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  1. What may prevent Output Relays from opening?
  2. rx-v2090
  3. Measuring the voltage rails of an amplifier.
  4. 1988 Yamaha ax 700 intgrated amp
  5. Where do i get hold of MPS8599/MPSA56 in europa?
  6. Denon DRA 345R problem
  7. Pioneer M72 Schematic
  8. does a Vbe multiplier effects the sound quality for IRFP240 9240?
  9. Capacitor ID
  10. Reducing output of pre-amp
  11. Tone control 3 bands
  12. Jamo MPA-201
  13. help troubleshooting Fisher 440T
  14. Regulator with floating ground and speaker protection
  15. Sony STR-D315 Repair/troubleshooting
  16. 60-0-60V ps
  17. jjh amp like jlh1969 mos
  18. Same question, different year
  19. JJH amp LIKE MOS jlh
  20. TIP 120/125, any simple amps ?
  21. Only 2SK60 OCL Amplifier ?
  22. Help understanding (circuit wise) this predriver-driver configuration
  23. Marantz 1030 restoration
  24. Leach Amp troubleshooting
  25. Help with Stax SRA12S Electostatic amp/preamp
  26. Non-Polarized Cap in Bryston Feedback Loop?
  27. Help stabilizing this amplifier...
  28. TRANSCON - 2 X Cascode VAS plus 1 X Transconductance
  29. Help,,,,Dead Rotel ra1412 amp
  30. Supplying multiple power amplifier (op amps)
  31. Yamaha RX-V2600 has PS PRT 107Q
  32. Ic 221-241 ??
  33. Luxman: new DML units issued.
  34. LME49810 from connex burnout..
  35. Singleton Input Stage Amplifier
  36. SONY VFET 2SK60 OCL?
  37. Dynaco 120 Rebuild
  38. Yamaha CA1010 Speaker Relay
  39. NAD 3300 Power Envelope Amplifier
  40. Mark Levinson LNP-2
  41. Pre Amp/Buffer and Amp for a Ukulele with an under saddle Piezo pickup
  42. Dead speaker output on Alpha 10 Amp
  43. HELP! with RX-396 Power Transformer
  44. Help with old Peavey amp
  45. Need Help NAD 304
  46. 10Mhz Oscilloscope for CD Player Laser Calibration
  47. The best 1W amp with 6v5 1A, anyone?
  48. Technics SU V98 bad channel
  49. matching complementary transistors quickly and easily
  50. Needed: Marantz SR-92 service manual
  51. VA topologies for audio amplifiers
  52. Types of current sources for audio amplifier applications
  53. Yamaha RX-V2600 has PS PRT 107Q
  54. diy 48V phantom condenser mic humming loudly
  55. Amp line level outs are floating gnd. Sub ins are common.
  56. TEDDY AMP
  57. Vertical Mosfet Amplifier with high THD distortion levels
  58. bias pot and adjustment for gfa-5400
  59. ultra performance amp
  60. Selecting Line Input Transformer.. Help!
  61. Newbie - Cyrus 1 as pre-amp for Exposure Super 8?
  62. Triple Emitter Follower for IRFP240
  63. how to fix kenwood A58 amp
  64. pspice for 2N5457
  65. 5534 TMCed low power amp
  66. Krell power transistors
  67. Threshold S/550E service info
  68. Transformer's Center Tap Connection
  69. Need help fixing Marshall 8008 power amp blowing output transformers
  70. Quad 44/405
  71. Output inductor in power amps - pro and con
  72. Help needed biassing electrocompaniet eci-4
  73. how much Quiescent current is safe for IRFP240?
  74. Has this been tried?
  75. Heathkit AA-1515 schematic needed
  76. From a design standpoint, which amp would you pick?
  77. Luxman LV-105 non working. Best/worst it might be?
  78. High AC Voltage Between Grounds
  79. NAD 3020 Tone Bypass
  80. Wattage claims from L7 eBay amplifier
  81. Harman Kardon Citation 12 input amplifier
  82. Pioneer A400 amp servicing in UK
  83. electrocompaniet eci-4 help needed
  84. Rotel RC 995
  85. Power Transformer
  86. linn classik stuck in standby
  87. long distance high freq attenuation solution?
