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  1. Help needed for Adcom gfp-1A preamp
  2. Inkel MA920 CIRCUIT
  3. No heat sinks!
  4. HH electronic V-S Bassamp, diagram wanted
  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. Behringer BXL900 Schematic needeed!
  21. sony ta-fb940r qs,left channel hardly there.
  22. HAL PREAMPLIFIERS
  23. Ebay kit diamond differential power amp
  24. High input impedance BJT preamplifer
  25. How to Bypass Relay on Sub Amp?
  26. Bandpass filters in audio circuit of communications receiver?
  27. Sony TA-313 vs Sony TA-F4A........which one???
  28. Help me identify the damage. Tivoli Model 1
  29. Mission Cyrus One - Volume Help Needed
  30. Troubleshooting a Denon 3802
  31. Hello! a few questions on the JLH 1969
  32. Buying a NAD 3020 in the seventies
  33. Sony STR-DE897 receiver - No power
  34. op-amp what voltage to use?
  35. Buzz diminishing with raised volume?
  36. Rod Elliot P3A Layout - Critics
  37. Another free PCB project: JLH headphone amplifier
  38. should i have a dc voltage across my spring rev. input?
  39. Interesting Site
  40. yamaha CA-510 amplifier power supply issue
  41. Hill Audio Multimix
  42. Diagnosing & Fixing a Ground Problem
  43. james bongiorno Amp. question
  44. Abnormal Clipping Need Help~~~
  45. Anyone else using an older flagship receiver for active amplification?
  46. RCA stav - 3990 powering off
  47. help:schematics for a Denon SA-3350 int amp
  48. Leak Stereo 30 Overhaul... Worth it?
  49. Solid State Amplifier - Overview of all Canadian Companies wanted
  50. Linear Audio Inc. - currently Website wanted
  51. Arcam Alpha 9p blowing fuse
  52. Burnt power transistor
  53. SE Mosfet line stage with transformer output
  54. Please help me troubleshoot Niles Audio SI-1230 12 channel amp
  55. Help A Dummy: in simple language please.
  56. don't try this AMP at home
  57. Resistor Identification Help
  58. Suggestions to replace ?
  59. composit amplifier NE5534 swap
  60. JFET Phono Pre-amp clipping
  61. very heavy J-fet
  62. Switch to run a pair of speakers from 2 amps
  63. Dr. Leach Amplifier (commercially being sold?)
  64. A760II schematic needed
  65. question about germanium based amps
  66. A certain HAL Amplifier
  67. help split power supply
  68. Zero negative feedback
  69. pioneer a 88x can it be tweeked ??
  70. Multiple transistor heat dissipation.
  71. CXA1297P Specs
  72. Hawksford cascode experiences please
  73. Mute Logic for LDR volume control
  74. Amplifier project
  75. Substitute for BUK437 MOSFET
  76. How do i calculate the impedance?
  77. Static on Right Channel Realistic SPA-100
  78. 2sa970 - 2SC2240 replacement in SOT23 ?
