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  1. Deconstructing Rowland 7
  2. 20~50W amp
  3. Replacement of IRF730 for Sonic Frontiers SFL-1
  4. 20watt amplifier
  5. Current mirrors as collector loads in a symmetric amp
  6. Can I? Stereo in > parallel out into 1 speaker?
  7. c3519 and a1386 transistor replacement
  8. Prefered type of amplifier
  9. Some not very happy experience with my used GFA-555 II AMP
  10. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  11. AVA Insight+ 240
  12. modern incarnations of Hiraga Le Monstre
  13. Noise Reduction Solutions
  14. schematic error
  15. AV400
  16. The double blind auditions thread
  17. Hum (ground loop?) issue when using HT pass through on SDS-254 amp
  18. PCB for QUASI Amplifier for Beginners with changes!?
  19. NAD 2100 protection on!
  20. Trying to add pre out/main in to integrated amplifier. Am I thinking right?
  21. THD measurement in spice
  22. Leach Amp Project
  23. Threshold Fet 2 Series 2 preamp
  24. sony HST-550W service manual question???
  25. NAD T762 - Circuit Diagram - Help!
  26. Another Crescendo ME Problem...
  27. Grundig Console KS 526
  28. Class S
  29. Simple sub amp a 10-year old could build?
  30. Borbely-Lender True Symmetry
  31. Cyrus I (issue 07)
  32. Schematic for audio amps
  33. Coupling cap 360deg phase shift??
  34. very first "blameless" amplifier prior 1969
  35. About optimos pcb
  36. How to simulate an OLG of the TMC amp
  37. NAD 3020 Rebuild - thermal breaker replacement/source?
  38. STK4143 MKII Datasheet
  39. Capacitors for this amp ?????
  40. PSA 150 S (pure sound amplifier)---help needed
  41. Amp is not bi-wired Speakers are :(
  42. pioneer sx 3800
  43. Help with a Hafler amp and AV receiver setup
  44. Krell KMA-100 DC Offset
  45. Headphone amp NE5532
  46. Limit Amplifier
  47. NAD 3100 amplifier tone POTs
  48. need data on ARC 4700 and ARC 4800
  49. Does it matter? (CLG/OLG question)
  50. Heatsinking drivers, do most drivers get very hot?
  51. Can anyone shed some light please?
  52. Is this heatsink suitable for this amp?
  53. At a loss on thins one
  54. MILLER CAPS ...
  55. Diodes instead of or across emitter resistors
  56. Need help with an old amp
  57. B&K AV6000 Sers II Running HOT
  58. How about even simpler with good clean sound?
  59. Biasing Question
  60. Odd regulator for frontend
  61. Rotel RA-312 - only one channel works
  62. Very simple class B amplifier
  63. BSH103 / BSH203 flicker noise corner
  64. Blameless-like amp burnt channel need help to prevent that happening again!
  65. Need meter light alternative for Sunfire Cinema Grands
  66. Aragon 4004 power amp channel imbalance
  67. Transistor switch audio mute
  68. this class a amp is good?
  69. P3A MODIFIED VERSION
  70. Rotel RB-970BX Upgrade?
  71. The most common cause of speaker buzz from an amp?
  72. can my sony amp be tweeked
  73. List of the best sounding amplifiers
  74. 400 WATTS into a 5.25" 45W RMS Speaker ?
  75. Upgrade for TIP35/36 outputs
  76. ohm's issue
  77. TEAC AG-V7700
  78. Technics SU-V7 not functioning
  79. Metempsychosis of a NAD
  80. Capacitor complacency
  81. sink or not ?
