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  1. Mr Gromer LNA-1 opamp - 2SC2239BL equivalent
  2. Help needed for Adcom gfp-1A preamp
  3. Inkel MA920 CIRCUIT
  4. No heat sinks!
  5. Amplifier Transistor Replacement Help
  6. Part sub for MOSFET gurus
  7. Nakamichi SR-4A Idle Current Procedure
  8. Replacement Volume Control For Marantz PM 66 KI
  9. RCA Power Transistors BD750, BD751, BD550, BD550A, BD550B Data Sheet wanted
  10. Can a heatsink be too big?
  11. MARANTZ 2500 250w/ch receiver
  12. Threshold 800A amplifier versions
  13. circuit diagram for cambridge A70 power amp
  14. Self-cascoding, a tool for creating ultra high voltage building blocks:
  15. CC-CB cascade variations
  16. cheap big binding posts for metal chassis
  17. Luxman LV103u replacing output FET's
  18. Luxman L85V - Replace 2SA679-NTE280/81
  19. crow d150
  20. sony ta-fb940r qs,left channel hardly there.
  21. HAL PREAMPLIFIERS
  22. Ebay kit diamond differential power amp
  23. High input impedance BJT preamplifer
  24. How to Bypass Relay on Sub Amp?
  25. Bandpass filters in audio circuit of communications receiver?
  26. Sony TA-313 vs Sony TA-F4A........which one???
  27. Help me identify the damage. Tivoli Model 1
  28. Mission Cyrus One - Volume Help Needed
  29. Troubleshooting a Denon 3802
  30. Hello! a few questions on the JLH 1969
  31. Buying a NAD 3020 in the seventies
  32. Sony STR-DE897 receiver - No power
  33. op-amp what voltage to use?
  34. Buzz diminishing with raised volume?
  35. Rod Elliot P3A Layout - Critics
  36. Another free PCB project: JLH headphone amplifier
  37. should i have a dc voltage across my spring rev. input?
  38. Interesting Site
  39. yamaha CA-510 amplifier power supply issue
  40. Hill Audio Multimix
  41. Diagnosing & Fixing a Ground Problem
  42. james bongiorno Amp. question
  43. Abnormal Clipping Need Help~~~
  44. Anyone else using an older flagship receiver for active amplification?
  45. RCA stav - 3990 powering off
  46. help:schematics for a Denon SA-3350 int amp
  47. Leak Stereo 30 Overhaul... Worth it?
  48. Solid State Amplifier - Overview of all Canadian Companies wanted
  49. Linear Audio Inc. - currently Website wanted
  50. Arcam Alpha 9p blowing fuse
  51. Burnt power transistor
  52. SE Mosfet line stage with transformer output
  53. Please help me troubleshoot Niles Audio SI-1230 12 channel amp
  54. Help A Dummy: in simple language please.
  55. don't try this AMP at home
  56. Resistor Identification Help
  57. Suggestions to replace ?
  58. composit amplifier NE5534 swap
  59. JFET Phono Pre-amp clipping
  60. very heavy J-fet
  61. Switch to run a pair of speakers from 2 amps
  62. Dr. Leach Amplifier (commercially being sold?)
  63. A760II schematic needed
  64. question about germanium based amps
  65. A certain HAL Amplifier
  66. help split power supply
  67. Zero negative feedback
  68. pioneer a 88x can it be tweeked ??
  69. Multiple transistor heat dissipation.
  70. CXA1297P Specs
  71. Hawksford cascode experiences please
  72. Mute Logic for LDR volume control
  73. Amplifier project
  74. Substitute for BUK437 MOSFET
  75. How do i calculate the impedance?
  76. Static on Right Channel Realistic SPA-100
  77. 2sa970 - 2SC2240 replacement in SOT23 ?
