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  1. Is my power amp about to go bang?
  2. How close can I mount air-core output inductors
  3. receiver as pre-amp?
  4. "The Black Box" instrumentation preamplifier
  5. Amp output low on one channel
  6. Exploration of Class A build on a budget
  7. Yamaha RX-730 display
  8. KRELL KBL need HELP !!
  9. Need help with old Sony Sub and Polk Monitor 40s...
  10. 2SC2229 and 2SA733 replacment/substitute
  11. Tech assist - TFM-15 right channel clipping
  12. Realistic STA 960
  13. OT for Hybrid Headphone Amp question.
  14. Seeking input on my amplifier design
  15. Collector impedance
  16. Optimal Vbe Multiplier Position in EF stage
  17. Kenwood KR7400 Dial Pointer
  18. are both these bridge recitfier ground loop breakers the same?
  19. Marantz 2325 Erratic dc offset
  20. Original Cambridge Audio A1 drivers
  21. Intermittent problem with Carver TFM-35, need help
  22. Question for Mr Curl re A21.
  23. Fully complementary AD797?
  24. Bryston 3BIII SPICE Simulation - Current Sharing and Output Stage
  25. Cyrus-III restauration project
  26. Preamp with 2SD667/2SB647
  27. Technics SA-300, blown output
  28. Build NAC 42 single end preamp
  29. Conrad Johnsen mf2500 problem
  30. What's the problem with DC offset?
  31. PSL Vp 2030 Amplifier, help needed
  32. Jean Hiraga Super Class A 30w Build.
  33. Old school V-FET amplifiers
  34. weird distortion
  35. Classe Fifteen transistors
  36. Technics SU-8080 power supply capacitors
  37. Polarity setup
  38. CFP Amplifier - Help Please!
  39. Transistor replacements Marantz/Denon
  40. dB Technologies FL15
  41. Jands sr3000 amplifier restoration
  42. DIYaudiostore softstart/speaker protection boards
  43. Proline 3000 / Apex 2000 original double side PCB's for sale
  44. Silent Sansui G5700. Possible fix/ uppgrade?
  45. Folded cascode as A1381 C3503 discontinued
  46. Amp problem with Yamaha NS200 speakers
  47. Advise needed. What is this
  48. Dual DC KSA100 ebay improvement help
  49. Which company is this?
  50. JVC AX 9 amplifier
  51. Rotel RB-985 MKII 5 channel home cinema amp -- LOUD popping high pitched noises
  52. Adcom GFA-555 II with a bad channel
  53. Please help improve Self's Blameless 50W amp
  54. Preventing Hum/Noise in Amplifiers
  55. Help with amp
  56. Sony HP-511a
  57. Difference b/w transistor 2N3055HV-3 and 2N3055HV-4
  58. TPA3116D2 2.1 passive sub-woofer?
  59. My first copy & paste
  60. Circlotron Amp - Output Stage Regulation
  61. fuse blows after one short to chasis
  62. Thermal compensation for super complementary output stage?
  63. Using mu-metal foils or sheets to shield DC-DC supplies, or linear PS swap? supplies
  64. McIntosh MA 6100 output stage temperature
  65. DC offset in Fisher CA-78
  66. Please help
  67. The better amp to power compression drivers?
  68. Dynaco SCA-80Q cap issue
  69. denon pma 520 will it work with these ?
  70. 2SK209 , 2SK3320 TOSHIBA Field Effect Transistor Audio Frequency Low Noise Amplifier
  71. 2SJ161/2SK1057
  72. where have I seen this?
  73. extreme hi-end hybrid / Audiodesignguide
  74. A question on DC p.s. voltage
  75. McIntosh C32 preamp restoration
  76. What Class A amplifier, 10-20 watts for fullrange speakers.
  77. Low threshold/ logic level MOSFET Complementary Pair
  78. ATI Amplifier Schematic
  79. metal oxide or metal film?
