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  1. noise when input connected
  2. Fleapower Hybrid
  3. Buzz in speakers
  4. Scott LK-60 kit channel distortion
  5. Driver transistors choice
  6. Germanium PNP transistor based amplifier (OC36)
  7. Line selector / summing circuit
  8. Have a question about power?
  9. Ampzilla bias set
  10. J-FET low noise audio transistor not obsolete?
  11. mosfet driver
  12. IXTH16N10D2 for amplifier use ?
  13. Yamaha RX-570 Receiver Power Supply Caps Size?
  14. Homemade portable speaker with a vintage amplifier
  15. Anotehr lesson learned in the fight against oscillating amplifiers.
  16. Elna Silmic II in vintage Scott amp?
  17. Ha anyone running this amp??
  18. Harmon Kardon HK3480
  19. Behaivior under voltage ??
  20. Loud BUZZ from one channel on Mondial Designs home theater
  21. marantz pm7000 reley click
  22. Audio Frequency Amplifier
  23. Nad 701 Overheating
  24. which amp would be better...
  25. Need help fault finding a Sony TAFB930
  26. Power amplifier input stage psu filtering
  27. Output stage efficiency with varying rails voltage
  28. Capacitors
  29. I just designed my first amplifier!
  30. BGW 750C smoked
  31. Metaxas Ikarus; problem with volume control
  32. Singing amplifier
  33. Modifying Moon 250i Amplifier
  34. Akai AM2250
  35. How to modify this circuit
  36. 2sc5200\2sa1943 Genuine or fake
  37. MOSFET gate resistors.
  38. Testing an amp with dummy load, can hear music coming from inside the amp.
  39. The class i amp...
  40. old Yamaha P4500 secondary voltage ??
  41. Kenwood amp driving 6 speakers: Safe?
  42. Class X: Jikoda circuit.
  43. Do you build your amplifiers to sustain continuous clipping?
  44. Finally I can start the lost dream of my first project.
  45. Gain Equalization System
  46. Amplifier Bridging
  47. Regarding the Velleman K4700U speaker protection kit
  48. Energy through transformer
  49. eti 466 HUM
  50. Byrston 4B repair
  51. Bias adjustment Harman Kardon HK990
  52. Larger Caps mod - worth it? Sane?
  53. 0.0004% THD 1kHz from NGFB amp close from clipping
  54. Pioneer A-109
  55. B&K St-260 power on and power down issues
  56. Cutoff frequency for RF rejection?
  57. Kenwood KA-3020 Volume control
  58. Class A SE J-Fet Stereo buffer
  59. sony ta-f770es amp
  60. BEOCENTER 3500
  61. New to me Mitsubishi Stack
  62. Please help! repair/refurb/recap a NAD 3020A
  63. Help- DC protection and power regulation
  64. Comparing FFT of Two Amplifiers
  65. Are these 2SC897 devices fake?
  66. Forte Model Six help
  67. Rotel RC03 peramp upgrade !!
  68. Creek 4140 diagram
  69. Ditton DDP-5.1 Digital processor & DCA-5 5 Channel Cinema Amplifer
  70. Another remote control volume thread?
  71. My receiver is humming when DSP is active
  72. JFET SRPP circuit frequency oddity
  73. BJT constant biasing with varying Vcc
  74. Latest project 1600 watt class AB mosfet amplifier.
  75. Sherwood S-7300 Wolverine conversion
  76. BK Electronics modules
  77. remote in/out
  78. Designing with MOSFETs
  79. 100V line transformer as output transformer?
  80. Cant adjust bias on rebuild? Please help?
  81. Amp designed during lunch breaks
  82. My TH-600 300w fully balanced power amp
  83. output input ratio
  84. Dynacord Eminent II T
  85. Capacitor suggestions for a couple refurb projects
  86. I NEED HELP! Easiest amp to make?
  87. KRELL KRS-100 (bias, offset details)
  88. Post pictures of your DIY amplifier chassis
  89. Threshold S300 hum
  90. How important are large filter caps for an amplifier?
  91. Duson B100 schematics(s)
  92. Baxandall 2 Band Active Filter with BJT
  93. Help with PGA2311 preamp transformer
  94. BAT VK-500 Need help!!!
  95. China headphone amp kit?
  96. CCVS (current controlled voltage source) in practice
  97. Death of Zen current adjustment
  98. What should I build?
  99. Yamaha A500 repair
  100. Onkyo A7 question
  101. Lundahl Hybrid Amplifier
  102. Question on self bias of small JFET
  103. Quad 405 II
  104. Nakamichi 620 - how does it work?
  105. Need a working amplifier circuit please help
  106. Need a working amplifier circuit please help
  107. Output stage efficiency
  108. INA217 Mic Preamp and its Capacitors
  109. Adcom GTP-500 Repair
  110. Spartacus S-1000 Build Log
  111. NMOS200 by Quasi
  112. Philips LBB 1240/00
  113. Sansui AU 4900 problem
  114. Help in design: adding a Baxandall diode across emitter in Quasi Complimentary Stage
  115. Alesis RA-100 - Toroidal Transformer
  116. volume control on HK avr10 question
  117. AB international 9620b channel gone
  118. quad 405 clone boards. fried.