  78. Bryston 2B, buzz.
  79. Australian Mosfet amplifier
  80. Is the PCB ok?...
  81. Marantz SR4120 not holding station presets
  82. bk st-140 burned resistors
  83. Pioneer SX-424 QUestions!
  84. Disturbing noise from a channel!!
  85. Heatsink top quality!
  86. Anyone fixed a Bose Wave Radio with no sound?
  87. help with mic preamp
  88. New to this... modded Acurus A250 w/issues
  89. Help cannot identify Amplifier Power transistor
  90. Unique way of muting for thump prevention, outside audio path.
  91. Schematics of Luxman L-505u?
  92. 2sc2240 as 2sc458 replacement
  93. Dx MkIII boards.
  94. Need schematic for Denon pma 250
  95. CFP Buffer
  96. Electrocompaniet aw-100dmb
  97. LM1877
  98. Fisher Amplifier Question
  99. What is difference between two circuits
  100. Measuring caps without ESR
  101. dx amp 33v psu
  102. Crown psa-2 Problem
  103. DC servo
  104. "Inverted" (not 'Inverting') Output Stage
  105. Rega Elex problem pointer
  106. Rega Mira Clamshell ~ circuit required
  107. Faulty HH Electronics MXA100
  108. Exicon lateral MOSFETs
  109. ESS Preamp + Amp Repairs Question?
  110. Amp repair help
  111. Halcro
  112. Hafler DH 500
  113. QUAD 520f dc offset
  114. Twin mono by combining stereo outputs
  115. "State-Of-MOS": 200W Ultra Low Distortion Pure FET Amplifier
  116. New project....Sony STR6065, Schematics needed!
  117. My JLH-2005
  118. Carver M-500t repair help.
  119. portable ipod dock question
  120. Phase Linear 300 (series2) output transistors.
  121. Coupling caps on long wires
  122. need help akai aa 1200 reciever
  123. What kind of BGW's final amp. module, is this ?
  124. clean 11 Vrms for 600ohm load
  125. JBL 5234A vs 5234 Frequency dividing networks
  126. AMPLIFIER beginner questions..
  127. Neg Rail on JLH Amp Output
  128. Fet based phase splitter?
  129. boom box idea
  130. NAD P2100 amp with power envelope
  131. output transformer for on solid state dual channel for THD reduction
  132. 5.1 amplifier speaker protection
  133. Chevin Research A1000 schematic required.
  134. Who can give me a version of filter pro 2.0
  135. My invention ? Did I invent this amp ?
  136. Help needed: speaker internal amp blows fuse
  137. Budget DIY Pre-amp with MP3 Player (and FM Tuner)
  138. Overview of Solid State Amplifier Brands from where it is impossible to get Schematic
  139. Overview of all Solid State Amplifier Brands, where are SM's/Schematics available
  140. Nad 3020 Modification from 1982
  141. O2 power on trouble
  142. Leach amp powering up trouble
  143. Arcam Alpha 5 Amp - Replace Alps Switch Button
  144. Rewiring transformer on a McCormack dna for 220v
  145. PS 2 Input Components ..
  146. Re: Re-adjust the Bias of Power Amp
  147. Hissing amplifier (in Meridian M10s) help, please.
  148. Can I increase capacitance on these TONE BOARD caps?
  149. Class D amp modules
  150. PS Audio 100C care, feeding, speaker cables?
  151. Home Theater Receiver crossover network
  152. Looking for SAE items to purchase
  153. L20 V8
  154. Creek 4040s1 strong buzz in one channel
  155. 12 Watt amp, guidance required
  156. Nakamichi CA-7A Clicking sound
  157. where to buy?
