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  1. TO-220 bjt recommendations, does it matter which type?
  2. Relay-Switched Balanced Volume Control
  3. Audiolab 8000M retrofit 12V tigger
  4. Building FETZILLA - Questions and Answers
  5. How to control volume on DIY Amplifier?
  6. cheap, simple 150w amplifier for sub
  7. Yamaha AX-550RS - toasted fuse reistors
  8. TDA7396 trouble!!!!!
  9. Ema - Three simple resistors
  10. One channel doesn't work but in mono it works
  11. Amplifier adaptation
  12. Krell KSA150 bias problem
  13. B&K AV5000 II schematic needed
  14. Simple low power amp to start
  15. my 10W POWER AMP. NEED HELP''
  16. Cambridge Audio 3Ai LED2 not lighting up
  17. No sound through preamp - Teac AX75mkII
  18. Speaker Protector for Harman Kardon PM640 wanted
  19. Phase margins in higher-order / nested loops
  20. SS noob questions
  21. Curious speaker cable interaction with Krell KSA amp
  22. Calculate Resistance from Z and Phase?
  23. Denon DVR890 - no digital audio - analog OK
  24. Linearity
  25. Difference attenuator? Sameness Amplifier?
  26. Sony STR-K700 receiver (no sound problem)
  27. Marantz MA500 chassis/cabinet grounding
  28. Amplifiers with protection all in one Circuit PCB
  29. Noisy Teac amplifier
  30. Get your power for nothing , and your amps for free ...
  31. How to design CFA amps?
  32. NAD 3020 (& related NAD output stages)
  33. Yamaha rx-v550 --- Help
  34. schematic needed
  35. Amplifier parameters calculation
  36. Issue with Marantz PM 66KI
  37. Need the schematic for the Electrohome M-U2250 amp
  38. Small Battery Powered Amp for Mic Level Input
  39. what to do with "beyond repair" receivers?
