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View Full Version : Solid State


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  1. Sanyo STK 404-140
  2. Cyrus 1 Output Transistors
  3. The Fisher 202 - hum problem
  4. Removing Balance & Panorama from Crown IC 150a Preamp
  5. How Can I design a OCL AMP?
  6. What the Cap!!!!?
  7. Need help reviewing a design and layout.
  8. Beginner Solid State Amp (and speakers)
  9. Interference from output coils?
  10. Linear design sa-8200 rambler model stopped working
  11. Revox B-780 Help
  12. Quasi AB driver A
  13. PSU and amp in separate encolsures
  14. FED16BT replacment
  15. Audio Power supply
  16. *Wanted* Cerwin Vega CVA28 service manual
  17. Marantz 2225 Voltage Adjustment Issue
  18. New design 135W 8, 270W 4
  19. Turntable DC Supply 24V Very Complex/Strange
  20. PCB Sanyo
  21. Electrocompaniet AW-100 troubleshooting (right channel intermittent soft popping)
  22. Sony TAN-5550 ancient VFet amp, can I just turn it on?
  23. Blown amp section on NAD 7020 - What to check now?
  24. Really weird problem with volume control
  25. TO-3 power transistor orientation
  26. The Amplifier of 100 Transistors - Blameless using small signal devices as outputs!
  27. Marantz model 240 transistors
  28. Derating, am I missing something?
  29. Alpine 3539 faulty? (DC between RCA shield and supply ground)
  30. yamaha b1 where are 2sk77?
  31. STK42334MK5 diy amp Relay problem
  32. IC + FET redesign
  33. AudioSource AMP300 Troubleshooting
  34. Audio Research D-350 Power Meter Window
  35. Sony TA-F707es - Noise/hiss on on one channel
  36. Possible design issue in early MF B1 amp?
  37. Problem with preamp design
  38. DAC to PWR amp almost blown speakers
  39. Pioneer VSX-519V
  40. Lamp holders - can this type still be obtained?
  41. Does output volume differ btw diff. Opamps?
  42. astable
  43. Transistor replacement
  44. Seas Bragi kit amplifier
  45. Sony TA-N77ES Amplifier replacement parts 2SK244
  46. choices, choices !!!
  47. Need help to double check power supply.
  48. Variable start - up
  49. Phase Linear 400 & 4000 died while in storage
  50. Borbely MILLENNIUM-200
  51. Sausui 9090 Bias issue
  52. A Directory of Apex Audio Amplifiers
  53. Digital potentiometer and a 3 digit display
  54. Help Adding a Current Mirror to a Diff Pair Res Calc
  55. Electrocompaniet AW 250 DMB-R bias
  56. caps for quad 405 amp
  57. Technics SE-A5 Static/Sound in Right Channel
  58. cheapest per watt amplifier design
  59. Sound card FFT chart on a blameless amplifier
  60. Do smaller and paralleled caps sound better as output caps
  61. Mcintosh....ma1700
  62. LME49830
  63. K176 vs. K216
  64. Can I connect a seperate pre/pro to my Onkyo TX-sr805?
  65. antibump
  66. Regarding a Toshiba SY335 preamp
  67. 1/4in shaft and 6mm knob fit question?
