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  1. Amp oscillates with new speakers
  2. High Quality Audio Preamp(PCB Soon).
  3. Non Bootstraped amplifier 60W
  4. Discrete Op Amp Ideas for a Preamp
  5. Need sansui 5000x schematic
  6. Compensation and Subjectivism..
  7. Good alternative to AD817/825 in Jung regulator?
  8. Need help combating power amp hum
  9. Minimal AMP named C-TEC
  10. Low Noise Balanced Microphone Preamp (PCB also).
  11. Help to fix C-Audio RA3000 Amp
  12. Need to know about a MOS. FET output stage ( the Baby 300B) power amp plans
  13. 4th order lowpass with one transistor
  14. New guy on the block
  15. Rca 4739
  16. Why do you need a preamplifier?
  17. carver m500-t schematics
  18. HAFLER JF2000 / ROCKFORD RF2000 mods...help!!
  19. mods for son of ampzilla & sae 2400L
  20. Is PFC needed for higher power amps?
  21. 25w amp
  22. Amp schematics
  23. bora's legend 4 consideartions
  24. look at this schematic
  25. use of series resistance on output for "tubelike" sound?
  26. starting to study amp designs
  27. Directly driving ribbon tweeters
  28. Looking 4 a simple NPN/PNP Output stage schematic useing Tip31C/32C Transistors??
  29. looking for someone to build me a high frequency amp
  30. Power Supply for Preamplifier
  31. Cyrus Pre, faulty or normal?
  32. "classic" amp and begginners problems (pcb wiring, component values)
  33. Going to Design (Preamplifier PCB).
  34. Need a soft start?
  35. stopping a ground loop through the power cord
  36. Self on LM4562
  37. Inside a Burmester 828 MkII....
  38. Impedence from Neutrik SpeakOn
  39. dbx 4bx repair options
  40. Citronic Conquest V12 scheme
  41. Marantz PM66SE Question
  42. Onkyo Power Output Stage, capacitor between bases of EF pair?
  43. Some Questions Regarding Outputs. And M250.
  44. typical sensitivity of powered subs?
  45. Anybody have scan of AN-483B (Motorola)?
  46. Marantz PM66 se problems, information wanted
  47. Hum that wasn't there before
  48. almost done, 25w amp
  49. Mic PreAmplifier
  50. NAD S300 int amp problem
  51. Low output impedance preamp needed.
  52. suggestions for reciever
  53. Best amplifier for newbie?
  54. NAD 7020 transformer/converter
  55. 2SB1109 and 2SD1609 spice models
  56. musical fidelity studio T
  57. service manual Onkyo TX-SR504?
  58. Anyone interested in a HK Citation 16 amplifer in parts?
  59. IRF130, 9130 drive?
  60. Technics su-g95 schematic needed
  61. multi-channel volume control
  62. How to make I/U conversion with 2SK170
  63. resistors in ps rails of an opa2134
  64. greek........ amplifier ....
  65. suggest preamplifier circuit
  66. Help with vintage Marantz, Sansui etc
  67. Repair question Audio Research D100B
  68. Symasym 5.3 "AAK model" builder's thread
  69. ask the spice model of 2sa1013(or ksa1013)
  70. How to implement DC protection in a BTL amp???
  71. Need help with a Radford HD 250 amplifier
  72. Simple 2SK163 amp...
  73. Some Question About Amp.
  74. Harman Kardon PA 2000 auto turn on input sensitivity
  75. fake and genuine together?
  76. Orcad Capture Part 2SK1058
  77. krell 300i amp. schematic needed
  78. active shielded speaker cables
  79. Plinius
  80. Luxman LV-105u replacing outputs help!
  81. Substitution for 2SK1058&2SJ162?
  82. Luxman LV105
  83. What means ground lift?
  84. Naim Nap 110 info request
  85. need critique, Mic pre amp
  86. DH 220 trouble
  87. DIY amp for bi-amped 2-way horns?
  88. odd harmonics?
  89. Loewe Opta
  90. Pre amp voltage regulators help.
  91. Does anyone actually own that PC mainboard advertised in EW that had tubes on it!
  92. Quad 405 Spice Model
  93. <Continue>Help me to save the Crest FA1201
  94. Help me to save the Crest FA1201
  95. DC300A power switch wanted ??
  96. Need Help and opinion on a circuit
  97. Op Amp Book.
  98. Help
  99. Boras Legend 4 Mosfet Amp
  100. Troubleshooting bass amp
  101. AB-dynamic
  102. Loudspeaker Amp schematic needed
  103. Found Some 2SC367 Metal Can Toshiba Transistors...Any Info or uses for them
  104. repair a relay
  105. Yamaha C-50 service manual
  106. Yamaha A-720 ampflifier servise manual
  107. class a amplifier opinion
  108. Fixing / Trouble shooting Cyrus SmartPower
  109. Yamaha AX-900U
  110. My new mini Class A amp.
  111. Amplifier Testing
  112. Hiraga 30w PSU
  113. Arcam Alpha 5 prob
  114. Gary Pimm's MOSFET CCS
  115. Soundcraftsmen Repair in Southern CA
  116. BAT VK schematic needed
  117. Nad 2400
  118. Ground loop only when both channels connected
  119. Quadraflex Reference 650fet R service manual
  120. peavey cs 800
  121. 25w amp
  122. Another feedback compensation method
  123. Freon cooling an amp?
  124. Which circiut is better?
  125. capacitor question
  126. best load gainclone?
