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  1. need cross reference for HK 330b amplifier transistor
  2. Hafler P125 (DH120) One Channel Not Working.
  3. Krell KSA-100S_Resistors very hot
  4. Rod Elliot mic pre
  5. Information on Tact RCS 2.0 Pre Amp
  6. Refurb of Dynaco ST-120
  7. BGW 750B
  8. interest at v to i amplifier
  9. "Radio-Electronics" mag. article
  10. JVC: Amp Center V Adjust?
  11. MF500 | My 500W/4Ω Hi-Fi All-FET Amp Design
  12. Tivoli Model Two right channel faint -- fuse replacement?
  13. Active High Pass as commercial Unit between Pre- and Power Amp
  14. Servicemanual Onkyo M5000
  15. Noble,Alps,TKD ?
  16. Musical Fidelity A100 - convert to power amp?
  17. OPtimizing the VBE MUltiplier
  18. cure for motorboating sound
  19. Loudness contro-circuit or project
  20. Yamaha DSP-AX750se........Dead, No Power
  21. Channel Distortion
  22. Carver PM350
  23. Apogee Acoustics® Power Amp for RIBBON "Current Source 160c" who have heard?
  24. Chassis design for SS amp.
  25. Newbie with a problem. Amp cuts out with more power (not volume)
  26. Yamaha R-2000 volume control
  27. Goldmund clone on the bay
  28. Quad 303 - Repair/Upgrade
  29. Building "The Wire AMP" Class A/AB Power Amplifier"
  30. Noise measurement conversion
  31. Question about preamp input impedance
  32. Tight-wad amplifier suggestions
  33. Squeal on turning off Rotel.
  34. Old Transistors
  35. board suggestion for given PSU (+/-45v or +/- 90v)
  36. Help Definitive Technology supercube 2
  37. help repair amplifier
  38. Adding DC Protection to a CA P500 Power-Amp
  39. problem with my loudspeaker protection circuit
  40. Class A amp based on STK 3102-III
  41. Selling transistors 2SK1530-2sj201
  42. Which amp ??
  43. Upgrading output devices and prefinals on Dyna PM1
  44. Yamaha CR2020
  45. Bias speader for single ended front end
  46. Mark Levinson JC2 and ML1 modules
  47. A different buffer
  48. Active filter - Loudness
  49. High quality audio amplifier to 100W
  50. Project: Upgrading Mitsubishi DA-A10 to DA-A15
  51. Please help... Yamaha AV Receiver RX-V550 not turning
  52. sansui a700 service manual wanted
  53. Dyson 'ring' fans; how do they work?
  54. Adding Gain Control to a Power-Amp
  55. Picking replacement output devices for Yamaha M-45
  56. Erm, what is mine?
  57. A little help please
  58. Nad 3130 Toast
  59. Degeneration resistors in long tailed pair
  60. Adcom 535 popping
  61. Amp distortion
  62. IRFP450 for output stage
  63. Fun Day
  64. Help needed for constant current source design.
  65. looking for a bridging adapter for power amplifier
  66. LF Ebay Speaker Protection Circuit
  67. Transistor audio ckt & service manual
  68. What Else Can Be Upgraded?
  69. Why bd139 Vbe multiplier?
  70. Aesthetix Atlas - Stereo Power Amplifier - who have heard ?
  71. Direct-coupled amplifier circuit
  72. Popping Crate GX-130C
  73. CPU Coolers on Ebay: junk or not?
  74. DIY STK-0050 module.
  75. Technics SU-Z25
  76. Sumo andromeda series 3 with bad channel
  77. DIY AMP For Auratone
  78. QED Vintage Amp ...
  79. BEST HIGH END POWER SUPPLY OF 35VDC
  80. Plate amp mod
  81. Impedance
  82. Which filter topology do you prefer?
  83. Transistor help for Sony STR-6120
  84. PREAMPLIFIER USHER P307 A
  85. burning hot amp!
  86. TO FUSE OR NOT TO FUSE?
  87. Advice on cheap amplifier repair
  88. My LME49600/49610 PCB design
  89. Low volume issue with Power Amp
  90. Ebay L150W FET Power Amplifier Board IRFP240*6
  91. Best 680uf / 250V capacitor
  92. Can anyone identify this IC package?
  93. Kenwood KA-907
  94. Looking for thread with the attached image
  95. help with warm up noise?
  96. Onkyo TX-SR607 repair
  97. PerfectA Mosfet Power Amp
  98. Fitting Big Capacitors in a QUAD 405
  99. Scrap amp
  100. Onkyo A-RV401
  101. Datasheets for Technics amplifier modules?
  102. Replacing old tube preamp on 1962 Magnavox
  103. High performance feedback for "Lowtech" amplifiers
  104. layout question
  105. HCA 1206
  106. Active highpass filter
  107. Martin Logan Dynamo 700 Plate Amp Issues
  108. Insane Hybrid Headphone Amp (IHHA)
  109. LME49830 PCB...
  110. Cambridge A500 help needed
  111. puzzled
  112. can I use a y-cable
  113. Help needed- slight noise after mod.
  114. BF871 and bf872 equivalent?
  115. Amplifier Issues....
  116. Schematic for Heathkit AR 1214
  117. Sansui G5700 Heat Problem
  118. audiolab 8000A ?
  119. i need service manual for soundcraft sa-1000
  120. Telos 390 clone PCB
  121. Yamaha A-720 amp and the loudness control
  122. Leak Delta 30 amp HELP!!
  123. 637 Amplifiers
  124. reducing thd
  125. Can anyone help with an old ETI magazine article ??
  126. One channel silent - until you increase the volume slightly - on two different amps!
  127. Single BJT amplifier ?
  128. A and T labs K6 amplifier
  129. EP4000 fan mod part number
  130. First Amp, where to start?
  131. adding ground wire to reduce periodic huming noise?