  68. Sansui 5000A hum
  69. Two-Stage Push-Pull MOSFET Class-A Amp
  70. schematic for LM3886
  71. Sony STR-DH740 no sound output (possibly transformer)
  72. Capacitance 2x8000 = 10000+6800
  73. Variable Resistor V Semi-Fixed
  74. Volume-Potentiometer replacement rule?
  75. JVC rx8010vbk amp cuts right back off
  76. Superphon Revelation Basic
  77. More lfet questions
  78. Marantz pm7200 Breaking left channel
  79. Help identify name of this connector.
  80. Which way is best for power supply?
  81. Suggestions schematic for a new amp project
  82. NAD 3220PE Project
  83. Mark Levinson ML-9 amp help needed
  84. To buffer or not to buffer that is the question.
  85. Adcom GFA-555 mods
  86. allfet circlotron
  87. PNP LTP vs NPN LTP
  88. Troubleshooting amp repair
  89. Arcam CDS27 vs Marantz SA8005
  90. JBL MPX 600
  91. No DC Offset Adjustment Pots.
  92. Found this board dumped
  93. Class A BJT Powering on question. Will this send a jolt to my power amp?
  94. Need tips for recapping Sansui 9090
  95. Elusive noise on left channel
  96. OpAmpAmp for sub
  97. Monarch / Neckermann 1960s first generation solid state receiver recap
  98. Aragon 24k price
  99. Adcom GFA-555 II South Africa
  100. Marantz MA700 help
  101. Searching for service manual of Hafler 945
  102. Krell KSA-200B Bias
  103. Blast from the past - Kenwood KA-80
  104. Conrad Johnson PV10A--Classe CA 100
  105. A three transistor compound pair?
  106. Need some pointers with finishing touches on mosfet amp repair
  107. pioneer sx-6000 - need to know power supply board voltage values
  108. Transistor gain matching
  109. JFET differential pair trans. choice
  110. Can i replace 2SB755 / 2SD845 Toshibas for 2SA1494 / 2SC3858 Sanken ?
  111. Audio Nirvana,Nap 140 clones.
  112. Parasound A21 problem
  113. bridge rectifier question
  114. buzz from amp when connected to speaker
  115. Aragon 8008BB Voltage Conversion
  116. Sansui AU-6600 Bias
  117. Measured data on the J105 Nchannel JFET
  118. SE Amp operation question
  119. Aiwa C30 recap and OP amps
  120. Explanation of Class A
  121. Speaker protection 12v amp
  122. NAD C 165BEE
  123. Hafler 9505 hum/buzz noise
  124. LM334 makes quite a nice 5.5 mA current source, works down to 2.0-2.2 volts
  125. HELP! Higher Fidelity Industries HF-138 shematic
  126. no mention of active loads in Bob Cordell's book
  127. Servo controlled Op Amp board on Ebay
  128. Harman Kardon receiver
  129. McCormack DNA 0.5 Re Cap
  130. Sony TA-3600 BI-AMP Very Low Volume
  131. noisy marantz 1050
  132. Designing 200w Amplifier. Oscillations or something else? need help please.
  133. How do I make a speaker crossover to only hear range of human voice?
  134. Concept: Bridged amplifier with dc bias on the output
  135. Cambridge audio P50 bias adjustment
  136. Krell FPB catastrophic protection conditions?
  137. 50 solid ..years
  138. Yamaha M65 Bias adjustment
  139. Can I build an amp to do it all?
  140. Pioneer SX-1000TW Repair
  141. Sony 2.0 receiver "protect" mode test/repair
  142. question about the jlh amplifier and the capacitance multiplier power supply
  143. Maximum power output of a single pair of MT-200 vs TO-264
  144. Dissipante 5u UMS heatsinks
  145. Output stage power
  146. 4 channel amplifier build
  147. replacing a driver
  148. A rare find.
  149. Class A to class AB transition power rating
  150. Volume control for Naim 140 kit?
  151. Understanding Transistor amplifier with an online simulation
  152. New GFA-565 circuit boards!
  153. Yamaha A700 repair attempt
  154. Amp advice
  155. Build low power Transistor Amplifier
  156. Capacitor Array on Power and Ground planes How to Avoid Resonance?
  157. Getting 2sk1058/2sj162 and current output
  158. Several schemes
  159. HPF/LPF/BP etc via All Pass
  160. Technics amplifer thermal compound okay for power IC
  161. Input impedance of Rotel RB-981
  162. Yamaha c70 Part ID
  163. Overly bright set up: audiolab 8000a with mission 751
  164. preventative maintenance for Adcom GFA-555 ?