  79. Bryston 2B, buzz.
  80. Australian Mosfet amplifier
  81. Is the PCB ok?...
  82. Marantz SR4120 not holding station presets
  83. bk st-140 burned resistors
  84. Pioneer SX-424 QUestions!
  85. Disturbing noise from a channel!!
  86. Heatsink top quality!
  87. help with mic preamp
  88. New to this... modded Acurus A250 w/issues
  89. Help cannot identify Amplifier Power transistor
  90. Problem with Fender Frontman 212R amp
  91. Unique way of muting for thump prevention, outside audio path.
  92. Schematics of Luxman L-505u?
  93. 2sc2240 as 2sc458 replacement
  94. Dx MkIII boards.
  95. Need schematic for Denon pma 250
  96. CFP Buffer
  97. Electrocompaniet aw-100dmb
  98. LM1877
  99. Fisher Amplifier Question
  100. What is difference between two circuits
  101. Measuring caps without ESR
  102. dx amp 33v psu
  103. Crown psa-2 Problem
  104. DC servo
  105. "Inverted" (not 'Inverting') Output Stage
  106. Rega Elex problem pointer
  107. Rega Mira Clamshell ~ circuit required
  108. Faulty HH Electronics MXA100
  109. Exicon lateral MOSFETs
  110. ESS Preamp + Amp Repairs Question?
  111. Amp repair help
  112. Halcro
  113. Hafler DH 500
  114. QUAD 520f dc offset
  115. Twin mono by combining stereo outputs
  116. "State-Of-MOS": 200W Ultra Low Distortion Pure FET Amplifier
  117. New project....Sony STR6065, Schematics needed!
  118. My JLH-2005
  119. Carver M-500t repair help.
  120. portable ipod dock question
  121. Phase Linear 300 (series2) output transistors.
  122. Coupling caps on long wires
  123. need help akai aa 1200 reciever
  124. What kind of BGW's final amp. module, is this ?
  125. clean 11 Vrms for 600ohm load
  126. JBL 5234A vs 5234 Frequency dividing networks
  127. AMPLIFIER beginner questions..
  128. Neg Rail on JLH Amp Output
  129. Fet based phase splitter?
  130. boom box idea
  131. NAD P2100 amp with power envelope
  132. output transformer for on solid state dual channel for THD reduction
  133. 5.1 amplifier speaker protection
  134. Chevin Research A1000 schematic required.
  135. Who can give me a version of filter pro 2.0
  136. My invention ? Did I invent this amp ?
  137. Help needed: speaker internal amp blows fuse
  138. Budget DIY Pre-amp with MP3 Player (and FM Tuner)
  139. Overview of Solid State Amplifier Brands from where it is impossible to get Schematic
  140. Overview of all Solid State Amplifier Brands, where are SM's/Schematics available
  141. Nad 3020 Modification from 1982
  142. O2 power on trouble
  143. Leach amp powering up trouble
  144. Arcam Alpha 5 Amp - Replace Alps Switch Button
  145. Rewiring transformer on a McCormack dna for 220v
  146. PS 2 Input Components ..
  147. Re: Re-adjust the Bias of Power Amp
  148. Hissing amplifier (in Meridian M10s) help, please.
  149. Can I increase capacitance on these TONE BOARD caps?
  150. Class D amp modules
  151. PS Audio 100C care, feeding, speaker cables?
  152. Home Theater Receiver crossover network
  153. Looking for SAE items to purchase
  154. L20 V8
  155. Creek 4040s1 strong buzz in one channel
  156. 12 Watt amp, guidance required
  157. Nakamichi CA-7A Clicking sound
  158. where to buy?
  159. Here's a challenge....
  160. left channel won't work on JVC integrated amp
  161. KRELL FBP 200
  162. Stereo IC amplifier for better quality?
  163. Mini Class-A SE amplifier needed
  164. BJT, MOSFET or JFET? Which sound better in class-A
  165. F2J schematic needed
  166. Help wit hk 3490
  167. Behringer EP1500 w/ passive chassis?
  168. Sanken transistor meltdown
  169. LTspice Model incompatible ?
  170. Bootstrapping
  171. Determining the polarity of the speaker outputs on my amp.
  172. When to re-cap?
  173. Vertex Amp By apexaudio
  174. Inflated Class A power claims
  175. Sanken SAP15PO vs SAP15PY
  176. Phono-preamp with a built-in headphone output
  177. Leach Low Tim Blew Outputs
  178. audiolab 8000P - one channel dead - transistor SC2911 looks toasted - (newbie)
  179. Adcom GFA-555ii Repair/Rebuild
  180. Marantz 16 80W - What to do?
  181. Sub Amps: XTI4000 and Peavey CS4080HZ
  182. [Absolute Zero] Design Amp with minimum component (understanding too)
  183. Metal Film vs. Bulk Foil resistors
  184. randall rh200 sc
  185. Can I nominate myself for an audio "Darwin" (Hafler repair)
  186. Yet another bulb lamp amplifier: the bulbamp
  187. Help STK 4122 mute circuit
  188. AVM competition amplifier
  189. Jeff Rowland Coherence One Schematic
  190. Kenwood KA-59 Schematic
  191. Switching loudspeaker with relay
  192. Technics SU-V560 problem
  193. Db technologies HPA2800-repair
  194. how many amps ?
  195. gain linearity
  196. Bridged amplifiers...
  197. How much Class A in a class ab amplifier
  198. Choke power supplies for Class AB Power Amplifiers - which Rules for Calculating ??
  199. MJL3281/1302 based amplifier ?
  200. roberts 83i vs bose wave
  201. SOS... problems with Lehmann BCL ("Lovely Cube")...
  202. Pioneer A400 Volume pot, connection advice needed
  203. Mismatched hFE... important?
  204. which value fuse is needed for primary
  205. The Edwin A+B amplifier - article wanted
  206. Audiolab 8000 lid 'screw' required please....
  207. Safe Voltage for one pair of Sanken SA 1216 and SC 2922
  208. Onkyo A 8067 with low volume to one speaker
  209. LT1166 Mosfet driver - once again
  210. Adding pre-out to an integrated amp
  211. 12v Trigger From Amp
  212. Advice on repairing clamshell Rega Elex (Brio/Mira/Elicit)
  213. Dynamic Head Room
  214. Looking for info about low-noise preamplifier
  215. Schematic Montarbo 118 SA sub.
  216. Musical Fidelity X-A50 Mono Power Amplifier Clone??
  217. Krell S300i Integrated Amp "Made in China" which Factory?
  218. Monrio from Italian (Stan Curtis Design) - what is the new brand name?
  219. Strange bias problem
  220. Single BJT VS JFET Preamp
  221. Repair help requested - Creek 4240SE
  222. help fixing kenwood ka-701
  223. Yamaha RX-V590 faults
  224. Seeking comments on Borbely DC-100 project
  225. Poor input circuit?
  226. Musical Fidelity X-A200R Interrupts During Playback *help*
  227. Amplifier Audio vs PS ground
  228. Amplifier input's low pass (RFI filter), and other questions
  229. My new design or updated old one
  230. And now, for something completely different: Eico Cortina 3070
  231. Does a metal/conductive enclosure need to be grounded in order to shield?
  232. ground symbol confusion
  233. Amp efficiency
  234. Levinson ML-2 distorts randomely
  235. Lateral mosfets and source resistors
  236. dynaco PAT4 modifications
  237. High Power Amplifier with LM391-100
  238. IXYS devices: how to buy them in Europe?
  239. How easy is it to put a 1/4" input on an O2 amp?
  240. Marantz 2245
  241. Limitation on floating PS/circuit
  242. Designing unity gain poweramp
  243. Sugden P51 schematic
  244. Denon AVR-3300
  245. Yamaha A-550 lamp replacement
  246. advice appiciated on clean neutral neafield amp
  247. Levinson ML-2 or Threshold SA/1
  248. High DC offset on DH-220
  249. Real substitute for P80NF55?
  250. Substitute for BF862

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