  132. Headphones as an ultimate reference
  133. Sony ta-fb940r humming after transformer replacement 5 connections on sec output ??
  134. help
  135. a complete amplifier
  136. Hartke 3500 Mosfet TA
  137. attenuator dB to reistance calculation
  138. Conn Organ Post Amp to Power Amp Question
  139. Maplin 1kw mosfet amp build thread
  140. Upgrade of a Technics A-800C MK2
  141. Questions about 400W mono amplfier
  142. this circuit will work?
  143. Current mirror using N-MOS 75N75
  144. DIY Project - Nytech CPA602 today ...
  145. Who has listened to the B&K 200.2 amp?
  146. Bryston 3BST operating conditions
  147. old amp need some help
  148. P3A problem - DC at output
  149. parasound hca 1000 blows fuses
  150. carver m1.5t ground hum
  151. High Power Zenquito PCB group buy?
  152. Online shop
  153. NJM4558 and clones - what is minimum supply voltage ?
  154. QUAD 405 main board fuse blow
  155. adjusting VBe
  156. Vertical MOSFETs for a PA amplifier OP
  157. Jvc RX709V Clicking
  158. Dx Super A - a module to be coupled to Dx amplifiers
  159. NAD C370 distorted sound on both channels
  160. Hafler 9505- Bias adjustment
  161. Lets talk about transconductance amplifiers
  162. Class A amp with fully symmetric design using only NPN output transistor
  163. JVC A-K100 Schematic
  164. Another Adcom Amp Question
  165. help with EV 7600 power amp
  166. Do you like listening to distortion?
  167. cyrus 2 repaint colour idea ??
  168. Denon AVR upgrades
  169. Powering an NCC200 frontend...
  170. Home made Cyrus PSX
  171. QUAD 606 MKI
  172. NJL4302/4281 Discontinued.
  173. Where can one buy the Leach Amplifier PCBs ?
  174. cyrus 3 amplifier cutting out
  175. Dx Turbo, the ultimate amplifier to be released before july 2013
  176. Dac 12v for car
  177. Proceed Amp troubleshooting / refurbish
  178. PTEC VI Power Amplifier
  179. troubleshooting old pionner GM-H100 :confused:
  180. I have a question with this amp
  181. Suggestions for mono block amplifier?
  182. HOW TO MAKE A PROPER AMPLIFIER
  183. PA Amplifier comparision
  184. All P-channel Regulator For TSSA Split Supply?
  185. Sherwood RV-8070R
  186. Power Amplifier
  187. Tekko dreams up another poweramp
  188. Help with a 6 channel board
  189. Recommended Speaker Protect Kits ???
  190. how to remove stains in your AMP
  191. DxXs - I am having ideas, things to play...the brain last neuronium is working hard
  192. QUAD 405 power off noise
  193. BC142/143 transistor replacement
  194. Problem with Biema FW900
  195. Tweeter Class A Amp
  196. DC offset
  197. Is 200W possible with simple topology ?
  198. Bypassing tone switch on Rotel RA-931 and RA-930AX
  199. Blown power filter cap
  200. Nytech ca252 help request!
  201. Monrio Asty Dual Mono Mosfet replacements
  202. Some more Wireless World articles archived
  203. Sanken 2SC2922/2SA1216
  204. LOUDSPEAKER PROTECTION
  205. Hafler P3000 -67V on output
  206. Opinions on a Concept
  207. Crowned
  208. Adcom GFA-555 Cap Question: 50V vs 63V
  209. Mark Levinson 333 output transistors
  210. ESP P27 PCB - Needs checking
  211. bridging amplifier with input transformers
  212. P3A-More upgrades
  213. only four stage AMP
  214. Which transistor is good one
  215. OPA2132P vs OPA2132PA WHAT'S THE DIFFERENCE?
  216. Power Supply ceramic caps burnt
  217. Crate PA head Oscillation at low volume
  218. Leak 2200 maintenance
  219. Biasing Hartke HA 7000
  220. Need help with IC connection
  221. Accidental Death of a DoZ...
  222. Elements between PCB-GND and Mains Earth in SolidState Power Amps - How to Calculate?
  223. power section pops like frying bacon
  224. Any idea at all how the AD8656 OPAMP compares to the AD8620?
  225. Repaired and tested LabGruppen 1000
  226. SONY Is it really true?
  227. Amplifier Simplicity and technology...
  228. Inverting stage not working...help!
  229. Luxman L100 repair
  230. DIY upgrading Meitner MTR-101
  231. should I buy this amp?
  232. 2 ohm with 100W class AB or D amplifier
  233. Ovation e-Amp is Completed
  234. metal film resistors
  235. Using power BJT's beyond their rated (but below their measured) Vceo?
  236. QED A 240 SA Restoration Project
  237. NAD 3240 PE Stereo Amplifier Blows Fuses Immediately
  238. Second attempt at Building my own amp from scratch
  239. Dx Disintegrated Circuit - Dx Dc
  240. Cairn Aria HE
  241. About to Replace Filter Capacitors with Different Type- Help Needed!
  242. What happens with bipolar Rbb as a function of collector current?
  243. would need more data on this amplifier
  244. New to DIY audio, and need some help
  245. Sansui AU-X517R repair and restoration
  246. LSK389 best working points?
  247. Big difference in amps - tag/rotel has me confused
  248. NEW MODEL > LG - ALLIEN
  249. Logitech Amp Reuse
  250. Panasonic FC caps for Class A amp power supply??

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