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  1. Scott LK-60 kit channel distortion
  2. Driver transistors choice
  3. Germanium PNP transistor based amplifier (OC36)
  4. Line selector / summing circuit
  5. Have a question about power?
  6. Ampzilla bias set
  7. J-FET low noise audio transistor not obsolete?
  8. mosfet driver
  9. IXTH16N10D2 for amplifier use ?
  10. Yamaha RX-570 Receiver Power Supply Caps Size?
  11. Homemade portable speaker with a vintage amplifier
  12. Anotehr lesson learned in the fight against oscillating amplifiers.
  13. Elna Silmic II in vintage Scott amp?
  14. Ha anyone running this amp??
  15. Harmon Kardon HK3480
  16. Behaivior under voltage ??
  17. Loud BUZZ from one channel on Mondial Designs home theater
  18. marantz pm7000 reley click
  19. Audio Frequency Amplifier
  20. Nad 701 Overheating
  21. which amp would be better...
  22. Need help fault finding a Sony TAFB930
  23. Power amplifier input stage psu filtering
  24. Output stage efficiency with varying rails voltage
  25. Capacitors
  26. I just designed my first amplifier!
  27. BGW 750C smoked
  28. Metaxas Ikarus; problem with volume control
  29. Singing amplifier
  30. Modifying Moon 250i Amplifier
  31. Akai AM2250
  32. How to modify this circuit
  33. 2sc5200\2sa1943 Genuine or fake
  34. MOSFET gate resistors.
  35. Testing an amp with dummy load, can hear music coming from inside the amp.
  36. The class i amp...
  37. old Yamaha P4500 secondary voltage ??
  38. Kenwood amp driving 6 speakers: Safe?
  39. Class X: Jikoda circuit.
  40. Do you build your amplifiers to sustain continuous clipping?
  41. Finally I can start the lost dream of my first project.
  42. Gain Equalization System
  43. Amplifier Bridging
  44. Regarding the Velleman K4700U speaker protection kit
  45. Energy through transformer
  46. eti 466 HUM
  47. Byrston 4B repair
  48. Bias adjustment Harman Kardon HK990
  49. Larger Caps mod - worth it? Sane?
  50. 0.0004% THD 1kHz from NGFB amp close from clipping
  51. Pioneer A-109
  52. B&K St-260 power on and power down issues
  53. Cutoff frequency for RF rejection?
  54. Kenwood KA-3020 Volume control
  55. Class A SE J-Fet Stereo buffer
  56. sony ta-f770es amp
  57. BEOCENTER 3500
  58. New to me Mitsubishi Stack
  59. Please help! repair/refurb/recap a NAD 3020A
  60. Help- DC protection and power regulation
  61. Comparing FFT of Two Amplifiers
  62. Are these 2SC897 devices fake?
  63. Forte Model Six help
  64. Rotel RC03 peramp upgrade !!
  65. Creek 4140 diagram
  66. Ditton DDP-5.1 Digital processor & DCA-5 5 Channel Cinema Amplifer
  67. Another remote control volume thread?
  68. My receiver is humming when DSP is active
  69. JFET SRPP circuit frequency oddity
  70. BJT constant biasing with varying Vcc
  71. Latest project 1600 watt class AB mosfet amplifier.
  72. Sherwood S-7300 Wolverine conversion
  73. BK Electronics modules
  74. remote in/out
  75. Designing with MOSFETs
  76. 100V line transformer as output transformer?
  77. Cant adjust bias on rebuild? Please help?
  78. Amp designed during lunch breaks
  79. My TH-600 300w fully balanced power amp
  80. output input ratio
  81. Dynacord Eminent II T
  82. Capacitor suggestions for a couple refurb projects
  83. I NEED HELP! Easiest amp to make?
  84. KRELL KRS-100 (bias, offset details)
  85. Post pictures of your DIY amplifier chassis
  86. Threshold S300 hum
  87. How important are large filter caps for an amplifier?
  88. Duson B100 schematics(s)
  89. Baxandall 2 Band Active Filter with BJT
  90. Help with PGA2311 preamp transformer
  91. BAT VK-500 Need help!!!
  92. China headphone amp kit?
  93. CCVS (current controlled voltage source) in practice
  94. Death of Zen current adjustment
  95. What should I build?
  96. Yamaha A500 repair
  97. Onkyo A7 question
  98. Lundahl Hybrid Amplifier
  99. Question on self bias of small JFET
  100. Quad 405 II
  101. Nakamichi 620 - how does it work?
  102. Need a working amplifier circuit please help
  103. Need a working amplifier circuit please help
  104. Output stage efficiency
  105. INA217 Mic Preamp and its Capacitors
  106. Adcom GTP-500 Repair
  107. Spartacus S-1000 Build Log
  108. NMOS200 by Quasi
  109. Philips LBB 1240/00
  110. Sansui AU 4900 problem
  111. Help in design: adding a Baxandall diode across emitter in Quasi Complimentary Stage
  112. Alesis RA-100 - Toroidal Transformer
  113. volume control on HK avr10 question
  114. AB international 9620b channel gone
  115. quad 405 clone boards. fried.