  80. Help fixing NAD C350 - weak low frequency (no bass)
  81. The-simpliest and lowest distortion discrete op-amp
  82. 30 pairs MOSFET OPS things to consider
  83. class H amplifier Step transistor dissipation ratio
  84. Luxman r115 phono plays quiet then all of a sudden loud and clear
  85. Solid state with no NFb
  86. Tech question, passive/power amplifiers gain sensitivity
  87. Looking For A Good Low Power Low Distortion IC Amplifier .5W to 1.5W ?
  88. ROTEL RA-820AX peculiar fault
  89. The-best EF output stage
  90. Vbe-monitoring amplifier concept
  91. AKAI AA-1030 - 2SD428 / 2SB558
  92. Marantz 1122DC no pre amp output, power amp in okish
  93. Transformer for a VAS stage ?
  94. Arcam Delta 290P keeps blowing fuse
  95. JRC released the brand-new MUSES03 OPamp!
  96. Best 1-3W Amp for sensitive speakers?
  97. Modifing a Crestron 16x60 amp to make it bridgeable
  98. 5200 Watt High Power MOSFET Amplifier
  99. Bedini amp repair advice
  100. I got the harmonic pattern I wanted
  101. Switching between bootstrap and CCS with a trimmer
  102. Unique Output Stage
  103. Bose 901 EQ Re-Build
  104. Hitachi HCA 7500 mkII
  105. Current-Source-Driven-power-transistors-and-mitigating-cross-conduction-distortion
  106. Advice for Citation 16 Rebuild
  107. NAD 310 right channel gone
  108. Pioneer SA-508 Very slow start
  109. Automatic Level Control (ALC) drive circuit in Marconi TF2015 generator
  110. Problem with my Yamaha P2200 Amplifier
  111. Class AB amp using TIP102. Seeking Critique
  112. 5W, 6 transistors
  113. Assist with Cambridge P50 Mains Changeover
  114. DIY Class AB SS Amplifiers Top List
  115. Vintage amps with rca type speaker plug in polarity
  116. protection mode takes days to clear?
  117. Cambridge Audio mystery amp, the P70X
  118. Cambridge Audio mystery amp, the P70X
  119. Mark Levinson 23.5 Power amp
  120. LTP works better with more current in the right collector
  121. Created another crummy crude simple audio amplifier
  122. Mark Levinson ML-9 protection circuit problem
  123. Single transistor Op-Amp circuit
  124. Help troubleshooting Sony SQR-8750
  125. Can I modify my amp for more current?
  126. Rotel RB 991 only one channel working.
  127. Is my amp overheating?
  128. Quad 405 clone problem
  129. Advice on upgrading a Denon PMA-1080R
  130. My first Adcom amp... (gushing;)
  131. Thermostat replacement on NAD 2150?
  132. Class H Amps Output 5000W @4ohms
  133. Question about class B output stages
  134. Tweeter and Midrange Class A Amps for a 4 way active system
  135. seen this before ?
