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  1. Denon AVR-485 Repair
  2. Question in Bob Cordell's Audio Power amp. book.
  3. wierd squeaky problem with crown csl800
  4. Good sources for 75 ohm BNC cables?
  5. DOGC-H by Dr. Jagodic
  6. Arcam alfa 10 Help!
  7. Problem with Luxman R117 source switching
  8. Class B feedback resistors originally missing in a vintage integrated amplifier
  9. Adcom gfa5500
  10. Dynaco sca80-q question.
  11. NAD C372 problem
  12. Fairchild KSC1845 is substitutes for 2SC458 and 2SC945?
  13. Zener diode on Altec 1593B amp
  14. Can someone please explain this circuit?
  15. Cambridge A500 Problems
  16. Normalize all audio to same peak voltage?
  17. Cheap ICOM IC 756 PRO 3 and ELECRAFT K3/P3-KPA500
  18. Germanium power transistor 2n1522
  19. Help
  20. Lever switch
  21. super basic ab amplifier?
  22. RX-707V JVC
  23. Rotel RC 03 technical schematic?
  24. Bose 1800 spares?
  25. CSH4 MkII HEXFET amplifier
  26. Help with Rotel RB-850 amps
  27. Germanium Transistors
  28. Building a Power amp...
  29. Nikko TRM-750 recapping project
  30. Cleaning a crackling dual concentric volume control?
  31. little help, broke something trying to repair an amp.
  32. 2sa1306a/2sc3298a
  33. rega cursa schematics
  34. Mismatch schematic/PCB LME49830 reference design
  35. TIP31A a good sub for a 2sc931
  36. Upgrading Sony TA-N77ES Power Amp
  37. Power Amp Grounding Scheme
  38. So... What amp should i build?
  39. hifi Power Amplifier
  40. Mosfet in TO-3 package
  41. Please Help me - Receiver Kenwood KR 5150
  42. Cepiar RS-300
  43. Rotel 930AX tweak opinion
  44. Pa Amp repair - any help?
  45. Symasym - 2 output pairs?
  46. Luxmam M-12 bias and dc offset adjustment
  47. Sony TA-AX380 does not power up
  48. Yamaha CX-600 Preamplifier wont turn on
  49. QSC isa300ti schematic needed
  50. Helping a Friend:- Musical Fidelity A3.2 Integrated Dual Mono Schematics and SAP15
  51. HeadPhone Buffer with complementary feedback
  52. Can I improve the sound of my HT receiver with these mods?
  53. I need schematics for a mosfet amplifier
  54. Commercial available discrete OP-AMPs - Overview wanted
  55. replacing RC4136 opamp w/ 2 OPA2134 on DIP pinout adapter board
  56. help identify capacitor
  57. Is DC power amp danger to speaker?
  58. Sony XM-10020 brunt resistor help
  59. SS project... need help
  60. AKAI AM-U41 Light replacement for Power Indicator
  61. Why a lot of power amps use complementry differential input?
  62. Hafler DH-220 AMP. Is it a kit?
  63. Akai AA-1200 - where to buy parts? Mods?
  64. copyright of Apex board as commercial product?
  65. balanced circuit from Electronic Design
  66. Technics SU-V650 Problem
  67. Any way to improve the sound of my Acurus.
  68. LT1166
  69. diyAB Honey Badger driven by Sonos ZP80?
  70. Nmos 200 Preamp+poweramp
  71. Sounds from an unconnected NAD C 355BEE
  72. Why the 4-ohm 'limitation'
  73. Quad 303 PSU re-build
  74. Need help with Teac AG-H300 hot amp when idle
  75. TIP 31A vs TIP 31c
  76. Denon receiver dead - incorrect antenna may have caused this?
  77. Power12: A compact 6W/channel power amplifier
  78. jlh class a amp
  79. Technics SU-5A Old lady has quiet channel
  80. Power amplifier humming
  81. PSL ve1200 schematic
  82. Distortion vs Global-Feedback (simulated)
  83. The Kinergetics Patent "reducing hysteresis distortion"
  84. cfp - variant --> current coupled
  85. Screened Coax Cable in the Feedback Loop - which Purpose and Benefit is there ??
  86. 2SC5242/2SA1962 fakes...