  116. Rotel RA-712 recap gone west
  117. Wharfedale Linton amp, shut down problems.
  118. need a little help with sub
  119. Yamaha EMX212S Powered Mixer Repair
  120. Using bracket for heatsink, is it OK ?
  121. SS Power Amp - Low cost and good quality
  122. How much smaller can heatsink be if fan used ?
  123. Bogey SPX6000
  124. Potentiometer substitute question.
  125. Amplifier For Beyma 21Pw1400Fe
  126. The Use of Thermistor NTC
  127. Creek Destiny schematic anyone?
  128. Can any of you amazing folks determine what this used to be?
  129. Any experience with BASH amp (class H) - repair advice
  130. Hafler 9270 - Dead UI Type Transformer
  131. How much THD is too much
  132. Yamaha AX-500 direct CD switch wanted
  133. New Output Stage?
  134. Attaching Aluminum bar to heatsink - thermal paste or pads?
  135. Nakamichi ca-7 hum problem
  136. Is there a reason to use RCA over BNC connectors to transport analog audio?
  137. How does one trace a signal path through an amp schematic??
  138. Pre-outs of receiver to subwoofer?
  139. Altec 1593B bias issue
  140. Denon PMA-655R input selector problem
  141. Why does connection of my can amp cause a sat-on sound in my main system ?
  142. Harmon kardon avr35 repair
  143. DIY power amplifier
  144. Yamaha RX-A2030 Extreme Makeover
  145. Frontman 212r, my bad.
  146. KG Balanced Dynahi DIY - Square wave ripple issue
  147. Teac A-H500 faulty input selector
  148. Diy DI box and inverse, ground lift help
  149. good book?
  150. Problems with Boston gt-24 car amp
  151. SKA GB150D bridge?
  152. Pioneer SA-6300
  153. Vintage Receivers for BiAmping F.A.S.T setup
  154. Rules about running cables?
  155. JLH 10W 1996 Update Questions
  156. Real World Opamp Distortion
  157. Difference between hafler p225 and p230
  158. ? On Denon pma 777 interfaced amp
  159. Circlotron on field-effect transistors with a stabilization system modes.
  160. Old Crown Micro Tech 1200?
  161. Pioneer A-300R service manual
  162. Average vs rms current in EF output stage
  163. Determining current flow
  164. Most efficient amp
  165. Nakamichi 730 issues-help!?!?!
  166. How to build a 21-st century protection board
  167. Pioneer A400 Phono stage caps?
  168. Considering a NAIM clone off ebay
  169. Help Needed for MASU P-14 China Clone Amp
  170. Hitachi Sr-903 tuning issue
  171. how to increase the amp power (watts) for 4 ohm?
  172. DC speaker protection
  173. Cool simple "clean" CFA
  174. Newby in designing OPS.
  175. Very Simple Hybrid Ampifier
  176. Worth buying a cheap used power amp for new build?
  177. Troubleshooting subwoofer amplifier with no output
  178. Power transistor suggestions
  179. Tivoli radio audio fading
  180. fault finding BJT replacement in Sony STR-DA5300ES power amp
  181. resistor recomd
  182. found this jlh clone kit today
  183. Class A 8W
  184. Voltage amplifier stage burning constantly - 10W class AB
  185. AB Mosfet strange behavior
  186. Bryston 1b fix questions
  187. Ab / A class amplifier board... ebay or whatever?
  188. EFP /CFP war
  189. Aura PA200 hum problem
  190. In-circuit mosfet test?
  191. Onkyo AV Recerver
  192. Messing about with JFET input JLH
  193. Denon AVR-485 Repair
  194. Question in Bob Cordell's Audio Power amp. book.
  195. wierd squeaky problem with crown csl800
  196. Good sources for 75 ohm BNC cables?
  197. DOGC-H by Dr. Jagodic
  198. Arcam alfa 10 Help!
  199. Problem with Luxman R117 source switching
  200. Class B feedback resistors originally missing in a vintage integrated amplifier
  201. Adcom gfa5500
  202. Dynaco sca80-q question.
  203. NAD C372 problem
  204. Fairchild KSC1845 is substitutes for 2SC458 and 2SC945?
  205. Zener diode on Altec 1593B amp
  206. Can someone please explain this circuit?
  207. Cambridge A500 Problems
  208. Normalize all audio to same peak voltage?
  209. Cheap ICOM IC 756 PRO 3 and ELECRAFT K3/P3-KPA500
  210. Germanium power transistor 2n1522
  211. Help
  212. Lever switch
  213. super basic ab amplifier?
  214. RX-707V JVC
  215. Rotel RC 03 technical schematic?
  216. Bose 1800 spares?
  217. CSH4 MkII HEXFET amplifier
  218. Help with Rotel RB-850 amps
  219. Germanium Transistors
  220. Building a Power amp...
  221. Nikko TRM-750 recapping project
  222. Cleaning a crackling dual concentric volume control?
  223. little help, broke something trying to repair an amp.
  224. 2sa1306a/2sc3298a
  225. rega cursa schematics
  226. Mismatch schematic/PCB LME49830 reference design
  227. TIP31A a good sub for a 2sc931
  228. Upgrading Sony TA-N77ES Power Amp
  229. Power Amp Grounding Scheme
  230. So... What amp should i build?
  231. hifi Power Amplifier
  232. Mosfet in TO-3 package
  233. Please Help me - Receiver Kenwood KR 5150
  234. Cepiar RS-300
  235. Rotel 930AX tweak opinion
  236. Pa Amp repair - any help?
  237. Symasym - 2 output pairs?
  238. Luxmam M-12 bias and dc offset adjustment
  239. Sony TA-AX380 does not power up
  240. Yamaha CX-600 Preamplifier wont turn on
  241. QSC isa300ti schematic needed
  242. Helping a Friend:- Musical Fidelity A3.2 Integrated Dual Mono Schematics and SAP15
  243. HeadPhone Buffer with complementary feedback
  244. Can I improve the sound of my HT receiver with these mods?
  245. I need schematics for a mosfet amplifier
  246. Commercial available discrete OP-AMPs - Overview wanted
  247. replacing RC4136 opamp w/ 2 OPA2134 on DIP pinout adapter board
  248. help identify capacitor
  249. Is DC power amp danger to speaker?
  250. Sony XM-10020 brunt resistor help

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