  136. Rega Brio redux?
  137. Marantz PM6100SA
  138. DynaHi on modern parts
  139. Adcom GFA-555 mismatched input PCB
  140. List of capacitators Mark Levinson 23.5
  141. Onix OA21 (E) Burnt out resistors
  142. Technics SA-GX303 relay clicking
  143. Just another "recapping headache" thread
  144. Amp blows mains fuses, transformer is fine.
  145. Service Manual For Nakamichi Amplifier 2 (0Q06142A)
  146. Audiolab 8000M gone dead
  147. Galactron Italian Hi End Amplifier circa 1975 Tear-Down
  148. SYMASYM TO3 x 3 Canadian Bacon
  149. Darlington Amp
  150. 6 x 200W amp build thread
  151. Trying to repair a Luxman LV-103u
  152. p channel complimentary to irfp044
  153. Sony amps - "G" version
  154. What does this circuit do?
  155. Adcom GFA5500 idle power consumption
  156. Silencing the noise floor of an older amplifier
  157. Meridian 103 clone
  158. current limiting diodes in old Sony's amps
  159. Rotel -1052
  160. Sony TA-4650 VFET adventures
  161. AKAI AA-920 // Stereo lamp problem
  162. Classe CA-300
  163. Simple class AB quiscent current problem
  164. Extension speaker outputs
  165. Honey Badger bias investigations
  166. Can you identify this part ?
  167. PGA 2311
  168. Rebuilding power amp. Questions about resistor types. Fail safe and others
  169. Just a question about why higher distortion.
  170. MC2100 PAIR - "SLIGHT" hum - Solution?
  171. Adcom GFA 5500 continues to play after powering down
  172. Current vs. Voltage Control
  173. Amp Design consideration for CE mark?
  174. B&K M200 fuse
  175. NAD C370 partial power up
  176. Technics SU-G91 blown resistors
  177. Heatsink as implicit sensor for temperature monitoring
  178. Capacitors for an Old Bryston 3B Amp
  179. Custom case for old HiFi amp
  180. Discrete TAA761A opamp - 2N3055 quasi compl. amplifier - 50W@4R
  181. transistors biasing for YBA intégré Delta DT
  182. arcam avr600 power board
  183. Schematic question
  184. Turntable retrofit
  185. Neve 31102 low output
  186. B & W sound bar blowing external fuse.
  187. dbx mpa-150
  188. old Pioneer will only play music in direct mode
  189. Super Leach amp simulation woes
  190. Need some help :D
  191. Sony TA-AV480 Channel fade fault tracing
  192. Need something to beat LM3875
  193. 200W Class A amp with high efficency
  194. Sony ta-f411r bias current adjustment
  195. Goldmund Wiki and build 2017
  196. No/little rear sound from Sony 5.1 - Help!!
  197. NAD C370 not protection issue
  198. Symasym5 (Transformer specifications)
  199. Bash Amp Bias Adjustment
  200. Another amplifier protection
  201. What is the source of this noise?
  202. Fast, Complementary BJT for low volts, recommendation?
  203. Will this amplifier be able to replace my home audio stereo player?
  204. Replace DC/DC Converter in Car Amp for use in Home
  205. Denon avr-x1200w thermal protection on startup?
  206. Rotel RA930AX
  207. Help required, amplifier background hiss
  208. Amplifier level adjustment
  209. PG xenon left negatives are out
  210. Bose 1800 IV manual
  211. pioneer vsa-eo6 (irf540/ 9540)
  212. Noob Seeking Help on Building Amplifier
  213. Another Op amp based amp
  214. Cree for Motorola MOSFET??
  215. TGM11 - inspired by Steven Dunlap 'KRILL'
  216. Junks or unsung heroes?
  217. Yamaha RX-V563 newbie question
  218. Sony TA-1130 pre-amp noise! Fet related?
  219. Help!
  220. Newb post - NAD 3020 in need of repair
  221. KRELL KSA-50 SPICE Simulation
  222. Electrocompaniet Preampliwire IIA
  223. Which type of capacitor should I use?
  224. Vintage Sony amp acquired and working...what's next?
  225. MF Preamp 8 (A1000) Mosfet Mods?
  226. Computer signal > potentiometer and 2 car amplifiers.
  227. Nakamichi 630 Tone control-HELP
  228. Having a slight issue with my class AB output stage
  229. Crown DC300AII Resurrection
  230. Mcintosh c27 preamp issue
  231. Help crown202 into beyma 12ga50 mono ?
  232. Help needed upgrading op-amps Denon POA-4400
  233. Leach amp - need help finding source of fault
  234. Recapping Dynaco ST400
  235. Best sound 12v Audio ic !?
  236. Adcom GFA-7500 Amp Module Removal
  237. full wave rectifier for jlh?
  238. balance control for class a amp.
  239. Help - Quad 306 Right Channel Low Level Buzz
  240. yamaha amp no powe switching on then off
  241. Will adding HPF at line level help with the clipping or increase it?
  242. Discrete JFET "passive" R2R attenuator
  243. Luxman r115 remote. Transmits signal but receiver does not react
  244. is my amp dead
  245. CAT A-803 getting hot
  246. My amp revisited
  247. Humming sound coming out of home stereo system instead of music what is causing this
  248. Hissing choke, what to do?
  249. Watt ratings on amps. High current vs low current
  250. What or why is the "A/C" connection on this power amp?

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