  40. grounded collector amp
  41. PARASOUND HCA-855A protection circuit keeps triggering
  42. Blameless vintage big-watt receiver
  43. Arcam Alpha 5 conversion from 220v to 115v
  44. Dynaco ST-150 Boak/Jung/Amer Mods
  45. What do You think about this amp 3000w
  46. Zoom H1 internals/ closeups
  47. Lowering the AC Votage to my speaker protetion circuit.
  48. Random Amp questions
  49. Cmoy preamp, have some questions.
  50. Pioneer SA710 Amplifier
  51. SIC vs IRF
  52. Most ultimate Bluetooth Speaker: Bose's small sized "Soundlink Mini"
  53. The Synclophone
  54. Sansui AU717 service/repair history
  55. Mcintosh pickup of MCD7009
  56. some help on a Den DSP-1800
  57. Transistors 101 question about 2 transistor Darlington configuration
  58. It's possible to create other frequency compensation methods?
  59. Need Service Manual(s) for Stax X1t and CA-X
  60. Modified JLH Amp
  61. Simple Loudspeaker Protection Circuit
  62. Calculatin VAS gain with CCS
  63. Need help in finding stability margins/loop stability in LTspice for my amp
  64. JFet Preamplifier - Help needed..
  65. Suitable Amplifier for my loudspeakers
  66. What are the best way of de-funking electronics?
  67. basic electronics repair question - Sansui G5500
  68. Distortion in 20 year old push pull transistor ahuja amplifier
  69. Starting out in DIY Solid state
  70. Yamaha p2100 diagnosis help
  71. Simulating real-world loads?
  72. Antilia 5 evolution
  73. dennesen jc 80 repair
  74. Mosfet-amp module in Class-B
  75. A new toy to play with: the Symclophone
  76. Symmetrical topology - My new designing
  77. M400 diy kit with 2SK1058/J162 chip
  78. Which amp would you choose?
  79. low pass filter choice at input
  80. NEC X-10II
  81. re3doute
  82. lil Amp - Class A
  83. Advice needed for a 2cL power amp $800 limit
  84. Amp Recommendation under $1k
  85. 8x MicPreamp
  86. Custom Volume Control
  87. Bigger caps on Ayre V5xe ?
  88. Advice on volume control repair
  89. NAD 3140 service manual>>>anyone?
  90. What type of capacitor is needed for Ground Loop Breaker?
  91. Replacing STK 3122 III for STK 3152 originals or 3122 III Generics?
  92. Rotel RB-990BX Blown Channel Help
  93. WNA Class AB 125W Mosfet Amp Schematic Discussion
  94. Better Sounding Transistor?
  95. class A amp with transistors sound better with 200ma bias per trans x 5
  96. toshiba 2SC5949 2SA2121 better than 5200 1943?
  97. A good mono block case deal
  98. NAD 3020e - Clicking Sound - Troubleshooting
  99. sk170 sj74
  100. Peavey PV1500 piggy bank
  101. Cyrus Two upgrade, tweaks.
  102. Please help
  103. a question about mosfets matching
  104. possibility of single power supply for the LME49830 amps?
  105. bora omega
  106. Technics SU-V4 idle current and clamp voltage adjustment confusion
  107. Ampli Technics SU-C03
  108. Inverting SS Amplifiers Destroy Sound Quality
  109. what is Vref+ and Vref- in class H amplifier sch attached in the thread..
  110. Grommes G125M
  111. lm1875 bridge lm3886
  112. Musical Fidelity A5 Integrated
  113. Pioneer SA-7500
  114. splitting exising AV amp into separate boxes... worth it?
  115. Audio of Oregon CC-3 output transistor replacement
  116. Bryston 3B Repair procedure.
  117. ADCOM Transformer VA Rating Question
  118. sansui AU2900
  119. studiomaster vision 8 fault
  120. Local instabilities! Need help!
  121. Aura Evolution VA100 ii
  122. Fake 2N3055?
  123. hitachi hma-7500 mk2
  124. Repairing Bryston 3B, how to match biasing transistors
  125. INA217 Mic Preamp
  126. Cambridge Audio A500 - nothing from the pre-amp stage.
  127. Electronics World article
  128. Hafler DH120 & P125
  129. sakura av-2210 diagram
  130. TDA7293 2.1 Power amplifier board
  131. troubleshooting amp
  132. ZCA - Load resistor....
  133. TGM8 - an amplifier based on Rod Elliot P3a
  134. New amp design on elektor
  135. power amp - acceptable offset
  136. newbee phase splitter question
  137. Replacement MKP with long leads -- good idea?
  138. AMPLIMOS one stage
  139. Switching off amplifier makes pop noise
  140. Proton (NAD) 520 - replacement part
  141. Adcom GFA-545 Distortion LED Lit -w/schematic
  142. LME49810/11/30 without transistors?
  143. Moderator - I have a favor to ask regarding transistors for audio use
  144. Problem of noise when DIY Mosfet amp connected to sound card
  145. Amp for Usher S520 -MX50 SE or DX Blame ST?
  146. Suggest an Amp
  147. PCB for Amplifier with 2n3055/2mj2955
  148. Negative feedback?
  149. Parasound HCA 1000- Need Power Switch
  150. The "most powerful" Audio Transistors on today's market - Any experience with these ?
  151. Hi-Fi RIAA Phono Preamp
  152. Lme49810 with 2SC3263 & 2SA1294 output HELP!!!
  153. Bass speaker amplifier?
  154. cross-over problem
  155. Adjust your amplifier with a level!
  156. 70s Marantz PM 550 DC with silent left channel
  157. Voltage Controlled Attenuator
  158. SMT connection to copper pour?
  159. My stereo amplifiers produce mono output with stereo source!
  160. Are these 2 schematics good?
  161. quad 405 clone oscillation
  162. Nad T 763 hum in one channel but goes as warms up?
  163. Toshiba transistor recommendation for 50W Amplifier
  164. can one LME49810 drive one pair of 2sc5200 2sa1943?
