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  1. 80W Hybrid Audio Amplifier!
  2. VINTAGE AMPLIFIERS
  3. Rotel RB990BX protection circuit issue
  4. Denon DRA 55 receiver manual request
  5. Confused about input sensitivity
  6. Biasing lateral FET's, component placement
  7. difference between these two amplifiers
  8. NAD 7130
  9. Nakamichi PA5E MK II service manual / schematic
  10. Peplacement for 2N5638 JFET Chopper Transistor ...?
  11. PHASE LINEAR 400 SERIES TWO
  12. to Change tweeter protection device
  13. 2 Signals THD format
  14. Borrowed a friends AMP and now it doesn't work! HELP!
  15. SSA variants and references
  16. SAE 2200. Could use some hints.
  17. Rotel vs NAD
  18. Assistance to improve 100W amplifier!
  19. Pre amp oscillate
  20. capacitor upgrade for Focal 2.150 amplifier
  21. pioneer a-88x recap,what else could be done
  22. Capacitive load testing
  23. Peavey CS 800x power problem
  24. Shunt Current Feedback
  25. Current Source amplifier for low impedance loads
  26. Hafler PC-19C Boards (Someone make a replacement?)
  27. Peavey cs4000 and cs4080....class?
  28. vintage pioneer ad-360 wiring instructions
  29. Need amp with 200 kOhm input impedance
  30. PCB for audio amplifier with TDA7250!
  31. Fairchild A00-6
  32. Problems PS Audio Delta 100
  33. Hopefully an easy one for you...
  34. Deconstructing Rowland 7
  35. 20~50W amp
  36. Replacement of IRF730 for Sonic Frontiers SFL-1
  37. 20watt amplifier
  38. Current mirrors as collector loads in a symmetric amp
  39. Can I? Stereo in > parallel out into 1 speaker?
  40. c3519 and a1386 transistor replacement
  41. Prefered type of amplifier
  42. Some not very happy experience with my used GFA-555 II AMP
  43. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  44. AVA Insight+ 240
  45. modern incarnations of Hiraga Le Monstre
  46. Noise Reduction Solutions
  47. schematic error
  48. AV400
  49. The double blind auditions thread
  50. Hum (ground loop?) issue when using HT pass through on SDS-254 amp
  51. PCB for QUASI Amplifier for Beginners with changes!?
  52. NAD 2100 protection on!
  53. Trying to add pre out/main in to integrated amplifier. Am I thinking right?
  54. THD measurement in spice
  55. Leach Amp Project
  56. Threshold Fet 2 Series 2 preamp
  57. sony HST-550W service manual question???
