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  1. Newbie with a problem. Amp cuts out with more power (not volume)
  2. Yamaha R-2000 volume control
  3. Goldmund clone on the bay
  4. Quad 303 - Repair/Upgrade
  5. Building "The Wire AMP" Class A/AB Power Amplifier"
  6. Noise measurement conversion
  7. Question about preamp input impedance
  8. Tight-wad amplifier suggestions
  9. Squeal on turning off Rotel.
  10. Old Transistors
  11. board suggestion for given PSU (+/-45v or +/- 90v)
  12. Help Definitive Technology supercube 2
  13. help repair amplifier
  14. Adding DC Protection to a CA P500 Power-Amp
  15. problem with my loudspeaker protection circuit
  16. Class A amp based on STK 3102-III
  17. Selling transistors 2SK1530-2sj201
  18. Which amp ??
  19. Upgrading output devices and prefinals on Dyna PM1
  20. Yamaha CR2020
  21. Bias speader for single ended front end
  22. DIY newb bias question (100w guitar/bass amp)
  23. Mark Levinson JC2 and ML1 modules
  24. A different buffer
  25. Active filter - Loudness
  26. High quality audio amplifier to 100W
  27. Project: Upgrading Mitsubishi DA-A10 to DA-A15
  28. Please help... Yamaha AV Receiver RX-V550 not turning
  29. sansui a700 service manual wanted
  30. Dyson 'ring' fans; how do they work?
  31. Adding Gain Control to a Power-Amp
  32. Picking replacement output devices for Yamaha M-45
  33. Erm, what is mine?
  34. A little help please
  35. Nad 3130 Toast
  36. Degeneration resistors in long tailed pair
  37. Adcom 535 popping
  38. Amp distortion
  39. IRFP450 for output stage
  40. Fun Day
  41. Help needed for constant current source design.
  42. looking for a bridging adapter for power amplifier
  43. LF Ebay Speaker Protection Circuit
  44. Transistor audio ckt & service manual
  45. What Else Can Be Upgraded?
  46. Why bd139 Vbe multiplier?
  47. Aesthetix Atlas - Stereo Power Amplifier - who have heard ?
  48. Direct-coupled amplifier circuit
  49. Popping Crate GX-130C
  50. CPU Coolers on Ebay: junk or not?
  51. DIY STK-0050 module.
  52. Technics SU-Z25
  53. Sumo andromeda series 3 with bad channel
  54. DIY AMP For Auratone
  55. QED Vintage Amp ...
  56. BEST HIGH END POWER SUPPLY OF 35VDC
  57. Plate amp mod
  58. Impedance
  59. Which filter topology do you prefer?
  60. Transistor help for Sony STR-6120
  61. PREAMPLIFIER USHER P307 A
  62. burning hot amp!
  63. TO FUSE OR NOT TO FUSE?
  64. Advice on cheap amplifier repair
  65. My LME49600/49610 PCB design
  66. Low volume issue with Power Amp
  67. Ebay L150W FET Power Amplifier Board IRFP240*6
  68. Best 680uf / 250V capacitor
  69. Can anyone identify this IC package?
  70. Kenwood KA-907
  71. Looking for thread with the attached image
  72. help with warm up noise?
  73. Onkyo TX-SR607 repair
  74. PerfectA Mosfet Power Amp
  75. Fitting Big Capacitors in a QUAD 405
  76. Scrap amp
  77. Onkyo A-RV401
  78. Datasheets for Technics amplifier modules?
  79. Replacing old tube preamp on 1962 Magnavox
  80. High performance feedback for "Lowtech" amplifiers
  81. layout question
  82. HCA 1206
  83. Active highpass filter
  84. Martin Logan Dynamo 700 Plate Amp Issues
  85. Insane Hybrid Headphone Amp (IHHA)
  86. LME49830 PCB...
  87. Cambridge A500 help needed
  88. puzzled
  89. can I use a y-cable
  90. Help needed- slight noise after mod.
  91. BF871 and bf872 equivalent?
  92. Amplifier Issues....
  93. Schematic for Heathkit AR 1214
  94. Sansui G5700 Heat Problem
  95. audiolab 8000A ?
  96. i need service manual for soundcraft sa-1000
  97. Telos 390 clone PCB
  98. Yamaha A-720 amp and the loudness control
  99. Leak Delta 30 amp HELP!!
  100. 637 Amplifiers
  101. reducing thd
  102. Can anyone help with an old ETI magazine article ??
  103. One channel silent - until you increase the volume slightly - on two different amps!
  104. Single BJT amplifier ?
  105. A and T labs K6 amplifier
  106. EP4000 fan mod part number
  107. First Amp, where to start?
  108. adding ground wire to reduce periodic huming noise?
  109. Headphones as an ultimate reference
  110. Sony ta-fb940r humming after transformer replacement 5 connections on sec output ??
  111. help
  112. a complete amplifier
  113. Hartke 3500 Mosfet TA
  114. attenuator dB to reistance calculation
  115. Conn Organ Post Amp to Power Amp Question
  116. Maplin 1kw mosfet amp build thread
  117. Upgrade of a Technics A-800C MK2
  118. Questions about 400W mono amplfier
  119. this circuit will work?
