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  1. Mark Levinson 333 output transistors
  2. ESP P27 PCB - Needs checking
  3. bridging amplifier with input transformers
  4. P3A-MORE UPGRADES
  5. only four stage AMP
  6. Which transistor is good one
  7. OPA2132P vs OPA2132PA WHAT'S THE DIFFERENCE?
  8. Power Supply ceramic caps burnt
  9. Crate PA head Oscillation at low volume
  10. Leak 2200 maintenance
  11. Biasing Hartke HA 7000
  12. Need help with IC connection
  13. Accidental Death of a DoZ...
  14. Elements between PCB-GND and Mains Earth in SolidState Power Amps - How to Calculate?
  15. power section pops like frying bacon
  16. Any idea at all how the AD8656 OPAMP compares to the AD8620?
  17. Repaired and tested LabGruppen 1000
  18. SONY Is it really true?
  19. Amplifier Simplicity and technology...
  20. Inverting stage not working...help!
  21. Luxman L100 repair
  22. DIY upgrading Meitner MTR-101
  23. should I buy this amp?
  24. 2 ohm with 100W class AB or D amplifier
  25. Ovation e-Amp is Completed
  26. metal film resistors
  27. Using power BJT's beyond their rated (but below their measured) Vceo?
  28. QED A 240 SA Restoration Project
  29. NAD 3240 PE Stereo Amplifier Blows Fuses Immediately
  30. Second attempt at Building my own amp from scratch
  31. Dx Disintegrated Circuit - Dx Dc
  32. Cairn Aria HE
  33. About to Replace Filter Capacitors with Different Type- Help Needed!
  34. What happens with bipolar Rbb as a function of collector current?
  35. would need more data on this amplifier
  36. New to DIY audio, and need some help
  37. Sansui AU-X517R repair and restoration
  38. LSK389 best working points?
  39. Big difference in amps - tag/rotel has me confused
  40. NEW MODEL > LG - ALLIEN
  41. Logitech Amp Reuse
  42. Panasonic FC caps for Class A amp power supply??
  43. DENON POA-6600
  44. Equivalent transistors
  45. NAD 906 silent
  46. Major modification design help needed
  47. HIFI 700W Subwoofer Mono Amplifier Board By 10 Pairs 1943/5200 Amp Board For Subwoofe
  48. Balanced to unbalanced schematic, is this one good?
  49. Altec 9440A how does it sound ?
  50. KSA-50S no sound problem- please help
  51. WSF and DMOSFET´s
  52. DC OFFSET AT ROTEL
  53. acurus amp bias
  54. Denon AVR-5805 firmware needed
  55. Amp not amping? o.O
  56. amplifier biasing help
  57. How to lower the gain of this headphone amp
  58. The EasyWay AMP
  59. Kenwood A-5S stereo amplidier
  60. can you hear the ringing?
