  207. If you like audio equipment . . .
  208. [HELP] Repair Arcam Alpha 2 - 240v
  209. Peavey CS-800 output subs?
  210. Is it possible to build a 2 box pre-power for under £400
  211. Purpose of power supply filter caps on amps?
  212. cambrigde a500 amp and acoustic 3311 speareks
  213. Behringer power amps
  214. nikko trm-750 humm/buzz problem
  215. NAD 7240PE Questions
  216. Hiraga 30Watt DC offset
  217. Regulated power supply for class A ?
  218. passive differential input stage
  219. Two Transistor push-pull AB amplifier
  220. Some PCB GND layout questions
  221. Clipping Behaviour
  222. Soundcraftsmen A200 Bad Channel
  223. JFET Matching/Sorting
  224. Weird Opamp Failure
  225. Carver M-1.5t Noisy and weak one channel
  226. Clean Those Balanced XLRís!
  227. Class ab2 power amp good/ bad?
  228. Onkyo M-508
  229. Gloria in Excelsis (common base VAS)
  230. Studio 350 construction thread
  231. C-Audio RA501
  232. pros and cons of using 2sc5200 1943 Toshiba Transistors in Class A
  233. can a class D amp gives enough dynamic sound as a good class AB?
  234. Nikko Alpha 230 Will Not Turn On
  235. help with ampslab c200 DIY build
  236. Channel out - Repair Question
  237. Need help with my McIntosh MC250 please
  238. Asymmetric adjustment of the Holton amplifier to be symmetrical
  239. Help with Rotel stereo amp
  240. Power supply question Arcam Alpha 8
  241. My Best Clone
  242. Nad C372 & C272.
  243. nx-Amplifier: 100 W CFA topology Amp
  244. Nakamichi PA-1 AMP Time to replace main caps?
  245. JVC JR-S400 No power
  246. A501 / Z501 Luxkit Amplifier schematic
  247. Vertical Fet Output Stage
  248. Mordaunt Short MS308 amp repair
  249. which output devices does Plinius SA-103 uses?
  250. Can you heatsink a transistor without a exposed collector?

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