  88. what is the role of R4 and D1 in the schematic
  89. Choosing variable biasing resistor?
  90. Amp Buzz
  91. Is 4.2W too much for this heatsink?
  92. Audio Power Amplifier Design book- Douglas Self wants your opinions
  93. What kind of switches are these?
  94. From beginner to builder?
  95. Ultimate ultra hifidelity opamp?
  96. diving into the deep end
  97. Question about Soundcraftsmen pm1600
  98. SIMPLE AMP
  99. Technics SU8044
  100. Sparks flying in Parasound
  101. ac-dc 1.2kw smps
  102. Onkyo power amp board
  103. TGM6 - modified Pioneer HT amplifier
  104. yahama m60
  105. Help me fix this "buzz"?
  106. sony N80ES blown tranistor
  107. 1st post, issue with a Adcom GFA-555, 60 cycle hum
  108. How to scale up this SE class A ?
  109. Jim's Audio Goldmund Telos 390 clone
  110. F5 for 200W, 4ohm speakers & home cinema setup help...
  111. preamplifier usher p 307a
  112. Carver M1.5t Right channel dead
  113. Cambridge A500 no power (fuses OK)
  114. DIY Amps for New Home System - Music & Movies
  115. Capacitor Coupled Amp?
  116. new CFP Output configurations
  117. The best LM317 ....
  118. Rotel Rotary switch
  119. Need Arcam A80 schematic
  120. Pioneer VSX-7300
  121. Low noise resistors, cheap, 1/4 watt 1/8 watt
  122. Marantz 1060 amp dead channel
  123. DIY Project...
  124. Buzzing sound from NAD 3155
  125. f5 based high power class ab amplifier
  126. preamplifier usher p 307a
  127. apex audio 800
  128. Technics RS M11 Schematic
  129. Quiet amplifier
  130. MAYAMP - full CFP stages
  131. Ground loop/120hz noise in my preamp
  132. Project on Pulse Generator Help !!!
  133. Advice with tuning up old school car Sony Amplifier signal path.
  134. Famous 50w amplifier, with more MJ2955 2N3055
  135. Single Ended Solid state preamp
  136. Single Ended Solid state preamp
  137. Help Identifying Diode?
  138. JVC RX-807V
  139. Small Amp, Renioo Project
  140. Advice Needed-Capacitor Value
  141. Protecting a speaker from DC
  142. MISSION CYRUS PSX
  143. CYRUS TWO ISSUE 07 RECAP
  144. phonic max 2500
  145. Amarna Sun - a new amplifier design
  146. "Zero Feedback Impedance Amplifier" Anyone built this amp?
  147. nikko na-590
  148. directly driving the IRFP240 n 9240 using the LME49810 or 811
  149. Parasound HCA 3500 Left Channel Runs hotter than right
  150. what is the value of D3 and D4 diode in the sch and whats the use of them?
  151. Le Pacific RIAA preamplifier
  152. Replacing 100KAX2 with 100KBX2
  153. X250 - My next project.
  154. What Did I Break Now?
  155. Quad FM4 tuner mamual mod
  156. Quick (faulty?) op amp question
  157. Need a replacement for a 2N6728
  158. Accuphase amps
  159. audio amplifier bandwidth
  160. Subwoofer amp problem - s8550 substitute?
  161. HK 330A channel imbalance
  162. kav 250a/2 or kav 2250?
  163. SA-W2500 Sub blowing fuse
  164. Op-Amp substitution?
  165. 1979 Amplifier kit
  166. QED A230 Scheme
  167. Technics SU8044
  168. Turn on pop on speaker even when using relay
  169. About Musical Fidelity X-A50
  170. Help with Arcam Delta 110 pre
  171. Uher VG 840 preamp , schm needed
  172. pignose conversion.
  173. Leak Delta 70 - No Sound/Buzzing
  174. STK402 muting speakers popping sound
  175. TA 1050 MK-x
  176. Relation between RC time constant of psu cap and slew rate
  177. Extreme slew rates like 200V/us or 300v/us no use in general but can it be achieved?
  178. Loop stability clarification . . .
  179. Yahama m60 amp
  180. adcom gfa555 or carver tfm35
  181. organ amp power on noise
  182. Krell KSA250 large channel imbalance
  183. HK 330A pre/driver adjustment
  184. Pure audio classic technique
  185. about to buy epcos Sikorel.. users of Sikorel pls post their opinions
  186. Hafler DH-220 issues
  187. High bandwith and dampening rate?
  188. Dr Thomas Power Amp Improvements
  189. Epcos Sikorel slew rate expectations and big Metalized Film Cap bypass
  190. CYRUS II SERIES 7 REPAIR
  191. Soundstream DA-1 repair
  192. Solid State Amplifier Builders Question from a new guy
  193. Nyquist stability
  194. Quiescent current way high on ESP P3a
  195. what about some help over here!!!
  196. CM Labs 914A
  197. Objective2 - one channel doesn't work
  198. Klipsch pro media 2.1 system - he no workee. man cries.
  199. LEDs in vintage receivers
  200. DIAMOND BUFFER PWR AMP WITH CFP PAIR
  201. Quad 303 - questions and thoughts
  202. Naim NAP140 vs GainClone LM3886
  203. PCB etching tank heating
  204. t-amp proline 3000
  205. Harman Kardon Signature 2.1
  206. Old Cresendo - What is it worth
  207. Hafler dh500 vs dynaco st400
  208. Yamaha CA 2010 meters behaviour
  209. Dome - a 16 Watt push-pull Class A amplifier
  210. My joyful projects
  211. Armstrong A17=621 repair
  212. class d amp in 73 ham radio magazine 1964
  213. Very simple power amp
  214. NiMH battery discharger
  215. Adcom GFA-555II donor or rebuild
  216. LTP to VAS interconnection.
  217. Marantz PM66 SE
  218. Some questions about the LM1036
  219. Sony AX380 and JX380 issues
  220. Marantz M9 clone in bridge
  221. Yamaha AX-730 Replacement Transformer
  222. elma attenuator 23 posítion 50 khom
  223. Modern Naim Nait 2 clone?
  224. amp emits low voume sound itself
  225. Just curious
  226. Rotel RA-971 MK2 problem
  227. what could be the reasons for High freq roll off after 14khz
  228. tash ma hall amp
  229. 2sc5200 1943 can be biased more in class A a/c SOA
  230. 2 toroids in monoblock?
  231. ESP P68 Subwoofer Amplifier - Need Help
  232. Problem Sansui AU505
  233. Help! Repairing a Pioneer SA-8100
  234. Marantz R1232L amp with Quad 57's?
  235. Krell KSA250 bias
  236. Matching transistors
  237. Military equipment: microphone eavesdropping - (DIY)
  238. qr amplifier - made in Italy
  239. help av400 R1
  240. CFP output stage adding more output transistors
  241. Spice model for KSE340 NPN?
  242. Confused about this step in the soldermasking process
  243. Noise pattern
  244. the G amp ....
  245. NAD 3020e fried R451 R437 resistor
  246. Best place to put relay?
  247. Someone experiance with ab int. precendent 1450?
  248. first amp project on the cheap
  249. I want to upgrade my Noble pot, what should I get
  250. Help with a power supply

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