  119. Rotel RA-712 recap gone west
  120. Wharfedale Linton amp, shut down problems.
  121. need a little help with sub
  122. Yamaha EMX212S Powered Mixer Repair
  123. Using bracket for heatsink, is it OK ?
  124. SS Power Amp - Low cost and good quality
  125. How much smaller can heatsink be if fan used ?
  126. Bogey SPX6000
  127. Potentiometer substitute question.
  128. Amplifier For Beyma 21Pw1400Fe
  129. The Use of Thermistor NTC
  130. Creek Destiny schematic anyone?
  131. Can any of you amazing folks determine what this used to be?
  132. Any experience with BASH amp (class H) - repair advice
  133. Hafler 9270 - Dead UI Type Transformer
  134. How much THD is too much
  135. Yamaha AX-500 direct CD switch wanted
  136. New Output Stage?
  137. Attaching Aluminum bar to heatsink - thermal paste or pads?
  138. Nakamichi ca-7 hum problem
  139. Is there a reason to use RCA over BNC connectors to transport analog audio?
  140. How does one trace a signal path through an amp schematic??
  141. Pre-outs of receiver to subwoofer?
  142. Altec 1593B bias issue
  143. Denon PMA-655R input selector problem
  144. Why does connection of my can amp cause a sat-on sound in my main system ?
  145. Harmon kardon avr35 repair
  146. DIY power amplifier
  147. Yamaha RX-A2030 Extreme Makeover
  148. Frontman 212r, my bad.
  149. KG Balanced Dynahi DIY - Square wave ripple issue
  150. Teac A-H500 faulty input selector
  151. Diy DI box and inverse, ground lift help
  152. good book?
  153. Problems with Boston gt-24 car amp
  154. SKA GB150D bridge?
  155. Pioneer SA-6300
  156. Vintage Receivers for BiAmping F.A.S.T setup
  157. Rules about running cables?
  158. JLH 10W 1996 Update Questions
  159. Real World Opamp Distortion
  160. Difference between hafler p225 and p230
  161. ? On Denon pma 777 interfaced amp
  162. Circlotron on field-effect transistors with a stabilization system modes.
  163. Old Crown Micro Tech 1200?
  164. Pioneer A-300R service manual
  165. Average vs rms current in EF output stage
  166. Determining current flow
  167. Most efficient amp
  168. Nakamichi 730 issues-help!?!?!
  169. How to build a 21st century protection board
  170. Pioneer A400 Phono stage caps?
  171. Considering a NAIM clone off ebay
  172. Help Needed for MASU P-14 China Clone Amp
  173. Hitachi Sr-903 tuning issue
  174. how to increase the amp power (watts) for 4 ohm?
  175. DC speaker protection
  176. Cool simple "clean" CFA
  177. Newby in designing OPS.
  178. Very Simple Hybrid Ampifier
  179. Worth buying a cheap used power amp for new build?
  180. Troubleshooting subwoofer amplifier with no output
  181. Power transistor suggestions
  182. Tivoli radio audio fading
  183. fault finding BJT replacement in Sony STR-DA5300ES power amp
  184. resistor recomd
  185. found this jlh clone kit today
  186. Class A 8W
  187. Voltage amplifier stage burning constantly - 10W class AB
  188. AB Mosfet strange behavior
  189. Bryston 1b fix questions
  190. Ab / A class amplifier board... ebay or whatever?
  191. EFP /CFP war
  192. Aura PA200 hum problem
  193. In-circuit mosfet test?
  194. Onkyo AV Recerver
  195. Messing about with JFET input JLH
  196. Denon AVR-485 Repair
  197. Question in Bob Cordell's Audio Power amp. book.
  198. wierd squeaky problem with crown csl800
  199. Good sources for 75 ohm BNC cables?
  200. DOGC-H by Dr. Jagodic
  201. Arcam alfa 10 Help!
  202. Problem with Luxman R117 source switching
  203. Class B feedback resistors originally missing in a vintage integrated amplifier
  204. Adcom gfa5500
  205. Dynaco sca80-q question.
  206. NAD C372 problem
  207. Fairchild KSC1845 is substitutes for 2SC458 and 2SC945?
  208. Zener diode on Altec 1593B amp
  209. Can someone please explain this circuit?
  210. Cambridge A500 Problems
  211. Normalize all audio to same peak voltage?
  212. Cheap ICOM IC 756 PRO 3 and ELECRAFT K3/P3-KPA500
  213. Germanium power transistor 2n1522
  214. Help
  215. Lever switch
  216. super basic ab amplifier?
  217. RX-707V JVC
  218. Rotel RC 03 technical schematic?
  219. Bose 1800 spares?
  220. CSH4 MkII HEXFET amplifier
  221. Help with Rotel RB-850 amps
  222. Germanium Transistors
  223. Building a Power amp...
  224. Nikko TRM-750 recapping project
  225. Cleaning a crackling dual concentric volume control?
  226. little help, broke something trying to repair an amp.
  227. 2sa1306a/2sc3298a
  228. rega cursa schematics
  229. Mismatch schematic/PCB LME49830 reference design
  230. TIP31A a good sub for a 2sc931
  231. Upgrading Sony TA-N77ES Power Amp
  232. Power Amp Grounding Scheme
  233. So... What amp should i build?
  234. hifi Power Amplifier
  235. Mosfet in TO-3 package
  236. Please Help me - Receiver Kenwood KR 5150
  237. Cepiar RS-300
  238. Rotel 930AX tweak opinion
  239. Pa Amp repair - any help?
  240. Symasym - 2 output pairs?
  241. Luxmam M-12 bias and dc offset adjustment
  242. Sony TA-AX380 does not power up
  243. Yamaha CX-600 Preamplifier wont turn on
  244. QSC isa300ti schematic needed
  245. Helping a Friend:- Musical Fidelity A3.2 Integrated Dual Mono Schematics and SAP15
  246. HeadPhone Buffer with complementary feedback
  247. Can I improve the sound of my HT receiver with these mods?
  248. I need schematics for a mosfet amplifier
  249. Commercial available discrete OP-AMPs - Overview wanted
  250. replacing RC4136 opamp w/ 2 OPA2134 on DIP pinout adapter board

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