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  1. cfp - variant --> current coupled
  2. Screened Coax Cable in the Feedback Loop - which Purpose and Benefit is there ??
  3. 2SC5242/2SA1962 fakes...
  4. Capacitors inside feedback loop
  5. Picked up a Pioneer Spec 2
  6. SOS! Crown XLS402. No power
  7. SS diy site
  8. Does anyone know the name of this circuit? (Driver transistor bootstrap)
  9. Extreme prominence of odd harmonics with increasing frequency
  10. Looking for the Über Buffer
  11. Nad C 325 BEE, Output Problems
  12. One driver transistor per output transistor possibilities?
  13. Magnum a 200 power amp
  14. My Modified P3A
  15. JVC A-X9 negative rail at the output - please help
  16. EZ-Dump: dump your current without really trying
  17. best VAS transistors with Higher VCE,Ft,beta low cob
  18. Lite mv 02 remote HELP
  19. An audio amplifier from what I have available
  20. Gain Issue
  21. Meitner MTR-101 repair?
  22. Sony amplifier module
  23. Vandersteen 2W Amplifier
  24. Musical Fidelity power amplifier trim pots
  25. 2sc5171 can drive how many 2sc5949 at 70V without any problem?
  26. Quad 303 hum caused by HDMI connection
  27. The magic amp
  28. NRG Control 400wpc Class A Monoblocks, What to do? Repair or upgrade?
  29. logic amp DBX1004
  30. Floated cascode with jFETs for high voltage?
  31. How much amperage?
  32. HCA-3500 questions
  33. Help fixing NAD C350
  34. Systemdek iix 900
  35. Help me debug a strange interference in my system.
  36. Pot Wiring to Amp
  37. LatFET OPS using HEC!
  38. Electrolytics - Axial vs Radial
  39. Vintage Marantz. Anyone changing their MKT caps?
  40. amplifier has slow speed ticking noise on audio.
  41. Marantz 1120 - Questions re caps and trannies.
  42. Is there a better transistor than a Motorola C4000/C5000
  43. Marantz SR3300
  44. Microphone Noise Cancellation Circuit Design
  45. Salvaging the Power Amp sections of 90s Prologic
  46. Evolution of the VSSA? Esperado's DVSSA...
  47. speaker protection at mains supply - ?
  48. PNP OCL amplifier
  49. ADCOM GFA 555 - Chance bias?
  50. Help with some unknow JFETs for a RIAA project...
  51. Vintage Technics su-v4k integrated amp audio cutting out
  52. How can improve sound quality with TruSound technic
  53. Need help for Luxman C-12 preamplifier
  54. Help with distorted audio from Yamaha cr-400
  55. Massive transistors in Gamut 250i Amps?
  56. Can someone tell me what is this???
  57. Damping factor of 100 at 10KHz?
  58. Help fixing Onkyo TX-SR508
  59. KRELL KSA-50S - Noise distorsion HF
  60. BGW 750C
  61. ESP Project 3A
  62. Can I use a small o/p cap for single ended HF amp
  63. Help me!! nmos 200 problem
  64. Opinions on Quad 303 PC's & components kits?
  65. Burmeister 933 Mk2 Clone
  66. Top Class-A amps Vs Top Class A-B amp for precision and neutrality?
  67. AX6123 sub?
  68. Distortion Hates Symmetry
  69. Loudspeaker protection circuit (form diyaudio) problem
  70. Krell KSA 100 PCB
  71. SymAsym mods ?
  72. The leach amp
  73. The 1K 1W spectra.
  74. Yamaha DSP-E800 External Decoder Subwoofer Gain
  75. Ultra-high performance, yet rather simple - hybrid and more!
  76. lme49810 boards?
  77. ESP P68 and low power
  78. Monarchy SM-70 6 months report ;-)
  79. Preamp Design Guidance
  80. Manual for Arcam Alpha Amp
  81. Need help for modifying an amplifier
  82. BX-1 monoblock class A amp
  83. Is a Preamp's Turn-off Pop Harmful to Opamp IC's?
  84. Hello from Madrid (vintage Marantz inside)
  85. Unusual buzzing situation
  86. Yamaha RX-V765 needs repair
  87. Denon PMA-680R Service Manual
  88. Fuse Question
  89. Etri Fan KSA 100
  90. Hafler mosfet solidstate help
  91. Has anyone used Semelab's MG6333K & MG9413K complementry bipolar devices ?
  92. idle current i(bias) is slowly dropping in one channel
  93. musical fidelity A-X 50/100/200: Any differences above 500 Hz?