  82. Harman Kardon recycle project
  83. Marantz 2220 Right Channel Static
  84. 2 OHMS DRIVING
  85. Need a tough TO-220 Bipolar...
  86. Can a build up of dust effect the operation of a PCB?
  87. Dx hybrid amplifier will be produced soon
  88. 2N2907A instead of BC179
  89. Audioanalyse PA-60 (PA60) Power Amp - where to get Schematic ??
  90. Hafler DH 200 grounding
  91. Cyrus 2 amp distort when crank up volume
  92. Rotel RB-1010 power amp varistor!
  93. Two transformers on one AC plug?
  94. All CFP Non Global Feedback Amplifier
  95. JFET input, MOSFET VAS, VERTICAL output
  96. Should I remove These Caps?
  97. bench testing
  98. Dx Zuper A - a new amplifier to be released in July 17th - 2012
  99. Spice models for 2SD438/2SB560
  100. 2sc1318 transistor source or equivalent?
  101. How to take apart an old Kenwood receiver?
  102. Next Future Amplifier Jfet and Bjt
  103. Parallel Thermaltrak with standard bjt of same number?
  104. Phase Splitter
  105. "unfolded diff pair" headphone amp
  106. Heat sink size, Need help in determining.
  107. suggestions for improvement (Old Consumer Amp)
  108. Rail Lifter/Boost Circuit (ala TDA1562q)
  109. Problem with Pioneer QX4000 - have some info and circuit diagram!
  110. A little hum on my subwoofer
  111. BF822/MJE250 substitutes ?
  112. scrape sound in my subwoofer volume
  113. P3A Elliott
  114. Adccom GFA-585 Poping Noise & Blue cable from transformer is not plug in.
  115. Lateral output amp with jfet input
  116. spice model for 2SK711
  117. Info on this pair of A1943/C5200
  118. Which AMP should I use?
  119. Balance Pot Replacement
  120. Transistor Replacement 2N5551
  121. ONE MORE P3A QUESTION
  122. Proton am-30
  123. needed sony transformer specs
  124. I scored an entire 3000pc reel of Genuine Toshiba 2SK117-BL smd fets today!!!
  125. Preamps and line level...
  126. Some help please with Wharfedale 2050A.
  127. Simple Symetrical Amplifier
  128. Samson Servo 550 won't turn on
  129. replacement for 2SC4793 and 2SA1837
  130. Hybrid bright idea
  131. Low power amplifier
  132. Quad 44/405
  133. finding feedback line and gain controlling resistor
  134. How to bias Long tail pair....??
  135. LM3886 driving long cable instability
  136. emitter resistors - how to calculate for discrete opamp.
  137. Rotel RA-870 intermittent channel (simple fix?)
  138. 250W amp with IRFP240 & IRFP9240
  139. Quad 303 IEC power socket upgrade
  140. fixing nad c325bee
  141. Pioneer QX40000 - When replacing bulb, shorted bulb to ground. No now display
  142. Need help for Musical Fidelity B-1 Integrated Amp
  143. Dx Blame MKIII-Hx - Builder's thread
  144. Best Amp for my Speakers
  145. Could you recommend me a SAE technician
  146. Has anyone used this volume control?
  147. Transistors recommended for new designs
  148. Hughes AK-100
  149. Luxman Integrated Amplifier L550 ("L-550") Capacitor Replacement in the Power Supply
  150. Harman Kardon 775 mono amps earthing
  151. Medium power mosfet amp
  152. Adcom GFA 565 Diodes
  153. ADCOM GFA-585 simultaneous distortion alert
  154. Lateral/Vertical mosfet conversion
  155. Yamaha cdx1030 Capacitors
  156. Why a new A/V receiver can not sound as good as a 30-year-old one
  157. Help Identify YAMAHA amp
  158. Need help repairing Yorkville MP6
  159. Parasound Halo A23 problem
  160. vintage amp
  161. rotel michi and atc schematics here...