  165. Speakon Connectors for Hi-Fi
  166. Nelson Jones 10W
  167. 8-channel amplifier
  168. LTSPICE was wrong: MOSFET transconductance "gm" is NOT higher than bipolar gm
  169. NAD 302
  170. P3A Problems!
  171. Vintage Sansui restoration
  172. Sansui AU-11000 output emitter short.
  173. Arcus Finest Class Amp 200
  174. Audio Concepts AC5000 Amplifier
  175. Is selector switch close to inputs really necessary?
  176. Help for Sansui Au -222 toggle switch wiring
  177. Bias voltage for Class A/B output and output transistor choices
  178. How 2 Repair M&K V2b subwoofer crossover & swap speaker jacks
  179. Hafler DH-500 overheating
  180. AN7062
  181. transistors Marantz 1122 dc
  182. Dual preamplifier Type 2683 Lemo connector circuit diagram and colour coding
  183. Dynaco PAT-5: channel imbalance and dead headphone jack?
  184. Just another simple hybrid
  185. Toshiba SC335 power supply capacitors
  186. 300 watts RMS out of 2 mosfets ?
  187. current biased collector
  188. Technics SU-G50 fan starts upon start up, volume motorised crazy
  189. TO220/D2PAK Lateral MOSFETs
  190. Cyrus 2 crackling sound help.
  191. Did I just toast my Hafler XL-280? Need help/advice!
  192. hepl me please, need fast help
  193. Yamaha's new floating and balanced power amplifier
  194. High Speed Output Stage Design
  195. Accuphase E-204 amplifier - restoration help needed!
  196. Need help reading an amplifier schematic
  197. NAD Power Supply Question
  198. ECX10N20 choke loaded source follower ?
  199. 8/16W TIP3055 class A for POWER WASTING
  200. Kenwood L-07m upgrades?
  201. Onkyo TX-NR616 7.1 analog input help
  202. 6 channel DIY amp help
  203. Help lowering line voltage to imput voltage.
  204. Class A sinking too much current
  205. NAD7155 volume/balance pot replacement
  206. Effect of Weak Mains Power
  207. high voltage SiC FETs-650V 1200V for amps?
  208. Increasing/creeping DC voltage Dynaco ST120
  209. HH s500d dc problem
  210. Anyone help with a Yamaha A-320 service manual?
  211. IC Cable termination
  212. Very basic question about volume controls
  213. Carver AV-705x Manuals
  214. Help with studio 350 offset voltage adjustment
  215. Harman kardon pop sound issue?
  216. Audire Forte output transistors and DC offset
  217. Old transistors in NEW production (including Germanium types)
  218. An (almost) Automatic Rbb Extractor: the Black Knight
  219. welcome to Class ABi
  220. Finding the reason for PROTECT MODE in my Marantz SR4500
  221. Onix OA21 Carbon resistor?
  222. Restoring Rotel RA-810A
  223. Hafler Transnova 9505 Amp switch issue
  224. GainWire mk4 fully balanced line amp
  225. 2SB737SQ/2SD786SQ (ROHM)required
  226. Need help with LTSpice Fet stage
  227. Good transistor amp
  228. A cascomp (ultra-linearized) circuit with JFET's
  229. VAS - Symmetric push-pull vs Single-ended + CCS
  230. Wandering bias on an amp.
  231. Case choice to work with fan?
  232. Making a short cable for the Audire Forte
  233. Hybrid power DUO
  234. How to match depletion mode mosfets
  235. Complementary transistor pair question
  236. Would like to add subwoofer out to Gainclone
  237. The Kiwanuka article in Linear Audio 11: Douglas Self
  238. Texan Rebuild
  239. Latest project, amplifier power meter.
  240. Newbie amp wiring help
  241. Breadboard, high-impedance and a LOT of noise.
  242. Important parameters LTP transistor matching
  243. Silicon Chip ULD Amp Mk4
  244. Advice building a "blameless" inspired power amp
  245. Inrush current tripping circuit breaker
  246. Simple discrete Sziklai pre
  247. Hafler D-550 QN113 FET sub
  248. build power amplifier class ab
  249. krell KMA 200 amp
  250. IRF530/9530 Amplifier (simulated in Multisim and TINA)

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