  165. Very big polystyrene caps in size
  166. Tone control with frequency selector
  167. Quad 50
  168. Dx Juan layouts ideas PCB
  169. Dx Blame ST revisiting
  170. Jeff Rowland Coherence 1 - Schematic for the Modules wanted
  171. NAD 325BEE will not turn on
  172. GAS 500 Ampzilla, Thaedra II
  173. Recommendations for off-the-shelf amplifier?
  174. The question of feedback
  175. Safe Ampere Rating for 230VAC On/Off Switch for my Quad 405 Amplifier
  176. LJM L10-1 class a biasing
  177. ARCAM ALPHA 10 flashing red LED
  178. Threshold SA/4e & Threshold FET 10 hl
  179. Where did this amplifier board came from (VINTAGE!)
  180. Low noise transistor
  181. Amplifier with 2n3005/Mj2955
  182. marantz 16 bias/dc offset help
  183. Work In Progress... Leach Based Amplifier
  184. How to bias HK990
  185. VSSA Through-Hole-PCB build thread
  186. Jungson JA-88D crackling and static fixed!
  187. Diamond Differential Amplifier
  188. Constellation audio
  189. Please help with amp-decision
  190. Schematic download site
  191. Hafler DH500 PC-19 Problem
  192. KSW-12 with a blown amp (was told to post here)
  193. Complimentary pairs - matching other parameters
  194. Problem with a Dayton SA1000 Sub Amp
  195. YAMAHA PC 2002M POWER AMP
  196. Too much DC offset in P3A
  197. Exicon Lateral Mosfet doubts
  198. cheep zeners at Mouser
  199. Can someone give me more info about this amplifier?
  200. Testboard LME49830
  201. Schematic of NASA space antenna receivers or LNBs ?
  202. A1145 and C2705 interchangability?
  203. Acoustic Research S12HO
  204. Modify Luxman R-117 for DC offset Adjustment
  205. Making a simple Preamp
  206. OPA1642&LME49600 IV&AMP
  207. 60W simple Audio amplifier with TL071
  208. SKA 150watt monobloc build log. 3D designed chassis.
  209. Pathé Marconi PA 3511V
  210. Inserting a Lpad ....simples?
  211. Conrad Johnson's Solid State Amplifier Series "Motif"-new for me:Are there any Infos?
  212. balanced output Single Ended Class A
  213. Cyrus L,R balance
  214. Braiding yes or no
  215. Creek amp,hum noise
  216. Advent 300
  217. four star
  218. Question regarding BHC T-Net and Slitfoil Capacitor
  219. NAD 2100 input impedance/caps question
  220. B&K EX-442 Mods?
  221. Which amplifier is more stronger ?
  222. Benchmark has a NEW power amp.The best ?
  223. Luxman L-200
  224. nirvana amplifier
  225. Can I change capacitor for input transformer here?
  226. Newbie needs help with QSC MX700
  227. Kenwood L-09M Repairs
  228. Cyrus L,R balance
  229. Indicator lights out on my STA-2000?
  230. Battery to run small practice amp working but need help!
  231. Magnavox AstroSonic Imperial Switch on back
  232. MPF 102 Frustration
  233. Preamplifier heat
  234. Denon poa-2400 intermittent problem
  235. Recommend amp project for new member
  236. do all Amps need dc-protection ?
  237. Who is Lazy Cat and why is his amps so popular?
  238. TRANSISTOR SUBSTITUTEs
  239. RF Punch 60ix!
  240. Aragon 4004mkII: power light on, fuses all good, no sound
  241. Best Amplifier for £100
  242. Unknown connector???
  243. In what situation would a fuse on the primary windings help?
  244. Kenwood KA-3500 Amp hum transformator noise
  245. searching transistors
  246. schematics Kenwood km993
  247. Defektive processor Marantz SR-14!
  248. Grounded bridge implementation with LME49830?
  249. Matching of ECW20N20-Z easier as stated in the Profusionplc site
  250. what happens if the voltage of the output stage exceeds the VAS Stage in LME amps

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