  58. NAD T762 - Circuit Diagram - Help!
  59. Another Crescendo ME Problem...
  60. Grundig Console KS 526
  61. Class S
  62. Simple sub amp a 10-year old could build?
  63. Borbely-Lender True Symmetry
  64. Cyrus I (issue 07)
  65. Schematic for audio amps
  66. Coupling cap 360deg phase shift??
  67. very first "blameless" amplifier prior 1969
  68. About optimos pcb
  69. How to simulate an OLG of the TMC amp
  70. NAD 3020 Rebuild - thermal breaker replacement/source?
  71. STK4143 MKII Datasheet
  72. Capacitors for this amp ?????
  73. PSA 150 S (pure sound amplifier)---help needed
  74. Amp is not bi-wired Speakers are :(
  75. pioneer sx 3800
  76. Help with a Hafler amp and AV receiver setup
  77. Krell KMA-100 DC Offset
  78. Headphone amp NE5532
  79. Limit Amplifier
  80. NAD 3100 amplifier tone POTs
  81. need data on ARC 4700 and ARC 4800
  82. Does it matter? (CLG/OLG question)
  83. Heatsinking drivers, do most drivers get very hot?
  84. Can anyone shed some light please?
  85. Is this heatsink suitable for this amp?
  86. At a loss on thins one
  87. MILLER CAPS ...
  88. Diodes instead of or across emitter resistors
  89. Need help with an old amp
  90. B&K AV6000 Sers II Running HOT
  91. How about even simpler with good clean sound?
  92. Biasing Question
  93. Odd regulator for frontend
  94. Rotel RA-312 - only one channel works
  95. Very simple class B amplifier
  96. BSH103 / BSH203 flicker noise corner
  97. Blameless-like amp burnt channel need help to prevent that happening again!
  98. Need meter light alternative for Sunfire Cinema Grands
  99. Aragon 4004 power amp channel imbalance
  100. Transistor switch audio mute
  101. this class a amp is good?
  102. P3A MODIFIED VERSION
  103. Rotel RB-970BX Upgrade?
  104. The most common cause of speaker buzz from an amp?
  105. can my sony amp be tweeked
  106. List of the best sounding amplifiers
  107. 400 WATTS into a 5.25" 45W RMS Speaker ?
  108. Upgrade for TIP35/36 outputs
  109. ohm's issue
  110. TEAC AG-V7700
  111. Technics SU-V7 not functioning
  112. Metempsychosis of a NAD
  113. Capacitor complacency
  114. sink or not ?
  115. Harman Kardon recycle project
  116. Marantz 2220 Right Channel Static
  117. 2 OHMS DRIVING
  118. Need a tough TO-220 Bipolar...
  119. Can a build up of dust effect the operation of a PCB?
  120. Dx hybrid amplifier will be produced soon
  121. 2N2907A instead of BC179
  122. Audioanalyse PA-60 (PA60) Power Amp - where to get Schematic ??
  123. Hafler DH 200 grounding
  124. Cyrus 2 amp distort when crank up volume
  125. Rotel RB-1010 power amp varistor!
  126. Two transformers on one AC plug?
  127. All CFP Non Global Feedback Amplifier
  128. JFET input, MOSFET VAS, VERTICAL output
  129. Should I remove These Caps?
  130. bench testing
  131. Dx Zuper A - a new amplifier to be released in July 17th - 2012
  132. Spice models for 2SD438/2SB560
  133. 2sc1318 transistor source or equivalent?
  134. How to take apart an old Kenwood receiver?
  135. Next Future Amplifier Jfet and Bjt
  136. Parallel Thermaltrak with standard bjt of same number?
  137. Phase Splitter
  138. "unfolded diff pair" headphone amp
  139. Heat sink size, Need help in determining.
  140. suggestions for improvement (Old Consumer Amp)
  141. Rail Lifter/Boost Circuit (ala TDA1562q)
  142. Problem with Pioneer QX4000 - have some info and circuit diagram!
  143. A little hum on my subwoofer
  144. BF822/MJE250 substitutes ?
  145. scrape sound in my subwoofer volume
  146. P3A Elliott
  147. Adccom GFA-585 Poping Noise & Blue cable from transformer is not plug in.
  148. Lateral output amp with jfet input
  149. spice model for 2SK711
  150. Info on this pair of A1943/C5200
  151. Which AMP should I use?
  152. Balance Pot Replacement
  153. Transistor Replacement 2N5551
  154. ONE MORE P3A QUESTION
  155. Proton am-30
  156. needed sony transformer specs
  157. I scored an entire 3000pc reel of Genuine Toshiba 2SK117-BL smd fets today!!!
  158. Preamps and line level...
  159. Some help please with Wharfedale 2050A.
  160. Simple Symetrical Amplifier
  161. Samson Servo 550 won't turn on
  162. replacement for 2SC4793 and 2SA1837
  163. Hybrid bright idea
  164. Low power amplifier
  165. Quad 44/405
  166. finding feedback line and gain controlling resistor
  167. How to bias Long tail pair....??
  168. LM3886 driving long cable instability
  169. emitter resistors - how to calculate for discrete opamp.
