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  1. Capacitors
  2. I just designed my first amplifier!
  3. BGW 750C smoked
  4. Metaxas Ikarus; problem with volume control
  5. Singing amplifier
  6. Modifying Moon 250i Amplifier
  7. Akai AM2250
  8. How to modify this circuit
  9. 2sc5200\2sa1943 Genuine or fake
  10. MOSFET gate resistors.
  11. Testing an amp with dummy load, can hear music coming from inside the amp.
  12. The class i amp...
  13. old Yamaha P4500 secondary voltage ??
  14. Kenwood amp driving 6 speakers: Safe?
  15. Class X: Jikoda circuit.
  16. Do you build your amplifiers to sustain continuous clipping?
  17. Finally I can start the lost dream of my first project.
  18. Gain Equalization System
  19. Amplifier Bridging
  20. Regarding the Velleman K4700U speaker protection kit
  21. Energy through transformer
  22. eti 466 HUM
  23. Byrston 4B repair
  24. Bias adjustment Harman Kardon HK990
  25. Larger Caps mod - worth it? Sane?
  26. 0.0004% THD 1kHz from NGFB amp close from clipping
  27. Pioneer A-109
  28. B&K St-260 power on and power down issues
  29. Cutoff frequency for RF rejection?
  30. Kenwood KA-3020 Volume control
  31. Class A SE J-Fet Stereo buffer
  32. sony ta-f770es amp
  33. BEOCENTER 3500
  34. New to me Mitsubishi Stack
  35. Please help! repair/refurb/recap a NAD 3020A
  36. Help- DC protection and power regulation
  37. Behringer K1800FX
  38. Comparing FFT of Two Amplifiers
  39. Are these 2SC897 devices fake?
  40. Forte Model Six help
  41. Rotel RC03 peramp upgrade !!
  42. Creek 4140 diagram
  43. Ditton DDP-5.1 Digital processor & DCA-5 5 Channel Cinema Amplifer
  44. Another remote control volume thread?
  45. My receiver is humming when DSP is active
  46. JFET SRPP circuit frequency oddity
  47. BJT constant biasing with varying Vcc
  48. Latest project 1600 watt class AB mosfet amplifier.
  49. Sherwood S-7300 Wolverine conversion
  50. BK Electronics modules
  51. remote in/out
  52. Designing with MOSFETs
  53. 100V line transformer as output transformer?
  54. Cant adjust bias on rebuild? Please help?
  55. Amp designed during lunch breaks
  56. My TH-600 300w fully balanced power amp
  57. output input ratio
  58. Dynacord Eminent II T
  59. Capacitor suggestions for a couple refurb projects
  60. I NEED HELP! Easiest amp to make?
  61. KRELL KRS-100 (bias, offset details)
  62. Post pictures of your DIY amplifier chassis
  63. Threshold S300 hum
  64. How important are large filter caps for an amplifier?
  65. Duson B100 schematics(s)
  66. Baxandall 2 Band Active Filter with BJT
  67. Help with PGA2311 preamp transformer
  68. BAT VK-500 Need help!!!
  69. China headphone amp kit?
  70. CCVS (current controlled voltage source) in practice
  71. Death of Zen current adjustment
  72. What should I build?
  73. Yamaha A500 repair
  74. Onkyo A7 question
  75. Lundahl Hybrid Amplifier
  76. Question on self bias of small JFET
  77. Quad 405 II
  78. Nakamichi 620 - how does it work?
  79. Need a working amplifier circuit please help
  80. Need a working amplifier circuit please help
  81. Output stage efficiency
  82. INA217 Mic Preamp and its Capacitors
  83. Adcom GTP-500 Repair
  84. Spartacus S-1000 Build Log
  85. NMOS200 by Quasi
  86. Philips LBB 1240/00
  87. Sansui AU 4900 problem
  88. Help in design: adding a Baxandall diode across emitter in Quasi Complimentary Stage
  89. Alesis RA-100 - Toroidal Transformer
  90. volume control on HK avr10 question
  91. AB international 9620b channel gone
  92. quad 405 clone boards. fried.
  93. Rotel RA-712 recap gone west
  94. Wharfedale Linton amp, shut down problems.
  95. need a little help with sub
  96. Yamaha EMX212S Powered Mixer Repair
  97. Using bracket for heatsink, is it OK ?
  98. SS Power Amp - Low cost and good quality
  99. How much smaller can heatsink be if fan used ?
  100. Bogey SPX6000
  101. Potentiometer substitute question.
  102. Amplifier For Beyma 21Pw1400Fe
  103. The Use of Thermistor NTC
  104. Creek Destiny schematic anyone?
  105. Can any of you amazing folks determine what this used to be?
  106. Any experience with BASH amp (class H) - repair advice
  107. Hafler 9270 - Dead UI Type Transformer
  108. How much THD is too much
  109. Yamaha AX-500 direct CD switch wanted
  110. New Output Stage?
  111. Attaching Aluminum bar to heatsink - thermal paste or pads?
  112. Nakamichi ca-7 hum problem
  113. Behringer NU1000 Pinout..
  114. Is there a reason to use RCA over BNC connectors to transport analog audio?
  115. How does one trace a signal path through an amp schematic??
  116. Pre-outs of receiver to subwoofer?
  117. Altec 1593B bias issue
  118. Denon PMA-655R input selector problem
  119. Why does connection of my can amp cause a sat-on sound in my main system ?
  120. Harmon kardon avr35 repair
  121. DIY power amplifier
  122. Yamaha RX-A2030 Extreme Makeover
  123. Frontman 212r, my bad.
  124. KG Balanced Dynahi DIY - Square wave ripple issue
  125. Teac A-H500 faulty input selector
  126. Diy DI box and inverse, ground lift help
  127. good book?
