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  1. The class i amp...
  2. old Yamaha P4500 secondary voltage ??
  3. Kenwood amp driving 6 speakers: Safe?
  4. Class X: Jikoda circuit.
  5. Do you build your amplifiers to sustain continuous clipping?
  6. Finally I can start the lost dream of my first project.
  7. Gain Equalization System
  8. Amplifier Bridging
  9. Regarding the Velleman K4700U speaker protection kit
  10. Energy through transformer
  11. eti 466 HUM
  12. Byrston 4B repair
  13. Bias adjustment Harman Kardon HK990
  14. Larger Caps mod - worth it? Sane?
  15. 0.0004% THD 1kHz from NGFB amp close from clipping
  16. Pioneer A-109
  17. B&K St-260 power on and power down issues
  18. Cutoff frequency for RF rejection?
  19. Kenwood KA-3020 Volume control
  20. Class A SE J-Fet Stereo buffer
  21. sony ta-f770es amp
  22. BEOCENTER 3500
  23. New to me Mitsubishi Stack
  24. Please help! repair/refurb/recap a NAD 3020A
  25. Help- DC protection and power regulation
  26. Behringer K1800FX
  27. Comparing FFT of Two Amplifiers
  28. Are these 2SC897 devices fake?
  29. Forte Model Six help
  30. Rotel RC03 peramp upgrade !!
  31. Creek 4140 diagram
  32. Ditton DDP-5.1 Digital processor & DCA-5 5 Channel Cinema Amplifer
  33. Another remote control volume thread?
  34. My receiver is humming when DSP is active
  35. JFET SRPP circuit frequency oddity
  36. BJT constant biasing with varying Vcc
  37. Latest project 1600 watt class AB mosfet amplifier.
  38. Sherwood S-7300 Wolverine conversion
  39. BK Electronics modules
  40. remote in/out
  41. Designing with MOSFETs
  42. 100V line transformer as output transformer?
  43. Cant adjust bias on rebuild? Please help?
  44. Amp designed during lunch breaks
  45. My TH-600 300w fully balanced power amp
  46. output input ratio
  47. Dynacord Eminent II T
  48. Capacitor suggestions for a couple refurb projects
  49. I NEED HELP! Easiest amp to make?
  50. KRELL KRS-100 (bias, offset details)
  51. Post pictures of your DIY amplifier chassis
  52. Threshold S300 hum
  53. How important are large filter caps for an amplifier?
  54. Duson B100 schematics(s)
  55. Baxandall 2 Band Active Filter with BJT
  56. Help with PGA2311 preamp transformer
  57. BAT VK-500 Need help!!!
  58. China headphone amp kit?
  59. CCVS (current controlled voltage source) in practice
  60. Death of Zen current adjustment
  61. What should I build?
  62. Yamaha A500 repair
  63. Onkyo A7 question
  64. Lundahl Hybrid Amplifier
  65. Question on self bias of small JFET
  66. Quad 405 II
  67. Nakamichi 620 - how does it work?
  68. Need a working amplifier circuit please help
  69. Need a working amplifier circuit please help
  70. Output stage efficiency
  71. INA217 Mic Preamp and its Capacitors
  72. Adcom GTP-500 Repair
  73. Spartacus S-1000 Build Log
  74. NMOS200 by Quasi
  75. Philips LBB 1240/00
  76. Sansui AU 4900 problem
  77. Help in design: adding a Baxandall diode across emitter in Quasi Complimentary Stage
  78. Alesis RA-100 - Toroidal Transformer
  79. volume control on HK avr10 question
  80. AB international 9620b channel gone
  81. quad 405 clone boards. fried.