  94. Opinions on "Hot rodded" elector HEXFET kits
  95. Crown bias problem
  96. Amplifier A+B with speakers and subwoofer?
  97. Just brought the arcam fmj a32 but get really load popping from the channel left is f
  98. A little amp advice
  99. tantalum and small capacitors
  100. Overload detection circuit for UPC1237
  101. Studio 350 Power Amp
  102. 70's nostalgia
  103. Rebuild my New Dynaco Stereo 120
  104. Need Schematic for PA Stereo amplifier
  105. 40W amplifier, first try
  106. Amcron MT1201 output measurements
  107. Maitner STR-50 power up issue
  108. Does an LME49811 needs a pre driver?
  109. Inter-M R300 plus Transformer
  110. buzz when connecting projector/laptop/amp
  111. JVC RX-508V
  112. Middlebrook "GFT" probe?
  113. A&R Cambridge A60 problem.
  114. A simple, inexpensive, HEXFET amp with EC
  115. How does this provide constant current ?
  116. Any kits for high quality simple preamp
  117. QED A-240 SCHEMATICS
  118. NEW Galliumnitrid and Siliziumkarbid FETS?
  119. ID this transformer
  120. 2.1 Amplifier
  121. transistor hfe help
  122. how to lower THD in small signal BJT amps?