  87. Capacitors inside feedback loop
  88. Picked up a Pioneer Spec 2
  89. SOS! Crown XLS402. No power
  90. SS diy site
  91. Does anyone know the name of this circuit? (Driver transistor bootstrap)
  92. Extreme prominence of odd harmonics with increasing frequency
  93. Looking for the Über Buffer
  94. Nad C 325 BEE, Output Problems
  95. One driver transistor per output transistor possibilities?
  96. Magnum a 200 power amp
  97. My Modified P3A
  98. JVC A-X9 negative rail at the output - please help
  99. EZ-Dump: dump your current without really trying
  100. best VAS transistors with Higher VCE,Ft,beta low cob
  101. Lite mv 02 remote HELP
  102. An audio amplifier from what I have available
  103. Gain Issue
  104. Meitner MTR-101 repair?
  105. Sony amplifier module
  106. Vandersteen 2W Amplifier
  107. Musical Fidelity power amplifier trim pots
  108. 2sc5171 can drive how many 2sc5949 at 70V without any problem?
  109. Quad 303 hum caused by HDMI connection
  110. The magic amp
  111. NRG Control 400wpc Class A Monoblocks, What to do? Repair or upgrade?
  112. logic amp DBX1004
  113. Floated cascode with jFETs for high voltage?
  114. How much amperage?
  115. HCA-3500 questions
  116. Help fixing NAD C350
  117. Systemdek iix 900
  118. Help me debug a strange interference in my system.
  119. Pot Wiring to Amp
  120. LatFET OPS using HEC!
  121. Electrolytics - Axial vs Radial
  122. Vintage Marantz. Anyone changing their MKT caps?
  123. amplifier has slow speed ticking noise on audio.
  124. Marantz 1120 - Questions re caps and trannies.
  125. Is there a better transistor than a Motorola C4000/C5000
  126. Marantz SR3300
  127. Microphone Noise Cancellation Circuit Design
  128. Salvaging the Power Amp sections of 90s Prologic
  129. Evolution of the VSSA? Esperado's DVSSA...
  130. speaker protection at mains supply - ?
  131. PNP OCL amplifier
  132. ADCOM GFA 555 - Chance bias?
  133. Help with some unknow JFETs for a RIAA project...
  134. Vintage Technics su-v4k integrated amp audio cutting out
  135. How can improve sound quality with TruSound technic
  136. Need help for Luxman C-12 preamplifier
  137. Help with distorted audio from Yamaha cr-400
  138. Massive transistors in Gamut 250i Amps?
  139. Can someone tell me what is this???
  140. Damping factor of 100 at 10KHz?
  141. Help fixing Onkyo TX-SR508
  142. KRELL KSA-50S - Noise distorsion HF
  143. BGW 750C
  144. ESP Project 3A
  145. Can I use a small o/p cap for single ended HF amp
  146. Help me!! nmos 200 problem
  147. Opinions on Quad 303 PC's & components kits?
  148. Burmeister 933 Mk2 Clone
  149. Top Class-A amps Vs Top Class A-B amp for precision and neutrality?
  150. AX6123 sub?
  151. Distortion Hates Symmetry
  152. Loudspeaker protection circuit (form diyaudio) problem
  153. Krell KSA 100 PCB
  154. SymAsym mods ?
  155. The leach amp
  156. The 1K 1W spectra.
  157. Yamaha DSP-E800 External Decoder Subwoofer Gain
  158. Ultra-high performance, yet rather simple - hybrid and more!
  159. lme49810 boards?
  160. ESP P68 and low power
  161. Monarchy SM-70 6 months report ;-)
  162. Preamp Design Guidance
  163. Manual for Arcam Alpha Amp
  164. Need help for modifying an amplifier
  165. BX-1 monoblock class A amp
  166. Is a Preamp's Turn-off Pop Harmful to Opamp IC's?
  167. Hello from Madrid (vintage Marantz inside)
  168. Unusual buzzing situation
  169. Yamaha RX-V765 needs repair
  170. Denon PMA-680R Service Manual
  171. Fuse Question
  172. Etri Fan KSA 100
  173. Hafler mosfet solidstate help
  174. Has anyone used Semelab's MG6333K & MG9413K complementry bipolar devices ?
  175. idle current i(bias) is slowly dropping in one channel
  176. musical fidelity A-X 50/100/200: Any differences above 500 Hz?
