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  1. Technics SU-V650 Problem
  2. Any way to improve the sound of my Acurus.
  3. LT1166
  4. diyAB Honey Badger driven by Sonos ZP80?
  5. Nmos 200 Preamp+poweramp
  6. Sounds from an unconnected NAD C 355BEE
  7. Why the 4-ohm 'limitation'
  8. Quad 303 PSU re-build
  9. Need help with Teac AG-H300 hot amp when idle
  10. TIP 31A vs TIP 31c
  11. Denon receiver dead - incorrect antenna may have caused this?
  12. Power12: A compact 6W/channel power amplifier
  13. jlh class a amp
  14. Technics SU-5A Old lady has quiet channel
  15. Power amplifier humming
  16. PSL ve1200 schematic
  17. Distortion vs Global-Feedback (simulated)
  18. The Kinergetics Patent "reducing hysteresis distortion"
  19. cfp - variant --> current coupled
  20. Screened Coax Cable in the Feedback Loop - which Purpose and Benefit is there ??
  21. 2SC5242/2SA1962 fakes...
  22. Capacitors inside feedback loop
  23. Picked up a Pioneer Spec 2
  24. SOS! Crown XLS402. No power
  25. SS diy site
  26. Does anyone know the name of this circuit? (Driver transistor bootstrap)
  27. Extreme prominence of odd harmonics with increasing frequency
  28. Looking for the Über Buffer
  29. Nad C 325 BEE, Output Problems
  30. One driver transistor per output transistor possibilities?
  31. Magnum a 200 power amp
  32. My Modified P3A
  33. JVC A-X9 negative rail at the output - please help
  34. EZ-Dump: dump your current without really trying
  35. best VAS transistors with Higher VCE,Ft,beta low cob
  36. Lite mv 02 remote HELP
  37. An audio amplifier from what I have available
  38. Gain Issue
  39. Meitner MTR-101 repair?
  40. Sony amplifier module
  41. Vandersteen 2W Amplifier
  42. Musical Fidelity power amplifier trim pots
  43. 2sc5171 can drive how many 2sc5949 at 70V without any problem?
  44. Quad 303 hum caused by HDMI connection
  45. The magic amp
  46. NRG Control 400wpc Class A Monoblocks, What to do? Repair or upgrade?
  47. logic amp DBX1004
  48. Floated cascode with jFETs for high voltage?
  49. How much amperage?
  50. HCA-3500 questions
  51. Help fixing NAD C350
  52. Systemdek iix 900
  53. Help me debug a strange interference in my system.
  54. Pot Wiring to Amp
  55. LatFET OPS using HEC!
  56. Electrolytics - Axial vs Radial
  57. Vintage Marantz. Anyone changing their MKT caps?
  58. amplifier has slow speed ticking noise on audio.
  59. Marantz 1120 - Questions re caps and trannies.
  60. Is there a better transistor than a Motorola C4000/C5000
  61. Marantz SR3300
  62. Microphone Noise Cancellation Circuit Design
  63. Salvaging the Power Amp sections of 90s Prologic
  64. Evolution of the VSSA? Esperado's DVSSA...
  65. speaker protection at mains supply - ?
  66. PNP OCL amplifier
  67. ADCOM GFA 555 - Chance bias?
  68. Help with some unknow JFETs for a RIAA project...
  69. Vintage Technics su-v4k integrated amp audio cutting out
  70. How can improve sound quality with TruSound technic
  71. Need help for Luxman C-12 preamplifier
  72. Help with distorted audio from Yamaha cr-400
  73. Massive transistors in Gamut 250i Amps?
  74. Can someone tell me what is this???
  75. Damping factor of 100 at 10KHz?
  76. Help fixing Onkyo TX-SR508
  77. KRELL KSA-50S - Noise distorsion HF
  78. BGW 750C
  79. ESP Project 3A
  80. Can I use a small o/p cap for single ended HF amp
  81. Help me!! nmos 200 problem
  82. Opinions on Quad 303 PC's & components kits?
  83. Burmeister 933 Mk2 Clone
  84. Top Class-A amps Vs Top Class A-B amp for precision and neutrality?
  85. AX6123 sub?
  86. Distortion Hates Symmetry
  87. Loudspeaker protection circuit (form diyaudio) problem
  88. Krell KSA 100 PCB
  89. SymAsym mods ?
  90. The leach amp
  91. The 1K 1W spectra.
  92. Yamaha DSP-E800 External Decoder Subwoofer Gain
  93. Ultra-high performance, yet rather simple - hybrid and more!
  94. lme49810 boards?
