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  1. Reducing output of pre-amp
  2. Tone control 3 bands
  3. Jamo MPA-201
  4. help troubleshooting Fisher 440T
  5. Regulator with floating ground and speaker protection
  6. Sony STR-D315 Repair/troubleshooting
  7. 60-0-60V ps
  8. jjh amp like jlh1969 mos
  9. Same question, different year
  10. JJH amp LIKE MOS jlh
  11. TIP 120/125, any simple amps ?
  12. Only 2SK60 OCL Amplifier ?
  13. Help understanding (circuit wise) this predriver-driver configuration
  14. Marantz 1030 restoration
  15. Leach Amp troubleshooting
  16. Help with Stax SRA12S Electostatic amp/preamp
  17. Non-Polarized Cap in Bryston Feedback Loop?
  18. Help stabilizing this amplifier...
  19. TRANSCON - 2 X Cascode VAS plus 1 X Transconductance
  20. Help,,,,Dead Rotel ra1412 amp
  21. Supplying multiple power amplifier (op amps)
  22. Yamaha RX-V2600 has PS PRT 107Q
  23. Ic 221-241 ??
  24. Luxman: new DML units issued.
  25. LME49810 from connex burnout..
  26. Singleton Input Stage Amplifier
  27. SONY VFET 2SK60 OCL?
  28. Dynaco 120 Rebuild
  29. Yamaha CA1010 Speaker Relay
  30. NAD 3300 Power Envelope Amplifier
  31. Mark Levinson LNP-2
  32. Pre Amp/Buffer and Amp for a Ukulele with an under saddle Piezo pickup
  33. Dead speaker output on Alpha 10 Amp
  34. HELP! with RX-396 Power Transformer
  35. Help with old Peavey amp
  36. Need Help NAD 304
  37. 10Mhz Oscilloscope for CD Player Laser Calibration
  38. The best 1W amp with 6v5 1A, anyone?
  39. Technics SU V98 bad channel
  40. matching complementary transistors quickly and easily
  41. Needed: Marantz SR-92 service manual
  42. VA topologies for audio amplifiers
  43. Types of current sources for audio amplifier applications
  44. Yamaha RX-V2600 has PS PRT 107Q
  45. diy 48V phantom condenser mic humming loudly
  46. Amp line level outs are floating gnd. Sub ins are common.
  47. TEDDY AMP
  48. Vertical Mosfet Amplifier with high THD distortion levels
  49. bias pot and adjustment for gfa-5400
  50. ultra performance amp
  51. Selecting Line Input Transformer.. Help!
  52. Newbie - Cyrus 1 as pre-amp for Exposure Super 8?
  53. Triple Emitter Follower for IRFP240
  54. how to fix kenwood A58 amp
  55. pspice for 2N5457
  56. 5534 TMCed low power amp
  57. Krell power transistors
  58. Threshold S/550E service info
  59. Transformer's Center Tap Connection
  60. Need help fixing Marshall 8008 power amp blowing output transformers
  61. Quad 44/405
  62. Output inductor in power amps - pro and con
  63. Help needed biassing electrocompaniet eci-4
  64. how much Quiescent current is safe for IRFP240?
  65. Has this been tried?
  66. Heathkit AA-1515 schematic needed
  67. From a design standpoint, which amp would you pick?
  68. Luxman LV-105 non working. Best/worst it might be?
  69. High AC Voltage Between Grounds
  70. NAD 3020 Tone Bypass
  71. Wattage claims from L7 eBay amplifier
  72. Harman Kardon Citation 12 input amplifier
  73. Pioneer A400 amp servicing in UK
  74. electrocompaniet eci-4 help needed
  75. Rotel RC 995
  76. Power Transformer
  77. linn classik stuck in standby
  78. long distance high freq attenuation solution?
  79. what is the role of R4 and D1 in the schematic
  80. Choosing variable biasing resistor?
  81. Amp Buzz
  82. Is 4.2W too much for this heatsink?
  83. Audio Power Amplifier Design book- Douglas Self wants your opinions
  84. What kind of switches are these?
  85. From beginner to builder?
  86. Ultimate ultra hifidelity opamp?
  87. diving into the deep end
  88. Question about Soundcraftsmen pm1600
  89. SIMPLE AMP
  90. Technics SU8044
  91. Sparks flying in Parasound
  92. ac-dc 1.2kw smps
  93. Onkyo power amp board
  94. TGM6 amplifier (7 channels)
  95. yahama m60
  96. Help me fix this "buzz"?
  97. sony N80ES blown tranistor
  98. 1st post, issue with a Adcom GFA-555, 60 cycle hum
  99. How to scale up this SE class A ?
  100. Jim's Audio Goldmund Telos 390 clone
  101. F5 for 200W, 4ohm speakers & home cinema setup help...
  102. preamplifier usher p 307a
  103. Carver M1.5t Right channel dead
  104. Cambridge A500 no power (fuses OK)
  105. DIY Amps for New Home System - Music & Movies
  106. Capacitor Coupled Amp?
  107. new CFP Output configurations
  108. The best LM317 ....
  109. Rotel Rotary switch
  110. Need Arcam A80 schematic
  111. Pioneer VSX-7300
  112. Low noise resistors, cheap, 1/4 watt 1/8 watt
  113. Marantz 1060 amp dead channel
  114. DIY Project...
  115. Buzzing sound from NAD 3155
  116. f5 based high power class ab amplifier
  117. preamplifier usher p 307a
  118. apex audio 800
  119. Technics RS M11 Schematic
  120. Quiet amplifier
  121. MAYAMP - full CFP stages
  122. Ground loop/120hz noise in my preamp
  123. Project on Pulse Generator Help !!!
  124. Advice with tuning up old school car Sony Amplifier signal path.
  125. Famous 50w amplifier, with more MJ2955 2N3055
  126. Single Ended Solid state preamp
  127. Single Ended Solid state preamp
  128. Help Identifying Diode?
  129. JVC RX-807V
  130. Small Amp, Renioo Project
  131. Advice Needed-Capacitor Value
  132. Protecting a speaker from DC
  133. MISSION CYRUS PSX
  134. CYRUS TWO ISSUE 07 RECAP
  135. phonic max 2500
  136. Amarna Sun - a new amplifier design
  137. "Zero Feedback Impedance Amplifier" Anyone built this amp?