  177. Opinions on "Hot rodded" elector HEXFET kits
  178. Crown bias problem
  179. Amplifier A+B with speakers and subwoofer?
  180. Just brought the arcam fmj a32 but get really load popping from the channel left is f
  181. A little amp advice
  182. tantalum and small capacitors
  183. Overload detection circuit for UPC1237
  184. Studio 350 Power Amp
  185. 70's nostalgia
  186. Rebuild my New Dynaco Stereo 120
  187. Need Schematic for PA Stereo amplifier
  188. 40W amplifier, first try
  189. Amcron MT1201 output measurements
  190. Maitner STR-50 power up issue
  191. Does an LME49811 needs a pre driver?
  192. Inter-M R300 plus Transformer
  193. buzz when connecting projector/laptop/amp
  194. JVC RX-508V
  195. Middlebrook "GFT" probe?
  196. A&R Cambridge A60 problem.
  197. A simple, inexpensive, HEXFET amp with EC
  198. How does this provide constant current ?
  199. Any kits for high quality simple preamp
  200. QED A-240 SCHEMATICS
  201. NEW Galliumnitrid and Siliziumkarbid FETS?
  202. ID this transformer
  203. 2.1 Amplifier
  204. transistor hfe help
  205. how to lower THD in small signal BJT amps?
  206. How to measure amplifier`s output impedance wrt Frequency?
  207. Help needen on a power buffer
  208. What Amp board is This?
  209. Output Transistors for the "Super Class A Amplifier" by Jean Hiraga
  210. Crown M 600 blowing the 1.2 amp fuse - not the 20 amp fuse
  211. LME49810 or 11 for mid-high power amplifier?
  212. Realistic SA1000, no info?
  213. Repair a PolkAudio psw111
  214. Amp burning or warmup using 100w 10ohm Load Resistor?
  215. Arcam alpha 9 integrated cd input fault
  216. Krell 1 or Krell 2 ?
  217. ALPS Potentiometer 100k ... Blue RK27112MC noise ??
  218. Sony STR-V333ES blowing power board fuse
  219. Mcintosh Mac 1700 Distortion 1 Channel.
  220. Modding BGW 620B to Class A
  221. Issue While Rehabbing an STA-2100, What To Do?
  222. What to do about my smoking Rotel receiver?!?!
  223. quad 405 power amp advice
  224. Marantz AV Surround Receiver SR-73 - turning off problem
  225. DOM amplifier from semarang city!!!!
  226. The Zodiac: 60 Watt Class H Amplifier with 0.0016% THD
  227. VSSA Circlotron
  228. Classe DR-10 Output Transistors
  229. An interesting op amp comparison a la TexInst:
  230. Ian Hegglun's ClassA^3 Cube-Law Amp
  231. Quad clone R39 burnt
  232. Need some help with 5 channel power stage
  233. Marantz PM 43 dead
  234. Current Source Design
  235. Kenwood KA-6100 BIAS to high
  236. Best Buffer to Sum L&R Without Adding to Crosstalk
  237. Marantz PM-80 class A idle adjusting bias
  238. NAD 2600 Cleaning
  239. Technics SU-V 470 NO SOUND?
  240. Onix OA21s (OA22?) Schematic
  241. No global feedback V TO I converter THD: < 0.001%
  242. Choosing the right transformer current rating
  243. CFA Amp with CMCL and HEC Output Stage
  244. Frustrating interconnect question:
  245. Audio amplifier for test and measurement?
  246. Citation 12 differential pair
  247. Transistors for Naim power amp clone
  248. Variance of RF transconductance of audio bipolar transistors from different manufactu
  249. Nakamichi TA2A - "vented" caps on PS board?
  250. Near Zero THD down to the threshold of hearing

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