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  1. Plate amp mod
  2. Impedance
  3. Which filter topology do you prefer?
  4. Transistor help for Sony STR-6120
  5. PREAMPLIFIER USHER P307 A
  6. burning hot amp!
  7. TO FUSE OR NOT TO FUSE?
  8. Advice on cheap amplifier repair
  9. My LME49600/49610 PCB design
  10. Low volume issue with Power Amp
  11. Ebay L150W FET Power Amplifier Board IRFP240*6
  12. Best 680uf / 250V capacitor
  13. Can anyone identify this IC package?
  14. Kenwood KA-907
  15. Looking for thread with the attached image
  16. help with warm up noise?
  17. Onkyo TX-SR607 repair
  18. PerfectA Mosfet Power Amp
  19. Fitting Big Capacitors in a QUAD 405
  20. Scrap amp
  21. Onkyo A-RV401
  22. Datasheets for Technics amplifier modules?
  23. Replacing old tube preamp on 1962 Magnavox
  24. High performance feedback for "Lowtech" amplifiers
  25. layout question
  26. HCA 1206
  27. Active highpass filter
  28. Martin Logan Dynamo 700 Plate Amp Issues
  29. Insane Hybrid Headphone Amp (IHHA)
  30. LME49830 PCB...
  31. Cambridge A500 help needed
  32. puzzled
  33. can I use a y-cable
  34. Help needed- slight noise after mod.
  35. BF871 and bf872 equivalent?
  36. Amplifier Issues....
  37. Schematic for Heathkit AR 1214
  38. Sansui G5700 Heat Problem
  39. audiolab 8000A ?
  40. i need service manual for soundcraft sa-1000
  41. Telos 390 clone PCB
  42. Yamaha A-720 amp and the loudness control
  43. Leak Delta 30 amp HELP!!
  44. 637 Amplifiers
  45. reducing thd
  46. Can anyone help with an old ETI magazine article ??
  47. One channel silent - until you increase the volume slightly - on two different amps!
  48. Single BJT amplifier ?
  49. A and T labs K6 amplifier
  50. EP4000 fan mod part number
  51. First Amp, where to start?
  52. adding ground wire to reduce periodic huming noise?
  53. Headphones as an ultimate reference
  54. Sony ta-fb940r humming after transformer replacement 5 connections on sec output ??
  55. help
  56. a complete amplifier
  57. Hartke 3500 Mosfet TA
  58. attenuator dB to reistance calculation
  59. Conn Organ Post Amp to Power Amp Question
  60. Maplin 1kw mosfet amp build thread
  61. Upgrade of a Technics A-800C MK2
  62. Questions about 400W mono amplfier
  63. this circuit will work?
  64. Current mirror using N-MOS 75N75
  65. DIY Project - Nytech CPA602 today ...
  66. Who has listened to the B&K 200.2 amp?
  67. Bryston 3BST operating conditions
  68. old amp need some help
  69. P3A problem - DC at output
  70. parasound hca 1000 blows fuses
  71. carver m1.5t ground hum
  72. High Power Zenquito PCB group buy?
  73. Online shop
  74. NJM4558 and clones - what is minimum supply voltage ?
  75. QUAD 405 main board fuse blow
  76. adjusting VBe
  77. Vertical MOSFETs for a PA amplifier OP
  78. Jvc RX709V Clicking
  79. Dx Super A - a module to be coupled to Dx amplifiers
  80. NAD C370 distorted sound on both channels
  81. Hafler 9505- Bias adjustment
  82. Lets talk about transconductance amplifiers
  83. Class A amp with fully symmetric design using only NPN output transistor
  84. JVC A-K100 Schematic
  85. Another Adcom Amp Question
  86. help with EV 7600 power amp
  87. Do you like listening to distortion?
  88. cyrus 2 repaint colour idea ??
  89. Denon AVR upgrades
  90. Powering an NCC200 frontend...
  91. Home made Cyrus PSX
  92. QUAD 606 MKI
  93. NJL4302/4281 Discontinued.
  94. Where can one buy the Leach Amplifier PCBs ?
  95. cyrus 3 amplifier cutting out
  96. Dx Turbo, the ultimate amplifier to be released before july 2013
  97. Dac 12v for car
  98. Proceed Amp troubleshooting / refurbish
  99. PTEC VI Power Amplifier
  100. troubleshooting old pionner GM-H100 :confused:
  101. I have a question with this amp
  102. Suggestions for mono block amplifier?
  103. HOW TO MAKE A PROPER AMPLIFIER
  104. PA Amplifier comparision
  105. All P-channel Regulator For TSSA Split Supply?
  106. Sherwood RV-8070R
  107. Power Amplifier
  108. Tekko dreams up another poweramp
  109. Help with a 6 channel board
  110. Recommended Speaker Protect Kits ???
  111. how to remove stains in your AMP
  112. DxXs - I am having ideas, things to play...the brain last neuronium is working hard
  113. QUAD 405 power off noise
  114. BC142/143 transistor replacement
  115. Problem with Biema FW900
  116. Tweeter Class A Amp
  117. DC offset
  118. Is 200W possible with simple topology ?
  119. Bypassing tone switch on Rotel RA-931 and RA-930AX
  120. Blown power filter cap
  121. Nytech ca252 help request!
  122. Monrio Asty Dual Mono Mosfet replacements
  123. Some more Wireless World articles archived
  124. Sanken 2SC2922/2SA1216
  125. LOUDSPEAKER PROTECTION
  126. Hafler P3000 -67V on output
  127. Opinions on a Concept
  128. Crowned
  129. Adcom GFA-555 Cap Question: 50V vs 63V
  130. Mark Levinson 333 output transistors
  131. ESP P27 PCB - Needs checking
  132. bridging amplifier with input transformers
  133. P3A-MORE UPGRADES
  134. only four stage AMP
  135. Which transistor is good one
  136. OPA2132P vs OPA2132PA WHAT'S THE DIFFERENCE?
  137. Power Supply ceramic caps burnt
  138. Crate PA head Oscillation at low volume
  139. Leak 2200 maintenance
  140. Biasing Hartke HA 7000
  141. Need help with IC connection
  142. Accidental Death of a DoZ...
  143. Elements between PCB-GND and Mains Earth in SolidState Power Amps - How to Calculate?
  144. power section pops like frying bacon
  145. Any idea at all how the AD8656 OPAMP compares to the AD8620?
  146. Repaired and tested LabGruppen 1000
  147. SONY Is it really true?
  148. Amplifier Simplicity and technology...
  149. Inverting stage not working...help!
  150. Luxman L100 repair
  151. DIY upgrading Meitner MTR-101
  152. should I buy this amp?
  153. 2 ohm with 100W class AB or D amplifier
  154. Ovation e-Amp is Completed
  155. metal film resistors
  156. Using power BJT's beyond their rated (but below their measured) Vceo?
  157. QED A 240 SA Restoration Project
  158. NAD 3240 PE Stereo Amplifier Blows Fuses Immediately
  159. Second attempt at Building my own amp from scratch
  160. Dx Disintegrated Circuit - Dx Dc
  161. Cairn Aria HE
  162. About to Replace Filter Capacitors with Different Type- Help Needed!
  163. What happens with bipolar Rbb as a function of collector current?
  164. would need more data on this amplifier
  165. New to DIY audio, and need some help
  166. Sansui AU-X517R repair and restoration
  167. LSK389 best working points?
  168. Big difference in amps - tag/rotel has me confused
  169. NEW MODEL > LG - ALLIEN
  170. Logitech Amp Reuse
  171. Panasonic FC caps for Class A amp power supply??
  172. DENON POA-6600
  173. Equivalent transistors
  174. NAD 906 silent
  175. Major modification design help needed
  176. HIFI 700W Subwoofer Mono Amplifier Board By 10 Pairs 1943/5200 Amp Board For Subwoofe
  177. Balanced to unbalanced schematic, is this one good?
  178. Altec 9440A how does it sound ?
  179. KSA-50S no sound problem- please help
  180. WSF and DMOSFET´s
  181. DC OFFSET AT ROTEL
  182. acurus amp bias
  183. Denon AVR-5805 firmware needed
  184. Amp not amping? o.O
  185. amplifier biasing help
  186. How to lower the gain of this headphone amp
  187. The EasyWay AMP
  188. Kenwood A-5S stereo amplidier
  189. can you hear the ringing?
  190. Phase Linear 4000 Series I Transistors
  191. Needed: Amplifier schematic, 4.5V to 9V supply
  192. Carver M-1.0t Repairs
  193. How much VAS current
  194. Cambridge Audio A1 MK3 SE repair (TDA1514 chips burned)
  195. Biasing EF output class B amps...
  196. Design for SS amplifier with OPT
  197. bridgin 2 channel amplifier with output transformer:Mcintosh style
  198. Technics SU-7100
  199. replacing TIP36C transistor with 2SC5200
  200. Transistor matching Questions; Again
  201. question about amplifier push|pull
  202. How Do You Perceive THD at HF?
  203. amplifier Kenwood A-5S
  204. power amp kit , L6 VS L7 VS QUAD 45
  205. Rate these Caps
  206. Aragon 24K sp PreAmp by Mondial Designs, possiblity for component/wiring upgrades?
  207. New guy with questions about Adcom 545 recap
  208. Help(tri-amping): Too much gain in my ATC power amp
  209. N-mos Power Amp , my project need some help , Thanks .
  210. Bridging a SS amp with a tuber inverter section
  211. Static in fender stage 1600
  212. STRANGE CAPACITOR
  213. sub woofer
  214. mixer and crosstalk
  215. clipping indicator
  216. The Top Three DIY Amplifiers
  217. The Keantoken Amplifier
  218. Simple Killer Amp, Aspen Amps, Aussie Amps
  219. quad 33 comments please
  220. Krell KSA-100S left channel getting hot
  221. bridging B5 yamaha amplifier
  222. Amp for Pod 2.0 & Zoom 9003 with TA8252H
  223. Faulty Yamaha DSP-A2070
  224. Mod: move if needed: amp without SS or tubes?
  225. Got a Yamaha AX-500U for $25.00
  226. 250W Simple Power Amp Project ??
  227. old school amplifier Pioneer GM4200 SQ
  228. Carver PM1.5 problem
  229. Simple amp circuit obsevations
  230. Some questions about Yamaha R-S700 receiver
  231. New home brew amp module
  232. ezDAC Site Back Up
  233. Use a Pioneer A400 as a Power Amplifier
  234. JLH Class A headphone amp from eBay...setting bias/output help needed
  235. Creek 4330R Integrated Amp
  236. NAD 705 strange behaviour, intermittent fault?
  237. 47 Labs 0347 amplifier
  238. Mc2505
  239. Manual Service mc2505 seral AT
  240. 2 Channel SS is Awesome!!
  241. Sony TA-VE700 schematic
  242. Another Extrema 100watt class A power amplifier
  243. Hum on Avondale NCC200 derivative amp
  244. PLENTY OF IXTK 62N25 mega mosfets
  245. Hafler DH-220 one channel out, no bias
  246. Doz Output capacitor
  247. NAD T762
  248. Need Help. Woofer gets pushed out and hum when I turn on amp
  249. Citation Twelve Deluxe Repair
  250. The YAPA150 - Yet Another Power Amplifier

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