  158. Here's a challenge....
  159. left channel won't work on JVC integrated amp
  160. KRELL FBP 200
  161. Stereo IC amplifier for better quality?
  162. Mini Class-A SE amplifier needed
  163. BJT, MOSFET or JFET? Which sound better in class-A
  164. F2J schematic needed
  165. Help wit hk 3490
  166. Sanken transistor meltdown
  167. LTspice Model incompatible ?
  168. Bootstrapping
  169. Determining the polarity of the speaker outputs on my amp.
  170. When to re-cap?
  171. Vertex Amp By apexaudio
  172. Inflated Class A power claims
  173. Sanken SAP15PO vs SAP15PY
  174. Phono-preamp with a built-in headphone output
  175. Leach Low Tim Blew Outputs
  176. audiolab 8000P - one channel dead - transistor SC2911 looks toasted - (newbie)
  177. Adcom GFA-555ii Repair/Rebuild
  178. Marantz 16 80W - What to do?
  179. [Absolute Zero] Design Amp with minimum component (understanding too)
  180. randall rh200 sc
  181. Can I nominate myself for an audio "Darwin" (Hafler repair)
  182. Yet another bulb lamp amplifier: the bulbamp
  183. Help STK 4122 mute circuit
  184. AVM competition amplifier
  185. Jeff Rowland Coherence One Schematic
  186. Kenwood KA-59 Schematic
  187. Switching loudspeaker with relay
  188. Technics SU-V560 problem
  189. Db technologies HPA2800-repair
  190. how many amps ?
  191. gain linearity
  192. Bridged amplifiers...
  193. How much Class A in a class ab amplifier
  194. Choke power supplies for Class AB Power Amplifiers - which Rules for Calculating ??
  195. MJL3281/1302 based amplifier ?
  196. roberts 83i vs bose wave
  197. SOS... problems with Lehmann BCL ("Lovely Cube")...
  198. Pioneer A400 Volume pot, connection advice needed
  199. Mismatched hFE... important?
  200. which value fuse is needed for primary
  201. The Edwin A+B amplifier - article wanted
  202. Audiolab 8000 lid 'screw' required please....
  203. Safe Voltage for one pair of Sanken SA 1216 and SC 2922
  204. Onkyo A 8067 with low volume to one speaker
  205. LT1166 Mosfet driver - once again
  206. Adding pre-out to an integrated amp
  207. 12v Trigger From Amp
  208. Advice on repairing clamshell Rega Elex (Brio/Mira/Elicit)
  209. Dynamic Head Room
  210. Looking for info about low-noise preamplifier
  211. Schematic Montarbo 118 SA sub.
  212. Musical Fidelity X-A50 Mono Power Amplifier Clone??
  213. Krell S300i Integrated Amp "Made in China" which Factory?
  214. Monrio from Italian (Stan Curtis Design) - what is the new brand name?
  215. Strange bias problem
  216. Single BJT VS JFET Preamp
  217. Repair help requested - Creek 4240SE
  218. help fixing kenwood ka-701
  219. Yamaha RX-V590 faults
  220. Seeking comments on Borbely DC-100 project
  221. Poor input circuit?
  222. Musical Fidelity X-A200R Interrupts During Playback *help*
  223. Amplifier Audio vs PS ground
  224. Amplifier input's low pass (RFI filter), and other questions
  225. My new design or updated old one
  226. And now, for something completely different: Eico Cortina 3070
  227. Does a metal/conductive enclosure need to be grounded in order to shield?
  228. ground symbol confusion
  229. Amp efficiency
  230. Levinson ML-2 distorts randomely
  231. Lateral mosfets and source resistors
  232. dynaco PAT4 modifications
  233. High Power Amplifier with LM391-100
  234. IXYS devices: how to buy them in Europe?
  235. How easy is it to put a 1/4" input on an O2 amp?
  236. Marantz 2245
  237. Limitation on floating PS/circuit
  238. Designing unity gain poweramp
  239. Sugden P51 schematic
  240. Denon AVR-3300
  241. Yamaha A-550 lamp replacement
  242. advice appiciated on clean neutral neafield amp
  243. Levinson ML-2 or Threshold SA/1
  244. High DC offset on DH-220
  245. Real substitute for P80NF55?
  246. Substitute for BF862
  247. TDA7294 Bi-amp DIY
  248. Elektor 1976 article wanted
  249. L20 AMP。use only two NJW0302G
  250. what tx needed

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