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  1. Anotehr lesson learned in the fight against oscillating amplifiers.
  2. Elna Silmic II in vintage Scott amp?
  3. Ha anyone running this amp??
  4. Harmon Kardon HK3480
  5. Behaivior under voltage ??
  6. Loud BUZZ from one channel on Mondial Designs home theater
  7. marantz pm7000 reley click
  8. Audio Frequency Amplifier
  9. Nad 701 Overheating
  10. which amp would be better...
  11. Need help fault finding a Sony TAFB930
  12. Power amplifier input stage psu filtering
  13. Output stage efficiency with varying rails voltage
  14. Capacitors
  15. I just designed my first amplifier!
  16. BGW 750C smoked
  17. Metaxas Ikarus; problem with volume control
  18. Singing amplifier
  19. Modifying Moon 250i Amplifier
  20. Akai AM2250
  21. How to modify this circuit
  22. 2sc5200\2sa1943 Genuine or fake
  23. MOSFET gate resistors.
  24. Testing an amp with dummy load, can hear music coming from inside the amp.
  25. The class i amp...
  26. old Yamaha P4500 secondary voltage ??
  27. Kenwood amp driving 6 speakers: Safe?
  28. Class X: Jikoda circuit.
  29. Do you build your amplifiers to sustain continuous clipping?
  30. Finally I can start the lost dream of my first project.
  31. Gain Equalization System
  32. Amplifier Bridging
  33. Regarding the Velleman K4700U speaker protection kit
  34. Energy through transformer
  35. eti 466 HUM
  36. Byrston 4B repair
  37. Bias adjustment Harman Kardon HK990
  38. Larger Caps mod - worth it? Sane?
  39. 0.0004% THD 1kHz from NGFB amp close from clipping
  40. Pioneer A-109
  41. B&K St-260 power on and power down issues
  42. Cutoff frequency for RF rejection?
  43. Kenwood KA-3020 Volume control
  44. Class A SE J-Fet Stereo buffer
  45. sony ta-f770es amp
  46. BEOCENTER 3500
  47. New to me Mitsubishi Stack
  48. Please help! repair/refurb/recap a NAD 3020A
  49. Help- DC protection and power regulation
  50. Behringer K1800FX
  51. Comparing FFT of Two Amplifiers
  52. Are these 2SC897 devices fake?
  53. Forte Model Six help
  54. Rotel RC03 peramp upgrade !!
  55. Creek 4140 diagram
  56. Ditton DDP-5.1 Digital processor & DCA-5 5 Channel Cinema Amplifer
  57. Another remote control volume thread?
  58. My receiver is humming when DSP is active
  59. JFET SRPP circuit frequency oddity
  60. BJT constant biasing with varying Vcc
  61. Latest project 1600 watt class AB mosfet amplifier.
  62. Sherwood S-7300 Wolverine conversion
  63. BK Electronics modules
  64. remote in/out
  65. Designing with MOSFETs
  66. 100V line transformer as output transformer?
  67. Cant adjust bias on rebuild? Please help?
  68. Amp designed during lunch breaks
  69. My TH-600 300w fully balanced power amp
  70. output input ratio
  71. Dynacord Eminent II T
  72. Capacitor suggestions for a couple refurb projects
  73. I NEED HELP! Easiest amp to make?
  74. KRELL KRS-100 (bias, offset details)
  75. Post pictures of your DIY amplifier chassis
  76. Threshold S300 hum
  77. How important are large filter caps for an amplifier?
  78. Duson B100 schematics(s)
  79. Baxandall 2 Band Active Filter with BJT
  80. Help with PGA2311 preamp transformer
  81. BAT VK-500 Need help!!!
  82. China headphone amp kit?
  83. CCVS (current controlled voltage source) in practice
  84. Death of Zen current adjustment
  85. What should I build?
  86. Yamaha A500 repair
  87. Onkyo A7 question
  88. Lundahl Hybrid Amplifier
  89. Question on self bias of small JFET
  90. Quad 405 II
  91. Nakamichi 620 - how does it work?
  92. Need a working amplifier circuit please help
  93. Need a working amplifier circuit please help
  94. Output stage efficiency
  95. INA217 Mic Preamp and its Capacitors
  96. Adcom GTP-500 Repair
  97. Spartacus S-1000 Build Log
  98. NMOS200 by Quasi
  99. Philips LBB 1240/00
  100. Sansui AU 4900 problem
  101. Help in design: adding a Baxandall diode across emitter in Quasi Complimentary Stage
  102. Alesis RA-100 - Toroidal Transformer
  103. volume control on HK avr10 question
  104. AB international 9620b channel gone
  105. quad 405 clone boards. fried.
  106. Rotel RA-712 recap gone west
  107. Wharfedale Linton amp, shut down problems.
  108. need a little help with sub
  109. Yamaha EMX212S Powered Mixer Repair
  110. Using bracket for heatsink, is it OK ?
  111. SS Power Amp - Low cost and good quality
  112. How much smaller can heatsink be if fan used ?
  113. Bogey SPX6000
  114. Potentiometer substitute question.
  115. Amplifier For Beyma 21Pw1400Fe
  116. The Use of Thermistor NTC
  117. Creek Destiny schematic anyone?
  118. Can any of you amazing folks determine what this used to be?
  119. Any experience with BASH amp (class H) - repair advice
  120. Hafler 9270 - Dead UI Type Transformer
  121. How much THD is too much
  122. Yamaha AX-500 direct CD switch wanted
  123. New Output Stage?
  124. Attaching Aluminum bar to heatsink - thermal paste or pads?
  125. Nakamichi ca-7 hum problem
  126. Behringer NU1000 Pinout..
  127. Is there a reason to use RCA over BNC connectors to transport analog audio?
  128. How does one trace a signal path through an amp schematic??
  129. Pre-outs of receiver to subwoofer?
  130. Altec 1593B bias issue
  131. Denon PMA-655R input selector problem
  132. Why does connection of my can amp cause a sat-on sound in my main system ?
  133. Harmon kardon avr35 repair
  134. DIY power amplifier
  135. Yamaha RX-A2030 Extreme Makeover
  136. Frontman 212r, my bad.
  137. KG Balanced Dynahi DIY - Square wave ripple issue
  138. Teac A-H500 faulty input selector
  139. Diy DI box and inverse, ground lift help
  140. good book?