  123. How to measure amplifier`s output impedance wrt Frequency?
  124. Help needen on a power buffer
  125. What Amp board is This?
  126. Output Transistors for the "Super Class A Amplifier" by Jean Hiraga
  127. Crown M 600 blowing the 1.2 amp fuse - not the 20 amp fuse
  128. LME49810 or 11 for mid-high power amplifier?
  129. Realistic SA1000, no info?
  130. Repair a PolkAudio psw111
  131. Amp burning or warmup using 100w 10ohm Load Resistor?
  132. Arcam alpha 9 integrated cd input fault
  133. Krell 1 or Krell 2 ?
  134. ALPS Potentiometer 100k ... Blue RK27112MC noise ??
  135. Sony STR-V333ES blowing power board fuse
  136. Mcintosh Mac 1700 Distortion 1 Channel.
  137. Modding BGW 620B to Class A
  138. Issue While Rehabbing an STA-2100, What To Do?
  139. What to do about my smoking Rotel receiver?!?!
  140. quad 405 power amp advice
  141. Marantz AV Surround Receiver SR-73 - turning off problem
  142. DOM amplifier from semarang city!!!!
  143. The Zodiac: 60 Watt Class H Amplifier with 0.0016% THD
  144. VSSA Circlotron
  145. Classe DR-10 Output Transistors
  146. An interesting op amp comparison a la TexInst:
  147. Ian Hegglun's ClassA^3 Cube-Law Amp
  148. Quad clone R39 burnt
  149. Need some help with 5 channel power stage
  150. Marantz PM 43 dead
  151. Current Source Design
  152. Kenwood KA-6100 BIAS to high
  153. Best Buffer to Sum L&R Without Adding to Crosstalk
  154. Marantz PM-80 class A idle adjusting bias
  155. NAD 2600 Cleaning
  156. Technics SU-V 470 NO SOUND?
  157. Onix OA21s (OA22?) Schematic
  158. No global feedback V TO I converter THD: < 0.001%
  159. Choosing the right transformer current rating
  160. CFA Amp with CMCL and HEC Output Stage
  161. Frustrating interconnect question:
  162. Audio amplifier for test and measurement?
  163. Citation 12 differential pair
  164. Transistors for Naim power amp clone
  165. Variance of RF transconductance of audio bipolar transistors from different manufactu
  166. Nakamichi TA2A - "vented" caps on PS board?
  167. Near Zero THD down to the threshold of hearing
  168. WCF AMP IDEA
  169. How to increase gain of Quad 34 preamp.
  170. Marantz PM80 dead within 10 minutes
  171. Can't find the problem!! :(
  172. Low cost stereo Mini-Mosfet
  173. Citation 16a Capacitor question
  174. PEEL 18CV8P Burner
  175. DxS - The Excess amplifier, an SS (Super Special) model from the Dx Corporation
  176. DENON PMA-1560 IDLE ADJUSTING BIAS
  177. Mark Levinson 380S EPROM code
  178. Direct Servo Subwoofer Amp... What is different?
  179. C-Audio RA2001 Repair
  180. Morgan Deva
  181. Yamaha RX v471 Amplifier
  182. Tuning a Jands amplifier sans specs
  183. LD1014d
  184. anybody have salvage PV500 AMP
  185. Quirk when measuring damping factor
  186. Suggest a amp for driving 16 ohm load from 12-24 volt dc supply
  187. DC coupled = worst dynamics - is it true?
  188. crown csl-800(pb2) noise from board
  189. Latest project update to Maplin 50WRMS amplifier.
  190. QSC 1700 ( not series one )
  191. Hybrid Tube-BJT Lin Topology - Tweak Plans
  192. Basic question about wiring in a second input (Leslie)
  193. Low Cost Amplifier Chassis Ideas
  194. Future kit
  195. Nikko Amp Buy Help
  196. nad hafler sonic impact 5066
  197. Leaking caps?
  198. swapping opamps in poweramps
  199. Transistor selection
  200. Next steps to learn small signal amplifier design
  201. Replace caps on Class D amp to improve sound?
  202. Help with Yamaha AX-1050 Transrotor Source Selector cleaning!
  203. Sherwood HP-1000 restomod
  204. Alps Rotary Switch Dropout Issues for Input Select (e.g. Onkyo, Yamaha, Creek)
  205. Replacement for BEL PT4 & PT6 Needed
  206. What kind of upgrades - Arcam Alpha 5 Integrated Amplifier
  207. NAD3020i recap
  208. 200W jfet mosfet amp, no gnfb but output error correction - from my archives
  209. EV AP2600 amp buzz noise
  210. Do the transistors in the VAS stage need to be matched PNP/NPN pair?
  211. Sherwood s-2660 CP
  212. Aragon 24K Volume control noise and dc
  213. Luxman A-384 replacing volume pot
  214. Bennic xpp for input capacitor for amps?
  215. crown DL2 power supply cable question
  216. Sumo Nine Plus output transistor replacement - Sanken 2SC1831
  217. SAE Mark XXXIB blowing fuse: help!
  218. Help for an Audionet Amp 1
  219. Sony STR-K780 sounds dull
  220. Suggestions of articles about designing a Class A JFET pre-amplifier
  221. Weird SKA behaviour
  222. PG 800.5 Issue
  223. How do I test an amp for Damping Factor?
  224. To Screen or not to screen Vbe multiplier leads in HK1400
  225. discharge 10000uf caps
  226. Smooth out turn-on voltage spike - how?
  227. Why are most opamp circuits run off +/-15V and not +/-12V
  228. Incatech Claymore transformer needed
  229. Unstable buffer
  230. PrAT amp for horns. only Naim?
  231. Son of Ampzilla DC on Output
  232. Need help with a home theatre subwoofer
  233. Capacitor in feedback path?
  234. Hafler P1500 power switch replacement help needed
  235. Advice on NAD 3020A broken connector plz :)
  236. N channel baby needs improving
  237. Non-minimum Phase
  238. Grounding issues with P101, RK27 and The Wire
  239. Pioneer sx r9 problem
  240. GainWire-NGNFB-classB-PowerAmp
  241. Amplifier for MJ15003 and MJ15004
  242. Pioneer A51 Dual Transformer Problem
  243. Building my own Amplifier.
  244. pre out
  245. class AB 10.000W RMS @0.5R - 20.000W rms bridged
  246. LTP input stage questions
  247. simulation /compensation
  248. BF862 spice model problem?
  249. what to consider when you have 500ft of speaker cable how to deal cable capacitance?
  250. Kam kxr 2000 v2

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