  61. Phase Linear 4000 Series I Transistors
  62. Needed: Amplifier schematic, 4.5V to 9V supply
  63. Carver M-1.0t Repairs
  64. How much VAS current
  65. Cambridge Audio A1 MK3 SE repair (TDA1514 chips burned)
  66. Biasing EF output class B amps...
  67. Design for SS amplifier with OPT
  68. bridgin 2 channel amplifier with output transformer:Mcintosh style
  69. Technics SU-7100
  70. replacing TIP36C transistor with 2SC5200
  71. Transistor matching Questions; Again
  72. question about amplifier push|pull
  73. How Do You Perceive THD at HF?
  74. amplifier Kenwood A-5S
  75. power amp kit , L6 VS L7 VS QUAD 45
  76. Rate these Caps
  77. Aragon 24K sp PreAmp by Mondial Designs, possiblity for component/wiring upgrades?
  78. New guy with questions about Adcom 545 recap
  79. Help(tri-amping): Too much gain in my ATC power amp
  80. N-mos Power Amp , my project need some help , Thanks .
  81. Bridging a SS amp with a tuber inverter section
  82. Static in fender stage 1600
  83. STRANGE CAPACITOR
  84. sub woofer
  85. mixer and crosstalk
  86. clipping indicator
  87. The Top Three DIY Amplifiers
  88. The Keantoken Amplifier
  89. Simple Killer Amp, Aspen Amps, Aussie Amps
  90. quad 33 comments please
  91. Krell KSA-100S left channel getting hot
  92. bridging B5 yamaha amplifier
  93. Amp for Pod 2.0 & Zoom 9003 with TA8252H
  94. Faulty Yamaha DSP-A2070
  95. Mod: move if needed: amp without SS or tubes?
  96. Got a Yamaha AX-500U for $25.00
  97. 250W Simple Power Amp Project ??
  98. old school amplifier Pioneer GM4200 SQ
  99. Carver PM1.5 problem
  100. Simple amp circuit obsevations
  101. Some questions about Yamaha R-S700 receiver
  102. New home brew amp module
  103. ezDAC Site Back Up
  104. Use a Pioneer A400 as a Power Amplifier
  105. JLH Class A headphone amp from eBay...setting bias/output help needed
  106. Creek 4330R Integrated Amp
  107. NAD 705 strange behaviour, intermittent fault?
  108. 47 Labs 0347 amplifier
  109. Mc2505
  110. Manual Service mc2505 seral AT
  111. 2 Channel SS is Awesome!!
  112. Sony TA-VE700 schematic
  113. Another Extrema 100watt class A power amplifier
  114. Hum on Avondale NCC200 derivative amp
  115. PLENTY OF IXTK 62N25 mega mosfets
  116. Hafler DH-220 one channel out, no bias
  117. Doz Output capacitor
  118. NAD T762
  119. Need Help. Woofer gets pushed out and hum when I turn on amp
  120. Citation Twelve Deluxe Repair
  121. The YAPA150 - Yet Another Power Amplifier
  122. Replacement motorized volume control
  123. 1500 watts ab class 2 ohms
  124. LM4562 Oscillation
  125. Supercapacitors as power source ?
  126. No sound > crank the gain > sound pops on and works fine. What causes this??
  127. ultimate Fidility amp with new VAS.(breaking barriers <10ma Standby current)
  128. need help - modded amp blowing fuses
  129. Ultimate Classb amp New VAS
  130. Coupling capacitors
  131. Bias Current Class AB Amplifier - More Always Better?
  132. What would be proper way to split signal from pre-amp into 3 amplifiers?
  133. Amplifier Trial Design with 18V to 35V Supply
  134. ADCOM GTP-500 Help (please?)
  135. Thomann t amp S-150
  136. Tekko builds OnAudio's SYMEF Amplifier
  137. pc set up, need help with a 2.1 set up.
  138. Mc Intosh 2105
  139. Exicon double die MOSFET
  140. denon avr-1906 thump problem (weird)