  141. Problems with Boston gt-24 car amp
  142. SKA GB150D bridge?
  143. Pioneer SA-6300
  144. Vintage Receivers for BiAmping F.A.S.T setup
  145. Rules about running cables?
  146. JLH 10W 1996 Update Questions
  147. Real World Opamp Distortion
  148. Difference between hafler p225 and p230
  149. ? On Denon pma 777 interfaced amp
  150. Circlotron on field-effect transistors with a stabilization system modes.
  151. Old Crown Micro Tech 1200?
  152. Pioneer A-300R service manual
  153. Average vs rms current in EF output stage
  154. Guitar Amplifier
  155. Determining current flow
  156. Most efficient amp
  157. Nakamichi 730 issues-help!?!?!
  158. How to build a 21-st century protection board
  159. Pioneer A400 Phono stage caps?
  160. Considering a NAIM clone off ebay
  161. Help Needed for MASU P-14 China Clone Amp
  162. Hitachi Sr-903 tuning issue
  163. how to increase the amp power (watts) for 4 ohm?
  164. DC speaker protection
  165. Cool simple "clean" CFA
  166. Newby in designing OPS.
  167. Very Simple Hybrid Ampifier
  168. Worth buying a cheap used power amp for new build?
  169. Troubleshooting subwoofer amplifier with no output
  170. Power transistor suggestions
  171. Tivoli radio audio fading
  172. fault finding BJT replacement in Sony STR-DA5300ES power amp
  173. resistor recomd
  174. found this jlh clone kit today
  175. Class A 8W
  176. Voltage amplifier stage burning constantly - 10W class AB
  177. AB Mosfet strange behavior
  178. Bryston 1b fix questions
  179. Ab / A class amplifier board... ebay or whatever?
  180. EFP /CFP war
  181. Aura PA200 hum problem
  182. In-circuit mosfet test?
  183. Onkyo AV Recerver
  184. Messing about with JFET input JLH
  185. Denon AVR-485 Repair
  186. Question in Bob Cordell's Audio Power amp. book.
  187. wierd squeaky problem with crown csl800
  188. Good sources for 75 ohm BNC cables?
  189. DOGC-H by Dr. Jagodic
  190. Arcam alfa 10 Help!
  191. Problem with Luxman R117 source switching
  192. Class B feedback resistors originally missing in a vintage integrated amplifier
  193. Adcom gfa5500
  194. Dynaco sca80-q question.
  195. NAD C372 problem
  196. Fairchild KSC1845 is substitutes for 2SC458 and 2SC945?
  197. Zener diode on Altec 1593B amp
  198. Can someone please explain this circuit?
  199. Cambridge A500 Problems
  200. Normalize all audio to same peak voltage?
  201. Cheap ICOM IC 756 PRO 3 and ELECRAFT K3/P3-KPA500
  202. Germanium power transistor 2n1522
  203. Help
  204. Lever switch
  205. super basic ab amplifier?
  206. RX-707V JVC
  207. Rotel RC 03 technical schematic?
  208. Bose 1800 spares?
  209. CSH4 MkII HEXFET amplifier
  210. Help with Rotel RB-850 amps
  211. Germanium Transistors
  212. Building a Power amp...
  213. Peavey 260C module rare version?
  214. Nikko TRM-750 recapping project
  215. Cleaning a crackling dual concentric volume control?
  216. little help, broke something trying to repair an amp.
  217. 2sa1306a/2sc3298a
  218. rega cursa schematics
  219. Mismatch schematic/PCB LME49830 reference design
  220. TIP31A a good sub for a 2sc931
  221. Upgrading Sony TA-N77ES Power Amp
  222. Power Amp Grounding Scheme
  223. So... What amp should i build?
  224. hifi Power Amplifier
  225. Mosfet in TO-3 package
  226. Please Help me - Receiver Kenwood KR 5150
  227. Cepiar RS-300
  228. Rotel 930AX tweak opinion
  229. Pa Amp repair - any help?
  230. Symasym - 2 output pairs?
  231. Luxmam M-12 bias and dc offset adjustment
  232. Sony TA-AX380 does not power up
  233. Yamaha CX-600 Preamplifier wont turn on
  234. QSC isa300ti schematic needed
  235. Helping a Friend:- Musical Fidelity A3.2 Integrated Dual Mono Schematics and SAP15
  236. HeadPhone Buffer with complementary feedback
  237. Can I improve the sound of my HT receiver with these mods?
  238. I need schematics for a mosfet amplifier
  239. Commercial available discrete OP-AMPs - Overview wanted
  240. behringer gx110
  241. replacing RC4136 opamp w/ 2 OPA2134 on DIP pinout adapter board
  242. help identify capacitor
  243. Is DC power amp danger to speaker?
  244. Sony XM-10020 brunt resistor help
  245. SS project... need help
  246. AKAI AM-U41 Light replacement for Power Indicator
  247. Why a lot of power amps use complementry differential input?
  248. Hafler DH-220 AMP. Is it a kit?
  249. Akai AA-1200 - where to buy parts? Mods?
  250. copyright of Apex board as commercial product?

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