  82. Rotel RA-712 recap gone west
  83. Wharfedale Linton amp, shut down problems.
  84. need a little help with sub
  85. Yamaha EMX212S Powered Mixer Repair
  86. Using bracket for heatsink, is it OK ?
  87. SS Power Amp - Low cost and good quality
  88. How much smaller can heatsink be if fan used ?
  89. Bogey SPX6000
  90. Potentiometer substitute question.
  91. Amplifier For Beyma 21Pw1400Fe
  92. The Use of Thermistor NTC
  93. Creek Destiny schematic anyone?
  94. Can any of you amazing folks determine what this used to be?
  95. Any experience with BASH amp (class H) - repair advice
  96. Hafler 9270 - Dead UI Type Transformer
  97. How much THD is too much
  98. Yamaha AX-500 direct CD switch wanted
  99. New Output Stage?
  100. Attaching Aluminum bar to heatsink - thermal paste or pads?
  101. Nakamichi ca-7 hum problem
  102. Behringer NU1000 Pinout..
  103. Is there a reason to use RCA over BNC connectors to transport analog audio?
  104. How does one trace a signal path through an amp schematic??
  105. Pre-outs of receiver to subwoofer?
  106. Altec 1593B bias issue
  107. Denon PMA-655R input selector problem
  108. Why does connection of my can amp cause a sat-on sound in my main system ?
  109. Harmon kardon avr35 repair
  110. DIY power amplifier
  111. Yamaha RX-A2030 Extreme Makeover
  112. Frontman 212r, my bad.
  113. KG Balanced Dynahi DIY - Square wave ripple issue
  114. Teac A-H500 faulty input selector
  115. Diy DI box and inverse, ground lift help
  116. good book?
  117. Problems with Boston gt-24 car amp
  118. SKA GB150D bridge?
  119. Pioneer SA-6300
  120. Vintage Receivers for BiAmping F.A.S.T setup
  121. Rules about running cables?
  122. JLH 10W 1996 Update Questions
  123. Real World Opamp Distortion
  124. Difference between hafler p225 and p230
  125. ? On Denon pma 777 interfaced amp
  126. Circlotron on field-effect transistors with a stabilization system modes.
  127. Old Crown Micro Tech 1200?
  128. Pioneer A-300R service manual
  129. Average vs rms current in EF output stage
  130. Guitar Amplifier
  131. Determining current flow
  132. Most efficient amp
  133. Nakamichi 730 issues-help!?!?!
  134. How to build a 21-st century protection board
  135. Pioneer A400 Phono stage caps?
  136. Considering a NAIM clone off ebay
  137. Help Needed for MASU P-14 China Clone Amp
  138. Hitachi Sr-903 tuning issue
  139. how to increase the amp power (watts) for 4 ohm?
  140. DC speaker protection
  141. Cool simple "clean" CFA
  142. Newby in designing OPS.
  143. Very Simple Hybrid Ampifier
  144. Worth buying a cheap used power amp for new build?
  145. Troubleshooting subwoofer amplifier with no output
  146. Power transistor suggestions
  147. Tivoli radio audio fading
  148. fault finding BJT replacement in Sony STR-DA5300ES power amp
  149. resistor recomd
  150. found this jlh clone kit today
  151. Class A 8W
  152. Voltage amplifier stage burning constantly - 10W class AB
  153. AB Mosfet strange behavior
  154. Bryston 1b fix questions
  155. Ab / A class amplifier board... ebay or whatever?
  156. EFP /CFP war
  157. Aura PA200 hum problem
  158. In-circuit mosfet test?
  159. Onkyo AV Recerver
  160. Messing about with JFET input JLH
  161. Denon AVR-485 Repair
  162. Question in Bob Cordell's Audio Power amp. book.
  163. wierd squeaky problem with crown csl800
  164. Good sources for 75 ohm BNC cables?
  165. DOGC-H by Dr. Jagodic
  166. Arcam alfa 10 Help!
  167. Problem with Luxman R117 source switching
  168. Class B feedback resistors originally missing in a vintage integrated amplifier
  169. Adcom gfa5500
  170. Dynaco sca80-q question.
  171. NAD C372 problem
  172. Fairchild KSC1845 is substitutes for 2SC458 and 2SC945?
  173. Zener diode on Altec 1593B amp
  174. Can someone please explain this circuit?
  175. Cambridge A500 Problems
  176. Normalize all audio to same peak voltage?
  177. Cheap ICOM IC 756 PRO 3 and ELECRAFT K3/P3-KPA500
  178. Germanium power transistor 2n1522
  179. Help
  180. Lever switch
  181. super basic ab amplifier?