  120. Current mirror using N-MOS 75N75
  121. DIY Project - Nytech CPA602 today ...
  122. Who has listened to the B&K 200.2 amp?
  123. Bryston 3BST operating conditions
  124. old amp need some help
  125. P3A problem - DC at output
  126. parasound hca 1000 blows fuses
  127. carver m1.5t ground hum
  128. High Power Zenquito PCB group buy?
  129. Online shop
  130. NJM4558 and clones - what is minimum supply voltage ?
  131. QUAD 405 main board fuse blow
  132. adjusting VBe
  133. Vertical MOSFETs for a PA amplifier OP
  134. Jvc RX709V Clicking
  135. Dx Super A - a module to be coupled to Dx amplifiers
  136. NAD C370 distorted sound on both channels
  137. Hafler 9505- Bias adjustment
  138. Lets talk about transconductance amplifiers
  139. Class A amp with fully symmetric design using only NPN output transistor
  140. JVC A-K100 Schematic
  141. Another Adcom Amp Question
  142. help with EV 7600 power amp
  143. Do you like listening to distortion?
  144. cyrus 2 repaint colour idea ??
  145. Denon AVR upgrades
  146. Powering an NCC200 frontend...
  147. Home made Cyrus PSX
  148. QUAD 606 MKI
  149. NJL4302/4281 Discontinued.
  150. Where can one buy the Leach Amplifier PCBs ?
  151. cyrus 3 amplifier cutting out
  152. Dx Turbo, the ultimate amplifier to be released before july 2013
  153. Dac 12v for car
  154. Proceed Amp troubleshooting / refurbish
  155. PTEC VI Power Amplifier
  156. troubleshooting old pionner GM-H100 :confused:
  157. I have a question with this amp
  158. Suggestions for mono block amplifier?
  159. HOW TO MAKE A PROPER AMPLIFIER
  160. PA Amplifier comparision
  161. All P-channel Regulator For TSSA Split Supply?
  162. Sherwood RV-8070R
  163. Power Amplifier
  164. Tekko dreams up another poweramp
  165. Help with a 6 channel board
  166. Recommended Speaker Protect Kits ???
  167. how to remove stains in your AMP
  168. DxXs - I am having ideas, things to play...the brain last neuronium is working hard
  169. QUAD 405 power off noise
  170. BC142/143 transistor replacement
  171. Problem with Biema FW900
  172. Tweeter Class A Amp
  173. DC offset
  174. Is 200W possible with simple topology ?
  175. Bypassing tone switch on Rotel RA-931 and RA-930AX
  176. Blown power filter cap
  177. Nytech ca252 help request!
  178. Monrio Asty Dual Mono Mosfet replacements
  179. Some more Wireless World articles archived
  180. Sanken 2SC2922/2SA1216
  181. LOUDSPEAKER PROTECTION
  182. Hafler P3000 -67V on output
  183. Opinions on a Concept
  184. Crowned
  185. Adcom GFA-555 Cap Question: 50V vs 63V
  186. Mark Levinson 333 output transistors
  187. ESP P27 PCB - Needs checking
  188. bridging amplifier with input transformers
  189. P3A-MORE UPGRADES
  190. only four stage AMP
  191. Which transistor is good one
  192. OPA2132P vs OPA2132PA WHAT'S THE DIFFERENCE?
  193. Power Supply ceramic caps burnt
  194. Crate PA head Oscillation at low volume
  195. Leak 2200 maintenance
  196. Biasing Hartke HA 7000
  197. Need help with IC connection
  198. Accidental Death of a DoZ...
  199. Elements between PCB-GND and Mains Earth in SolidState Power Amps - How to Calculate?
  200. power section pops like frying bacon
  201. Any idea at all how the AD8656 OPAMP compares to the AD8620?
  202. Repaired and tested LabGruppen 1000
  203. SONY Is it really true?
  204. Amplifier Simplicity and technology...
  205. Inverting stage not working...help!
  206. Luxman L100 repair
  207. DIY upgrading Meitner MTR-101
  208. should I buy this amp?
  209. 2 ohm with 100W class AB or D amplifier
  210. Ovation e-Amp is Completed
  211. metal film resistors
  212. Using power BJT's beyond their rated (but below their measured) Vceo?
  213. QED A 240 SA Restoration Project
  214. NAD 3240 PE Stereo Amplifier Blows Fuses Immediately
  215. Second attempt at Building my own amp from scratch
  216. Dx Disintegrated Circuit - Dx Dc
  217. Cairn Aria HE
  218. About to Replace Filter Capacitors with Different Type- Help Needed!
  219. What happens with bipolar Rbb as a function of collector current?
  220. would need more data on this amplifier
  221. New to DIY audio, and need some help
  222. Sansui AU-X517R repair and restoration
  223. LSK389 best working points?
  224. Big difference in amps - tag/rotel has me confused
  225. NEW MODEL > LG - ALLIEN
  226. Logitech Amp Reuse
  227. Panasonic FC caps for Class A amp power supply??
  228. DENON POA-6600
  229. Equivalent transistors
  230. NAD 906 silent
  231. Major modification design help needed
  232. HIFI 700W Subwoofer Mono Amplifier Board By 10 Pairs 1943/5200 Amp Board For Subwoofe
  233. Balanced to unbalanced schematic, is this one good?
  234. Altec 9440A how does it sound ?
  235. KSA-50S no sound problem- please help
  236. WSF and DMOSFET´s
  237. DC OFFSET AT ROTEL
  238. acurus amp bias
  239. Denon AVR-5805 firmware needed
  240. Amp not amping? o.O
  241. amplifier biasing help
  242. How to lower the gain of this headphone amp
  243. The EasyWay AMP
  244. Kenwood A-5S stereo amplidier
  245. can you hear the ringing?
  246. Phase Linear 4000 Series I Transistors
  247. Needed: Amplifier schematic, 4.5V to 9V supply
  248. Carver M-1.0t Repairs
  249. How much VAS current
  250. Cambridge Audio A1 MK3 SE repair (TDA1514 chips burned)

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