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  1. Cambridge A500 help needed
  2. puzzled
  3. can I use a y-cable
  4. Help needed- slight noise after mod.
  5. BF871 and bf872 equivalent?
  6. Amplifier Issues....
  7. Schematic for Heathkit AR 1214
  8. Sansui G5700 Heat Problem
  9. audiolab 8000A ?
  10. i need service manual for soundcraft sa-1000
  11. Telos 390 clone PCB
  12. Yamaha A-720 amp and the loudness control
  13. Leak Delta 30 amp HELP!!
  14. 637 Amplifiers
  15. reducing thd
  16. Can anyone help with an old ETI magazine article ??
  17. One channel silent - until you increase the volume slightly - on two different amps!
  18. Single BJT amplifier ?
  19. A and T labs K6 amplifier
  20. EP4000 fan mod part number
  21. First Amp, where to start?
  22. adding ground wire to reduce periodic huming noise?
  23. Headphones as an ultimate reference
  24. Sony ta-fb940r humming after transformer replacement 5 connections on sec output ??
  25. help
  26. a complete amplifier
  27. Hartke 3500 Mosfet TA
  28. attenuator dB to reistance calculation
  29. Conn Organ Post Amp to Power Amp Question
  30. Maplin 1kw mosfet amp build thread
  31. Upgrade of a Technics A-800C MK2
  32. Questions about 400W mono amplfier
  33. this circuit will work?
  34. Current mirror using N-MOS 75N75
  35. DIY Project - Nytech CPA602 today ...
  36. Who has listened to the B&K 200.2 amp?
  37. Bryston 3BST operating conditions
  38. old amp need some help
  39. P3A problem - DC at output
  40. parasound hca 1000 blows fuses
  41. carver m1.5t ground hum
  42. High Power Zenquito PCB group buy?
  43. Online shop
  44. NJM4558 and clones - what is minimum supply voltage ?
  45. QUAD 405 main board fuse blow
  46. adjusting VBe
  47. Vertical MOSFETs for a PA amplifier OP
  48. Jvc RX709V Clicking
  49. Dx Super A - a module to be coupled to Dx amplifiers
  50. NAD C370 distorted sound on both channels
  51. Hafler 9505- Bias adjustment
  52. Lets talk about transconductance amplifiers
  53. Class A amp with fully symmetric design using only NPN output transistor
  54. JVC A-K100 Schematic
  55. Another Adcom Amp Question
  56. help with EV 7600 power amp
  57. Do you like listening to distortion?
  58. cyrus 2 repaint colour idea ??
  59. Denon AVR upgrades
  60. Powering an NCC200 frontend...
  61. Home made Cyrus PSX
  62. QUAD 606 MKI
  63. NJL4302/4281 Discontinued.
  64. Where can one buy the Leach Amplifier PCBs ?
  65. cyrus 3 amplifier cutting out
  66. Dx Turbo, the ultimate amplifier to be released before july 2013
  67. Dac 12v for car
  68. Proceed Amp troubleshooting / refurbish
  69. PTEC VI Power Amplifier
  70. troubleshooting old pionner GM-H100 :confused:
  71. I have a question with this amp
  72. Suggestions for mono block amplifier?
  73. HOW TO MAKE A PROPER AMPLIFIER
  74. PA Amplifier comparision
  75. All P-channel Regulator For TSSA Split Supply?
  76. Sherwood RV-8070R
  77. Power Amplifier
  78. Tekko dreams up another poweramp
  79. Help with a 6 channel board
  80. Recommended Speaker Protect Kits ???
  81. how to remove stains in your AMP
  82. DxXs - I am having ideas, things to play...the brain last neuronium is working hard
  83. QUAD 405 power off noise
  84. BC142/143 transistor replacement
  85. Problem with Biema FW900
  86. Tweeter Class A Amp
  87. DC offset
  88. Is 200W possible with simple topology ?
  89. Bypassing tone switch on Rotel RA-931 and RA-930AX
  90. Blown power filter cap
  91. Nytech ca252 help request!
  92. Monrio Asty Dual Mono Mosfet replacements
  93. Some more Wireless World articles archived
  94. Sanken 2SC2922/2SA1216
  95. LOUDSPEAKER PROTECTION
  96. Hafler P3000 -67V on output
  97. Opinions on a Concept
  98. Crowned
  99. Adcom GFA-555 Cap Question: 50V vs 63V
  100. Mark Levinson 333 output transistors
  101. ESP P27 PCB - Needs checking
  102. bridging amplifier with input transformers
  103. P3A-MORE UPGRADES
  104. only four stage AMP
  105. Which transistor is good one
  106. OPA2132P vs OPA2132PA WHAT'S THE DIFFERENCE?
  107. Power Supply ceramic caps burnt
  108. Crate PA head Oscillation at low volume
  109. Leak 2200 maintenance
  110. Biasing Hartke HA 7000
  111. Need help with IC connection
  112. Accidental Death of a DoZ...
  113. Elements between PCB-GND and Mains Earth in SolidState Power Amps - How to Calculate?
  114. power section pops like frying bacon
  115. Any idea at all how the AD8656 OPAMP compares to the AD8620?
  116. Repaired and tested LabGruppen 1000
  117. SONY Is it really true?
  118. Amplifier Simplicity and technology...
  119. Inverting stage not working...help!
  120. Luxman L100 repair
  121. DIY upgrading Meitner MTR-101
  122. should I buy this amp?
  123. 2 ohm with 100W class AB or D amplifier
  124. Ovation e-Amp is Completed
  125. metal film resistors
  126. Using power BJT's beyond their rated (but below their measured) Vceo?
  127. QED A 240 SA Restoration Project
  128. NAD 3240 PE Stereo Amplifier Blows Fuses Immediately
  129. Second attempt at Building my own amp from scratch
  130. Dx Disintegrated Circuit - Dx Dc
  131. Cairn Aria HE
  132. About to Replace Filter Capacitors with Different Type- Help Needed!
  133. What happens with bipolar Rbb as a function of collector current?
  134. would need more data on this amplifier
  135. New to DIY audio, and need some help
  136. Sansui AU-X517R repair and restoration
  137. LSK389 best working points?
  138. Big difference in amps - tag/rotel has me confused
  139. NEW MODEL > LG - ALLIEN
  140. Logitech Amp Reuse
  141. Panasonic FC caps for Class A amp power supply??
  142. DENON POA-6600
  143. Equivalent transistors
  144. NAD 906 silent
  145. Major modification design help needed
  146. HIFI 700W Subwoofer Mono Amplifier Board By 10 Pairs 1943/5200 Amp Board For Subwoofe
  147. Balanced to unbalanced schematic, is this one good?
  148. Altec 9440A how does it sound ?
  149. KSA-50S no sound problem- please help
  150. WSF and DMOSFET´s
  151. DC OFFSET AT ROTEL
  152. acurus amp bias
  153. Denon AVR-5805 firmware needed
  154. Amp not amping? o.O
  155. amplifier biasing help
  156. How to lower the gain of this headphone amp
  157. The EasyWay AMP
  158. Kenwood A-5S stereo amplidier
  159. can you hear the ringing?