  95. ESP P68 and low power
  96. Monarchy SM-70 6 months report ;-)
  97. Preamp Design Guidance
  98. Manual for Arcam Alpha Amp
  99. Need help for modifying an amplifier
  100. BX-1 monoblock class A amp
  101. Is a Preamp's Turn-off Pop Harmful to Opamp IC's?
  102. Hello from Madrid (vintage Marantz inside)
  103. Unusual buzzing situation
  104. Yamaha RX-V765 needs repair
  105. Denon PMA-680R Service Manual
  106. Fuse Question
  107. Etri Fan KSA 100
  108. Hafler mosfet solidstate help
  109. Has anyone used Semelab's MG6333K & MG9413K complementry bipolar devices ?
  110. idle current i(bias) is slowly dropping in one channel
  111. musical fidelity A-X 50/100/200: Any differences above 500 Hz?
  112. Opinions on "Hot rodded" elector HEXFET kits
  113. Crown bias problem
  114. Amplifier A+B with speakers and subwoofer?
  115. Just brought the arcam fmj a32 but get really load popping from the channel left is f
  116. A little amp advice
  117. tantalum and small capacitors
  118. Overload detection circuit for UPC1237
  119. Studio 350 Power Amp
  120. 70's nostalgia
  121. Rebuild my New Dynaco Stereo 120
  122. Need Schematic for PA Stereo amplifier
  123. 40W amplifier, first try
  124. Amcron MT1201 output measurements
  125. Maitner STR-50 power up issue
  126. Does an LME49811 needs a pre driver?
  127. Inter-M R300 plus Transformer
  128. buzz when connecting projector/laptop/amp
  129. JVC RX-508V
  130. Middlebrook "GFT" probe?
  131. A&R Cambridge A60 problem.
  132. A simple, inexpensive, HEXFET amp with EC
  133. How does this provide constant current ?
  134. Any kits for high quality simple preamp
  135. QED A-240 SCHEMATICS
  136. NEW Galliumnitrid and Siliziumkarbid FETS?
  137. ID this transformer
  138. 2.1 Amplifier
  139. transistor hfe help
  140. how to lower THD in small signal BJT amps?