  182. RX-707V JVC
  183. Rotel RC 03 technical schematic?
  184. Bose 1800 spares?
  185. CSH4 MkII HEXFET amplifier
  186. Help with Rotel RB-850 amps
  187. Germanium Transistors
  188. Building a Power amp...
  189. Peavey 260C module rare version?
  190. Nikko TRM-750 recapping project
  191. Cleaning a crackling dual concentric volume control?
  192. little help, broke something trying to repair an amp.
  193. 2sa1306a/2sc3298a
  194. rega cursa schematics
  195. Mismatch schematic/PCB LME49830 reference design
  196. TIP31A a good sub for a 2sc931
  197. Upgrading Sony TA-N77ES Power Amp
  198. Power Amp Grounding Scheme
  199. So... What amp should i build?
  200. hifi Power Amplifier
  201. Mosfet in TO-3 package
  202. Please Help me - Receiver Kenwood KR 5150
  203. Cepiar RS-300
  204. Rotel 930AX tweak opinion
  205. Pa Amp repair - any help?
  206. Symasym - 2 output pairs?
  207. Luxmam M-12 bias and dc offset adjustment
  208. Sony TA-AX380 does not power up
  209. Yamaha CX-600 Preamplifier wont turn on
  210. QSC isa300ti schematic needed
  211. Helping a Friend:- Musical Fidelity A3.2 Integrated Dual Mono Schematics and SAP15
  212. HeadPhone Buffer with complementary feedback
  213. Can I improve the sound of my HT receiver with these mods?
  214. I need schematics for a mosfet amplifier
  215. Commercial available discrete OP-AMPs - Overview wanted
  216. behringer gx110
  217. replacing RC4136 opamp w/ 2 OPA2134 on DIP pinout adapter board
  218. help identify capacitor
  219. Is DC power amp danger to speaker?
  220. Sony XM-10020 brunt resistor help
  221. SS project... need help
  222. AKAI AM-U41 Light replacement for Power Indicator
  223. Why a lot of power amps use complementry differential input?
  224. Hafler DH-220 AMP. Is it a kit?
  225. Akai AA-1200 - where to buy parts? Mods?
  226. copyright of Apex board as commercial product?
  227. balanced circuit from Electronic Design
  228. Technics SU-V650 Problem
  229. Any way to improve the sound of my Acurus.
  230. LT1166
  231. diyAB Honey Badger driven by Sonos ZP80?
  232. Nmos 200 Preamp+poweramp
  233. Sounds from an unconnected NAD C 355BEE
  234. Why the 4-ohm 'limitation'
  235. Quad 303 PSU re-build
  236. Need help with Teac AG-H300 hot amp when idle
  237. TIP 31A vs TIP 31c
  238. Denon receiver dead - incorrect antenna may have caused this?
  239. Power12: A compact 6W/channel power amplifier
  240. jlh class a amp
  241. Technics SU-5A Old lady has quiet channel
  242. Power amplifier humming
  243. PSL ve1200 schematic
  244. Distortion vs Global-Feedback (simulated)
  245. The Kinergetics Patent "reducing hysteresis distortion"
  246. cfp - variant --> current coupled
  247. Screened Coax Cable in the Feedback Loop - which Purpose and Benefit is there ??
  248. 2SC5242/2SA1962 fakes...
  249. Vox Bass Pre-Amplifier 1201 from Venue Combo
  250. Capacitors inside feedback loop

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