  170. Rotel RA-870 intermittent channel (simple fix?)
  171. 250W amp with IRFP240 & IRFP9240
  172. Quad 303 IEC power socket upgrade
  173. fixing nad c325bee
  174. Pioneer QX40000 - When replacing bulb, shorted bulb to ground. No now display
  175. Need help for Musical Fidelity B-1 Integrated Amp
  176. Dx Blame MKIII-Hx - Builder's thread
  177. Best Amp for my Speakers
  178. Could you recommend me a SAE technician
  179. Has anyone used this volume control?
  180. Transistors recommended for new designs
  181. Hughes AK-100
  182. Luxman Integrated Amplifier L550 ("L-550") Capacitor Replacement in the Power Supply
  183. Harman Kardon 775 mono amps earthing
  184. Medium power mosfet amp
  185. Adcom GFA 565 Diodes
  186. ADCOM GFA-585 simultaneous distortion alert
  187. Lateral/Vertical mosfet conversion
  188. Yamaha cdx1030 Capacitors
  189. Why a new A/V receiver can not sound as good as a 30-year-old one
  190. Help Identify YAMAHA amp
  191. Need help repairing Yorkville MP6
  192. Parasound Halo A23 problem
  193. vintage amp
  194. rotel michi and atc schematics here...
  195. Hx-Home Edition and Hx Mini Edition will be released December, 24th
  196. Minimizing dc offset in simple amplifiers
  197. Naim Nap 250 (135) specs
  198. current feed back amplifier
  199. Pioneer SX-1250/SX-5590 schematics for repair
  200. Any crazy idea?
  201. ElectroVoice 7300A trouble
  202. Bridge an stereo amplifier to MONO
  203. How to do floating cascode on the P-channel side?
  204. IMPEDANCE MATCHING FOR I/V TRANSFORMER
  205. Preventing bjt breakdown
  206. information requested
  207. Luxman A373 - D375 - T353 Integr. Amp - CD - FM-Tuner
  208. Onkyo M-508 clicking sounds
  209. Bypassing main caps in Hafler DH-200
  210. Help Ampeg SVT-3 Pro
  211. Marantz SR2000 Receiver: Worth saving?
  212. 6 amp circuit one power supply unit advantages/disadvantages
  213. Denon DRA-685 NO POWER
  214. New Hafler DH-200 Board?
  215. Voltage Controlled Signal Amplitude
  216. Audible benefit from higher 'headroom.'
  217. Linx Vega power amp...
  218. Feedback affects Soundstage, Imaging, Transients ?
  219. Carver CT-29v Preamp Service Manual ?
  220. Phase Linear 400 Series Two Blowing fuses
  221. information on audiomobile sa1600?
  222. Updates on my New Ovation SCA-1 pre-Amp
  223. high voltage bjts
  224. Class-A Opamp with output stage
  225. Rotel RB-871 Mark II Channel Imbalance
  226. Newbie repairing Hafler DH220 advice needed
  227. AKAI AM-U1
  228. Need Nearfield amp recommendation
  229. Need Nearfield amp recommendation
  230. how to dim an LED
  231. I did a stupid thing... (Nad C320 red light)
  232. Vu meter, questions
  233. 2N3055 transistor, which brand to buy?
  234. Harman Kardon HK770 vs AVR254
  235. Jfet - Mosfet Amplifier2
  236. Help on bias multiplier
  237. DX Precision I Simplified, Help
  238. Problem with 100W Audio Amplifier!?
  239. Aikido meets Zen
  240. newbie question
  241. Leach Low Tim frontend tweak
  242. 100W mosfet amplifier with IRFP250 - Help!?
  243. Idling current in Rega Mira 1, 2 or 3
  244. Which (parts) of preamps & amps did John Curl design
  245. Best place for Adcom 565 repair? HELP!
  246. what causes 'thick' sound?
  247. Advice on upgrading a Denon PMA-925R
  248. Sony V333ES Amp with a rapid clicking relay and no power
  249. lm3886 power output question
  250. Change the outputs in my Crown D60?

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