  128. Problems with Boston gt-24 car amp
  129. SKA GB150D bridge?
  130. Pioneer SA-6300
  131. Vintage Receivers for BiAmping F.A.S.T setup
  132. Rules about running cables?
  133. JLH 10W 1996 Update Questions
  134. Real World Opamp Distortion
  135. Difference between hafler p225 and p230
  136. ? On Denon pma 777 interfaced amp
  137. Circlotron on field-effect transistors with a stabilization system modes.
  138. Old Crown Micro Tech 1200?
  139. Pioneer A-300R service manual
  140. Average vs rms current in EF output stage
  141. Guitar Amplifier
  142. Determining current flow
  143. Most efficient amp
  144. Nakamichi 730 issues-help!?!?!
  145. How to build a 21-st century protection board
  146. Pioneer A400 Phono stage caps?
  147. Considering a NAIM clone off ebay
  148. Help Needed for MASU P-14 China Clone Amp
  149. Hitachi Sr-903 tuning issue
  150. how to increase the amp power (watts) for 4 ohm?
  151. DC speaker protection
  152. Cool simple "clean" CFA
  153. Newby in designing OPS.
  154. Very Simple Hybrid Ampifier
  155. Worth buying a cheap used power amp for new build?
  156. Troubleshooting subwoofer amplifier with no output
  157. Power transistor suggestions
  158. Tivoli radio audio fading
  159. fault finding BJT replacement in Sony STR-DA5300ES power amp
  160. resistor recomd
  161. found this jlh clone kit today
  162. Class A 8W
  163. Voltage amplifier stage burning constantly - 10W class AB
  164. AB Mosfet strange behavior
  165. Bryston 1b fix questions
  166. Ab / A class amplifier board... ebay or whatever?
  167. EFP /CFP war
  168. Aura PA200 hum problem
  169. In-circuit mosfet test?
  170. Onkyo AV Recerver
  171. Messing about with JFET input JLH
  172. Denon AVR-485 Repair
  173. Question in Bob Cordell's Audio Power amp. book.
  174. wierd squeaky problem with crown csl800
  175. Good sources for 75 ohm BNC cables?
  176. DOGC-H by Dr. Jagodic
  177. Arcam alfa 10 Help!
  178. Problem with Luxman R117 source switching
  179. Class B feedback resistors originally missing in a vintage integrated amplifier
  180. Adcom gfa5500
  181. Dynaco sca80-q question.
  182. NAD C372 problem
  183. Fairchild KSC1845 is substitutes for 2SC458 and 2SC945?
  184. Zener diode on Altec 1593B amp
  185. Can someone please explain this circuit?
  186. Cambridge A500 Problems
  187. Normalize all audio to same peak voltage?
  188. Cheap ICOM IC 756 PRO 3 and ELECRAFT K3/P3-KPA500
  189. Germanium power transistor 2n1522
  190. Help
  191. Lever switch
  192. super basic ab amplifier?
  193. RX-707V JVC
  194. Rotel RC 03 technical schematic?
  195. Bose 1800 spares?
  196. CSH4 MkII HEXFET amplifier
  197. Help with Rotel RB-850 amps
  198. Germanium Transistors
  199. Building a Power amp...
  200. Peavey 260C module rare version?
  201. Nikko TRM-750 recapping project
  202. Cleaning a crackling dual concentric volume control?
  203. little help, broke something trying to repair an amp.
  204. 2sa1306a/2sc3298a
  205. rega cursa schematics
  206. Mismatch schematic/PCB LME49830 reference design
  207. TIP31A a good sub for a 2sc931
  208. Upgrading Sony TA-N77ES Power Amp
  209. Power Amp Grounding Scheme
  210. So... What amp should i build?
  211. hifi Power Amplifier
  212. Mosfet in TO-3 package
  213. Please Help me - Receiver Kenwood KR 5150
  214. Cepiar RS-300
  215. Rotel 930AX tweak opinion
  216. Pa Amp repair - any help?
  217. Symasym - 2 output pairs?
  218. Luxmam M-12 bias and dc offset adjustment
  219. Sony TA-AX380 does not power up
  220. Yamaha CX-600 Preamplifier wont turn on
  221. QSC isa300ti schematic needed
  222. Helping a Friend:- Musical Fidelity A3.2 Integrated Dual Mono Schematics and SAP15
  223. HeadPhone Buffer with complementary feedback
  224. Can I improve the sound of my HT receiver with these mods?
  225. I need schematics for a mosfet amplifier
  226. Commercial available discrete OP-AMPs - Overview wanted
  227. behringer gx110
  228. replacing RC4136 opamp w/ 2 OPA2134 on DIP pinout adapter board
  229. help identify capacitor
  230. Is DC power amp danger to speaker?
  231. Sony XM-10020 brunt resistor help
  232. SS project... need help
  233. AKAI AM-U41 Light replacement for Power Indicator
  234. Why a lot of power amps use complementry differential input?
  235. Hafler DH-220 AMP. Is it a kit?
  236. Akai AA-1200 - where to buy parts? Mods?
  237. copyright of Apex board as commercial product?
  238. balanced circuit from Electronic Design
  239. Technics SU-V650 Problem
  240. Any way to improve the sound of my Acurus.
  241. LT1166
  242. diyAB Honey Badger driven by Sonos ZP80?
  243. Nmos 200 Preamp+poweramp
  244. Sounds from an unconnected NAD C 355BEE
  245. Why the 4-ohm 'limitation'
  246. Quad 303 PSU re-build
  247. Need help with Teac AG-H300 hot amp when idle
  248. TIP 31A vs TIP 31c
  249. Denon receiver dead - incorrect antenna may have caused this?
  250. Power12: A compact 6W/channel power amplifier

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