  160. Phase Linear 4000 Series I Transistors
  161. Needed: Amplifier schematic, 4.5V to 9V supply
  162. Carver M-1.0t Repairs
  163. How much VAS current
  164. Cambridge Audio A1 MK3 SE repair (TDA1514 chips burned)
  165. Biasing EF output class B amps...
  166. Design for SS amplifier with OPT
  167. bridgin 2 channel amplifier with output transformer:Mcintosh style
  168. Technics SU-7100
  169. replacing TIP36C transistor with 2SC5200
  170. Transistor matching Questions; Again
  171. question about amplifier push|pull
  172. How Do You Perceive THD at HF?
  173. amplifier Kenwood A-5S
  174. power amp kit , L6 VS L7 VS QUAD 45
  175. Rate these Caps
  176. Aragon 24K sp PreAmp by Mondial Designs, possiblity for component/wiring upgrades?
  177. New guy with questions about Adcom 545 recap
  178. Help(tri-amping): Too much gain in my ATC power amp
  179. N-mos Power Amp , my project need some help , Thanks .
  180. Bridging a SS amp with a tuber inverter section
  181. Static in fender stage 1600
  182. STRANGE CAPACITOR
  183. sub woofer
  184. mixer and crosstalk
  185. clipping indicator
  186. The Top Three DIY Amplifiers
  187. The Keantoken Amplifier
  188. Simple Killer Amp, Aspen Amps, Aussie Amps
  189. quad 33 comments please
  190. Krell KSA-100S left channel getting hot
  191. bridging B5 yamaha amplifier
  192. Amp for Pod 2.0 & Zoom 9003 with TA8252H
  193. Faulty Yamaha DSP-A2070
  194. Mod: move if needed: amp without SS or tubes?
  195. Got a Yamaha AX-500U for $25.00
  196. 250W Simple Power Amp Project ??
  197. old school amplifier Pioneer GM4200 SQ
  198. Carver PM1.5 problem
  199. Simple amp circuit obsevations
  200. Some questions about Yamaha R-S700 receiver
  201. New home brew amp module
  202. ezDAC Site Back Up
  203. Use a Pioneer A400 as a Power Amplifier
  204. JLH Class A headphone amp from eBay...setting bias/output help needed
  205. Creek 4330R Integrated Amp
  206. NAD 705 strange behaviour, intermittent fault?
  207. 47 Labs 0347 amplifier
  208. Mc2505
  209. Manual Service mc2505 seral AT
  210. 2 Channel SS is Awesome!!
  211. Sony TA-VE700 schematic
  212. Another Extrema 100watt class A power amplifier
  213. Hum on Avondale NCC200 derivative amp
  214. PLENTY OF IXTK 62N25 mega mosfets
  215. Hafler DH-220 one channel out, no bias
  216. Doz Output capacitor
  217. NAD T762
  218. Need Help. Woofer gets pushed out and hum when I turn on amp
  219. Citation Twelve Deluxe Repair
  220. The YAPA150 - Yet Another Power Amplifier
  221. Replacement motorized volume control
  222. 1500 watts ab class 2 ohms
  223. LM4562 Oscillation
  224. Supercapacitors as power source ?
  225. No sound > crank the gain > sound pops on and works fine. What causes this??
  226. ultimate Fidility amp with new VAS.(breaking barriers <10ma Standby current)
  227. need help - modded amp blowing fuses
  228. Ultimate Classb amp New VAS
  229. Coupling capacitors
  230. Bias Current Class AB Amplifier - More Always Better?
  231. What would be proper way to split signal from pre-amp into 3 amplifiers?
  232. Amplifier Trial Design with 18V to 35V Supply
  233. ADCOM GTP-500 Help (please?)
  234. Thomann t amp S-150
  235. Tekko builds OnAudio's SYMEF Amplifier
  236. pc set up, need help with a 2.1 set up.
  237. Mc Intosh 2105
  238. Exicon double die MOSFET
  239. denon avr-1906 thump problem (weird)
  240. What kind of feedback do you call this?
  241. leak stereo 30 plus caps
  242. MJL21193-94 Amplifier Design Suggestion
  243. Phonic MAR 1
  244. 120W amplifier
  245. Weak Phono on HK690i
  246. Bipolar Power Amp With Single Ended Input Stage Inpired by Mooly
  247. Build 31 band equalizer use TL072 OPAMP
  248. CS-800C
  249. Denon DR220 Cassette Deck Schematic
  250. Anyone install Hafler DH-500 upgrade kits sold on eBay?

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