  141. How to measure amplifier`s output impedance wrt Frequency?
  142. Help needen on a power buffer
  143. What Amp board is This?
  144. Output Transistors for the "Super Class A Amplifier" by Jean Hiraga
  145. Crown M 600 blowing the 1.2 amp fuse - not the 20 amp fuse
  146. LME49810 or 11 for mid-high power amplifier?
  147. Realistic SA1000, no info?
  148. Repair a PolkAudio psw111
  149. Amp burning or warmup using 100w 10ohm Load Resistor?
  150. Arcam alpha 9 integrated cd input fault
  151. Krell 1 or Krell 2 ?
  152. ALPS Potentiometer 100k ... Blue RK27112MC noise ??
  153. Sony STR-V333ES blowing power board fuse
  154. Mcintosh Mac 1700 Distortion 1 Channel.
  155. Modding BGW 620B to Class A
  156. Issue While Rehabbing an STA-2100, What To Do?
  157. What to do about my smoking Rotel receiver?!?!
  158. quad 405 power amp advice
  159. Marantz AV Surround Receiver SR-73 - turning off problem
  160. DOM amplifier from semarang city!!!!
  161. The Zodiac: 60 Watt Class H Amplifier with 0.0016% THD
  162. VSSA Circlotron
  163. Classe DR-10 Output Transistors
  164. An interesting op amp comparison a la TexInst:
  165. Ian Hegglun's ClassA^3 Cube-Law Amp
  166. Quad clone R39 burnt
  167. Need some help with 5 channel power stage
  168. Marantz PM 43 dead
  169. Current Source Design
  170. Kenwood KA-6100 BIAS to high
  171. Best Buffer to Sum L&R Without Adding to Crosstalk
  172. Marantz PM-80 class A idle adjusting bias
  173. NAD 2600 Cleaning
  174. Technics SU-V 470 NO SOUND?
  175. Onix OA21s (OA22?) Schematic
  176. No global feedback V TO I converter THD: < 0.001%
  177. Choosing the right transformer current rating
  178. CFA Amp with CMCL and HEC Output Stage
  179. Frustrating interconnect question:
  180. Audio amplifier for test and measurement?
  181. Citation 12 differential pair
  182. Transistors for Naim power amp clone
  183. Variance of RF transconductance of audio bipolar transistors from different manufactu
  184. Nakamichi TA2A - "vented" caps on PS board?
  185. Near Zero THD down to the threshold of hearing
  186. WCF AMP IDEA
  187. How to increase gain of Quad 34 preamp.
  188. Marantz PM80 dead within 10 minutes
  189. Can't find the problem!! :(
  190. Low cost stereo Mini-Mosfet
  191. Citation 16a Capacitor question
  192. PEEL 18CV8P Burner
  193. DxS - The Excess amplifier, an SS (Super Special) model from the Dx Corporation
  194. DENON PMA-1560 IDLE ADJUSTING BIAS
  195. Mark Levinson 380S EPROM code
  196. Direct Servo Subwoofer Amp... What is different?
  197. C-Audio RA2001 Repair
  198. Morgan Deva
  199. Yamaha RX v471 Amplifier
  200. Tuning a Jands amplifier sans specs
  201. LD1014d
  202. anybody have salvage PV500 AMP
  203. Quirk when measuring damping factor
  204. Suggest a amp for driving 16 ohm load from 12-24 volt dc supply
  205. DC coupled = worst dynamics - is it true?
  206. crown csl-800(pb2) noise from board
  207. Latest project update to Maplin 50WRMS amplifier.
  208. QSC 1700 ( not series one )
  209. Hybrid Tube-BJT Lin Topology - Tweak Plans
  210. Basic question about wiring in a second input (Leslie)
  211. Low Cost Amplifier Chassis Ideas
  212. Future kit
  213. Nikko Amp Buy Help
  214. nad hafler sonic impact 5066
  215. Leaking caps?
  216. swapping opamps in poweramps
  217. Transistor selection
  218. Next steps to learn small signal amplifier design
  219. Replace caps on Class D amp to improve sound?
  220. Help with Yamaha AX-1050 Transrotor Source Selector cleaning!
  221. Sherwood HP-1000 restomod
  222. Alps Rotary Switch Dropout Issues for Input Select (e.g. Onkyo, Yamaha, Creek)
  223. Replacement for BEL PT4 & PT6 Needed
  224. What kind of upgrades - Arcam Alpha 5 Integrated Amplifier
  225. NAD3020i recap
  226. 200W jfet mosfet amp, no gnfb but output error correction - from my archives
  227. EV AP2600 amp buzz noise
  228. Do the transistors in the VAS stage need to be matched PNP/NPN pair?
  229. Sherwood s-2660 CP
  230. Aragon 24K Volume control noise and dc
  231. Luxman A-384 replacing volume pot
  232. Bennic xpp for input capacitor for amps?
  233. crown DL2 power supply cable question
  234. Sumo Nine Plus output transistor replacement - Sanken 2SC1831
  235. SAE Mark XXXIB blowing fuse: help!
  236. Help for an Audionet Amp 1
  237. Sony STR-K780 sounds dull
  238. Suggestions of articles about designing a Class A JFET pre-amplifier
  239. Weird SKA behaviour
  240. PG 800.5 Issue
  241. How do I test an amp for Damping Factor?
  242. To Screen or not to screen Vbe multiplier leads in HK1400
  243. discharge 10000uf caps
  244. Smooth out turn-on voltage spike - how?
  245. Why are most opamp circuits run off +/-15V and not +/-12V
  246. Incatech Claymore transformer needed
  247. Unstable buffer
  248. PrAT amp for horns. only Naim?
  249. Son of Ampzilla DC on Output
  250. Need help with a home theatre subwoofer

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