  141. What kind of feedback do you call this?
  142. leak stereo 30 plus caps
  143. MJL21193-94 Amplifier Design Suggestion
  144. Phonic MAR 1
  145. 120W amplifier
  146. Weak Phono on HK690i
  147. Bipolar Power Amp With Single Ended Input Stage Inpired by Mooly
  148. Build 31 band equalizer use TL072 OPAMP
  149. CS-800C
  150. Denon DR220 Cassette Deck Schematic
  151. Anyone install Hafler DH-500 upgrade kits sold on eBay?
  152. F_V FET Power Amplifier With Single Ended Input Stage
  153. Voltage regualtor help please
  154. Beefing up an NVA AP10P Amp
  155. Sanken S-40W bias problem/getting hot, any ideas?
  156. JVC VN700 power off problem
  157. balanced class A fet amplifier
  158. Biasing output transistors with constant base CURRENT
  159. The Luxman R-1050 is in protection mode after a lightening storm
  160. BGW 203 preamp
  161. It's not worth fixing...I hate that
  162. Testing output transistors.
  163. DIY Max Power Low Cost Amplifier Design
  164. Biasing MOSFET amplifier
  165. ESP P3A Layout
  166. SS Amp with tube preamp as final project for my my university
  167. Repair of Denon 2308/888 receiver. Board level
  168. Good amplifier
  169. Electret Bias
  170. How does BTL double the voltage swing?
  171. Replacement for 2SK372 N-ch fet?
  172. How to implement a conceptual output stage. (New Class?)
  173. Germanium preamp
  174. Gateway to professional quality: headphone amplifiers
  175. CLASS A MOSFET OUTPUT STAGE
  176. my new studio amp
  177. output relay for power amp
  178. help on ppi 2400 amplifier
  179. NAD312 Problem
  180. BALDWIN GERMANIUM AMPLIFIER
  181. Help with amp bias adjustment please!
  182. Removing the RCA sockets Capacitors, yes or no?
  183. Technics su-g91 clone
  184. Alternative Power for amps
  185. Schematic for Marantz PM55-SE
  186. Meridian M2 active speakers 'hiss'
  187. old units, new caps
  188. Large DC offset
  189. Threshold s150 amp need parts
  190. Quad 303 output capacitors
  191. Pioneer A400 Power supply Caps
  192. Quick guide on Grounding
  193. Schematics for Nytech CP112
  194. Death by Integrated
  195. Rotel RB-870 blowing rail fuses
  196. Help with push pull opamps
  197. F5c Transformer
  198. JVC 4vn-990 is it worth buying?
  199. Advice on replacing transistors in a Rotel
  200. Threshold T800 schematics?
  201. diyAB Amp The "Honey Badger" build thread
  202. Kenwood model 600 bias problem
  203. PNP Amp?
  204. Current Mirror emitter resistors smoking
  205. Potentiometer swap out help
  206. Hafler DH-200 Dead Channel
  207. [tip] Quad 303 trouble
  208. LM837 oscillations
  209. Leach Amp (LS R & D) Chassis and Power Supply
  210. Musical fidelity A1-X
  211. Problems with Kenwood L-07M power amp.
  212. SymiFet A 100% symmetrical mosfet amp
  213. Need Help fixing chip amp
  214. technics su g91 mystery connection
  215. Please suggest a high rail voltage (160V) amplifier
  216. amplifier problem
  217. Stability of a JFET cascoded by another JFET
  218. Protection mode of CA Azur 540A V2
  219. Karan ka180 opamp help
  220. is SuperA same as class A?
  221. adcom gfa-555 repair help sought-va local expert?
  222. Sony STR-6550 Problems
  223. Theoreticly perfect amplifier
  224. Luxman m4000 transistors
  225. Load and device protection
  226. jfet preamp - does a jfet exist that'll work at just 5V supply?
  227. Simple 100W power amp
  228. Still good to use ?
  229. Help with basic amp design
  230. Cyrus One Bias Issue
  231. Mystery MOSFET mono amplifiers with 2SK135 and 2SJ50 - a little help?
  232. stk-4151v test.
  233. Bulbs for Sont TA 1120
  234. Stee's Adventures in Hi-End Wonderland
  235. C.E.C AMP71 problem
  236. Korn & Macway KM 50 Amplifier
  237. Hiraga 30 watts class A amp
  238. LTspice / newbie question
  239. Another Parasound HCA-2200ii owner checking in
  240. Help me understand solid state pre amp
  241. Beginner question current draw
  242. Required guidance in choice
  243. Krell KSA80 crackle and pop sound
  244. Parasound Halo A23 "triangle" noise
  245. PRIMARE 202
  246. Pioneer vsx1020 turns on and off 50 times before staying on.
  247. Decoupling supply
  248. Amplifier close to PC = no go ?!
  249. Building INA103 Mic pre
  250. Amplifier input query

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