  162. Hx-Home Edition and Hx Mini Edition will be released December, 24th
  163. Minimizing dc offset in simple amplifiers
  164. Naim Nap 250 (135) specs
  165. current feed back amplifier
  166. Pioneer SX-1250/SX-5590 schematics for repair
  167. Any crazy idea?
  168. ElectroVoice 7300A trouble
  169. Bridge an stereo amplifier to MONO
  170. How to do floating cascode on the P-channel side?
  171. IMPEDANCE MATCHING FOR I/V TRANSFORMER
  172. Preventing bjt breakdown
  173. information requested
  174. Luxman A373 - D375 - T353 Integr. Amp - CD - FM-Tuner
  175. Onkyo M-508 clicking sounds
  176. Bypassing main caps in Hafler DH-200
  177. Help Ampeg SVT-3 Pro
  178. Marantz SR2000 Receiver: Worth saving?
  179. 6 amp circuit one power supply unit advantages/disadvantages
  180. Denon DRA-685 NO POWER
  181. New Hafler DH-200 Board?
  182. Voltage Controlled Signal Amplitude
  183. Audible benefit from higher 'headroom.'
  184. Linx Vega power amp...
  185. Feedback affects Soundstage, Imaging, Transients ?
  186. Carver CT-29v Preamp Service Manual ?
  187. Phase Linear 400 Series Two Blowing fuses
  188. information on audiomobile sa1600?
  189. Updates on my New Ovation SCA-1 pre-Amp
  190. high voltage bjts
  191. Class-A Opamp with output stage
  192. Rotel RB-871 Mark II Channel Imbalance
  193. Newbie repairing Hafler DH220 advice needed
  194. AKAI AM-U1
  195. Need Nearfield amp recommendation
  196. Need Nearfield amp recommendation
  197. how to dim an LED
  198. I did a stupid thing... (Nad C320 red light)
  199. Vu meter, questions
  200. 2N3055 transistor, which brand to buy?
  201. Harman Kardon HK770 vs AVR254
  202. Jfet - Mosfet Amplifier2
  203. Help on bias multiplier
  204. DX Precision I Simplified, Help
  205. Problem with 100W Audio Amplifier!?
  206. Aikido meets Zen
  207. newbie question
  208. Leach Low Tim frontend tweak
  209. 100W mosfet amplifier with IRFP250 - Help!?
  210. Idling current in Rega Mira 1, 2 or 3
  211. Which (parts) of preamps & amps did John Curl design
  212. Best place for Adcom 565 repair? HELP!
  213. what causes 'thick' sound?
  214. Advice on upgrading a Denon PMA-925R
  215. Sony V333ES Amp with a rapid clicking relay and no power
  216. lm3886 power output question
  217. Change the outputs in my Crown D60?
  218. Repairing a jbl 1201.1II...
  219. Crown XLS Series - Fuses??
  220. Nuforce Icon Amp... Dissassembly?
  221. Marantz PM7000 distorsion problem in R channel
  222. Counterfeit transistors ?
  223. Marantz PM7003 help with schematics???
  224. Making a preamp
  225. How much gain does Nakamichi CA-7 pre amp have?
  226. Kit Recommendations?
  227. Output Impendance
  228. Nakamichi Receiver 1 Remote Failure
  229. Marantz PM7003 Service Manual desperately needed
  230. Bjt vs mosfet drive
  231. preamp static troubleshooting
  232. question
  233. Krell KSA-300S cliks off
  234. replacement cyrus 2 rocker switch .
  235. Switching source and levels in a multi-channel amplifier
  236. power amplifier
  237. Yamaha Power Amp Circuit Theory Help
  238. circuit switching
  239. CCD-2400 Concept Car Amp
  240. Powering on my LCD causes my amp to hum through the speakers
  241. ideas on fixing amp?
  242. a / b Selector Switch - Stupid Question.
  243. Cyrus One Amplifier - One Channel Silent - What could it be?
  244. Quad 606 into a 2 ohm load
  245. Hiss sound from DIY speaker, anyway to remove it ?
  246. Opamp maximum output current (NE5532 or similar)
  247. Soliciting advice on mods for Soundcraftsmen FET PR1800
  248. Help carver M400 Oscillating
  249. mosfet opamp
  250. A Modified P3A

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