  127. mosfet opinion?
  128. VIntage JVC 4-channel equipment
  129. Upgrading a Carver M200t/M400t
  130. Hafler 9500 Power Switch
  131. Rotel rb970bx mk11 dead
  132. personal jobs
  133. A cooling Primer?
  134. Looking for Perreaux SXV1 schematic
  135. Cyrus 2 Resistors
  136. RC Volume control for a lateral MOS AMP..
  137. Marantz 250 schematic needed
  138. Floating supply in battery powered discreet preamp
  139. PCB for JLH amp
  140. 10 watt Simple Power Amp
  141. Rotel RX950 with humming noise
  142. Hi Fi Plan
  143. Soft start + switch on PCB
  144. PLS-226 Schematic
  145. Rotel RX-830
  146. LCR EQ questions
  147. more info about "Voxson"
  148. Sourcing Genuine Toshibas in USA
  149. A09 class A pionner
  150. Peavey pv2000 power amp
  151. Toroid Transformer for Hafler DH-200
  152. passive preamp
  153. Sansui TU-9900 Restoration and Mods
  154. humming Harman Kardon 330B
  155. Sony TA-AV670 amp repair
  156. Schematic 500w
  157. Opinions from amplifier analysers on these amp circuits
  158. auditek speakers chip amps
  159. Bias Monitoring of Separate Heatsinks
  160. Differential transistor input stage
  161. Connecting OSCONs in series for high voltage.
  162. difference of 1st stage
  163. PCB hiraga 20w
  164. QSC designs
  165. Modifying a commercial amp (Peavey CS-800-B)
  166. BJTs for VAS Stages
  167. tweaking a class AB amp
  168. How much amplifier power do I need
  169. A cirucit to put Carlos anti-blameless stance to permanent rest.
  170. Ayre MX-R "Uma"
  171. NAD 2200 power supplay help needed
  172. Searching for high hfe, low noise and cob PNP BJT
  173. A SAP15 based power amp
  174. Cleaning Those Female (+) R.C.A. Jacks
  175. Pi filter for Class AB amplifier, feedback please
  176. philips FA-951
  177. Phase Linear 700B Series II -Right channel out-
  178. Grounding questions
  179. thomann pa amp
  180. CRC power amp supply
  181. Any suggestion about YBA model INTEGRE DELTA DT
  182. Amp power calculations into different phase angles
  183. Harmon Kardon HK6100
  184. hum problem in NAD 3020 (help wanted)
  185. For 35A rectifiers, what is maximum without heatsink
  186. Mod - Upgrading opamps in a yamaha av receiver
  187. Upgrading Power Supply in QUAD 606 Mk2
  188. Data needed for an STK350-530 SIP IC
  189. Integrating Baffle step into Cyrus 2 feedback circuit.
  190. Yamaha DSP-E390 schematic
  191. Hum in phono circuit
  192. Keeps frying diodes
  193. Looking for Scott 480A schematics
  194. Quadral PA 03 Phonologue
  195. John Linsley Hood RIAA Preamp?
  196. amp question basic rec
  197. Tip33.....anyone got a schem.
  198. Using bipolar opamps
  199. Building an HT Amp-paralleling output devices?
  200. Amp info ????
  201. cyrus one - on/off power button
  202. Audio Research output transistors
  203. Owners manual needed, MUSE MODEL ONE
  204. Please Help! Harman Kardon HK775, problems
  205. Direct coupled Amp causing me grief...
  206. Electrocompaniet Mains Voltage conversion
  207. dc output control loop
  208. base-emitter voltage
  209. IRFP450 Replacements?
  210. How to set the bias of a FET output stage?
  211. Opamp upgrades
  212. NAD 7020 , small problem...
  213. Sansui AU-317 schematic
  214. Help!very Powerful Amp Needed!
  215. YBA integre output transistors
  216. here links diy schemas
  217. SPICE model of Dirty Harry
  218. Tripath Head Amps ?
  219. JLH Guitar Amp
  220. link to diycircuits
  221. naim information
  222. Lightspeed Tone Control...
  223. Test Amp - Construction Method
  224. What amp should I build?
  225. Power Amplifier Output Topologies
  226. hk citation twelve stock or mosfet version to drive original quad esl's ?
  227. p3a amp
  228. NAD C370 Diagnosis and repair help
  229. diy helppppp
  230. nad 3020 fried resistors
  231. Hummm...
  232. Testing the module AV400
  233. NAC 82 Schematic and Photos
  234. citation 12 hum und bias difficulties to adjust
  235. found a Technics SA-8100X
  236. Can you help me choose capacitors for my amplifier restoration project?
  237. If you put new output transsistors, class A/B, will tou match them?
  238. Plate Amp power cutout
  239. How to use P- and N-channel Mosfet as switches
  240. Harmon Kardon PM 640 amplifier
  241. Kantishna MK III, experimental MOSFET AMP
  242. Opamp PSRR
  243. +-70V amp needed
  244. noise level hearing evaluation
  245. Why no Pre-amplifier forum?
  246. Noob Question: What is a volume buffer?
  247. bora's legend 8 legend 4
  248. buffer ics: comparisons / experiences ?
  249. Simple balanced driver circuit.
  250. Possible upgrade for Sanken Darlingtons

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