  138. nikko na-590
  139. directly driving the IRFP240 n 9240 using the LME49810 or 811
  140. Parasound HCA 3500 Left Channel Runs hotter than right
  141. what is the value of D3 and D4 diode in the sch and whats the use of them?
  142. Le Pacific RIAA preamplifier
  143. Replacing 100KAX2 with 100KBX2
  144. X250 - My next project.
  145. What Did I Break Now?
  146. Quad FM4 tuner mamual mod
  147. Quick (faulty?) op amp question
  148. Need a replacement for a 2N6728
  149. Accuphase amps
  150. audio amplifier bandwidth
  151. Subwoofer amp problem - s8550 substitute?
  152. HK 330A channel imbalance
  153. kav 250a/2 or kav 2250?
  154. SA-W2500 Sub blowing fuse
  155. Op-Amp substitution?
  156. 1979 Amplifier kit
  157. QED A230 Scheme
  158. Technics SU8044
  159. Turn on pop on speaker even when using relay
  160. About Musical Fidelity X-A50
  161. Help with Arcam Delta 110 pre
  162. Uher VG 840 preamp , schm needed
  163. pignose conversion.
  164. Leak Delta 70 - No Sound/Buzzing
  165. STK402 muting speakers popping sound
  166. TA 1050 MK-x
  167. Relation between RC time constant of psu cap and slew rate
  168. Extreme slew rates like 200V/us or 300v/us no use in general but can it be achieved?
  169. Loop stability clarification . . .
  170. Yahama m60 amp
  171. adcom gfa555 or carver tfm35
  172. organ amp power on noise
  173. Krell KSA250 large channel imbalance
  174. HK 330A pre/driver adjustment
  175. Pure audio classic technique
  176. about to buy epcos Sikorel.. users of Sikorel pls post their opinions
  177. Hafler DH-220 issues
  178. High bandwith and dampening rate?
  179. Dr Thomas Power Amp Improvements
  180. Epcos Sikorel slew rate expectations and big Metalized Film Cap bypass
  181. CYRUS II SERIES 7 REPAIR
  182. Soundstream DA-1 repair
  183. Solid State Amplifier Builders Question from a new guy
  184. Nyquist stability
  185. Quiescent current way high on ESP P3a
  186. what about some help over here!!!
  187. CM Labs 914A
  188. Objective2 - one channel doesn't work
  189. Klipsch pro media 2.1 system - he no workee. man cries.
  190. LEDs in vintage receivers
  191. DIAMOND BUFFER PWR AMP WITH CFP PAIR
  192. Quad 303 - questions and thoughts
  193. Naim NAP140 vs GainClone LM3886
  194. PCB etching tank heating
  195. t-amp proline 3000
  196. Harman Kardon Signature 2.1
  197. Old Cresendo - What is it worth
  198. Hafler dh500 vs dynaco st400
  199. Yamaha CA 2010 meters behaviour
  200. Dome - a 16 Watt push-pull Class A amplifier
  201. My joyful projects
  202. Armstrong A17=621 repair
  203. class d amp in 73 ham radio magazine 1964
  204. Very simple power amp
  205. NiMH battery discharger
  206. Adcom GFA-555II donor or rebuild
  207. LTP to VAS interconnection.
  208. Marantz PM66 SE
  209. Some questions about the LM1036
  210. Sony AX380 and JX380 issues
  211. Marantz M9 clone in bridge
  212. Yamaha AX-730 Replacement Transformer
  213. elma attenuator 23 posítion 50 khom
  214. Modern Naim Nait 2 clone?
  215. amp emits low voume sound itself
  216. Just curious
  217. Rotel RA-971 MK2 problem
  218. what could be the reasons for High freq roll off after 14khz
  219. tash ma hall amp
  220. 2sc5200 1943 can be biased more in class A a/c SOA
  221. 2 toroids in monoblock?
  222. ESP P68 Subwoofer Amplifier - Need Help
  223. Problem Sansui AU505
  224. Help! Repairing a Pioneer SA-8100
  225. Marantz R1232L amp with Quad 57's?
  226. Krell KSA250 bias
  227. Matching transistors
  228. Military equipment: microphone eavesdropping - (DIY)
  229. qr amplifier - made in Italy
  230. help av400 R1
  231. CFP output stage adding more output transistors
  232. Spice model for KSE340 NPN?
  233. Confused about this step in the soldermasking process
  234. Noise pattern
  235. the G amp ....
  236. NAD 3020e fried R451 R437 resistor
  237. Best place to put relay?
  238. Someone experiance with ab int. precendent 1450?
  239. first amp project on the cheap
  240. I want to upgrade my Noble pot, what should I get
  241. Help with a power supply
  242. Power amp just buzzing! Need help with diagnosis.
  243. Trimming DC Offset on Nico's preamp
  244. 2SA1215 2SC2921, identify genuine and fake
  245. newbee need help
  246. M&K 250w Sub amp awaken issues
  247. If you like audio equipment . . .
  248. [HELP] Repair Arcam Alpha 2 - 240v
  249. Peavey CS-800 output subs?
  250. Is it possible to build a 2 box pre-power for under £400

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